Group tests and benchmarks with the corresponding source code.

32 files changed, 1836 insertions, 0 deletions

diff --git a/dimension/Makefile.am b/dimension/Makefile.am
index 4eaf64a..72aaad9 100644
--- a/dimension/Makefile.am
+++ b/dimension/Makefile.am
@@ -17,6 +17,9 @@
 ## along with this program.  If not, see <http://www.gnu.org/licenses/>. ##
 ###########################################################################
 
+SUBDIRS = bench                                                                \
+          tests
+
 # Make dmnsn_error() backtraces useful
 AM_LDFLAGS = -rdynamic
 
@@ -78,3 +81,8 @@ dimension_SOURCES = directives.y                                               \
                     y.tab.h
 dimension_LDADD   = $(top_builddir)/libdimension/libdimension.la
 dimension_LDFLAGS = $(AM_LDFLAGS)
+
+bench: all-recursive
+	cd bench && $(MAKE) $(AM_MAKEFLAGS) bench
+
+.PHONY: bench
diff --git a/dimension/bench/Makefile.am b/dimension/bench/Makefile.am
new file mode 100644
index 0000000..e7fe03f
--- /dev/null
+++ b/dimension/bench/Makefile.am
@@ -0,0 +1,35 @@
+###########################################################################
+## Copyright (C) 2009-2010 Tavian Barnes <tavianator@tavianator.com>     ##
+##                                                                       ##
+## This file is part of The Dimension Build Suite.                       ##
+##                                                                       ##
+## The Dimension Build Suite is free software; you can redistribute it   ##
+## and/or modify it under the terms of the GNU General Public License as ##
+## published by the Free Software Foundation; either version 3 of the    ##
+## License, or (at your option) any later version.                       ##
+##                                                                       ##
+## The Dimension Build Suite is distributed in the hope that it will be  ##
+## useful, but WITHOUT ANY WARRANTY; without even the implied warranty   ##
+## of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU  ##
+## General Public License for more details.                              ##
+##                                                                       ##
+## You should have received a copy of the GNU General Public License     ##
+## along with this program.  If not, see <http://www.gnu.org/licenses/>. ##
+###########################################################################
+
+ENVIRONMENT = top_builddir=$(top_builddir)
+
+bench: tokenize.sh parse.sh render.sh
+	$(ENVIRONMENT) ./tokenize.sh
+	$(ENVIRONMENT) ./parse.sh
+	$(ENVIRONMENT) ./render.sh
+
+.sh:
+	cp $(srcdir)/$@ .
+
+clean-local:
+	rm -f *.png
+
+EXTRA_DIST = bench.pov
+
+.PHONY: bench
diff --git a/dimension/bench/bench.pov b/dimension/bench/bench.pov
new file mode 100644
index 0000000..a4f632f
--- /dev/null
+++ b/dimension/bench/bench.pov
@@ -0,0 +1,118 @@
+/*************************************************************************
+ * Copyright (C) 2009-2010 Tavian Barnes <tavianator@tavianator.com>     *
+ *                                                                       *
+ * This file is part of The Dimension Benchmark Suite.                   *
+ *                                                                       *
+ * The Dimension Benchmark Suite is free software; you can redistribute  *
+ * it and/or modify it under the terms of the GNU General Public License *
+ * as published by the Free Software Foundation; either version 3 of the *
+ * License, or (at your option) any later version.                       *
+ *                                                                       *
+ * The Dimension Benchmark Suite is distributed in the hope that it will *
+ * be useful, but WITHOUT ANY WARRANTY; without even the implied         *
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See *
+ * the GNU General Public License for more details.                      *
+ *                                                                       *
+ * You should have received a copy of the GNU General Public License     *
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>. *
+ *************************************************************************/
+
+camera {
+  location  <3.0, 6.0, -11.0>
+  right     x*image_width/image_height
+  look_at   0
+}
+
+background {
+  color rgb 1
+}
+
+// inside center sphere
+light_source {
+  0,
+  color rgb 1
+}
+
+light_source {
+  2*y,
+  color rgb 1
+}
+
+/* plane {
+  y,
+  -1
+  // *** hollow on
+  pigment {
+    rgb <0.73, 0.90, 0.97>
+  }
+  finish {
+    diffuse 0.35
+    ambient .5
+  }
+} */
+
+#macro sph(center)
+  sphere {
+    center,
+    1
+    texture {
+      // *** crackle
+      scale 0.5
+
+      /* *** texture_map {
+        [ 0.03
+          pigment {
+            color rgb 1
+          }
+          finish {
+            ambient 1
+          }
+          normal {
+            facets size 0.1
+          }
+        ]
+        [ 0.04
+          pigment {
+            color rgbf <1, 1, 1, 0.9>
+          }
+          finish {
+            reflection { 0.2 }
+            specular 0.1
+            roughness 0.02
+            conserve_energy
+          }
+          normal {
+            facets size 0.1
+          }
+        ]
+      } *** */
+    }
+    interior {
+      ior 1.3
+    }
+  }
+#end
+
+union {
+  #declare Size = 4;
+  #declare I = -Size;
+  #while (I <= Size)
+    #declare J = -Size;
+
+    #while (J <= Size)
+      #declare K = -Size;
+
+      #while (K <= Size)
+        object {
+          sph(<2.5*I, 2.5*K, 2.5*J>)
+        }
+
+        #declare K = K + 1;
+      #end
+
+      #declare J = J + 1;
+    #end
+
+    #declare I = I + 1;
+  #end
+}
diff --git a/dimension/bench/parse.sh b/dimension/bench/parse.sh
new file mode 100755
index 0000000..b7db055
--- /dev/null
+++ b/dimension/bench/parse.sh
@@ -0,0 +1,59 @@
+#!/bin/bash
+
+#########################################################################
+# Copyright (C) 2009-2010 Tavian Barnes <tavianator@tavianator.com>     #
+#                                                                       #
+# This file is part of The Dimension Benchmark Suite.                   #
+#                                                                       #
+# The Dimension Benchmark Suite is free software; you can redistribute  #
+# it and/or modify it under the terms of the GNU General Public License #
+# as published by the Free Software Foundation; either version 3 of the #
+# License, or (at your option) any later version.                       #
+#                                                                       #
+# The Dimension Benchmark Suite is distributed in the hope that it will #
+# be useful, but WITHOUT ANY WARRANTY; without even the implied         #
+# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See #
+# the GNU General Public License for more details.                      #
+#                                                                       #
+# You should have received a copy of the GNU General Public License     #
+# along with this program.  If not, see <http://www.gnu.org/licenses/>. #
+#########################################################################
+
+for i in {1..10000}; do
+  echo '
+difference {
+  box {
+    <-1, -1, -1>, <1, 1, 1>
+
+    rotate 45*x
+
+    texture {
+      pigment {
+        color rgbft <0, 0, 1, 0.25, 0.5>
+      }
+      finish {
+        reflection { 0.5 }
+      }
+    }
+
+    interior {
+      ior 1.1
+    }
+  }
+
+  sphere {
+    <0, 0, 0>, 1.25
+
+    texture {
+      pigment {
+        color rgb <0, 1, 0>
+      }
+      finish {
+        phong 0.2
+        phong_size 40.0
+      }
+    }
+  }
+}
+'
+done | (time ${top_builddir}/dimension/dimension --parse /dev/stdin >/dev/null)
diff --git a/dimension/bench/render.sh b/dimension/bench/render.sh
new file mode 100755
index 0000000..b661e53
--- /dev/null
+++ b/dimension/bench/render.sh
@@ -0,0 +1,25 @@
+#!/bin/sh
+
+#########################################################################
+# Copyright (C) 2009-2011 Tavian Barnes <tavianator@tavianator.com>     #
+#                                                                       #
+# This file is part of The Dimension Benchmark Suite.                   #
+#                                                                       #
+# The Dimension Benchmark Suite is free software; you can redistribute  #
+# it and/or modify it under the terms of the GNU General Public License #
+# as published by the Free Software Foundation; either version 3 of the #
+# License, or (at your option) any later version.                       #
+#                                                                       #
+# The Dimension Benchmark Suite is distributed in the hope that it will #
+# be useful, but WITHOUT ANY WARRANTY; without even the implied         #
+# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See #
+# the GNU General Public License for more details.                      #
+#                                                                       #
+# You should have received a copy of the GNU General Public License     #
+# along with this program.  If not, see <http://www.gnu.org/licenses/>. #
+#########################################################################
+
+echo -e "Single-threaded"
+time ${top_builddir}/dimension/dimension -w1920 -h1080 --quality=1 --threads=1 bench.pov
+echo -e "\nMulti-threaded"
+time ${top_builddir}/dimension/dimension -w1920 -h1080 --quality=1 bench.pov
diff --git a/dimension/bench/tokenize.sh b/dimension/bench/tokenize.sh
new file mode 100755
index 0000000..1d833d5
--- /dev/null
+++ b/dimension/bench/tokenize.sh
@@ -0,0 +1,24 @@
+#!/bin/bash
+
+#########################################################################
+# Copyright (C) 2009-2010 Tavian Barnes <tavianator@tavianator.com>     #
+#                                                                       #
+# This file is part of The Dimension Benchmark Suite.                   #
