| // 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.resolution.access.indirectfield; |
| |
| import static org.junit.Assert.assertTrue; |
| |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import com.android.tools.r8.TestRunResult; |
| import com.android.tools.r8.graph.AccessControl; |
| import com.android.tools.r8.graph.AppView; |
| import com.android.tools.r8.graph.DexClass; |
| import com.android.tools.r8.graph.DexEncodedField; |
| import com.android.tools.r8.graph.DexField; |
| import com.android.tools.r8.graph.DexProgramClass; |
| import com.android.tools.r8.references.Reference; |
| import com.android.tools.r8.resolution.access.indirectfield.pkg.C; |
| import com.android.tools.r8.shaking.AppInfoWithLiveness; |
| import com.android.tools.r8.utils.StringUtils; |
| import com.google.common.collect.ImmutableList; |
| import java.util.List; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| @RunWith(Parameterized.class) |
| public class IndirectFieldAccessTest extends TestBase { |
| |
| static final String EXPECTED = StringUtils.lines("42"); |
| |
| private final TestParameters parameters; |
| |
| @Parameterized.Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimesAndApiLevels().build(); |
| } |
| |
| public IndirectFieldAccessTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| public List<Class<?>> getClasses() { |
| return ImmutableList.of(Main.class, A.class, B.class, C.class); |
| } |
| |
| @Test |
| public void testResolutionAccess() throws Exception { |
| AppView<AppInfoWithLiveness> appView = |
| computeAppViewWithLiveness(readClasses(getClasses()), Main.class); |
| AppInfoWithLiveness appInfo = appView.appInfo(); |
| DexProgramClass cClass = |
| appInfo.definitionFor(buildType(C.class, appInfo.dexItemFactory())).asProgramClass(); |
| DexField f = |
| buildField( |
| // Reflecting on B.class.getField("f") will give A.f, so manually create the reference. |
| Reference.field(Reference.classFromClass(B.class), "f", Reference.INT), |
| appInfo.dexItemFactory()); |
| DexClass initialResolutionHolder = appInfo.definitionFor(f.holder); |
| DexEncodedField resolutionTarget = appInfo.resolveField(f); |
| // TODO(b/145723539): Test access via the resolution result once possible. |
| assertTrue( |
| AccessControl.isFieldAccessible( |
| resolutionTarget, initialResolutionHolder, cClass, appInfo)); |
| } |
| |
| @Test |
| public void test() throws Exception { |
| testForRuntime(parameters) |
| .addProgramClasses(getClasses()) |
| .run(parameters.getRuntime(), Main.class) |
| .disassemble() |
| .apply(this::checkExpectedResult); |
| } |
| |
| @Test |
| public void testR8() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addProgramClasses(getClasses()) |
| .setMinApi(parameters.getApiLevel()) |
| .addKeepMainRule(Main.class) |
| .run(parameters.getRuntime(), Main.class) |
| .apply(this::checkExpectedResult); |
| } |
| |
| private void checkExpectedResult(TestRunResult<?> result) { |
| result.assertSuccessWithOutput(EXPECTED); |
| } |
| |
| /* non-public */ static class A { |
| public int f = 42; |
| } |
| |
| public static class B extends A { |
| // Intentionally emtpy. |
| // Provides access to A.f from outside this package, eg, from pkg.C::bar(). |
| } |
| |
| static class Main { |
| public static void main(String[] args) { |
| new C().bar(); |
| } |
| } |
| } |