| // 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 static org.junit.Assert.assertEquals; |
| |
| import com.android.tools.r8.NeverClassInline; |
| import com.android.tools.r8.NeverInline; |
| import com.android.tools.r8.R8TestCompileResult; |
| import com.android.tools.r8.R8TestRunResult; |
| 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.Parameters; |
| |
| @RunWith(Parameterized.class) |
| public class FieldPutEnumUnboxingTest extends EnumUnboxingTestBase { |
| |
| private static final Class<?>[] INPUTS = |
| new Class<?>[] {InstanceFieldPut.class, StaticFieldPut.class}; |
| |
| private final TestParameters parameters; |
| private final boolean enumValueOptimization; |
| private final KeepRule enumKeepRules; |
| |
| @Parameters(name = "{0} valueOpt: {1} keep: {2}") |
| public static List<Object[]> data() { |
| return enumUnboxingTestParameters(); |
| } |
| |
| public FieldPutEnumUnboxingTest( |
| TestParameters parameters, boolean enumValueOptimization, KeepRule enumKeepRules) { |
| this.parameters = parameters; |
| this.enumValueOptimization = enumValueOptimization; |
| this.enumKeepRules = enumKeepRules; |
| } |
| |
| @Test |
| public void testEnumUnboxing() throws Exception { |
| R8TestCompileResult compile = |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(FieldPutEnumUnboxingTest.class) |
| .addKeepMainRules(INPUTS) |
| .addKeepRules(enumKeepRules.getKeepRule()) |
| .addOptionsModification(opt -> enableEnumOptions(opt, enumValueOptimization)) |
| .allowDiagnosticInfoMessages() |
| .enableInliningAnnotations() |
| .enableNeverClassInliningAnnotations() |
| .setMinApi(parameters.getApiLevel()) |
| .noMinification() |
| .compile() |
| .inspect( |
| i -> { |
| assertEquals( |
| 1, |
| i.clazz(InstanceFieldPut.class).getDexProgramClass().instanceFields().size()); |
| assertEquals( |
| 1, i.clazz(StaticFieldPut.class).getDexProgramClass().staticFields().size()); |
| }); |
| |
| for (Class<?> input : INPUTS) { |
| R8TestRunResult run = |
| compile |
| .inspectDiagnosticMessages( |
| m -> assertEnumIsUnboxed(input.getDeclaredClasses()[0], input.getSimpleName(), m)) |
| .run(parameters.getRuntime(), input) |
| .assertSuccess(); |
| assertLines2By2Correct(run.getStdOut()); |
| } |
| } |
| |
| static class InstanceFieldPut { |
| |
| @NeverClassInline |
| enum MyEnum { |
| A, |
| B, |
| C |
| } |
| |
| MyEnum e = null; |
| |
| public static void main(String[] args) { |
| InstanceFieldPut fieldPut = new InstanceFieldPut(); |
| System.out.println(fieldPut.e == null); |
| System.out.println("true"); |
| fieldPut.setA(); |
| System.out.println(fieldPut.e.ordinal()); |
| System.out.println(0); |
| fieldPut.setB(); |
| System.out.println(fieldPut.e.ordinal()); |
| System.out.println(1); |
| } |
| |
| @NeverInline |
| void setA() { |
| e = MyEnum.A; |
| } |
| |
| @NeverInline |
| void setB() { |
| e = MyEnum.B; |
| } |
| } |
| |
| static class StaticFieldPut { |
| |
| @NeverClassInline |
| enum MyEnum { |
| A, |
| B, |
| C |
| } |
| |
| static MyEnum e = null; |
| |
| public static void main(String[] args) { |
| System.out.println(StaticFieldPut.e == null); |
| System.out.println("true"); |
| setA(); |
| System.out.println(StaticFieldPut.e.ordinal()); |
| System.out.println(0); |
| setB(); |
| System.out.println(StaticFieldPut.e.ordinal()); |
| System.out.println(1); |
| } |
| |
| @NeverInline |
| static void setA() { |
| StaticFieldPut.e = MyEnum.A; |
| } |
| |
| @NeverInline |
| static void setB() { |
| StaticFieldPut.e = MyEnum.B; |
| } |
| } |
| } |