+#                                                                       #
+# The Dimension Benchmark Suite is free software; you can redistribute  #
+# it and/or modify it under the terms of the GNU General Public License #
+# as published by the Free Software Foundation; either version 3 of the #
+# License, or (at your option) any later version.                       #
+#                                                                       #
+# The Dimension Benchmark Suite is distributed in the hope that it will #
+# be useful, but WITHOUT ANY WARRANTY; without even the implied         #
+# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See #
+# the GNU General Public License for more details.                      #
+#                                                                       #
+# You should have received a copy of the GNU General Public License     #
+# along with this program.  If not, see <http://www.gnu.org/licenses/>. #
+#########################################################################
+
+for i in {1..10000}; do
+  echo '{}()[]+-*/,;?:&.|=<>!<= >= != "This is a string with escape sequences: \a\b\f\n\r\t\u2123\v\\\"" 1 123456789 01234567 0x123456789 -0x01 .1 0.1 1.0 0.123456789 -0.123456789 <1, 2.2, -3.03> Undefined'
+done | (time ${top_builddir}/dimension/dimension --tokenize /dev/stdin >/dev/null)
diff --git a/dimension/tests/Makefile.am b/dimension/tests/Makefile.am
new file mode 100644
index 0000000..c54bcd4
--- /dev/null
+++ b/dimension/tests/Makefile.am
@@ -0,0 +1,55 @@
+###########################################################################
+## Copyright (C) 2009-2010 Tavian Barnes <tavianator@tavianator.com>     ##
+##                                                                       ##
+## This file is part of The Dimension Build Suite.                       ##
+##                                                                       ##
+## The Dimension Build Suite is free software; you can redistribute it   ##
+## and/or modify it under the terms of the GNU General Public License as ##
+## published by the Free Software Foundation; either version 3 of the    ##
+## License, or (at your option) any later version.                       ##
+##                                                                       ##
+## The Dimension Build Suite is distributed in the hope that it will be  ##
+## useful, but WITHOUT ANY WARRANTY; without even the implied warranty   ##
+## of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU  ##
+## General Public License for more details.                              ##
+##                                                                       ##
+## You should have received a copy of the GNU General Public License     ##
+## along with this program.  If not, see <http://www.gnu.org/licenses/>. ##
+###########################################################################
+
+INCLUDES = -I$(top_srcdir)/libdimension
+
+TESTS = punctuation.sh                                                         \
+        numeric.sh                                                             \
+        strings.sh                                                             \
+        labels.sh                                                              \
+        directives.sh                                                          \
+        arithexp.sh                                                            \
+        transformations.sh                                                     \
+        invalid-macro.sh                                                       \
+        tbuffer-overlap.sh                                                     \
+        integer-overflow.sh                                                    \
+        csg.sh                                                                 \
+        demo.sh
+TESTS_ENVIRONMENT = top_builddir=$(top_builddir) dimension_flags=--strict
+
+.sh:
+	cp $(srcdir)/$@ .
+
+EXTRA_DIST = $(TESTS)                                                          \
+             punctuation.pov                                                   \
+             numeric.pov                                                       \
+             strings.pov                                                       \
+             labels.pov                                                        \
+             directives.inc                                                    \
+             directives.pov                                                    \
+             arithexp.pov                                                      \
+             transformations.pov                                               \
+             invalid-macro.pov                                                 \
+             tbuffer-overlap.pov                                               \
+             integer-overflow.pov                                              \
+             csg.pov                                                           \
+             demo.pov
+
+clean-local:
+	rm -f *.png
diff --git a/dimension/tests/arithexp.pov b/dimension/tests/arithexp.pov
new file mode 100644
index 0000000..d38b13a
--- /dev/null
+++ b/dimension/tests/arithexp.pov
@@ -0,0 +1,218 @@
+/*************************************************************************
+ * Copyright (C) 2009-2010 Tavian Barnes <tavianator@tavianator.com>     *
+ *                                                                       *
+ * This file is part of The Dimension Test Suite.                        *
+ *                                                                       *
+ * The Dimension Test Suite is free software; you can redistribute it    *
+ * and/or modify it under the terms of the GNU General Public License as *
+ * published by the Free Software Foundation; either version 3 of the    *
+ * License, or (at your option) any later version.                       *
+ *                                                                       *
+ * The Dimension Test Suite is distributed in the hope that it will be   *
+ * useful, but WITHOUT ANY WARRANTY; without even the implied warranty   *
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU  *
+ * General Public License for more details.                              *
+ *                                                                       *
+ * You should have received a copy of the GNU General Public License     *
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>. *
+ *************************************************************************/
+
+// Test arithmetic expression handling
+
+sphere {
+  2*<<2.0 - 1.0, 3.0, 4.0>.x, (1.0 + 2)*2 - 5, 1.0 + 2*2 - 4> - -<0, 0, 1>,
+  exp(1) - (0 >= 1 ? 0 : 1*2)
+}
+
+/* Float functions */
+
+#if (abs(-1) != 1)
+  #error "abs"
+#end
+
+#if (acos(0) != 1.570796326794897)
+  #error "acos"
+#end
+
+#if (acosh(2) != 1.316957896924817)
+  #error "acosh"
+#end
+
+#if (asc("ABC") != 65)
+  #error "asc"
+#end
+
+#if (asin(1) != 1.570796326794897)
+  #error "asin"
+#end
+
+#if (asinh(2) != 1.44363547517881)
+  #error "asinh"
+#end
+
+#if (atan(1) != 0.7853981633974483)
+  #error "atan"
+#end
+
+#if (atan2(-1, -1) != -2.35619449019234)
+  #error "atan2"
+#end
+
+#if (atanh(0.5) != 0.5493061443340548)
+  #error "atanh"
+#end
+
+#if (ceil(-1.5) != -1)
+  #error "ceil"
+#end
+
+#if (cos(1.570796326794897) != 0)
+  #error "cos"
+#end
+
+#if (cosh(1.316957896924817) != 2)
+  #error "cosh"
+#end
+
+#if (degrees(1.570796326794897) != 90)
+  #error "degrees"
+#end
+
+#if (div(3,2) != 1)
+  #error "div"
+#end
+
+#if (exp(1) != 2.718281828459045)
+  #error "exp"
+#end
+
+#if (floor(-1.5) != -2)
+  #error "floor"
+#end
+
+#if (int(-1.9) != -1)
+  #error "int"
+#end
+
+#if (ln(2.718281828459045) != 1)
+  #error "ln"
+#end
+
+#if (log(1000) != 3)
+  #error "log"
+#end
+
+#if (max(-1.5, 0, 1) != 1)
+  #error "max"
+#end
+
+#if (min(-1.5, 0, 1) != -1.5)
+  #error "min"
+#end
+
+#if (mod(3.5, 2) != 1.5)
+  #error "mod"
+#end
+
+#if (pow(2, 3) != 8)
+  #error "pow"
+#end
+
+#if (radians(90) != 1.570796326794897)
+  #error "radians"
+#end
+
+#if (sin(1.570796326794897) != 1)
+  #error "sin"
+#end
+
+#if (sinh(1.44363547517881) != 2)
+  #error "sinh"
+#end
+
+#if (strcmp("asdfjkl;", "jkl;asdf") >= 0)
+  #error "strcmp"
+#end
+
+#if (strlen("asdfjkl;") != 8)
+  #error "strlen"
+#end
+
+#if (sqrt(2) != 1.414213562373095)
+  #error "sqrt"
+#end
+
+#if (tan(0.7853981633974483) != 1)
+  #error "tan"
+#end
+
+#if (tanh(0.5493061443340548) != 0.5)
+  #error "tanh"
+#end
+
+#if (val("123.45") != 123.45)
+  #error "val"
+#end
+
+#if (vaxis_rotate(<1, 0, 0>, <1, 0, 1>, 180) != <0, 0, 1>)
+  #error "vaxis_rotate"
+#end
+
+#if (vaxis_rotate(1, 1, 180) != <1, 1, 1>)
+  #error "vaxis_rotate"
+#end
+
+#if (vcross(<1, 2, 3>, <3, 2, 1>) != <-4, 8, -4>)
+  #error "vcross"
+#end
+
+#if (vcross(1, 2) != 0)
+  #error "vcross"
+#end
+
+#if (vdot(<1, 2, 3>, 2) != 12)
+  #error "vdot"
+#end
+
+#if (vdot(2, 2) != 12)
+  #error "vdot"
+#end
+
+#if (vlength(<1, 1, 1>) != 1.732050807568877)
+  #error "vlength"
+#end
+
+#if (vlength(1) != 1.732050807568877)
+  #error "vlength"
+#end
+
+#if (vnormalize(<1, 1, 1>)
+     != <0.5773502691896258, 0.5773502691896258, 0.5773502691896258>)
+  #error "vnormalize"
+#end
+
+#if (vnormalize(1) != 0.4472135954999579) // Vector promoted comparison
+  #error "vnormalize"
+#end
+
+#if (vrotate(<1, 0, 0>, <0, -90, 0>) != <0, 0, 1>)
+  #error "vrotate"
+#end
+
+#if (vrotate(1, 2) != <1, 1, 1>)
+  #error "vrotate"
+#end
+
+/* Float built-in IDs */
+
+#if (pi != 3.141592653589793)
+  #error "pi"
+#end
+
+#if (!true | !yes | !on)
+  #error "true"
+#end
+
+#if (false | no | off)
+  #error "false"
+#end
diff --git a/dimension/tests/arithexp.sh b/dimension/tests/arithexp.sh
new file mode 100755
index 0000000..e46ab04
--- /dev/null
+++ b/dimension/tests/arithexp.sh
@@ -0,0 +1,35 @@
+#!/bin/sh
+
+#########################################################################
+# Copyright (C) 2009-2011 Tavian Barnes <tavianator@tavianator.com>     #
