| // Copyright (c) 2021, 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.records; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.utils.BooleanUtils; |
| import com.android.tools.r8.utils.StringUtils; |
| import com.android.tools.r8.utils.codeinspector.ClassSubject; |
| import com.android.tools.r8.utils.codeinspector.CodeInspector; |
| import java.nio.file.Path; |
| import java.util.List; |
| import org.junit.Assume; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| @RunWith(Parameterized.class) |
| public class RecordShrinkFieldTest extends TestBase { |
| |
| private static final String RECORD_NAME = "RecordShrinkField"; |
| private static final byte[][] PROGRAM_DATA = RecordTestUtils.getProgramData(RECORD_NAME); |
| private static final String MAIN_TYPE = RecordTestUtils.getMainType(RECORD_NAME); |
| |
| private static final String EXPECTED_RESULT_D8 = |
| StringUtils.lines( |
| "Person[unused=-1, name=Jane Doe, age=42]", "Person[unused=-1, name=Bob, age=42]"); |
| private static final String EXPECTED_RESULT_R8 = StringUtils.lines("a[a=Jane Doe]", "a[a=Bob]"); |
| private static final String EXPECTED_RESULT_R8_NO_MINIFICATION = |
| StringUtils.lines( |
| "RecordShrinkField$Person[name=Jane Doe]", "RecordShrinkField$Person[name=Bob]"); |
| |
| private final TestParameters parameters; |
| private final boolean minifying; |
| |
| public RecordShrinkFieldTest(TestParameters parameters, boolean minifying) { |
| this.parameters = parameters; |
| this.minifying = minifying; |
| } |
| |
| @Parameterized.Parameters(name = "{0}, minifying: {1}") |
| public static List<Object[]> data() { |
| return buildParameters( |
| getTestParameters().withDexRuntimes().withAllApiLevelsAlsoForCf().build(), |
| BooleanUtils.values()); |
| } |
| |
| @Test |
| public void testD8() throws Exception { |
| Assume.assumeTrue("Only valid in R8", minifying); |
| testForD8(parameters.getBackend()) |
| .addProgramClassFileData(PROGRAM_DATA) |
| .setMinApi(parameters) |
| .compile() |
| .run(parameters.getRuntime(), MAIN_TYPE) |
| .assertSuccessWithOutput(EXPECTED_RESULT_D8); |
| } |
| |
| @Test |
| public void testR8() throws Exception { |
| parameters.assumeR8TestParameters(); |
| testForR8(parameters.getBackend()) |
| .addProgramClassFileData(PROGRAM_DATA) |
| .setMinApi(parameters) |
| .addKeepMainRule(MAIN_TYPE) |
| .minification(minifying) |
| .compile() |
| .inspect(this::assertSingleField) |
| .run(parameters.getRuntime(), MAIN_TYPE) |
| .assertSuccessWithOutput( |
| minifying ? EXPECTED_RESULT_R8 : EXPECTED_RESULT_R8_NO_MINIFICATION); |
| } |
| |
| @Test |
| public void testR8CfThenDex() throws Exception { |
| parameters.assumeR8TestParameters(); |
| Path desugared = |
| testForR8(Backend.CF) |
| .addProgramClassFileData(PROGRAM_DATA) |
| .addKeepMainRule(MAIN_TYPE) |
| .minification(minifying) |
| .addLibraryFiles(RecordTestUtils.getJdk15LibraryFiles(temp)) |
| .compile() |
| .writeToZip(); |
| testForR8(parameters.getBackend()) |
| .addProgramFiles(desugared) |
| .setMinApi(parameters) |
| .addKeepMainRule(MAIN_TYPE) |
| .minification(minifying) |
| .compile() |
| .inspect(this::assertSingleField) |
| .run(parameters.getRuntime(), MAIN_TYPE) |
| .assertSuccessWithOutput( |
| minifying ? EXPECTED_RESULT_R8 : EXPECTED_RESULT_R8_NO_MINIFICATION); |
| } |
| |
| private void assertSingleField(CodeInspector inspector) { |
| ClassSubject recordClass = |
| inspector.clazz(minifying ? "records.a" : "records.RecordShrinkField$Person"); |
| assertEquals(1, recordClass.allInstanceFields().size()); |
| assertEquals( |
| "java.lang.String", recordClass.allInstanceFields().get(0).getField().type().toString()); |
| } |
| } |