| // 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.shaking.keptgraph; |
| |
| import static com.android.tools.r8.references.Reference.classFromClass; |
| import static com.android.tools.r8.references.Reference.methodFromMethod; |
| import static org.junit.Assert.assertEquals; |
| |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.ToolHelper; |
| import com.android.tools.r8.references.MethodReference; |
| import com.android.tools.r8.utils.StringUtils; |
| import com.android.tools.r8.utils.graphinspector.GraphInspector; |
| import com.android.tools.r8.utils.graphinspector.GraphInspector.QueryNode; |
| import java.util.Arrays; |
| import java.util.Collection; |
| 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 KeptByTwoRulesTestRunner extends TestBase { |
| |
| private static final Class<?> CLASS = KeptByTwoRulesTest.class; |
| private static final Collection<Class<?>> CLASSES = Arrays.asList(CLASS); |
| |
| private final String EXPECTED = StringUtils.lines("called foo"); |
| |
| private final Backend backend; |
| |
| @Parameters(name = "{0}") |
| public static Backend[] data() { |
| return ToolHelper.getBackends(); |
| } |
| |
| public KeptByTwoRulesTestRunner(Backend backend) { |
| this.backend = backend; |
| } |
| |
| @Test |
| public void test() throws Exception { |
| MethodReference mainMethod = methodFromMethod(CLASS.getDeclaredMethod("main", String[].class)); |
| MethodReference fooMethod = methodFromMethod(CLASS.getDeclaredMethod("foo")); |
| |
| if (backend == Backend.CF) { |
| testForJvm().addProgramClasses(CLASSES).run(CLASS).assertSuccessWithOutput(EXPECTED); |
| } |
| |
| String keepPublicRule = "-keep @com.android.tools.r8.Keep class * { public *; }"; |
| String keepFooRule = "-keep class " + CLASS.getTypeName() + " { public void foo(); }"; |
| GraphInspector inspector = |
| testForR8(backend) |
| .enableGraphInspector() |
| .addProgramClasses(CLASSES) |
| .addKeepAnnotation() |
| .addKeepRules(keepPublicRule, keepFooRule) |
| .run(CLASS) |
| .assertSuccessWithOutput(EXPECTED) |
| .graphInspector(); |
| |
| assertEquals(2, inspector.getRoots().size()); |
| QueryNode keepPublic = inspector.rule(keepPublicRule).assertRoot(); |
| QueryNode keepFoo = inspector.rule(keepFooRule).assertRoot(); |
| |
| inspector |
| .method(mainMethod) |
| .assertNotRenamed() |
| .assertKeptBy(keepPublic) |
| .assertNotKeptBy(keepFoo); |
| |
| // Check foo is called from main and kept by two rules. |
| inspector |
| .method(fooMethod) |
| .assertNotRenamed() |
| .assertInvokedFrom(mainMethod) |
| .assertKeptBy(keepPublic) |
| .assertKeptBy(keepFoo); |
| |
| // Check the class is also kept by both rules. |
| inspector |
| .clazz(classFromClass(CLASS)) |
| .assertNotRenamed() |
| .assertKeptBy(keepPublic) |
| .assertKeptBy(keepFoo); |
| } |
| } |