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authorTavian Barnes <tavianator@tavianator.com>2014-05-06 20:28:55 -0400
committerTavian Barnes <tavianator@tavianator.com>2014-05-06 20:28:55 -0400
commitf9415da7c168e45cadbb7b9b15bd03a453d237b3 (patch)
treee7f8b935fc6f7138c0dacafb0ef26bdc3ed04da2 /sangria-core/src/test
parent313c4245e3ebc1f803bf2ae59d8134066bb04122 (diff)
downloadsangria-f9415da7c168e45cadbb7b9b15bd03a453d237b3.tar.xz
core: Add TypeLiterals utility class.
Diffstat (limited to 'sangria-core/src/test')
-rw-r--r--sangria-core/src/test/java/com/tavianator/sangria/core/TypeLiteralsTest.java80
1 files changed, 80 insertions, 0 deletions
diff --git a/sangria-core/src/test/java/com/tavianator/sangria/core/TypeLiteralsTest.java b/sangria-core/src/test/java/com/tavianator/sangria/core/TypeLiteralsTest.java
new file mode 100644
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--- /dev/null
+++ b/sangria-core/src/test/java/com/tavianator/sangria/core/TypeLiteralsTest.java
@@ -0,0 +1,80 @@
+/****************************************************************************
+ * Sangria *
+ * Copyright (C) 2014 Tavian Barnes <tavianator@tavianator.com> *
+ * *
+ * Licensed under the Apache License, Version 2.0 (the "License"); *
+ * you may not use this file except in compliance with the License. *
+ * You may obtain a copy of the License at *
+ * *
+ * http://www.apache.org/licenses/LICENSE-2.0 *
+ * *
+ * Unless required by applicable law or agreed to in writing, software *
+ * distributed under the License is distributed on an "AS IS" BASIS, *
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. *
+ * See the License for the specific language governing permissions and *
+ * limitations under the License. *
+ ****************************************************************************/
+
+package com.tavianator.sangria.core;
+
+import java.util.*;
+
+import com.google.inject.Provider;
+import com.google.inject.TypeLiteral;
+import org.hamcrest.Matcher;
+import org.hamcrest.Matchers;
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+
+/**
+ * Tests for {@link TypeLiterals}.
+ *
+ * @author Tavian Barnes (tavianator@tavianator.com)
+ * @version 1.1
+ * @since 1.1
+ */
+public class TypeLiteralsTest {
+ @Test
+ public void testListOf() {
+ assertThat(TypeLiterals.listOf(String.class),
+ equalTo(new TypeLiteral<List<String>>() { }));
+ assertThat(TypeLiterals.listOf(new TypeLiteral<Class<?>>() { }),
+ equalTo(new TypeLiteral<List<Class<?>>>() { }));
+ }
+
+ @Test
+ public void testSetOf() {
+ assertThat(TypeLiterals.setOf(String.class),
+ equalTo(new TypeLiteral<Set<String>>() { }));
+ assertThat(TypeLiterals.setOf(new TypeLiteral<Class<?>>() { }),
+ equalTo(new TypeLiteral<Set<Class<?>>>() { }));
+ }
+
+ @Test
+ public void testMapOf() {
+ assertThat(TypeLiterals.mapOf(String.class, String.class),
+ equalTo(new TypeLiteral<Map<String, String>>() { }));
+ assertThat(TypeLiterals.mapOf(String.class, new TypeLiteral<Class<?>>() { }),
+ equalTo(new TypeLiteral<Map<String, Class<?>>>() { }));
+ assertThat(TypeLiterals.mapOf(new TypeLiteral<Class<?>>() { }, String.class),
+ equalTo(new TypeLiteral<Map<Class<?>, String>>() { }));
+ assertThat(TypeLiterals.mapOf(new TypeLiteral<Class<?>>() { }, new TypeLiteral<Class<?>>() { }),
+ equalTo(new TypeLiteral<Map<Class<?>, Class<?>>>() { }));
+ }
+
+ @Test
+ public void testProviderOf() {
+ assertThat(TypeLiterals.providerOf(String.class),
+ equalTo(new TypeLiteral<Provider<String>>() { }));
+ assertThat(TypeLiterals.providerOf(new TypeLiteral<Class<?>>() { }),
+ equalTo(new TypeLiteral<Provider<Class<?>>>() { }));
+ }
+
+ /**
+ * Needed to avoid compilation error to to inferred type being anonymous class.
+ */
+ private static <T> Matcher<TypeLiteral<T>> equalTo(TypeLiteral<T> type) {
+ return Matchers.equalTo(type);
+ }
+}