| // 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.ir.optimize.checkcast; |
| |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import com.android.tools.r8.utils.StringUtils; |
| import org.junit.Assume; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| @RunWith(Parameterized.class) |
| public class CheckCastInterfaceArrayTest extends TestBase { |
| |
| private static String EXPECTED = StringUtils.lines("A", "B"); |
| |
| private final TestParameters parameters; |
| |
| @Parameterized.Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimes().withAllApiLevels().build(); |
| } |
| |
| public CheckCastInterfaceArrayTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void testJvmAndD8() throws Exception { |
| if (parameters.isCfRuntime()) { |
| testForJvm() |
| .addInnerClasses(CheckCastInterfaceArrayTest.class) |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertSuccessWithOutput(EXPECTED); |
| } else { |
| testForD8() |
| .addInnerClasses(CheckCastInterfaceArrayTest.class) |
| .setMinApi(parameters.getApiLevel()) |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertSuccessWithOutput(EXPECTED); |
| } |
| } |
| |
| @Test |
| public void testR8() throws Exception { |
| Assume.assumeTrue("b/129410384", parameters.isCfRuntime()); |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(CheckCastInterfaceArrayTest.class) |
| .addKeepMainRule(TestClass.class) |
| .setMinApi(parameters.getApiLevel()) |
| .noMinification() |
| .noTreeShaking() |
| .compile() |
| .run(parameters.getRuntime(), TestClass.class) |
| .assertSuccessWithOutput(EXPECTED); |
| } |
| |
| interface I { |
| int id(); |
| } |
| |
| enum A implements I { |
| A; |
| static final int id = 0; |
| |
| @Override |
| public int id() { |
| return id; |
| } |
| } |
| |
| enum B implements I { |
| B; |
| static final int id = 1; |
| |
| @Override |
| public int id() { |
| return id; |
| } |
| } |
| |
| static class TestClass { |
| |
| public static I[] get(I kind) { |
| // Work around the ART bug by inserting an explicit check cast (fortunately javac keeps it). |
| return (I[]) (kind.id() == A.id ? A.values() : B.values()); |
| } |
| |
| public static void main(String[] args) { |
| for (I i : get(A.A)) { |
| System.out.println(i); |
| } |
| for (I i : get(B.B)) { |
| System.out.println(i); |
| } |
| } |
| } |
| } |