New sandglass_bench_noprecache() test.

2 files changed, 60 insertions, 1 deletions

diff --git a/tests/Makefile.am b/tests/Makefile.am
index b4fd06d..97f2931 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -21,7 +21,8 @@ check_PROGRAMS = introspective-system-test                                     \
                  introspective-cputime-test                                    \
                  monotonic-system-test                                         \
                  monotonic-cputime-test                                        \
-                 monotonic-realticks-test
+                 monotonic-realticks-test                                      \
+                 noprecache-test
 TESTS          = $(check_PROGRAMS)
 
 INCLUDES = -I../src
@@ -40,3 +41,6 @@ monotonic_cputime_test_LDADD   = ../src/libsandglass.la
 
 monotonic_realticks_test_SOURCES = monotonic-realticks.c
 monotonic_realticks_test_LDADD   = ../src/libsandglass.la
+
+noprecache_test_SOURCES = noprecache.c
+noprecache_test_LDADD   = ../src/libsandglass.la
diff --git a/tests/noprecache.c b/tests/noprecache.c
new file mode 100644
index 0000000..071920d
--- /dev/null
+++ b/tests/noprecache.c
@@ -0,0 +1,55 @@
+/*************************************************************************
+ * Copyright (C) 2008 Tavian Barnes <tavianator@gmail.com>               *
+ *                                                                       *
+ * This file is part of The Sandglass Library.                           *
+ *                                                                       *
+ * The Sandglass Library is free software; you can redistribute it       *
+ * and/or modify it under the terms of the GNU Lesser General Public     *
+ * License as published by the Free Software Foundation; either version  *
+ * 3 of the License, or (at your option) any later version.              *
+ *                                                                       *
+ * The Sandglass Library 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  *
+ * Lesser General Public License for more details.                       *
+ *                                                                       *
+ * You should have received a copy of the GNU Lesser General Public      *
+ * License along with this program.  If not, see                         *
+ * <http://www.gnu.org/licenses/>.                                       *
+ *************************************************************************/
+
+#include "../src/sandglass_impl.h"
+#include "../src/sandglass.h"
+#include <unistd.h>
+#include <time.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <math.h>
+
+int
+main()
+{
+  int i = 0;
+  sandglass_t sandglass;
+  sandglass_attributes_t attr = { SANDGLASS_MONOTONIC, SANDGLASS_CPUTIME };
+  struct timespec tosleep = { .tv_sec = 0, .tv_nsec = 111111111L };
+
+  if (sandglass_create(&sandglass, &attr, &attr) != 0) {
+    perror("sandglass_create()");
+    return EXIT_FAILURE;
+  }
+
+  sandglass_bench_noprecache(&sandglass, {
+    sandglass_spin(&tosleep);
+    ++i;
+  });
+
+  if (i != 1) {
+    fprintf(stderr,
+            "sandglass_bench_noprecache() evaluated routine %d times!\n", i);
+  }
+
+  printf("%.15g\n", sandglass.grains/sandglass.resolution);
+
+  return EXIT_SUCCESS;
+}