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.common.truth.Truth.assertThat; 20 import static dagger.internal.codegen.binding.SourceFiles.simpleVariableName; 21 22 import com.squareup.javapoet.ClassName; 23 import dagger.internal.codegen.binding.SourceFiles; 24 import java.util.List; 25 import org.junit.Test; 26 import org.junit.runner.RunWith; 27 import org.junit.runners.JUnit4; 28 29 /** Tests for {@link SourceFiles}. */ 30 @RunWith(JUnit4.class) 31 public final class SourceFilesTest { 32 private static final class Int {} 33 34 @Test testSimpleVariableName_typeCollisions()35 public void testSimpleVariableName_typeCollisions() { 36 // a handful of boxed types 37 assertThat(simpleVariableName(ClassName.get(Long.class))).isEqualTo("l"); 38 assertThat(simpleVariableName(ClassName.get(Double.class))).isEqualTo("d"); 39 // not a boxed type type, but a custom type might collide 40 assertThat(simpleVariableName(ClassName.get(Int.class))).isEqualTo("i"); 41 // void is the weird pseudo-boxed type 42 assertThat(simpleVariableName(ClassName.get(Void.class))).isEqualTo("v"); 43 // reflective types 44 assertThat(simpleVariableName(ClassName.get(Class.class))).isEqualTo("clazz"); 45 assertThat(simpleVariableName(ClassName.get(Package.class))).isEqualTo("pkg"); 46 } 47 48 private static final class For {} 49 50 private static final class Goto {} 51 52 @Test testSimpleVariableName_randomKeywords()53 public void testSimpleVariableName_randomKeywords() { 54 assertThat(simpleVariableName(ClassName.get(For.class))).isEqualTo("for_"); 55 assertThat(simpleVariableName(ClassName.get(Goto.class))).isEqualTo("goto_"); 56 } 57 58 @Test testSimpleVariableName()59 public void testSimpleVariableName() { 60 assertThat(simpleVariableName(ClassName.get(Object.class))).isEqualTo("object"); 61 assertThat(simpleVariableName(ClassName.get(List.class))).isEqualTo("list"); 62 } 63 } 64