| // Copyright (c) 2023, 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.desugar.backports; |
| |
| import static com.android.tools.r8.DiagnosticsMatcher.diagnosticMessage; |
| import static com.android.tools.r8.DiagnosticsMatcher.diagnosticPosition; |
| import static com.android.tools.r8.DiagnosticsMatcher.diagnosticType; |
| import static org.hamcrest.CoreMatchers.allOf; |
| import static org.hamcrest.CoreMatchers.containsString; |
| import static org.junit.Assert.assertEquals; |
| |
| import com.android.tools.r8.CompilationFailedException; |
| import com.android.tools.r8.PositionMatcher; |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestDiagnosticMessages; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import com.android.tools.r8.desugar.backports.AbstractBackportTest.MiniAssert; |
| import com.android.tools.r8.errors.BackportDiagnostic; |
| import com.android.tools.r8.utils.AndroidApiLevel; |
| import com.android.tools.r8.utils.StringUtils; |
| import com.google.common.collect.ImmutableList; |
| import java.util.List; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| @RunWith(Parameterized.class) |
| public class BackportPlatformTest extends TestBase { |
| |
| static final String EXPECTED = StringUtils.lines("Hello, world"); |
| |
| static final List<Class<?>> CLASSES = |
| ImmutableList.of(MiniAssert.class, TestClass.class, User.class); |
| |
| private final TestParameters parameters; |
| |
| @Parameterized.Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withDefaultDexRuntime().withApiLevel(AndroidApiLevel.J).build(); |
| } |
| |
| public BackportPlatformTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void testR8() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addProgramClasses(CLASSES) |
| .addKeepMainRule(TestClass.class) |
| .addKeepClassAndMembersRules(MiniAssert.class) |
| .setMinApi(parameters) |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertSuccessWithOutput(EXPECTED); |
| } |
| |
| @Test |
| public void testD8() throws Exception { |
| testForD8(parameters.getBackend()) |
| .addProgramClasses(CLASSES) |
| .setMinApi(parameters) |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertSuccessWithOutput(EXPECTED); |
| } |
| |
| @Test(expected = CompilationFailedException.class) |
| public void testPlatformR8() throws Exception { |
| testForR8(parameters.getBackend()) |
| .apply(b -> b.getBuilder().setAndroidPlatformBuild(true)) |
| .addOptionsModification(o -> o.disableBackportsWithErrorDiagnostics = true) |
| .addProgramClasses(CLASSES) |
| .addKeepMainRule(TestClass.class) |
| .addKeepClassAndMembersRules(MiniAssert.class) |
| .setMinApi(parameters) |
| .compileWithExpectedDiagnostics(this::checkDiagnostics); |
| } |
| |
| @Test(expected = CompilationFailedException.class) |
| public void testPlatformD8() throws Exception { |
| testForD8(parameters.getBackend()) |
| .apply(b -> b.getBuilder().setAndroidPlatformBuild(true)) |
| .addOptionsModification(o -> o.disableBackportsWithErrorDiagnostics = true) |
| .addProgramClasses(CLASSES) |
| .setMinApi(parameters) |
| .compileWithExpectedDiagnostics(this::checkDiagnostics); |
| } |
| |
| @Test |
| public void testPlatformDefinitionD8() throws Exception { |
| testForD8(parameters.getBackend()) |
| .apply(b -> b.getBuilder().setAndroidPlatformBuild(true)) |
| .addOptionsModification(o -> o.disableBackportsWithErrorDiagnostics = true) |
| .addProgramClasses(CLASSES) |
| .addProgramClassFileData( |
| transformer(BooleanDefinition.class) |
| .setClassDescriptor("Ljava/lang/Boolean;") |
| .transform()) |
| .setMinApi(parameters) |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertSuccessWithOutput(EXPECTED); |
| } |
| |
| @Test |
| public void testPlatformLevelD8() throws Exception { |
| assertEquals(AndroidApiLevel.J, parameters.getApiLevel()); |
| testForD8(parameters.getBackend()) |
| // Setting platform API will disable any error checking. |
| .setMinApi(AndroidApiLevel.ANDROID_PLATFORM) |
| .apply(b -> b.getBuilder().setAndroidPlatformBuild(true)) |
| .addOptionsModification(o -> o.disableBackportsWithErrorDiagnostics = true) |
| .addProgramClasses(CLASSES) |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertSuccessWithOutput(EXPECTED); |
| } |
| |
| private void checkDiagnostics(TestDiagnosticMessages diagnostics) { |
| diagnostics |
| .assertAllErrorsMatch( |
| allOf( |
| diagnosticType(BackportDiagnostic.class), |
| diagnosticMessage( |
| containsString("int java.lang.Boolean.compare(boolean, boolean)")), |
| diagnosticPosition(PositionMatcher.positionMethodName("testBooleanCompare")))) |
| .assertOnlyErrors(); |
| } |
| |
| // Implementation of java.lang.Boolean.compare to test no error is triggered for |
| // compilation units "defining" the backport method. |
| public static class BooleanDefinition { |
| public int compare(boolean a, boolean b) { |
| return (a ? 1 : 0) - (b ? 1 : 0); |
| } |
| } |
| |
| static class User { |
| |
| private static void testBooleanCompare() { |
| MiniAssert.assertTrue(Boolean.compare(true, false) > 0); |
| } |
| } |
| |
| static class TestClass { |
| |
| public static void main(String[] args) { |
| User.testBooleanCompare(); |
| System.out.println("Hello, world"); |
| } |
| } |
| } |