| // 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.kotlin.metadata; |
| |
| import static com.android.tools.r8.KotlinCompilerTool.KotlinCompilerVersion.KOTLINC_1_4_20; |
| import static com.android.tools.r8.KotlinCompilerTool.KotlinCompilerVersion.MIN_SUPPORTED_VERSION; |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent; |
| import static junit.framework.TestCase.assertEquals; |
| import static org.hamcrest.CoreMatchers.not; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| |
| import com.android.tools.r8.KotlinTestParameters; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.utils.DescriptorUtils; |
| import com.android.tools.r8.utils.StringUtils; |
| import com.android.tools.r8.utils.codeinspector.ClassSubject; |
| import com.android.tools.r8.utils.codeinspector.CodeInspector; |
| import com.android.tools.r8.utils.codeinspector.KmClassSubject; |
| import java.nio.file.Path; |
| import java.util.Collection; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| @RunWith(Parameterized.class) |
| public class MetadataRewritePrunedObjectsTest extends KotlinMetadataTestBase { |
| |
| private final String EXPECTED = StringUtils.lines("42", "0", "Goodbye World"); |
| private static final String PKG_LIB = PKG + ".pruned_lib"; |
| private static final String PKG_APP = PKG + ".pruned_app"; |
| |
| private static final KotlinCompileMemoizer libJars = |
| getCompileMemoizer( |
| getKotlinFileInTest(DescriptorUtils.getBinaryNameFromJavaType(PKG_LIB), "lib")); |
| private final TestParameters parameters; |
| |
| @Parameterized.Parameters(name = "{0}, {1}") |
| public static Collection<Object[]> data() { |
| return buildParameters( |
| getTestParameters().withCfRuntimes().build(), |
| getKotlinTestParameters() |
| .withCompilersStartingFromIncluding(MIN_SUPPORTED_VERSION) |
| .withAllTargetVersions() |
| .build()); |
| } |
| |
| public MetadataRewritePrunedObjectsTest( |
| TestParameters parameters, KotlinTestParameters kotlinParameters) { |
| super(kotlinParameters); |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void smokeTest() throws Exception { |
| Path libJar = libJars.getForConfiguration(kotlinc, targetVersion); |
| Path output = |
| kotlinc(parameters.getRuntime().asCf(), kotlinc, targetVersion) |
| .addClasspathFiles(libJar) |
| .addSourceFiles( |
| getKotlinFileInTest(DescriptorUtils.getBinaryNameFromJavaType(PKG_APP), "main")) |
| .setOutputPath(temp.newFolder().toPath()) |
| .compile(); |
| testForJvm(parameters) |
| .addRunClasspathFiles(kotlinc.getKotlinStdlibJar(), libJar) |
| .addClasspath(output) |
| .run(parameters.getRuntime(), PKG_APP + ".MainKt") |
| .assertSuccessWithOutput(EXPECTED); |
| } |
| |
| @Test |
| public void testMetadataForLib() throws Exception { |
| Path libJar = |
| testForR8(parameters.getBackend()) |
| .addProgramFiles(libJars.getForConfiguration(kotlinc, targetVersion)) |
| .addClasspathFiles(kotlinc.getKotlinStdlibJar(), kotlinc.getKotlinAnnotationJar()) |
| .addKeepRules( |
| "-keep class " + PKG_LIB + ".Sub { <init>(); *** kept(); *** keptProperty; }") |
| .addKeepRules("-neverinline class * { @" + PKG_LIB + ".NeverInline *; }") |
| .addKeepClassAndMembersRules(PKG_LIB + ".SubUser") |
| .addKeepRuntimeVisibleAnnotations() |
| .enableProguardTestOptions() |
| .addDontObfuscate() |
| .compile() |
| .inspect(this::checkPruned) |
| .writeToZip(); |
| Path output = |
| kotlinc(parameters.getRuntime().asCf(), kotlinc, targetVersion) |
| .addClasspathFiles(libJar) |
| .addSourceFiles( |
| getKotlinFileInTest(DescriptorUtils.getBinaryNameFromJavaType(PKG_APP), "main")) |
| .compile(kotlinParameters.isOlderThan(KOTLINC_1_4_20)); |
| if (kotlinParameters.isOlderThan(KOTLINC_1_4_20)) { |
| return; |
| } |
| testForJvm(parameters) |
| .addRunClasspathFiles(kotlinc.getKotlinStdlibJar(), libJar) |
| .addProgramFiles(output) |
| .run(parameters.getRuntime(), PKG_APP + ".MainKt") |
| .assertSuccessWithOutput(EXPECTED); |
| } |
| |
| private void checkPruned(CodeInspector inspector) { |
| ClassSubject base = inspector.clazz(PKG_LIB + ".Base"); |
| assertThat(base, not(isPresent())); |
| ClassSubject sub = inspector.clazz(PKG_LIB + ".Sub"); |
| assertThat(sub, isPresent()); |
| KmClassSubject kmClass = sub.getKmClass(); |
| assertThat(kmClass, isPresent()); |
| assertEquals(0, kmClass.getSuperTypes().size()); |
| // Ensure that we do not prune the constructors. |
| assertEquals(1, kmClass.getConstructors().size()); |
| // Assert that we have removed the metadata for a function that is removed. |
| assertThat(kmClass.kmFunctionWithUniqueName("notKept"), not(isPresent())); |
| assertThat(kmClass.kmFunctionWithUniqueName("keptWithoutPinning"), not(isPresent())); |
| // Check that we have not pruned the property information for a kept field. |
| assertThat(kmClass.kmPropertyWithUniqueName("keptProperty"), isPresent()); |
| assertThat(kmClass.kmPropertyWithUniqueName("notExposedProperty"), not(isPresent())); |
| } |
| } |