| // Copyright (c) 2018 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.shaking; |
| |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isRenamed; |
| import static junit.framework.TestCase.assertEquals; |
| import static org.hamcrest.CoreMatchers.containsString; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| |
| import com.android.tools.r8.DexIndexedConsumer; |
| import com.android.tools.r8.OutputMode; |
| import com.android.tools.r8.R8Command; |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.ToolHelper; |
| import com.android.tools.r8.ToolHelper.ProcessResult; |
| import com.android.tools.r8.VmTestRunner; |
| import com.android.tools.r8.origin.Origin; |
| import com.android.tools.r8.utils.AndroidApp; |
| import com.android.tools.r8.utils.codeinspector.ClassSubject; |
| import com.android.tools.r8.utils.codeinspector.CodeInspector; |
| import com.google.common.collect.ImmutableList; |
| import java.nio.file.Path; |
| import java.util.List; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| class B112517039ReturnType extends Exception { |
| } |
| |
| interface B112517039I { |
| B112517039ReturnType m(); |
| void flaf(Exception e); |
| } |
| |
| class B112517039Caller { |
| public void call(B112517039I i) { |
| System.out.println("Ewwo!"); |
| i.flaf(i.m()); |
| } |
| } |
| |
| class B112517039Main { |
| public static void main(String[] args) { |
| try { |
| B112517039Caller caller = new B112517039Caller(); |
| caller.call(null); |
| } catch (NullPointerException e) { |
| System.out.println("NullPointerException"); |
| } |
| } |
| } |
| |
| @RunWith(VmTestRunner.class) |
| public class ReturnTypeTest extends TestBase { |
| @Test |
| public void testFromJavac() throws Exception { |
| String mainName = B112517039Main.class.getCanonicalName(); |
| ProcessResult javaResult = ToolHelper.runJava(ToolHelper.getClassPathForTests(), mainName); |
| assertEquals(0, javaResult.exitCode); |
| assertThat(javaResult.stdout, containsString("Ewwo!")); |
| assertThat(javaResult.stdout, containsString("NullPointerException")); |
| |
| List<String> config = ImmutableList.of( |
| "-printmapping", |
| "-keep class " + mainName + " {", |
| " public static void main(...);", |
| "}" |
| ); |
| R8Command.Builder builder = R8Command.builder(); |
| builder.addProgramFiles(ToolHelper.getClassFilesForTestDirectory( |
| ToolHelper.getPackageDirectoryForTestPackage(B112517039Main.class.getPackage()), |
| path -> path.getFileName().toString().startsWith("B112517039"))); |
| builder.setProgramConsumer(DexIndexedConsumer.emptyConsumer()); |
| builder.setMinApiLevel(ToolHelper.getMinApiLevelForDexVm().getLevel()); |
| builder.addProguardConfiguration(config, Origin.unknown()); |
| AndroidApp processedApp = ToolHelper.runR8(builder.build(), options -> { |
| options.enableInlining = false; |
| }); |
| |
| Path outDex = temp.getRoot().toPath().resolve("dex.zip"); |
| processedApp.writeToZip(outDex, OutputMode.DexIndexed); |
| ProcessResult artResult = ToolHelper.runArtNoVerificationErrorsRaw(outDex.toString(), mainName); |
| assertEquals(0, artResult.exitCode); |
| assertThat(javaResult.stdout, containsString("Ewwo!")); |
| assertThat(javaResult.stdout, containsString("NullPointerException")); |
| |
| CodeInspector inspector = new CodeInspector(processedApp); |
| ClassSubject returnType = inspector.clazz(B112517039ReturnType.class); |
| assertThat(returnType, isRenamed()); |
| } |
| } |