| // 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 com.google.common.base.Predicates.alwaysTrue; |
| import static org.hamcrest.CoreMatchers.containsString; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.assertTrue; |
| |
| 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.FieldTypeSignature; |
| import com.android.tools.r8.graph.GenericSignaturePrinter; |
| import com.android.tools.r8.graph.GenericSignatureTypeRewriter; |
| import com.android.tools.r8.naming.NamingLens; |
| import com.android.tools.r8.origin.Origin; |
| import com.android.tools.r8.utils.Reporter; |
| import java.util.function.Function; |
| 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 FieldSignatureTest extends TestBase { |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withNoneRuntime().build(); |
| } |
| |
| public FieldSignatureTest(TestParameters parameters) { |
| parameters.assertNoneRuntime(); |
| } |
| |
| @Test |
| public void testClass() { |
| testParsingAndPrintingEqual("Lfoo/bar/baz;"); |
| } |
| |
| @Test |
| public void testMissingSemicolon() { |
| testParsingAndPrintingError("Lfoo/bar/baz") |
| .assertAllErrorsMatch( |
| diagnosticMessage(containsString("Invalid signature 'Lfoo/bar/baz;' for field A."))); |
| } |
| |
| @Test |
| public void testClassWithEmptyTypeArguments() { |
| testParsingAndPrintingError("Lfoo/bar/baz<>;") |
| .assertAllErrorsMatch( |
| diagnosticMessage(containsString("Invalid signature 'Lfoo/bar/baz;' for field A."))); |
| } |
| |
| @Test |
| public void testClassWithTypeVariableArguments() { |
| testParsingAndPrintingEqual("Lfoo/bar/baz<TT;>;"); |
| } |
| |
| @Test |
| public void testTypeVariable() { |
| testParsingAndPrintingEqual("TT;"); |
| } |
| |
| @Test |
| public void testPrimitive() { |
| testParsingAndPrintingError("I") |
| .assertAllErrorsMatch( |
| diagnosticMessage(containsString("Invalid signature 'I' for field A."))); |
| } |
| |
| @Test |
| public void testArray() { |
| testParsingAndPrintingEqual("[I"); |
| testParsingAndPrintingEqual("[Lfoo/bar/baz;"); |
| } |
| |
| @Test |
| public void testArrayWithGeneric() { |
| testParsingAndPrintingEqual("[Lfoo/bar/baz<[I+Lfoo/Qux<*>.Inner<-Lfoo/Quux<TT;>;>;>;"); |
| } |
| |
| private void testParsingAndPrintingEqual(String signature) { |
| FieldTypeSignature parsed = |
| GenericSignature.parseFieldTypeSignature( |
| "A", signature, Origin.unknown(), new DexItemFactory(), new Reporter()); |
| GenericSignaturePrinter genericSignaturePrinter = |
| new GenericSignaturePrinter(NamingLens.getIdentityLens(), alwaysFalse()); |
| genericSignaturePrinter.visitFieldTypeSignature(parsed); |
| String outSignature = genericSignaturePrinter.toString(); |
| assertEquals(signature, outSignature); |
| } |
| |
| private TestDiagnosticMessages testParsingAndPrintingError(String signature) { |
| TestDiagnosticMessagesImpl testDiagnosticMessages = new TestDiagnosticMessagesImpl(); |
| FieldTypeSignature parsed = |
| GenericSignature.parseFieldTypeSignature( |
| "A", |
| signature, |
| Origin.unknown(), |
| new DexItemFactory(), |
| new Reporter(testDiagnosticMessages)); |
| assertEquals(FieldTypeSignature.noSignature(), parsed); |
| return testDiagnosticMessages; |
| } |
| |
| @Test |
| public void testPruningNullTest() { |
| DexItemFactory factory = new DexItemFactory(); |
| FieldTypeSignature parsed = |
| GenericSignature.parseFieldTypeSignature( |
| "A", "Lfoo/bar/Baz;", Origin.unknown(), factory, new Reporter()); |
| assertTrue(parsed.hasSignature()); |
| GenericSignatureTypeRewriter rewriter = |
| new GenericSignatureTypeRewriter( |
| factory, alwaysTrue(), Function.identity(), null, alwaysTrue()); |
| FieldTypeSignature rewrittenType = rewriter.rewrite(parsed); |
| assertNotNull(rewrittenType); |
| assertTrue(rewrittenType.hasNoSignature()); |
| } |
| } |