| // 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.classmerging.horizontal; |
| |
| import static com.android.tools.r8.DiagnosticsMatcher.diagnosticType; |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.hamcrest.core.IsNot.not; |
| |
| import com.android.tools.r8.NeverClassInline; |
| import com.android.tools.r8.OutputMode; |
| import com.android.tools.r8.R8TestCompileResult; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import com.android.tools.r8.errors.UnsupportedMainDexListUsageDiagnostic; |
| import com.android.tools.r8.utils.codeinspector.CodeInspector; |
| import java.nio.file.Path; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| @RunWith(Parameterized.class) |
| public class PreventMergeMainDexListTest extends HorizontalClassMergingTestBase { |
| public PreventMergeMainDexListTest(TestParameters parameters) { |
| super(parameters); |
| } |
| |
| @Parameterized.Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters() |
| .withDexRuntimes() |
| .withApiLevelsEndingAtExcluding(apiLevelWithNativeMultiDexSupport()) |
| .build(); |
| } |
| |
| // TODO(b/181858113): This test is likely obsolete once main-dex-list support is removed. |
| // Ensure the main-dex-rules variant of this test (PreventMergeMainDexTracingTest) is sufficient. |
| @Test |
| public void testR8() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(getClass()) |
| .addKeepClassAndMembersRules(Main.class) |
| .addMainDexListClasses(A.class, Main.class) |
| .addOptionsModification(options -> options.minimalMainDex = true) |
| .enableNeverClassInliningAnnotations() |
| .setMinApi(parameters.getApiLevel()) |
| .allowDiagnosticMessages() |
| .compileWithExpectedDiagnostics( |
| diagnostics -> |
| diagnostics |
| .assertOnlyWarnings() |
| .assertWarningsMatch( |
| diagnosticType(UnsupportedMainDexListUsageDiagnostic.class))) |
| .apply(this::checkCompileResult) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLines("main dex"); |
| } |
| |
| private void checkCompileResult(R8TestCompileResult compileResult) throws Exception { |
| Path out = temp.newFolder().toPath(); |
| compileResult.app.writeToDirectory(out, OutputMode.DexIndexed); |
| Path classes = out.resolve("classes.dex"); |
| Path classes2 = out.resolve("classes2.dex"); |
| inspectMainDex(new CodeInspector(classes, compileResult.getProguardMap())); |
| inspectSecondaryDex(new CodeInspector(classes2, compileResult.getProguardMap())); |
| } |
| |
| private void inspectMainDex(CodeInspector inspector) { |
| assertThat(inspector.clazz(A.class), isPresent()); |
| assertThat(inspector.clazz(B.class), not(isPresent())); |
| } |
| |
| private void inspectSecondaryDex(CodeInspector inspector) { |
| assertThat(inspector.clazz(A.class), not(isPresent())); |
| assertThat(inspector.clazz(B.class), isPresent()); |
| } |
| |
| public static class Main { |
| public static void main(String[] args) { |
| A a = new A(); |
| } |
| |
| public static void otherDex() { |
| B b = new B(); |
| } |
| } |
| |
| @NeverClassInline |
| public static class A { |
| public A() { |
| System.out.println("main dex"); |
| } |
| } |
| |
| @NeverClassInline |
| public static class B { |
| public B() { |
| System.out.println("not main dex"); |
| } |
| } |
| } |