1 /* 2 * Copyright (C) 2017 The Dagger Authors. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package dagger.internal.codegen; 18 19 import static com.google.testing.compile.CompilationSubject.assertThat; 20 import static dagger.internal.codegen.Compilers.daggerCompiler; 21 22 import com.google.testing.compile.Compilation; 23 import com.google.testing.compile.JavaFileObjects; 24 import javax.tools.JavaFileObject; 25 import org.junit.Test; 26 import org.junit.runner.RunWith; 27 import org.junit.runners.JUnit4; 28 29 @RunWith(JUnit4.class) 30 public class GenericMethodsTest { 31 @Test parameterizedComponentMethods()32 public void parameterizedComponentMethods() { 33 JavaFileObject component = 34 JavaFileObjects.forSourceLines( 35 "test.TestComponent", 36 "package test;", 37 "", 38 "import dagger.Component;", 39 "import dagger.MembersInjector;", 40 "import java.util.Set;", 41 "", 42 "@Component", 43 "interface TestComponent {", 44 " <T1> void injectTypeVariable(T1 type);", 45 " <T2> MembersInjector<T2> membersInjector();", 46 " <T3> Set<T3> setOfT();", 47 " <UNUSED> TestComponent unused();", 48 "}"); 49 Compilation compilation = daggerCompiler().compile(component); 50 assertThat(compilation).failed(); 51 assertThat(compilation) 52 .hadErrorContaining("cannot have type variables") 53 .inFile(component) 54 .onLineContaining("<T1>"); 55 assertThat(compilation) 56 .hadErrorContaining("cannot have type variables") 57 .inFile(component) 58 .onLineContaining("<T2>"); 59 assertThat(compilation) 60 .hadErrorContaining("cannot have type variables") 61 .inFile(component) 62 .onLineContaining("<T3>"); 63 assertThat(compilation) 64 .hadErrorContaining("cannot have type variables") 65 .inFile(component) 66 .onLineContaining("<UNUSED>"); 67 } 68 } 69