+#                                                                       #
+# This file is part of The Dimension Test Suite.                        #
+#                                                                       #
+# The Dimension Test Suite is free software; you can redistribute it    #
+# and/or modify it under the terms of the GNU General Public License as #
+# published by the Free Software Foundation; either version 3 of the    #
+# License, or (at your option) any later version.                       #
+#                                                                       #
+# The Dimension Test Suite is distributed in the hope that it will be   #
+# useful, but WITHOUT ANY WARRANTY; without even the implied warranty   #
+# of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU  #
+# General Public License for more details.                              #
+#                                                                       #
+# You should have received a copy of the GNU General Public License     #
+# along with this program.  If not, see <http://www.gnu.org/licenses/>. #
+#########################################################################
+
+arithexp=$(${top_builddir}/dimension/dimension ${dimension_flags} --parse ${srcdir}/arithexp.pov)
+arithexp_exp="$(echo -n \
+'((object
+    (sphere
+      (vector (float 2) (float 2) (float 3) (integer 0) (integer 0))
+      (float 0.718282))
+    object-modifiers))' \
+| tr '\n' ' ' | sed -r 's/[[:space:]]+/ /g')"
+
+if [ "$arithexp" != "$arithexp_exp" ]; then
+  echo "arithexp.pov parsed as \"$arithexp\"" >&2
+  echo "           -- expected \"$arithexp_exp\"" >&2
+  exit 1
+fi
diff --git a/dimension/tests/csg.pov b/dimension/tests/csg.pov
new file mode 100644
index 0000000..357fd7b
--- /dev/null
+++ b/dimension/tests/csg.pov
@@ -0,0 +1,65 @@
+/*************************************************************************
+ * Copyright (C) 2010 Tavian Barnes <tavianator@tavianator.com>          *
+ *                                                                       *
+ * This file is part of The Dimension Test Suite.                        *
+ *                                                                       *
+ * The Dimension Test Suite is free software; you can redistribute it    *
+ * and/or modify it under the terms of the GNU General Public License as *
+ * published by the Free Software Foundation; either version 3 of the    *
+ * License, or (at your option) any later version.                       *
+ *                                                                       *
+ * The Dimension Test Suite is distributed in the hope that it will be   *
+ * useful, but WITHOUT ANY WARRANTY; without even the implied warranty   *
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU  *
+ * General Public License for more details.                              *
+ *                                                                       *
+ * You should have received a copy of the GNU General Public License     *
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>. *
+ *************************************************************************/
+
+// Test constructive solid geometry
+
+camera {
+  perspective
+  location -4*z
+  right    x*image_width/image_height
+  look_at  0
+}
+
+background {
+  color rgbf <0, 0.1, 0.2, 0.1>
+}
+
+/* One-object unions */
+
+union {
+  sphere {
+    -1.5*x, 1
+    pigment { color red 1 }
+  }
+}
+
+union {
+  light_source {
+    20*y, color rgb 0.5
+  }
+}
+
+/* CSG with lights */
+difference {
+  light_source {
+    -15*x, color rgb 0.5
+  }
+  sphere {
+    1.5*x - 20*y, 1
+    pigment { color green 1 }
+  }
+  light_source {
+    15*x, color rgb 0.5
+  }
+  box {
+    <0.7, -20.8, -0.8>, <2.3, -19.2, 0.8>
+    pigment { color blue 1 }
+  }
+  translate 20*y
+}
diff --git a/dimension/tests/csg.sh b/dimension/tests/csg.sh
new file mode 100755
index 0000000..b57389d
--- /dev/null
+++ b/dimension/tests/csg.sh
@@ -0,0 +1,94 @@
+#!/bin/sh
+
+#########################################################################
+# Copyright (C) 2010-2011 Tavian Barnes <tavianator@tavianator.com>     #
+#                                                                       #
+# This file is part of The Dimension Test Suite.                        #
+#                                                                       #
+# The Dimension Test Suite is free software; you can redistribute it    #
+# and/or modify it under the terms of the GNU General Public License as #
+# published by the Free Software Foundation; either version 3 of the    #
+# License, or (at your option) any later version.                       #
+#                                                                       #
+# The Dimension Test Suite is distributed in the hope that it will be   #
+# useful, but WITHOUT ANY WARRANTY; without even the implied warranty   #
+# of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU  #
+# General Public License for more details.                              #
+#                                                                       #
+# You should have received a copy of the GNU General Public License     #
+# along with this program.  If not, see <http://www.gnu.org/licenses/>. #
+#########################################################################
+
+csg=$(${top_builddir}/dimension/dimension ${dimension_flags} -w768 -h480 --parse ${srcdir}/csg.pov)
+csg_exp="$(echo -n \
+'((camera
+    perspective
+    (location (vector (integer 0) (integer 0) (integer -4)
+                      (integer 0) (integer 0)))
+    (right (vector (float 1.6) (integer 0) (integer 0) (integer 0) (integer 0)))
+    (look_at (vector (integer 0) (integer 0) (integer 0)
+                     (integer 0) (integer 0))))
+  (background
+    (vector (integer 0) (float 0.1) (float 0.2) (float 0.1) (integer 0)))
+  (object
+    (union
+      (object
+        (sphere
+          (vector (float -1.5) (float 0) (float 0) (float 0) (float 0))
+          (integer 1))
+        (object-modifiers
+          (pigment
+            (vector (integer 1) (integer 0) (integer 0)
+                    (integer 0) (integer 0))
+            pigment-modifiers))))
+    object-modifiers)
+  (object
+    (union
+      (light_source
+        (vector (integer 0) (integer 20) (integer 0) (integer 0) (integer 0))
+        (vector (float 0.5) (float 0.5) (float 0.5) (integer 0) (integer 0))
+        object-modifiers))
+    object-modifiers)
+  (object
+    (difference
+      (light_source
+        (vector (integer -15) (integer 0) (integer 0) (integer 0) (integer 0))
+        (vector (float 0.5) (float 0.5) (float 0.5) (integer 0) (integer 0))
+        object-modifiers)
+      (object
+        (sphere
+          (vector (float 1.5) (float -20) (float 0) (float 0) (float 0))
+          (integer 1))
+        (object-modifiers
+          (pigment
+            (vector (integer 0) (integer 1) (integer 0)
+                    (integer 0) (integer 0))
+            pigment-modifiers)))
+      (light_source
+        (vector (integer 15) (integer 0) (integer 0) (integer 0) (integer 0))
+        (vector (float 0.5) (float 0.5) (float 0.5) (integer 0) (integer 0))
+        object-modifiers)
+      (object
+        (box
+          (vector (float 0.7) (float -20.8) (float -0.8)
+                  (integer 0) (integer 0))
+          (vector (float 2.3) (float -19.2) (float 0.8)
+                  (integer 0) (integer 0)))
+        (object-modifiers
+          (pigment
+            (vector (integer 0) (integer 0) (integer 1)
+                    (integer 0) (integer 0))
+            pigment-modifiers))))
+    (object-modifiers
+      (transformation
+        (translation (vector (integer 0) (integer 20) (integer 0)
+                             (integer 0) (integer 0)))))))' \
+| tr '\n' ' ' | sed -r 's/[[:space:]]+/ /g')"
+
+if [ "$csg" != "$csg_exp" ]; then
+  echo "csg.pov parsed as \"$csg\"" >&2
+  echo "      -- expected \"$csg_exp\"" >&2
+  exit 1
+fi
+
+${top_builddir}/dimension/dimension ${dimension_flags} -w768 -h480 -o csg.png ${srcdir}/csg.pov
diff --git a/dimension/tests/demo.pov b/dimension/tests/demo.pov
new file mode 100644
index 0000000..91be9d2
--- /dev/null
+++ b/dimension/tests/demo.pov
@@ -0,0 +1,150 @@
+/*************************************************************************
+ * Copyright (C) 2009-2010 Tavian Barnes <tavianator@tavianator.com>     *
+ *                                                                       *
+ * This file is part of The Dimension Test Suite.                        *
+ *                                                                       *
+ * The Dimension Test Suite is free software; you can redistribute it    *
+ * and/or modify it under the terms of the GNU General Public License as *
+ * published by the Free Software Foundation; either version 3 of the    *
+ * License, or (at your option) any later version.                       *
+ *                                                                       *
+ * The Dimension Test Suite is distributed in the hope that it will be   *
+ * useful, but WITHOUT ANY WARRANTY; without even the implied warranty   *
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU  *
+ * General Public License for more details.                              *
+ *                                                                       *
+ * You should have received a copy of the GNU General Public License     *
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>. *
+ *************************************************************************/
+
+// Render demo scene
+
+global_settings {
+  max_trace_level 5
+  adc_bailout 1/255
+}
+
+camera {
+  perspective
+  location <0, 0.25, -4>
+  right    x*image_width/image_height
+  look_at  <0, 0, 0>
+
+  rotate   53*y
+}
+
+background {
+  color transmit 1
+}
+
+sky_sphere {
+  pigment {
+    gradient y
+    color_map {
+      [0.0   color rgb <1, 0.5, 0>]
+      [0.35  color rgbf <0, 0.1, 0.2, 0.1>]
+    }
+  }
+}
+
+light_source {
