| // 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.cf; |
| |
| import com.android.tools.r8.NeverInline; |
| import com.android.tools.r8.R8TestRunResult; |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import com.android.tools.r8.ToolHelper; |
| import com.android.tools.r8.utils.StringUtils; |
| import java.nio.file.Path; |
| import java.util.List; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| @RunWith(Parameterized.class) |
| public class MissingClassJoinsToObjectTest extends TestBase { |
| |
| static final String EXPECTED = StringUtils.lines("A::foo"); |
| |
| private final TestParameters parameters; |
| |
| @Parameterized.Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimes().withAllApiLevels().build(); |
| } |
| |
| public MissingClassJoinsToObjectTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| private List<Path> getRuntimeClasspath() throws Exception { |
| return buildOnDexRuntime(parameters, ToolHelper.getClassFileForTestClass(B.class)); |
| } |
| |
| @Test |
| public void testReference() throws Exception { |
| testForRuntime(parameters) |
| .addProgramClasses(TestClass.class, A.class, B.class) |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertSuccessWithOutput(EXPECTED); |
| } |
| |
| @Test |
| public void testR8() throws Exception { |
| R8TestRunResult result = |
| testForR8(parameters.getBackend()) |
| .enableInliningAnnotations() |
| .addProgramClasses(TestClass.class, A.class) |
| .addKeepMainRule(TestClass.class) |
| .addDontWarn(B.class) |
| .setMinApi(parameters.getApiLevel()) |
| .compile() |
| .addRunClasspathFiles(getRuntimeClasspath()) |
| .run(parameters.getRuntime(), TestClass.class); |
| if (parameters.isCfRuntime()) { |
| // TODO(b/154792347): The analysis of types in the presence of undefined is incomplete. |
| result.assertFailureWithErrorThatThrows(VerifyError.class); |
| } else { |
| result.assertSuccessWithOutput(EXPECTED); |
| } |
| } |
| |
| static class A { |
| @NeverInline |
| public void foo() { |
| System.out.println("A::foo"); |
| } |
| } |
| |
| // Missing at compile time. |
| static class B extends A { |
| // Intentionally empty. |
| } |
| |
| static class TestClass { |
| |
| public static void main(String[] args) { |
| // Due to the missing class B, the join is assigned Object. |
| A join = args.length == 0 ? new A() : new B(); |
| // The call to Object::foo fails. |
| join.foo(); |
| } |
| } |
| } |