| // 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.ir.optimize.canonicalization; |
| |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import com.google.common.collect.ImmutableList; |
| import java.io.PrintStream; |
| import java.nio.file.Path; |
| import java.util.List; |
| 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 SingletonCanonicalizationWithApiLevelCheckTest extends TestBase { |
| |
| private final TestParameters parameters; |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return TestBase.getTestParameters().withAllRuntimesAndApiLevels().build(); |
| } |
| |
| public SingletonCanonicalizationWithApiLevelCheckTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void test() throws Exception { |
| Path program = |
| testForR8(parameters.getBackend()) |
| .addProgramClasses(TestClass.class, Companion.class, A.class) |
| .addLibraryClasses(LibraryVersion.class, LibraryInterfaceAddedInApi1.class) |
| .addDefaultRuntimeLibrary(parameters) |
| .addKeepMainRule(TestClass.class) |
| .setMinApi(parameters.getApiLevel()) |
| .compile() |
| .writeToZip(); |
| |
| // Run with library version 1 that includes LibraryInterfaceAddedInApi1. |
| testForR8(parameters.getBackend()) |
| .addProgramClasses(LibraryVersion.class, LibraryInterfaceAddedInApi1.class) |
| .addKeepAllClassesRule() |
| .addKeepRules(getAssumeValuesRule(1)) |
| .setMinApi(parameters.getApiLevel()) |
| .compile() |
| .addRunClasspathFiles(program) |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertSuccessWithOutputLines("A"); |
| |
| // Run with library version 0 that does not include LibraryInterfaceAddedInApi1. |
| testForR8(parameters.getBackend()) |
| .addProgramClasses(LibraryVersion.class) |
| .addKeepAllClassesRule() |
| .addKeepRules(getAssumeValuesRule(0)) |
| .setMinApi(parameters.getApiLevel()) |
| .compile() |
| .addRunClasspathFiles(program) |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertSuccessWithEmptyOutput(); |
| } |
| |
| private List<String> getAssumeValuesRule(int version) { |
| return ImmutableList.of( |
| "-assumevalues class " + LibraryVersion.class.getTypeName() + " {", |
| " static int init() return " + version + ";", |
| "}"); |
| } |
| |
| public static class LibraryVersion { |
| |
| public static int SDK_INT = init(); |
| |
| private static int init() { |
| return 0; |
| } |
| } |
| |
| public interface LibraryInterfaceAddedInApi1 {} |
| |
| static class TestClass { |
| |
| public static void main(String[] args) { |
| if (LibraryVersion.SDK_INT >= 1) { |
| PrintStream out = System.out; |
| if (System.currentTimeMillis() > 0) { |
| out.println(Companion.INSTANCE); |
| } else { |
| out.print(Companion.INSTANCE); |
| } |
| } |
| } |
| } |
| |
| static class Companion { |
| |
| static A INSTANCE = new A(); |
| } |
| |
| static class A implements LibraryInterfaceAddedInApi1 { |
| |
| @Override |
| public String toString() { |
| return "A"; |
| } |
| } |
| } |