| // 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.reflection; |
| |
| import static org.junit.Assert.assertTrue; |
| |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import com.android.tools.r8.dexsplitter.SplitterTestBase; |
| import com.android.tools.r8.references.Reference; |
| import com.google.common.collect.ImmutableSet; |
| import java.nio.file.Path; |
| 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 TestClassForNameWhenSplit extends TestBase { |
| |
| private final TestParameters parameters; |
| private final String EXPECTED = "caught"; |
| |
| @Parameters(name="{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withDexRuntimes().withAllApiLevels().build(); |
| } |
| |
| public TestClassForNameWhenSplit(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void testClassNotFound() throws Exception { |
| testForRuntime(parameters) |
| .addProgramClasses(Main.class) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLines(EXPECTED); |
| } |
| |
| @Test |
| public void testClassForNameIsKeept() throws Exception { |
| Path featurePath = temp.newFile("feature1.zip").toPath(); |
| testForR8(parameters.getBackend()) |
| .addProgramClasses(Main.class) |
| .setMinApi(parameters.getApiLevel()) |
| .addFeatureSplit( |
| builder -> |
| SplitterTestBase.simpleSplitProvider( |
| builder, featurePath, temp, Foobar.class)) |
| .addKeepMainRule(Main.class) |
| .addKeepClassRules(Foobar.class) |
| .compile() |
| .disassemble() |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLines(EXPECTED); |
| } |
| |
| public static class Main { |
| |
| public static void main(String[] args) { |
| try { |
| foo(); |
| } catch (ClassNotFoundException e) { |
| System.out.println("caught"); |
| } catch (IllegalAccessException e) { |
| System.out.println("illegal access"); |
| } catch (InstantiationException e) { |
| System.out.println("instantiation exception"); |
| } |
| } |
| |
| private static void foo() |
| throws ClassNotFoundException, IllegalAccessException, InstantiationException { |
| try { |
| // Ensure cl init has been assumed triggered |
| new Foobar(); |
| } catch (NoClassDefFoundError e) { } |
| // It is not valid to replace this with just classForName, even if we see that there is only |
| // a trivial clinit or the fact that we have already triggered it above. |
| Class<?> foobar = |
| Class.forName("com.android.tools.r8.reflection.TestClassForNameWhenSplit$Foobar"); |
| foobar.newInstance(); |
| } |
| } |
| |
| public static class Foobar { |
| public Foobar() { |
| if (System.currentTimeMillis() < 2) { |
| System.out.println("A long time ago, in a galaxy far far away"); |
| } |
| } |
| } |
| } |