| /* |
| * Copyright 2016 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.value.extension.memoized; |
| |
| import static com.google.auto.value.extension.memoized.MemoizedMethodSubjectFactory.assertThatMemoizeMethod; |
| import static com.google.testing.compile.CompilationSubject.assertThat; |
| import static com.google.testing.compile.Compiler.javac; |
| |
| import com.google.auto.value.extension.memoized.processor.MemoizedValidator; |
| import com.google.testing.compile.Compilation; |
| import com.google.testing.compile.JavaFileObjects; |
| import javax.tools.JavaFileObject; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| @RunWith(JUnit4.class) |
| public class MemoizedValidationTest { |
| |
| @Test |
| public void privateMethod() { |
| assertThatMemoizeMethod("@Memoized private String method() { return \"\"; }") |
| .hasError("@Memoized methods cannot be private"); |
| } |
| |
| @Test |
| public void staticMethod() { |
| assertThatMemoizeMethod("@Memoized static String method() { return \"\"; }") |
| .hasError("@Memoized methods cannot be static"); |
| } |
| |
| @Test |
| public void finalMethod() { |
| assertThatMemoizeMethod("@Memoized final String method() { return \"\"; }") |
| .hasError("@Memoized methods cannot be final"); |
| } |
| |
| @Test |
| public void abstractMethod() { |
| assertThatMemoizeMethod("@Memoized abstract String method();") |
| .hasError("@Memoized methods cannot be abstract"); |
| } |
| |
| @Test |
| public void voidMethod() { |
| assertThatMemoizeMethod("@Memoized void method() {}") |
| .hasError("@Memoized methods cannot be void"); |
| } |
| |
| @Test |
| public void parameters() { |
| assertThatMemoizeMethod("@Memoized String method(Object param) { return \"\"; }") |
| .hasError("@Memoized methods cannot have parameters"); |
| } |
| |
| @Test |
| public void notInAutoValueClass() { |
| JavaFileObject source = |
| JavaFileObjects.forSourceLines( |
| "test.EnclosingClass", |
| "package test;", |
| "", |
| "import com.google.auto.value.extension.memoized.Memoized;", |
| "", |
| "abstract class EnclosingClass {", |
| " @Memoized", |
| " String string() {", |
| " return \"\";", |
| " }", |
| "}"); |
| Compilation compilation = javac().withProcessors(new MemoizedValidator()).compile(source); |
| assertThat(compilation).failed(); |
| assertThat(compilation) |
| .hadErrorContaining("@Memoized methods must be declared only in @AutoValue classes") |
| .inFile(source) |
| .onLine(6); |
| } |
| } |