1 /* 2 * Copyright 2016 Google Inc. All Rights Reserved. 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 com.google.turbine.bytecode.sig; 18 19 import static com.google.common.truth.Truth.assertThat; 20 21 import com.google.common.collect.Iterables; 22 import com.google.turbine.bytecode.sig.Sig.TySig.TySigKind; 23 import org.junit.Test; 24 import org.junit.runner.RunWith; 25 import org.junit.runners.JUnit4; 26 27 /** Regression tests for reading/writing interesting signatures. */ 28 @RunWith(JUnit4.class) 29 public class SigRegressionTest { 30 31 @Test 32 public void collect() { 33 String input = "<E:Ljava/lang/Object;>Ljava/lang/Object;Ljava/util/Collection<TE;>;"; 34 Sig.ClassSig sig = new SigParser(input).parseClassSig(); 35 36 Sig.TyParamSig tyParam = Iterables.getOnlyElement(sig.tyParams()); 37 assertThat(tyParam.name()).isEqualTo("E"); 38 Sig.ClassTySig bound = (Sig.ClassTySig) tyParam.classBound(); 39 assertThat(bound.pkg()).isEqualTo("java/lang"); 40 assertThat(Iterables.getOnlyElement(bound.classes()).simpleName()).isEqualTo("Object"); 41 42 assertThat(sig.superClass().pkg()).isEqualTo("java/lang"); 43 assertThat(Iterables.getOnlyElement(sig.superClass().classes()).simpleName()) 44 .isEqualTo("Object"); 45 46 Sig.ClassTySig i = Iterables.getOnlyElement(sig.interfaces()); 47 assertThat(i.pkg()).isEqualTo("java/util"); 48 49 Sig.SimpleClassTySig simple = Iterables.getOnlyElement(i.classes()); 50 assertThat(simple.simpleName()).isEqualTo("Collection"); 51 52 Sig.TySig tyArg = Iterables.getOnlyElement(simple.tyArgs()); 53 assertThat(tyArg.kind()).isEqualTo(TySigKind.TY_VAR_SIG); 54 Sig.TyVarSig tyVar = (Sig.TyVarSig) tyArg; 55 assertThat(tyVar.name()).isEqualTo("E"); 56 57 assertThat(SigWriter.classSig(sig)).isEqualTo(input); 58 } 59 60 @Test 61 public void chrono() { 62 String input = 63 "<D::Ljava/time/chrono/ChronoLocalDate;>Ljava/lang/Object;Ljava/time/temporal/Temporal;" 64 + "Ljava/lang/Comparable<Ljava/time/chrono/ChronoZonedDateTime<*>;>;"; 65 Sig.ClassSig sig = new SigParser(input).parseClassSig(); 66 assertThat(SigWriter.classSig(sig)).isEqualTo(input); 67 } 68 69 @Test 70 public void map() { 71 String input = 72 "<K:Ljava/lang/Object;V:Ljava/lang/Object;>Ljava/lang/Object;Ljava/util/Map<TK;TV;>;"; 73 Sig.ClassSig sig = new SigParser(input).parseClassSig(); 74 assertThat(SigWriter.classSig(sig)).isEqualTo(input); 75 } 76 77 @Test 78 public void longConsumer() { 79 String input = 80 "Ljava/util/stream/SpinedBuffer$OfPrimitive<Ljava/lang/Long;[JLjava/util/function/LongConsumer;>;" 81 + "Ljava/util/function/LongConsumer;"; 82 Sig.ClassSig sig = new SigParser(input).parseClassSig(); 83 assertThat(SigWriter.classSig(sig)).isEqualTo(input); 84 } 85 86 @Test 87 public void innerClass() { 88 String input = "Ljava/lang/Enum<Lsun/util/logging/PlatformLogger.Level;>;"; 89 Sig.ClassSig sig = new SigParser(input).parseClassSig(); 90 assertThat(SigWriter.classSig(sig)).isEqualTo(input); 91 } 92 93 @Test 94 public void wildArray() { 95 String input = "LA<[*>.I;"; 96 Sig.ClassSig sig = new SigParser(input).parseClassSig(); 97 assertThat(SigWriter.classSig(sig)).isEqualTo(input); 98 99 input = "LA<[+[Z>.I;"; 100 sig = new SigParser(input).parseClassSig(); 101 assertThat(SigWriter.classSig(sig)).isEqualTo(input); 102 103 input = "LA<[-[Z>.I;"; 104 sig = new SigParser(input).parseClassSig(); 105 } 106 } 107
