| // 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.enumunboxing; |
| |
| import com.android.tools.r8.NeverInline; |
| import com.android.tools.r8.TestParameters; |
| import java.util.List; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.Parameterized.Parameter; |
| import org.junit.runners.Parameterized.Parameters; |
| |
| @RunWith(Parameterized.class) |
| public class EnumWithCheckNotNullUserUnboxingTest extends EnumUnboxingTestBase { |
| |
| @Parameter(0) |
| public EnumKeepRules enumKeepRules; |
| |
| @Parameter(1) |
| public TestParameters parameters; |
| |
| @Parameters(name = "{1}, keep: {0}") |
| public static List<Object[]> data() { |
| return buildParameters( |
| getAllEnumKeepRules(), getTestParameters().withAllRuntimesAndApiLevels().build()); |
| } |
| |
| @Test |
| public void test() throws Exception { |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(getClass()) |
| .addKeepMainRule(Main.class) |
| .addKeepRules(enumKeepRules.getKeepRules()) |
| .addEnumUnboxingInspector(inspector -> inspector.assertUnboxed(MyEnum.class)) |
| .enableInliningAnnotations() |
| .setMinApi(parameters.getApiLevel()) |
| .compile() |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLines( |
| "Passed null check (parameter args)", |
| "Passed null check (variable e)", |
| "Passed null check (variable e)", |
| "Passed null check (variable e)"); |
| } |
| |
| static class Main { |
| public static void main(String[] args) { |
| Checker.checkNotNull(args, "parameter args"); |
| for (MyEnum e : MyEnum.values()) { |
| Checker.checkNotNull(e, "variable e"); |
| } |
| } |
| } |
| |
| enum MyEnum { |
| A, |
| B, |
| C |
| } |
| |
| static class Checker { |
| |
| @NeverInline |
| static <T> T checkNotNull(T t, String msg) { |
| if (t != null) { |
| System.out.println("Passed null check (" + msg + ")"); |
| return t; |
| } |
| System.out.println("Expected non-null, got null (" + msg + ")"); |
| throw new RuntimeException(); |
| } |
| } |
| } |