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/****************************************************************************
* 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);
}
}
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