| /* |
| * Copyright 2017 Google LLC |
| * |
| * 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.google.auto.common; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| import static org.junit.Assert.fail; |
| |
| import com.google.testing.compile.CompilationRule; |
| import java.util.List; |
| import javax.lang.model.element.AnnotationValue; |
| import javax.lang.model.type.PrimitiveType; |
| import javax.lang.model.type.TypeKind; |
| import javax.lang.model.type.TypeMirror; |
| import javax.lang.model.util.Elements; |
| import javax.lang.model.util.SimpleAnnotationValueVisitor8; |
| import javax.lang.model.util.Types; |
| import org.checkerframework.checker.nullness.qual.Nullable; |
| import org.junit.Before; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** Tests for {@link SimpleTypeAnnotationValue}. */ |
| @RunWith(JUnit4.class) |
| public class SimpleTypeAnnotationValueTest { |
| @Rule public final CompilationRule compilation = new CompilationRule(); |
| private Types types; |
| private Elements elements; |
| private TypeMirror objectType; |
| private PrimitiveType primitiveType; |
| |
| @Before |
| public void setUp() { |
| types = compilation.getTypes(); |
| elements = compilation.getElements(); |
| objectType = elements.getTypeElement(Object.class.getCanonicalName()).asType(); |
| primitiveType = types.getPrimitiveType(TypeKind.BOOLEAN); |
| } |
| |
| @Test |
| public void primitiveClass() { |
| AnnotationValue annotationValue = SimpleTypeAnnotationValue.of(primitiveType); |
| assertThat(annotationValue.getValue()).isEqualTo(primitiveType); |
| } |
| |
| @Test |
| public void arrays() { |
| SimpleTypeAnnotationValue.of(types.getArrayType(objectType)); |
| SimpleTypeAnnotationValue.of(types.getArrayType(primitiveType)); |
| } |
| |
| @Test |
| public void declaredType() { |
| SimpleTypeAnnotationValue.of(objectType); |
| } |
| |
| @Test |
| public void visitorMethod() { |
| SimpleTypeAnnotationValue.of(objectType) |
| .accept( |
| new SimpleAnnotationValueVisitor8<@Nullable Void, @Nullable Void>() { |
| @Override |
| public @Nullable Void visitType(TypeMirror typeMirror, @Nullable Void aVoid) { |
| // do nothing, expected case |
| return null; |
| } |
| |
| @Override |
| protected @Nullable Void defaultAction(Object o, @Nullable Void aVoid) { |
| throw new AssertionError(); |
| } |
| }, |
| null); |
| } |
| |
| @Test |
| public void parameterizedType() { |
| try { |
| SimpleTypeAnnotationValue.of( |
| types.getDeclaredType( |
| elements.getTypeElement(List.class.getCanonicalName()), objectType)); |
| fail("Expected an exception"); |
| } catch (IllegalArgumentException expected) { |
| } |
| } |
| } |