| // Copyright (c) 2020, the R8 project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| package com.android.tools.r8.graph.genericsignature; |
| |
| import static com.android.tools.r8.DiagnosticsMatcher.diagnosticMessage; |
| import static com.google.common.base.Predicates.alwaysFalse; |
| import static org.hamcrest.CoreMatchers.containsString; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertThrows; |
| |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestDiagnosticMessages; |
| import com.android.tools.r8.TestDiagnosticMessagesImpl; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import com.android.tools.r8.graph.DexItemFactory; |
| import com.android.tools.r8.graph.GenericSignature; |
| import com.android.tools.r8.graph.GenericSignature.ClassSignature; |
| import com.android.tools.r8.graph.GenericSignaturePrinter; |
| import com.android.tools.r8.naming.NamingLens; |
| import com.android.tools.r8.origin.Origin; |
| import com.android.tools.r8.utils.Reporter; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.Parameterized.Parameters; |
| |
| @RunWith(Parameterized.class) |
| public class ClassSignatureTest extends TestBase { |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withNoneRuntime().build(); |
| } |
| |
| public ClassSignatureTest(TestParameters parameters) { |
| parameters.assertNoneRuntime(); |
| } |
| |
| @Test |
| public void testSuperClass() { |
| testParsingAndPrintingEqual("Lfoo/bar/baz;"); |
| } |
| |
| @Test |
| public void testSuperClassWithInnerClasses() { |
| testParsingAndPrintingEqual("Lfoo/bar/baz.Foo.Bar;"); |
| } |
| |
| @Test |
| public void testSuperClassWithInterfaces1() { |
| testParsingAndPrintingEqual("Lfoo/bar/baz;Lfoo/bar/qux;"); |
| } |
| |
| @Test |
| public void testSuperClassWithInterfaces2() { |
| testParsingAndPrintingEqual("Lfoo/bar/baz;Lfoo/bar/qux;Lfoo/bar/quux;"); |
| } |
| |
| @Test |
| public void testSuperClassWithInterfacesInnerClassesSeparatedByDollar() { |
| testParsingAndPrintingEqual("Lfoo/bar/baz$Foo$Bar;Lfoo/bar/qux;Lfoo/bar/quux$Foo$Bar;"); |
| } |
| |
| @Test |
| public void testSuperClassWithInterfacesInnerClassesSeparatedByPeriod() { |
| testParsingAndPrintingEqual("Lfoo/bar/baz.Foo.Bar;Lfoo/bar/qux;Lfoo/bar/quux.Foo.Bar;"); |
| } |
| |
| @Test |
| public void testInnerClassesWithSeparatorInName1() { |
| testParsingAndPrintingEqual("Lfoo/bar/baz<*>.Foo$$$<*>.Bar;"); |
| } |
| |
| @Test |
| public void testInnerClassesWithSeparatorInName2() { |
| testParsingAndPrintingEqual("Lfoo/bar/baz<*>.Foo$Bar$$<*>.Qux;"); |
| } |
| |
| @Test |
| public void testSuperClassWithInnerClassesGenericArguments2() { |
| testParsingAndPrintingEqual("Lfoo/bar/baz<LFoo;>.Foo<LFoo;>.Bar<LFoo;>;"); |
| } |
| |
| @Test |
| public void testSuperClassWithInterfacesInnerClassesGenericArguments2() { |
| testParsingAndPrintingEqual( |
| "Lfoo/bar/baz<LFoo;>.Foo<LFoo;>.Bar<LFoo;>;Lfoo/bar/qux<LFoo;>;Lfoo/bar/quux<LFoo;>.Foo<LFoo;>.Bar<LFoo;>;"); |
| } |
| |
| @Test |
| public void testSuperClassWithInterfacesInnerClassesGenericArguments3() { |
| testParsingAndPrintingEqual( |
| "Lfoo/bar/baz<LFoo;[[I[[[LBar<LFoo;>;>.Foo<LFoo;>.Bar<LFoo;>;Lfoo/bar/qux<LFoo;>;Lfoo/bar/quux<LFoo;>.Foo<LFoo;>.Bar<LFoo;>;"); |
| } |
| |
| @Test |
| public void testWildCards() { |
| testParsingAndPrintingEqual("Lfoo/Bar<*>;"); |
| } |
| |
| @Test |
| public void testWildCardsPositiveNegative() { |
| testParsingAndPrintingEqual("Lfoo/Bar<*+[I-LFoo<+LBar;>;>;"); |
| } |
| |
| @Test |
| public void testSuperClassError() { |
| testParsingAndPrintingError("Lfoo/bar/baz") |
| .assertAllWarningsMatch( |
| diagnosticMessage(containsString("Invalid signature 'Lfoo/bar/baz'"))); |
| } |
| |
| @Test |
| public void testReferenceToTypeVariable() { |
| testParsingAndPrintingEqual("Lfoo/bar/baz<TT;>;"); |
| } |
| |
| @Test |
| public void testFormalTypeParameters() { |
| testParsingAndPrintingEqual("<T:Ljava/lang/Object;>Lfoo/bar/baz<TT;>;"); |
| } |
| |
| @Test |
| public void testFormalTypeWithEmpty() { |
| testParsingAndPrintingEqual("<T:>Lfoo/bar/baz<TT;>;"); |
| } |
| |
| @Test |
| public void testFormalTypeParametersWithInterfaces() { |
| testParsingAndPrintingEqual("<T:Ljava/lang/Object;:LI;>Lfoo/bar/baz<TT;>;"); |
| } |
| |
| @Test |
| public void testFormalTypeParametersArguments() { |
| testParsingAndPrintingEqual( |
| "<T:Ljava/lang/Object;:LI;R:LFoo<TT;[Lfoo/bar<TT;>.Baz<TT;[I>;>;>Lfoo/bar/baz<TT;>;"); |
| } |
| |
| @Test |
| public void testFormalTypeParameterEmptyInterfaceError() { |
| testParsingAndPrintingError("<T:Ljava/lang/Object;:>Lfoo/bar/baz<TT;>;") |
| .assertAllWarningsMatch( |
| diagnosticMessage( |
| containsString("Invalid signature '<T:Ljava/lang/Object;:>Lfoo/bar/baz<TT;>;'"))); |
| } |
| |
| @Test |
| public void testFormalTypeParametersEmptyError() { |
| // TODO(b/169716723): This should throw an error |
| assertThrows(AssertionError.class, () -> testParsingAndPrintingError("<>Lfoo/bar/baz<TT;>;")); |
| } |
| |
| private void testParsingAndPrintingEqual(String signature) { |
| ClassSignature parsed = |
| GenericSignature.parseClassSignature( |
| "A", signature, Origin.unknown(), new DexItemFactory(), new Reporter()); |
| GenericSignaturePrinter genericSignaturePrinter = |
| new GenericSignaturePrinter(NamingLens.getIdentityLens(), alwaysFalse()); |
| genericSignaturePrinter.visitClassSignature(parsed); |
| String outSignature = genericSignaturePrinter.toString(); |
| assertEquals(signature, outSignature); |
| } |
| |
| private TestDiagnosticMessages testParsingAndPrintingError(String signature) { |
| TestDiagnosticMessagesImpl testDiagnosticMessages = new TestDiagnosticMessagesImpl(); |
| ClassSignature parsed = |
| GenericSignature.parseClassSignature( |
| "A", |
| signature, |
| Origin.unknown(), |
| new DexItemFactory(), |
| new Reporter(testDiagnosticMessages)); |
| assertEquals(ClassSignature.noSignature(), parsed); |
| return testDiagnosticMessages; |
| } |
| } |