+  <-15, 20, 10>, color rgb <1, 1, 1>
+}
+
+difference {
+  box {
+    <-1, -1, -1>, <1, 1, 1>
+
+    rotate 45*x
+
+    texture {
+      pigment {
+        color rgbft <0, 0, 1, 0.25, 0.5>
+      }
+      finish {
+        reflection { 0.5 }
+      }
+    }
+
+    interior {
+      ior 1.1
+    }
+  }
+
+  sphere {
+    <0, 0, 0>, 1.25
+
+    texture {
+      pigment {
+        color rgb <0, 1, 0>
+      }
+      finish {
+        phong 0.2
+        phong_size 40.0
+      }
+    }
+  }
+}
+
+union {
+  cylinder {
+    -1.25*y, 1.25*y, 0.1
+  }
+  cone {
+    1.25*y, 0.1, 1.5*y, 0
+    open
+  }
+
+  pigment {
+    gradient y
+    color_map {
+      [0    color rgb <1, 0, 0>]
+      [1/6  color rgb <1, 0.5, 0>]
+      [2/6  color rgb <1, 1, 0>]
+      [3/6  color rgb <0, 1, 0>]
+      [4/6  color rgb <0, 0, 1>]
+      [5/6  color rgb <1, 0, 1>]
+      [1    color rgb <1, 0, 0>]
+    }
+    scale <1, 2.75, 1>
+    translate -1.25*y
+  }
+  rotate -45*x
+}
+
+union {
+  torus {
+    0.15, 0.05
+    translate -y
+  }
+  torus {
+    0.15, 0.05
+  }
+  torus {
+    0.15, 0.05
+    translate y
+  }
+
+  pigment {
+    color rgb <0, 0, 1>
+  }
+  finish {
+    ambient 1
+  }
+  rotate -45*x
+}
+
+plane {
+  y, -2
+  pigment {
+    checker
+    pigment {
+      color rgb 1
+    }
+    pigment {
+      checker color rgb 0, color rgb 1
+      scale 1/3
+    }
+    quick_color rgb <1, 0.5, 0.75>
+  }
+}
diff --git a/dimension/tests/demo.sh b/dimension/tests/demo.sh
new file mode 100755
index 0000000..233b880
--- /dev/null
+++ b/dimension/tests/demo.sh
@@ -0,0 +1,220 @@
+#!/bin/sh
+
+#########################################################################
+# Copyright (C) 2009-2011 Tavian Barnes <tavianator@tavianator.com>     #
+#                                                                       #
+# This file is part of The Dimension Test Suite.                        #
+#                                                                       #
+# The Dimension Test Suite is free software; you can redistribute it    #
+# and/or modify it under the terms of the GNU General Public License as #
+# published by the Free Software Foundation; either version 3 of the    #
+# License, or (at your option) any later version.                       #
+#                                                                       #
+# The Dimension Test Suite is distributed in the hope that it will be   #
+# useful, but WITHOUT ANY WARRANTY; without even the implied warranty   #
+# of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU  #
+# General Public License for more details.                              #
+#                                                                       #
+# You should have received a copy of the GNU General Public License     #
+# along with this program.  If not, see <http://www.gnu.org/licenses/>. #
+#########################################################################
+
+demo=$(${top_builddir}/dimension/dimension ${dimension_flags} -w768 -h480 --parse ${srcdir}/demo.pov)
+demo_exp=$(echo -n \
+'((global_settings
+    (max_trace_level (integer 5))
+    (adc_bailout (float 0.00392157)))
+  (camera
+    perspective
+    (location (vector (integer 0) (float 0.25) (integer -4)
+                      (integer 0) (integer 0)))
+    (right (vector (float 1.6) (integer 0) (integer 0) (integer 0) (integer 0)))
+    (look_at (vector (integer 0) (integer 0) (integer 0)
+                     (integer 0) (integer 0)))
+    (transformation
+      (rotation (vector (integer 0) (integer 53) (integer 0)
+                        (integer 0) (integer 0)))))
+  (background
+    (vector (integer 0) (integer 0) (integer 0) (integer 0) (integer 1)))
+  (sky_sphere
+    (pigment
+      (pattern
+        (gradient (vector (integer 0) (integer 1)
+                  (integer 0) (integer 0) (integer 0))))
+      (pigment-modifiers
+        (color_map
+          (color_map-entry
+            (float 0)
+            (vector (integer 1) (float 0.5) (integer 0)
+                    (integer 0) (integer 0)))
+          (color_map-entry
+            (float 0.35)
+            (vector (integer 0) (float 0.1) (float 0.2)
+                    (float 0.1) (integer 0)))))))
+  (light_source
+    (vector (integer -15) (integer 20) (integer 10) (integer 0) (integer 0))
+    (vector (integer 1) (integer 1) (integer 1) (integer 0) (integer 0))
+    object-modifiers)
+  (object
+    (difference
+      (object
+        (box
+          (vector (integer -1) (integer -1) (integer -1)
+                  (integer 0) (integer 0))
+          (vector (integer 1) (integer 1) (integer 1) (integer 0) (integer 0)))
+        (object-modifiers
+          (transformation
+            (rotation (vector (integer 45) (integer 0) (integer 0)
+                              (integer 0) (integer 0))))
+          (texture
+            (pigment
+              (vector (integer 0) (integer 0) (integer 1)
+                      (float 0.25) (float 0.5))
+              pigment-modifiers)
+            (finish
+              (reflection
+                (vector (float 0.5) (float 0.5) (float 0.5)
+                        (float 0.5) (float 0.5))
+                (vector (float 0.5) (float 0.5) (float 0.5)
+                        (float 0.5) (float 0.5))
+                reflection-items)))
+          (interior
+            (ior (float 1.1)))))
+      (object
+        (sphere
+          (vector (integer 0) (integer 0) (integer 0) (integer 0) (integer 0))
+          (float 1.25))
+        (object-modifiers
+          (texture
+            (pigment
+              (vector (integer 0) (integer 1) (integer 0)
+                      (integer 0) (integer 0))
+              pigment-modifiers)
+            (finish
+              (phong (float 0.2))
+              (phong_size (float 40)))))))
+      object-modifiers)
+  (object
+    (union
+      (object
+        (cylinder
+          (vector (float 0) (float -1.25) (float 0) (float 0) (float 0))
+          (vector (float 0) (float 1.25) (float 0) (float 0) (float 0))
+          (float 0.1)
+          (integer 0))
+        object-modifiers)
+      (object
+        (cone
+          (vector (float 0) (float 1.25) (float 0) (float 0) (float 0))
+          (float 0.1)
+          (vector (float 0) (float 1.5) (float 0) (float 0) (float 0))
+          (integer 0)
+          (integer 1))
+        object-modifiers))
+    (object-modifiers
+      (pigment
+        (pattern (gradient (vector (integer 0) (integer 1) (integer 0)
+                                   (integer 0) (integer 0))))
+        (pigment-modifiers
+          (color_map
+            (color_map-entry
+              (integer 0)
+              (vector (integer 1) (integer 0) (integer 0)
+                      (integer 0) (integer 0)))
+            (color_map-entry
+              (float 0.166667)
+              (vector (integer 1) (float 0.5) (integer 0)
+                      (integer 0) (integer 0)))
+            (color_map-entry
+              (float 0.333333)
+              (vector (integer 1) (integer 1) (integer 0)
+                      (integer 0) (integer 0)))
+            (color_map-entry
+              (float 0.5)
+              (vector (integer 0) (integer 1) (integer 0)
+                      (integer 0) (integer 0)))
+            (color_map-entry
+              (float 0.666667)
+              (vector (integer 0) (integer 0) (integer 1)
+                      (integer 0) (integer 0)))
+            (color_map-entry
+              (float 0.833333)
+              (vector (integer 1) (integer 0) (integer 1)
+                      (integer 0) (integer 0)))
+            (color_map-entry
+              (integer 1)
+              (vector (integer 1) (integer 0) (integer 0)
+                      (integer 0) (integer 0))))
+          (transformation
+            (scale (vector (integer 1) (float 2.75) (integer 1)
+                           (integer 0) (integer 0))))
+          (transformation
+            (translation (vector (float 0) (float -1.25) (float 0)
+                                 (float 0) (float 0))))))
+      (transformation
+        (rotation (vector (integer -45) (integer 0) (integer 0)
+                          (integer 0) (integer 0))))))
+  (object
+    (union
+      (object
+        (torus (float 0.15) (float 0.05))
+        (object-modifiers
+          (transformation
+            (translation (vector (integer 0) (integer -1) (integer 0)
+                                 (integer 0) (integer 0))))))
+      (object
+        (torus (float 0.15) (float 0.05))
+        object-modifiers)
+      (object
+        (torus (float 0.15) (float 0.05))
+        (object-modifiers
+          (transformation
+            (translation (vector (integer 0) (integer 1) (integer 0)
+                                 (integer 0) (integer 0)))))))
+    (object-modifiers
+      (pigment
+        (vector (integer 0) (integer 0) (integer 1) (integer 0) (integer 0))
+        pigment-modifiers)
+      (finish
+        (ambient
+          (vector (integer 1) (integer 1) (integer 1) (integer 1) (integer 1))))
+      (transformation
+        (rotation (vector (integer -45) (integer 0) (integer 0)
+                          (integer 0) (integer 0))))))
+  (object
+    (plane
+      (vector (integer 0) (integer 1) (integer 0) (integer 0) (integer 0))
+      (integer -2))
+    (object-modifiers
+      (pigment
+        (pattern checker)
+        (pigment-modifiers
+          (quick_color
+            (vector (integer 1) (float 0.5) (float 0.75)
+                    (integer 0) (integer 0)))
+          (pigment-list
+            (pigment
+              (vector (integer 1) (integer 1) (integer 1)
+                      (integer 0) (integer 0))
+              pigment-modifiers)
+            (pigment
+              (pattern checker)
+              (pigment-modifiers
+                (transformation
+                  (scale (vector (float 0.333333) (float 0.333333)
+                                 (float 0.333333) (float 0.333333)
+                                 (float 0.333333))))
