| // 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.methodFromMethod; |
| import static org.junit.Assert.assertEquals; |
| |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.ToolHelper; |
| import com.android.tools.r8.origin.Origin; |
| import com.android.tools.r8.references.MethodReference; |
| import com.android.tools.r8.references.Reference; |
| 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 KeptByAnnotatedMethodTestRunner extends TestBase { |
| |
| private static final Class<?> CLASS = KeptByAnnotatedMethodTest.class; |
| private static final Class<?> INNER = KeptByAnnotatedMethodTest.Inner.class; |
| private static final Collection<Class<?>> CLASSES = Arrays.asList(CLASS, INNER); |
| |
| private final String EXPECTED = StringUtils.lines("called bar"); |
| |
| private final Backend backend; |
| |
| @Parameters(name = "{0}") |
| public static Backend[] data() { |
| return ToolHelper.getBackends(); |
| } |
| |
| public KeptByAnnotatedMethodTestRunner(Backend backend) { |
| this.backend = backend; |
| } |
| |
| @Test |
| public void testKeptMethod() throws Exception { |
| MethodReference mainMethod = methodFromMethod(CLASS.getDeclaredMethod("main", String[].class)); |
| MethodReference fooMethod = methodFromMethod(INNER.getDeclaredMethod("foo")); |
| MethodReference barMethod = methodFromMethod(INNER.getDeclaredMethod("bar")); |
| MethodReference bazMethod = methodFromMethod(INNER.getDeclaredMethod("baz")); |
| |
| if (backend == Backend.CF) { |
| testForJvm().addProgramClasses(CLASSES).run(CLASS).assertSuccessWithOutput(EXPECTED); |
| } |
| |
| Origin ruleOrigin = Origin.unknown(); |
| |
| String keepAnnotatedMethodsRule = "-keepclassmembers class * { @com.android.tools.r8.Keep *; }"; |
| String keepClassesOfAnnotatedMethodsRule = |
| "-keep,allowobfuscation class * { <init>(); @com.android.tools.r8.Keep *; }"; |
| GraphInspector inspector = |
| testForR8(backend) |
| .enableGraphInspector() |
| .enableInliningAnnotations() |
| .addProgramClasses(CLASSES) |
| .addKeepMainRule(CLASS) |
| .addKeepRules(keepAnnotatedMethodsRule, keepClassesOfAnnotatedMethodsRule) |
| .run(CLASS) |
| .assertSuccessWithOutput(EXPECTED) |
| .graphInspector(); |
| |
| assertEquals(2, inspector.getRoots().size()); |
| QueryNode keepMain = inspector.rule(ruleOrigin, 1, 1).assertRoot(); |
| QueryNode keepAnnotatedMethods = inspector.rule(keepAnnotatedMethodsRule).assertNotRoot(); |
| QueryNode keepClassesOfAnnotatedMethods = |
| inspector.rule(keepClassesOfAnnotatedMethodsRule).assertRoot(); |
| |
| inspector.method(mainMethod).assertNotRenamed().assertKeptBy(keepMain); |
| |
| // Check that Inner is allowed and is actually renamed. |
| inspector.clazz(Reference.classFromClass(INNER)).assertRenamed(); |
| |
| // Check bar is called from foo. |
| inspector.method(barMethod).assertRenamed().assertInvokedFrom(fooMethod); |
| |
| // Check foo *is not* called from main (it is reflectively accessed) and check that it is kept. |
| inspector |
| .method(fooMethod) |
| .assertNotRenamed() |
| .assertNotInvokedFrom(mainMethod) |
| .assertKeptBy(keepAnnotatedMethods) |
| .assertKeptBy(keepClassesOfAnnotatedMethods); |
| |
| // Check baz is removed. |
| inspector.method(bazMethod).assertAbsent(); |
| } |
| } |