| // Copyright (c) 2019, 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.desugaredlibrary.conversiontests; |
| |
| import static junit.framework.TestCase.assertTrue; |
| |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.desugar.desugaredlibrary.DesugaredLibraryTestBase; |
| import com.android.tools.r8.utils.AndroidApiLevel; |
| import com.android.tools.r8.utils.BooleanUtils; |
| import com.android.tools.r8.utils.StringUtils; |
| import com.android.tools.r8.utils.codeinspector.CodeInspector; |
| import com.android.tools.r8.utils.codeinspector.MethodSubject; |
| import java.time.ZoneId; |
| import java.util.List; |
| import java.util.TimeZone; |
| 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 BasicTimeConversionTest extends DesugaredLibraryTestBase { |
| |
| private final TestParameters parameters; |
| private final boolean shrinkDesugaredLibrary; |
| private static final String GMT = StringUtils.lines("GMT"); |
| |
| @Parameters(name = "{0}, shrinkDesugaredLibrary: {1}") |
| public static List<Object[]> data() { |
| return buildParameters( |
| getConversionParametersUpToExcluding(AndroidApiLevel.O), BooleanUtils.values()); |
| } |
| |
| public BasicTimeConversionTest(TestParameters parameters, boolean shrinkDesugaredLibrary) { |
| this.shrinkDesugaredLibrary = shrinkDesugaredLibrary; |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void testRewrittenAPICallsD8() throws Exception { |
| KeepRuleConsumer keepRuleConsumer = createKeepRuleConsumer(parameters); |
| testForD8() |
| .setMinApi(parameters.getApiLevel()) |
| .addInnerClasses(BasicTimeConversionTest.class) |
| .enableCoreLibraryDesugaring(parameters.getApiLevel(), keepRuleConsumer) |
| .compile() |
| .addDesugaredCoreLibraryRunClassPath( |
| this::buildDesugaredLibrary, |
| parameters.getApiLevel(), |
| keepRuleConsumer.get(), |
| shrinkDesugaredLibrary) |
| .inspect(this::checkAPIRewritten) |
| .run(parameters.getRuntime(), Executor.class) |
| .assertSuccessWithOutput(GMT); |
| if (shrinkDesugaredLibrary) { |
| checkKeepRules(keepRuleConsumer.get()); |
| } |
| } |
| |
| private void checkKeepRules(String keepRules) { |
| assertTrue(keepRules.contains("TimeConversion")); |
| } |
| |
| @Test |
| public void testRewrittenAPICallsR8() throws Exception { |
| KeepRuleConsumer keepRuleConsumer = createKeepRuleConsumer(parameters); |
| testForR8(parameters.getBackend()) |
| .setMinApi(parameters.getApiLevel()) |
| .addKeepMainRule(Executor.class) |
| .addInnerClasses(BasicTimeConversionTest.class) |
| .enableCoreLibraryDesugaring(parameters.getApiLevel(), keepRuleConsumer) |
| .compile() |
| .addDesugaredCoreLibraryRunClassPath( |
| this::buildDesugaredLibrary, |
| parameters.getApiLevel(), |
| keepRuleConsumer.get(), |
| shrinkDesugaredLibrary) |
| .run(parameters.getRuntime(), Executor.class) |
| .assertSuccessWithOutput(GMT); |
| if (shrinkDesugaredLibrary) { |
| checkKeepRules(keepRuleConsumer.get()); |
| } |
| } |
| |
| private void checkAPIRewritten(CodeInspector inspector) { |
| MethodSubject mainMethod = inspector.clazz(Executor.class).uniqueMethodWithName("main"); |
| // Check the API calls are not using j$ types. |
| assertTrue( |
| mainMethod |
| .streamInstructions() |
| .anyMatch( |
| instr -> |
| instr.isInvokeStatic() |
| && instr.getMethod().name.toString().equals("getTimeZone") |
| && instr |
| .getMethod() |
| .proto |
| .parameters |
| .values[0] |
| .toString() |
| .equals("java.time.ZoneId"))); |
| assertTrue( |
| mainMethod |
| .streamInstructions() |
| .anyMatch( |
| instr -> |
| instr.isInvokeVirtual() |
| && instr.getMethod().name.toString().equals("toZoneId") |
| && instr |
| .getMethod() |
| .proto |
| .returnType |
| .toString() |
| .equals("java.time.ZoneId"))); |
| // Check the conversion instructions are present. |
| assertTrue( |
| mainMethod |
| .streamInstructions() |
| .anyMatch( |
| instr -> |
| instr.isInvokeStatic() |
| && instr.getMethod().name.toString().equals("convert") |
| && instr |
| .getMethod() |
| .proto |
| .parameters |
| .values[0] |
| .toString() |
| .equals("j$.time.ZoneId"))); |
| assertTrue( |
| mainMethod |
| .streamInstructions() |
| .anyMatch( |
| instr -> |
| instr.isInvokeStatic() |
| && instr.getMethod().name.toString().equals("convert") |
| && instr |
| .getMethod() |
| .proto |
| .parameters |
| .values[0] |
| .toString() |
| .equals("java.time.ZoneId"))); |
| } |
| |
| static class Executor { |
| public static void main(String[] args) { |
| ZoneId zoneId = ZoneId.systemDefault(); |
| // Following is a call where java.time.ZoneId is a parameter type (getTimeZone()). |
| TimeZone timeZone = TimeZone.getTimeZone(zoneId); |
| // Following is a call where java.time.ZoneId is a return type (toZoneId()). |
| System.out.println(timeZone.toZoneId().getId()); |
| } |
| } |
| } |