+                (color-list
+                  (vector (integer 0) (integer 0) (integer 0)
+                          (integer 0) (integer 0))
+                  (vector (integer 1) (integer 1) (integer 1)
+                          (integer 0) (integer 0)))))))))))' \
+| tr '\n' ' ' | sed -r 's/[[:space:]]+/ /g')
+
+if [ "$demo" != "$demo_exp" ]; then
+  echo "demo.pov parsed as \"$demo\"" >&2
+  echo "       -- expected \"$demo_exp\"" >&2
+  exit 1
+fi
+
+${top_builddir}/dimension/dimension ${dimension_flags} -w768 -h480 -o demo.png ${srcdir}/demo.pov
diff --git a/dimension/tests/directives.inc b/dimension/tests/directives.inc
new file mode 100644
index 0000000..a3dadb3
--- /dev/null
+++ b/dimension/tests/directives.inc
@@ -0,0 +1,21 @@
+/*************************************************************************
+ * Copyright (C) 2010 Tavian Barnes <tavianator@tavianator.com>          *
+ *                                                                       *
+ * This file is part of The Dimension Test Suite.                        *
+ *                                                                       *
+ * The Dimension Test Suite is free software; you can redistribute it    *
+ * and/or modify it under the terms of the GNU General Public License as *
+ * published by the Free Software Foundation; either version 3 of the    *
+ * License, or (at your option) any later version.                       *
+ *                                                                       *
+ * The Dimension Test Suite is distributed in the hope that it will be   *
+ * useful, but WITHOUT ANY WARRANTY; without even the implied warranty   *
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU  *
+ * General Public License for more details.                              *
+ *                                                                       *
+ * You should have received a copy of the GNU General Public License     *
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>. *
+ *************************************************************************/
+
+#declare Center = 0;
+#local Local = -1;
diff --git a/dimension/tests/directives.pov b/dimension/tests/directives.pov
new file mode 100644
index 0000000..5c3cfa3
--- /dev/null
+++ b/dimension/tests/directives.pov
@@ -0,0 +1,92 @@
+/*************************************************************************
+ * Copyright (C) 2009-2010 Tavian Barnes <tavianator@tavianator.com>     *
+ *                                                                       *
+ * This file is part of The Dimension Test Suite.                        *
+ *                                                                       *
+ * The Dimension Test Suite is free software; you can redistribute it    *
+ * and/or modify it under the terms of the GNU General Public License as *
+ * published by the Free Software Foundation; either version 3 of the    *
+ * License, or (at your option) any later version.                       *
+ *                                                                       *
+ * The Dimension Test Suite is distributed in the hope that it will be   *
+ * useful, but WITHOUT ANY WARRANTY; without even the implied warranty   *
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU  *
+ * General Public License for more details.                              *
+ *                                                                       *
+ * You should have received a copy of the GNU General Public License     *
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>. *
+ *************************************************************************/
+
+// Test the language directives
+
+#version 3.6;
+
+#debug "debug"
+#warning "warning"
+
+#include "directives.inc"
+
+#declare R = 1;
+#local Color = rgb <1, 0, 1>;
+
+#declare Unused = -1;
+#undef Unused
+
+#ifdef (Local)
+  #error "Local escaped from include file"
+#end
+
+#ifdef (Unused)
+  #error "#undef failed"
+#end
+
+#macro Make_Sphere(n)
+  sphere {
+    Center + <0, n, 0>, R
+    pigment {
+      color Color green 1
+    }
+  }
+#end
+
+#macro Inc(n)
+  #declare n = n + 1;
+#end
+
+#declare Counter = 0;
+#while (Counter < 2)
+  #if (#if (1 = 1) 0 #end = 0 & !1)
+    #error "Nested #if parsing failed"
+  #else
+    Make_Sphere(Counter)
+  #end
+
+  Inc(Counter)
+#end
+
+// Test macro parameters with the same name as existing variables
+#declare Test1 = 0;
+#declare Test2 = 1;
+#declare Test3 = 2;
+#macro ScopeTest(Test1, Test2, Test3)
+  #declare Test1 = Test2 - Test3;
+#end
+ScopeTest(Test1, Test3, Test2)
+sphere {
+  0, Test1
+}
+
+#declare Box =
+  box {
+    <-1, -1, -1>, <1, 1, 1>
+    pigment {
+      color rgb <1, 1, 1>
+    }
+  }
+
+object {
+  Box
+  finish {
+    phong 0.2
+  }
+}
diff --git a/dimension/tests/directives.sh b/dimension/tests/directives.sh
new file mode 100755
index 0000000..9e3974a
--- /dev/null
+++ b/dimension/tests/directives.sh
@@ -0,0 +1,124 @@
+#!/bin/sh
+
+#########################################################################
+# Copyright (C) 2009-2011 Tavian Barnes <tavianator@tavianator.com>     #
+#                                                                       #
+# This file is part of The Dimension Test Suite.                        #
+#                                                                       #
+# The Dimension Test Suite is free software; you can redistribute it    #
+# and/or modify it under the terms of the GNU General Public License as #
+# published by the Free Software Foundation; either version 3 of the    #
+# License, or (at your option) any later version.                       #
+#                                                                       #
+# The Dimension Test Suite is distributed in the hope that it will be   #
+# useful, but WITHOUT ANY WARRANTY; without even the implied warranty   #
+# of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU  #
+# General Public License for more details.                              #
+#                                                                       #
+# You should have received a copy of the GNU General Public License     #
+# along with this program.  If not, see <http://www.gnu.org/licenses/>. #
+#########################################################################
+
+directives=$(${top_builddir}/dimension/dimension ${dimension_flags} --tokenize --parse ${srcdir}/directives.pov)
+directives_exp="$(echo -n \
+'(#version (float "3.6") ;
+  #debug (string "debug")
+  #warning (string "warning")
+  #include (string "directives.inc")
+  #declare (identifier "R") = (integer "1") ;
+  #local (identifier "Color") = rgb < (integer "1") , (integer "0") , (integer "1") > ;
+  #declare (identifier "Unused") = - (integer "1") ;
+  #undef (identifier "Unused")
+  #ifdef \( (identifier "Local") \)
+    #error (string "Local escaped from include file")
+  #end
+  #ifdef \( (identifier "Unused") \)
+    #error (string "#undef failed")
+  #end
+  #macro (identifier "Make_Sphere") \( (identifier "n") \)
+    sphere {
+      (identifier "Center") + < (integer "0") , (identifier "n") , (integer "0") > , (identifier "R")
+      pigment {
+        color (identifier "Color") green (integer "1")
+      }
+    }
+  #end
+  #macro (identifier "Inc") \( (identifier "n") \)
+    #declare (identifier "n") = (identifier "n") + (integer "1") ;
+  #end
+  #declare (identifier "Counter") = (integer "0") ;
+  #while \( (identifier "Counter") < (integer "2") \)
+    #if \( #if \( (integer "1") = (integer "1") \) (integer "0") #end = (integer "0") & ! (integer "1") \)
+      #error (string "Nested #if parsing failed")
+    #else
+      (identifier "Make_Sphere") \( (identifier "Counter") \)
+    #end
+    (identifier "Inc") \( (identifier "Counter") \)
+  #end
+
+  #declare (identifier "Test1") = (integer "0") ;
+  #declare (identifier "Test2") = (integer "1") ;
+  #declare (identifier "Test3") = (integer "2") ;
+  #macro (identifier "ScopeTest") \( (identifier "Test1") , (identifier "Test2") , (identifier "Test3") \)
+    #declare (identifier "Test1") = (identifier "Test2") - (identifier "Test3") ;
+  #end
+  (identifier "ScopeTest") \( (identifier "Test1") , (identifier "Test3") , (identifier "Test2") \)
+  sphere {
+    (integer "0") , (identifier "Test1")
+  }
+
+  #declare (identifier "Box") =
+    box {
+      < - (integer "1") , - (integer "1") , - (integer "1") > ,
+      < (integer "1") , (integer "1") , (integer "1") >
+      pigment {
+        color rgb < (integer "1") , (integer "1") , (integer "1") >
+      }
+    }
+
+  object {
+    (identifier "Box")
+    finish {
+      phong (float "0.2")
+    }
+  })' \
+| tr '\n' ' ' | sed -r 's/[[:space:]]+/ /g')
+$(echo -n \
+'((object
+    (sphere
+      (vector (integer 0) (integer 0) (integer 0) (integer 0) (integer 0))
+      (integer 1))
+    (object-modifiers
+      (pigment
+        (vector (integer 1) (integer 1) (integer 1) (integer 0) (integer 0))
+        pigment-modifiers)))
+  (object
+    (sphere
+      (vector (integer 0) (integer 1) (integer 0) (integer 0) (integer 0))
+      (integer 1))
+    (object-modifiers
+      (pigment
+        (vector (integer 1) (integer 1) (integer 1) (integer 0) (integer 0))
+         pigment-modifiers)))
+  (object
+    (sphere
+      (vector (integer 0) (integer 0) (integer 0) (integer 0) (integer 0))
+      (integer 1))
+    object-modifiers)
+  (object
+    (box
+      (vector (integer -1) (integer -1) (integer -1) (integer 0) (integer 0))
+      (vector (integer 1) (integer 1) (integer 1) (integer 0) (integer 0)))
+    (object-modifiers
+      (pigment
+        (vector (integer 1) (integer 1) (integer 1) (integer 0) (integer 0))
+        pigment-modifiers)
+      (finish
+         (phong (float 0.2))))))' \
+| tr '\n' ' ' | sed -r 's/[[:space:]]+/ /g')"
+
+if [ "$directives" != "$directives_exp" ]; then
+  echo "directives.pov parsed as \"$directives\"" >&2
+  echo "             -- expected \"$directives_exp\"" >&2
+  exit 1
+fi
diff --git a/dimension/tests/integer-overflow.pov b/dimension/tests/integer-overflow.pov
