| // Copyright (c) 2021, 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.apimodel; |
| |
| import static org.hamcrest.CoreMatchers.containsString; |
| import static org.hamcrest.CoreMatchers.not; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.Parameterized.Parameter; |
| import org.junit.runners.Parameterized.Parameters; |
| |
| @RunWith(Parameterized.class) |
| /** |
| * A simple test showing that adding a program class as a duplicate for a bootclasspath class for |
| * dalvik causes an error where the referencing class cannot be optimized (b/208978971). |
| */ |
| public class DuplicateClassTest extends TestBase { |
| |
| @Parameter() public TestParameters parameters; |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withDexRuntimes().withAllApiLevels().build(); |
| } |
| |
| @Test |
| public void testRuntime() throws Exception { |
| testForD8(parameters.getBackend()) |
| .addProgramClassFileData( |
| transformer(Main.class).removeInnerClasses().transform(), |
| transformer(Foo.class) |
| .setClassDescriptor("Ljava/lang/Exception;") |
| .removeInnerClasses() |
| .transform()) |
| .setMinApi(parameters.getApiLevel()) |
| .compile() |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLines("Hello World") |
| .applyIf( |
| parameters.getDexRuntimeVersion().isDalvik(), |
| result -> |
| assertThat( |
| result.getStdErr(), |
| containsString( |
| "DexOpt: not resolving ambiguous class 'Ljava/lang/Exception;'")), |
| result -> |
| assertThat( |
| result.getStdErr(), |
| not(containsString("not resolving ambiguous class 'Ljava/lang/Exception;'")))); |
| } |
| |
| public static class Main { |
| |
| public static void main(String[] args) { |
| Exception exception = new Exception("Hello World"); |
| System.out.println(exception.getMessage()); |
| } |
| } |
| |
| public static class /* java.lang.Exception */ Foo {} |
| } |