new file mode 100644
index 0000000..a063fab
--- /dev/null
+++ b/dimension/tests/integer-overflow.pov
@@ -0,0 +1,25 @@
+/*************************************************************************
+ * Copyright (C) 2009-2010 Tavian Barnes <tavianator@tavianator.com>     *
+ *                                                                       *
+ * This file is part of The Dimension Test Suite.                        *
+ *                                                                       *
+ * The Dimension Test Suite is free software; you can redistribute it    *
+ * and/or modify it under the terms of the GNU General Public License as *
+ * published by the Free Software Foundation; either version 3 of the    *
+ * License, or (at your option) any later version.                       *
+ *                                                                       *
+ * The Dimension Test Suite is distributed in the hope that it will be   *
+ * useful, but WITHOUT ANY WARRANTY; without even the implied warranty   *
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU  *
+ * General Public License for more details.                              *
+ *                                                                       *
+ * You should have received a copy of the GNU General Public License     *
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>. *
+ *************************************************************************/
+
+// Test integer overflow handling -- overflows should convert to floats
+
+torus {
+  10000000000000000000,
+  abs(-2147483647 - 1)*abs(-9223372036854775807 - 1)*((-2147483647 - 2)*(2147483647 + 1))*((-9223372036854775807.0 - 2)*(9223372036854775807.0 + 1))*(65536*65536)*(4294967296*4294967296.0)
+}
diff --git a/dimension/tests/integer-overflow.sh b/dimension/tests/integer-overflow.sh
new file mode 100755
index 0000000..0e1f03e
--- /dev/null
+++ b/dimension/tests/integer-overflow.sh
@@ -0,0 +1,35 @@
+#!/bin/sh
+
+#########################################################################
+# Copyright (C) 2009-2011 Tavian Barnes <tavianator@tavianator.com>     #
+#                                                                       #
+# This file is part of The Dimension Test Suite.                        #
+#                                                                       #
+# The Dimension Test Suite is free software; you can redistribute it    #
+# and/or modify it under the terms of the GNU General Public License as #
+# published by the Free Software Foundation; either version 3 of the    #
+# License, or (at your option) any later version.                       #
+#                                                                       #
+# The Dimension Test Suite is distributed in the hope that it will be   #
+# useful, but WITHOUT ANY WARRANTY; without even the implied warranty   #
+# of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU  #
+# General Public License for more details.                              #
+#                                                                       #
+# You should have received a copy of the GNU General Public License     #
+# along with this program.  If not, see <http://www.gnu.org/licenses/>. #
+#########################################################################
+
+integer_overflow=$(${top_builddir}/dimension/dimension ${dimension_flags} --parse ${srcdir}/integer-overflow.pov)
+integer_overflow_exp="$(echo -n \
+'((object
+    (torus
+      (float 1e+19)
+      (float 6.15656e+113))
+    object-modifiers))' \
+| tr '\n' ' ' | sed -r 's/[[:space:]]+/ /g')"
+
+if [ "$integer_overflow" != "$integer_overflow_exp" ]; then
+  echo "integer-overflow.pov parsed as \"$integer_overflow\"" >&2
+  echo "                   -- expected \"$integer_overflow_exp\"" >&2
+  exit 1
+fi
diff --git a/dimension/tests/invalid-macro.pov b/dimension/tests/invalid-macro.pov
new file mode 100644
index 0000000..9906da4
--- /dev/null
+++ b/dimension/tests/invalid-macro.pov
@@ -0,0 +1,26 @@
+/*************************************************************************
+ * Copyright (C) 2009-2010 Tavian Barnes <tavianator@tavianator.com>     *
+ *                                                                       *
+ * This file is part of The Dimension Test Suite.                        *
+ *                                                                       *
+ * The Dimension Test Suite is free software; you can redistribute it    *
+ * and/or modify it under the terms of the GNU General Public License as *
+ * published by the Free Software Foundation; either version 3 of the    *
+ * License, or (at your option) any later version.                       *
+ *                                                                       *
+ * The Dimension Test Suite is distributed in the hope that it will be   *
+ * useful, but WITHOUT ANY WARRANTY; without even the implied warranty   *
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU  *
+ * General Public License for more details.                              *
+ *                                                                       *
+ * You should have received a copy of the GNU General Public License     *
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>. *
+ *************************************************************************/
+
+// Regression test for commit 11d364ec365c46c21271012b566966d342a90a8b
+
+#macro Macro()
+  { }
+#end
+
+Macro()
diff --git a/dimension/tests/invalid-macro.sh b/dimension/tests/invalid-macro.sh
new file mode 100755
index 0000000..cf6f353
--- /dev/null
+++ b/dimension/tests/invalid-macro.sh
@@ -0,0 +1,23 @@
+#!/bin/sh
+
+#########################################################################
+# Copyright (C) 2009-2011 Tavian Barnes <tavianator@tavianator.com>     #
+#                                                                       #
+# This file is part of The Dimension Test Suite.                        #
+#                                                                       #
+# The Dimension Test Suite is free software; you can redistribute it    #
+# and/or modify it under the terms of the GNU General Public License as #
+# published by the Free Software Foundation; either version 3 of the    #
+# License, or (at your option) any later version.                       #
+#                                                                       #
+# The Dimension Test Suite is distributed in the hope that it will be   #
+# useful, but WITHOUT ANY WARRANTY; without even the implied warranty   #
+# of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU  #
+# General Public License for more details.                              #
+#                                                                       #
+# You should have received a copy of the GNU General Public License     #
+# along with this program.  If not, see <http://www.gnu.org/licenses/>. #
+#########################################################################
+
+${top_builddir}/dimension/dimension ${dimension_flags} --parse ${srcdir}/invalid-macro.pov
+[ $? -lt 128 -a $? -gt 0 ]
diff --git a/dimension/tests/labels.pov b/dimension/tests/labels.pov
new file mode 100644
index 0000000..369e1fd
--- /dev/null
+++ b/dimension/tests/labels.pov
@@ -0,0 +1,31 @@
+/*************************************************************************
+ * Copyright (C) 2009-2010 Tavian Barnes <tavianator@tavianator.com>     *
+ *                                                                       *
+ * This file is part of The Dimension Test Suite.                        *
+ *                                                                       *
+ * The Dimension Test Suite is free software; you can redistribute it    *
+ * and/or modify it under the terms of the GNU General Public License as *
+ * published by the Free Software Foundation; either version 3 of the    *
+ * License, or (at your option) any later version.                       *
+ *                                                                       *
+ * The Dimension Test Suite is distributed in the hope that it will be   *
+ * useful, but WITHOUT ANY WARRANTY; without even the implied warranty   *
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU  *
+ * General Public License for more details.                              *
+ *                                                                       *
+ * You should have received a copy of the GNU General Public License     *
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>. *
+ *************************************************************************/
+
+// Test that we correctly tokenize identifiers and keywords
+
+camera {
+}
+
+sphere {
+  color new_identifier
+}
+
+box {
+  colour new_identifier
+}
diff --git a/dimension/tests/labels.sh b/dimension/tests/labels.sh
new file mode 100755
index 0000000..47365bd
--- /dev/null
+++ b/dimension/tests/labels.sh
@@ -0,0 +1,29 @@
+#!/bin/sh
+
+#########################################################################
+# Copyright (C) 2009-2011 Tavian Barnes <tavianator@tavianator.com>     #
+#                                                                       #
+# This file is part of The Dimension Test Suite.                        #
+#                                                                       #
+# The Dimension Test Suite is free software; you can redistribute it    #
+# and/or modify it under the terms of the GNU General Public License as #
+# published by the Free Software Foundation; either version 3 of the    #
+# License, or (at your option) any later version.                       #
+#                                                                       #
+# The Dimension Test Suite is distributed in the hope that it will be   #
+# useful, but WITHOUT ANY WARRANTY; without even the implied warranty   #
+# of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU  #
+# General Public License for more details.                              #
+#                                                                       #
+# You should have received a copy of the GNU General Public License     #
+# along with this program.  If not, see <http://www.gnu.org/licenses/>. #
+#########################################################################
+
+labels=$(${top_builddir}/dimension/dimension ${dimension_flags} --tokenize ${srcdir}/labels.pov)
+labels_exp='(camera { } sphere { color (identifier "new_identifier") } box { color (identifier "new_identifier") })';
+
+if [ "$labels" != "$labels_exp" ]; then
+  echo "labels.pov tokenized as \"$labels\"" >&2
+  echo "            -- expected \"$labels_exp\"" >&2
+  exit 1
+fi
diff --git a/dimension/tests/numeric.pov b/dimension/tests/numeric.pov
new file mode 100644
index 0000000..dbf3c19
--- /dev/null
+++ b/dimension/tests/numeric.pov
@@ -0,0 +1,30 @@
+/*************************************************************************
+ * Copyright (C) 2009-2010 Tavian Barnes <tavianator@tavianator.com>     *
+ *                                                                       *
+ * This file is part of The Dimension Test Suite.                        *
+ *                                                                       *
+ * The Dimension Test Suite is free software; you can redistribute it    *
+ * and/or modify it under the terms of the GNU General Public License as *
+ * published by the Free Software Foundation; either version 3 of the    *
+ * License, or (at your option) any later version.                       *
+ *                                                                       *
+ * The Dimension Test Suite is distributed in the hope that it will be   *
+ * useful, but WITHOUT ANY WARRANTY; without even the implied warranty   *
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU  *
+ * General Public License for more details.                              *
+ *                                                                       *
+ * You should have received a copy of the GNU General Public License     *
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>. *
+ *************************************************************************/
+
+// Test that we correctly tokenize numeric values.  Note that the `-' in `-1',
+// for example, is a separate token and not part of the number.
+
+// Integers:
+1 123456789 01234567 0x123456789 -0x01
+
+// Floats:
+.1 0.1 1.0 0.123456789 -0.123456789
+
+// A vector:
+<1, 2.2, -3.03>
diff --git a/dimension/tests/numeric.sh b/dimension/tests/numeric.sh
new file mode 100755
index 0000000..c5e7c93
--- /dev/null
+++ b/dimension/tests/numeric.sh
@@ -0,0 +1,43 @@
+#!/bin/sh
+
+#########################################################################
+# Copyright (C) 2009-2011 Tavian Barnes <tavianator@tavianator.com>     #
+#                                                                       #
+# This file is part of The Dimension Test Suite.                        #
+#                                                                       #
+# The Dimension Test Suite is free software; you can redistribute it    #
+# and/or modify it under the terms of the GNU General Public License as #
+# published by the Free Software Foundation; either version 3 of the    #
+# License, or (at your option) any later version.                       #
+#                                                                       #
+# The Dimension Test Suite is distributed in the hope that it will be   #
+# useful, but WITHOUT ANY WARRANTY; without even the implied warranty   #
+# of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU  #
+# General Public License for more details.                              #
+#                                                                       #
+# You should have received a copy of the GNU General Public License     #
+# along with this program.  If not, see <http://www.gnu.org/licenses/>. #
+#########################################################################
+
+numeric=$(${top_builddir}/dimension/dimension ${dimension_flags} --tokenize ${srcdir}/numeric.pov)
+numeric_exp=$(echo -n \
+'((integer "1")
+  (integer "123456789")
+  (integer "01234567")
+  (integer "0x123456789")
+  - (integer "0x01")
+
+  (float ".1")
+  (float "0.1")
+  (float "1.0")
+  (float "0.123456789")
+  - (float "0.123456789")
+
+  < (integer "1") , (float "2.2") , - (float "3.03") >)' \
+| tr '\n' ' ' | sed -r 's/[[:space:]]+/ /g')
+
+if [ "$numeric" != "$numeric_exp" ]; then
+  echo "numeric.pov tokenized as \"$numeric\"" >&2
+  echo "             -- expected \"$numeric_exp\"" >&2
+  exit 1
+fi
diff --git a/dimension/tests/punctuation.pov b/dimension/tests/punctuation.pov
new file mode 100644
index 0000000..d61db25
--- /dev/null
+++ b/dimension/tests/punctuation.pov
@@ -0,0 +1,24 @@
+/*************************************************************************
+ * Copyright (C) 2009-2010 Tavian Barnes <tavianator@tavianator.com>     *
+ *                                                                       *
+ * This file is part of The Dimension Test Suite.                        *
+ *                                                                       *
+ * The Dimension Test Suite is free software; you can redistribute it    *
+ * and/or modify it under the terms of the GNU General Public License as *
+ * published by the Free Software Foundation; either version 3 of the    *
+ * License, or (at your option) any later version.                       *
+ *                                                                       *
+ * The Dimension Test Suite is distributed in the hope that it will be   *
+ * useful, but WITHOUT ANY WARRANTY; without even the implied warranty   *
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU  *
+ * General Public License for more details.                              *
+ *                                                                       *
+ * You should have received a copy of the GNU General Public License     *
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>. *
+ *************************************************************************/
+
+/* Test that we correctly tokenize all simple punctuation marks
+ * // Also make sure we handle nested /* comments */ properly
+ */
+
+{}()[]+-*/,;?:&.|=<>!<= >= !=
diff --git a/dimension/tests/punctuation.sh b/dimension/tests/punctuation.sh
new file mode 100755
index 0000000..6990657
--- /dev/null
+++ b/dimension/tests/punctuation.sh
@@ -0,0 +1,29 @@
+#!/bin/sh
+
+#########################################################################
+# Copyright (C) 2009-2011 Tavian Barnes <tavianator@tavianator.com>     #
+#                                                                       #
+# This file is part of The Dimension Test Suite.                        #
+#                                                                       #
+# The Dimension Test Suite is free software; you can redistribute it    #
+# and/or modify it under the terms of the GNU General Public License as #
+# published by the Free Software Foundation; either version 3 of the    #
+# License, or (at your option) any later version.                       #
+#                                                                       #
+# The Dimension Test Suite is distributed in the hope that it will be   #
+# useful, but WITHOUT ANY WARRANTY; without even the implied warranty   #
+# of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU  #
+# General Public License for more details.                              #
+#                                                                       #
+# You should have received a copy of the GNU General Public License     #
+# along with this program.  If not, see <http://www.gnu.org/licenses/>. #
+#########################################################################
+
+punctuation=$(${top_builddir}/dimension/dimension ${dimension_flags} --tokenize ${srcdir}/punctuation.pov)
+punctuation_exp='({ } \( \) [ ] + - * / , ; ? : & . | = < > ! <= >= !=)'
+
+if [ "$punctuation" != "$punctuation_exp" ]; then
+  echo "punctuation.pov tokenized as \"$punctuation\"" >&2
+  echo "                 -- expected \"$punctuation_exp\"" >&2
+  exit 1
+fi
diff --git a/dimension/tests/strings.pov b/dimension/tests/strings.pov
new file mode 100644
index 0000000..eafe1ba
--- /dev/null
+++ b/dimension/tests/strings.pov
@@ -0,0 +1,21 @@
+/*************************************************************************
+ * Copyright (C) 2009-2010 Tavian Barnes <tavianator@tavianator.com>     *
+ *                                                                       *
+ * This file is part of The Dimension Test Suite.                        *
+ *                                                                       *
+ * The Dimension Test Suite is free software; you can redistribute it    *
+ * and/or modify it under the terms of the GNU General Public License as *
+ * published by the Free Software Foundation; either version 3 of the    *
+ * License, or (at your option) any later version.                       *
+ *                                                                       *
+ * The Dimension Test Suite is distributed in the hope that it will be   *
+ * useful, but WITHOUT ANY WARRANTY; without even the implied warranty   *
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU  *
+ * General Public License for more details.                              *
+ *                                                                       *
+ * You should have received a copy of the GNU General Public License     *
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>. *
+ *************************************************************************/
+
+// Test string handling, including escape sequences
+"This is a string with escape sequences: \a\b\f\n\r\t\u2123\v\\\'\""
diff --git a/dimension/tests/strings.sh b/dimension/tests/strings.sh
new file mode 100755
index 0000000..1f5f4f9
--- /dev/null
+++ b/dimension/tests/strings.sh
@@ -0,0 +1,29 @@
+#!/bin/sh
+
+#########################################################################
+# Copyright (C) 2009-2011 Tavian Barnes <tavianator@tavianator.com>     #
+#                                                                       #
+# This file is part of The Dimension Test Suite.                        #
+#                                                                       #
+# The Dimension Test Suite is free software; you can redistribute it    #
+# and/or modify it under the terms of the GNU General Public License as #
+# published by the Free Software Foundation; either version 3 of the    #
+# License, or (at your option) any later version.                       #
+#                                                                       #
+# The Dimension Test Suite is distributed in the hope that it will be   #
+# useful, but WITHOUT ANY WARRANTY; without even the implied warranty   #
+# of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU  #
+# General Public License for more details.                              #
+#                                                                       #
+# You should have received a copy of the GNU General Public License     #
+# along with this program.  If not, see <http://www.gnu.org/licenses/>. #
+#########################################################################
+
+strings=$(${top_builddir}/dimension/dimension ${dimension_flags} --tokenize ${srcdir}/strings.pov)
+strings_exp=$(/bin/echo -e "((string \"This is a string with escape sequences: \a\b\f\n\r\t!#\v\\\'\"\"))")
+
+if [ "$strings" != "$strings_exp" ]; then
+  echo "strings.pov tokenized as \"$strings\"" >&2
+  echo "             -- expected \"$strings_exp\"" >&2
+  exit 1
+fi
diff --git a/dimension/tests/tbuffer-overlap.pov b/dimension/tests/tbuffer-overlap.pov
new file mode 100644
index 0000000..872b124
--- /dev/null
+++ b/dimension/tests/tbuffer-overlap.pov
@@ -0,0 +1,22 @@
+/*************************************************************************
+ * Copyright (C) 2009-2010 Tavian Barnes <tavianator@tavianator.com>     *
+ *                                                                       *
+ * This file is part of The Dimension Test Suite.                        *
+ *                                                                       *
+ * The Dimension Test Suite is free software; you can redistribute it    *
+ * and/or modify it under the terms of the GNU General Public License as *
+ * published by the Free Software Foundation; either version 3 of the    *
+ * License, or (at your option) any later version.                       *
+ *                                                                       *
+ * The Dimension Test Suite is distributed in the hope that it will be   *
+ * useful, but WITHOUT ANY WARRANTY; without even the implied warranty   *
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU  *
+ * General Public License for more details.                              *
+ *                                                                       *
+ * You should have received a copy of the GNU General Public License     *
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>. *
+ *************************************************************************/
+
+// Regression test for commit 72be096ff528306b1af6b41d5cacd1157b096d72
+
+#if (1=1) #declare foo = #end;
diff --git a/dimension/tests/tbuffer-overlap.sh b/dimension/tests/tbuffer-overlap.sh
new file mode 100755
index 0000000..bc3126d
--- /dev/null
+++ b/dimension/tests/tbuffer-overlap.sh
@@ -0,0 +1,23 @@
+#!/bin/sh
+
+#########################################################################
+# Copyright (C) 2009-2011 Tavian Barnes <tavianator@tavianator.com>     #
+#                                                                       #
+# This file is part of The Dimension Test Suite.                        #
+#                                                                       #
+# The Dimension Test Suite is free software; you can redistribute it    #
+# and/or modify it under the terms of the GNU General Public License as #
+# published by the Free Software Foundation; either version 3 of the    #
+# License, or (at your option) any later version.                       #
+#                                                                       #
+# The Dimension Test Suite is distributed in the hope that it will be   #
+# useful, but WITHOUT ANY WARRANTY; without even the implied warranty   #
+# of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU  #
+# General Public License for more details.                              #
+#                                                                       #
+# You should have received a copy of the GNU General Public License     #
+# along with this program.  If not, see <http://www.gnu.org/licenses/>. #
+#########################################################################
+
+${top_builddir}/dimension/dimension ${dimension_flags} --parse ${srcdir}/tbuffer-overlap.pov
+[ $? -lt 128 -a $? -gt 0 ]
diff --git a/dimension/tests/transformations.pov b/dimension/tests/transformations.pov
new file mode 100644
index 0000000..312445d
--- /dev/null
+++ b/dimension/tests/transformations.pov
@@ -0,0 +1,39 @@
+/*************************************************************************
+ * Copyright (C) 2009-2010 Tavian Barnes <tavianator@tavianator.com>     *
+ *                                                                       *
+ * This file is part of The Dimension Test Suite.                        *
+ *                                                                       *
+ * The Dimension Test Suite is free software; you can redistribute it    *
+ * and/or modify it under the terms of the GNU General Public License as *
+ * published by the Free Software Foundation; either version 3 of the    *
+ * License, or (at your option) any later version.                       *
+ *                                                                       *
+ * The Dimension Test Suite is distributed in the hope that it will be   *
+ * useful, but WITHOUT ANY WARRANTY; without even the implied warranty   *
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU  *
+ * General Public License for more details.                              *
+ *                                                                       *
+ * You should have received a copy of the GNU General Public License     *
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>. *
+ *************************************************************************/
+
+// Test transformations
+
+#declare Trans = transform { translate 1*z }
+
+sphere {
+  0, 1
+  translate -1*x
+  rotate 90*y
+  scale 2
+  transform Trans
+  matrix <1, 1, 0,
+          0, 1, 0,
+          0, 0, 1,
+          0, 0, 0>
+  transform {
+    Trans
+    rotate 45*z
+    inverse
+  }
+}
diff --git a/dimension/tests/transformations.sh b/dimension/tests/transformations.sh
new file mode 100755
index 0000000..727bf3b
--- /dev/null
+++ b/dimension/tests/transformations.sh
@@ -0,0 +1,64 @@
+#!/bin/sh
+
+#########################################################################
+# Copyright (C) 2009-2011 Tavian Barnes <tavianator@tavianator.com>     #
+#                                                                       #
+# This file is part of The Dimension Test Suite.                        #
+#                                                                       #
+# The Dimension Test Suite is free software; you can redistribute it    #
+# and/or modify it under the terms of the GNU General Public License as #
+# published by the Free Software Foundation; either version 3 of the    #
+# License, or (at your option) any later version.                       #
+#                                                                       #
+# The Dimension Test Suite is distributed in the hope that it will be   #
+# useful, but WITHOUT ANY WARRANTY; without even the implied warranty   #
+# of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU  #
+# General Public License for more details.                              #
+#                                                                       #
+# You should have received a copy of the GNU General Public License     #
+# along with this program.  If not, see <http://www.gnu.org/licenses/>. #
+#########################################################################
+
+transformations=$(${top_builddir}/dimension/dimension ${dimension_flags} --parse ${srcdir}/transformations.pov)
+transformations_exp="$(echo -n \
+'((object
+    (sphere
+      (vector (integer 0) (integer 0) (integer 0) (integer 0) (integer 0))
+      (integer 1))
+    (object-modifiers
+      (transformation
+        (translation
+          (vector (integer -1) (integer 0) (integer 0)
+                  (integer 0) (integer 0))))
+      (transformation
+        (rotation
+          (vector (integer 0) (integer 90) (integer 0)
+                  (integer 0) (integer 0))))
+      (transformation
+        (scale
+          (vector (integer 2) (integer 2) (integer 2) (integer 2) (integer 2))))
+      (transformation
+        (translation
+          (vector (integer 0) (integer 0) (integer 1) (integer 0) (integer 0))))
+      (transformation
+        (matrix
+           (integer 1) (integer 1) (integer 0)
+           (integer 0) (integer 1) (integer 0)
+           (integer 0) (integer 0) (integer 1)
+           (integer 0) (integer 0) (integer 0)))
+      (transformation
+        (translation
+          (vector (integer 0) (integer 0) (integer 1) (integer 0) (integer 0)))
+        (rotation
+          (vector (integer 0) (integer 0) (integer 45)
+                  (integer 0) (integer 0)))
+        inverse))))' \
+| tr '\n' ' ' | sed -r 's/[[:space:]]+/ /g')"
+
+if [ "$transformations" != "$transformations_exp" ]; then
+  echo "transformations.pov parsed as \"$transformations\"" >&2
+  echo "                  -- expected \"$transformations_exp\"" >&2
+  exit 1
+fi
+
+${top_builddir}/dimension/dimension ${dimension_flags} -w1 -h1 -o /dev/null ${srcdir}/transformations.pov