| // 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.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 EnumUnboxingArrayTest extends EnumUnboxingTestBase { |
| |
| private static final Class<?>[] SUCCESSES = { |
| EnumVarArgs.class, |
| EnumArrayReadWriteNoEscape.class, |
| EnumArrayReadWrite.class, |
| EnumArrayNullRead.class, |
| Enum2DimArrayReadWrite.class |
| }; |
| |
| private final TestParameters parameters; |
| private final boolean enumValueOptimization; |
| private final EnumKeepRules enumKeepRules; |
| |
| @Parameters(name = "{0} valueOpt: {1} keep: {2}") |
| public static List<Object[]> data() { |
| return enumUnboxingTestParameters(); |
| } |
| |
| public EnumUnboxingArrayTest( |
| TestParameters parameters, boolean enumValueOptimization, EnumKeepRules enumKeepRules) { |
| this.parameters = parameters; |
| this.enumValueOptimization = enumValueOptimization; |
| this.enumKeepRules = enumKeepRules; |
| } |
| |
| @Test |
| public void testEnumUnboxing() throws Exception { |
| R8TestCompileResult compile = |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(EnumUnboxingArrayTest.class) |
| .addKeepMainRules(SUCCESSES) |
| .enableInliningAnnotations() |
| .enableNeverClassInliningAnnotations() |
| .addKeepRules(enumKeepRules.getKeepRules()) |
| .addOptionsModification(opt -> enableEnumOptions(opt, enumValueOptimization)) |
| .allowDiagnosticInfoMessages() |
| .setMinApi(parameters.getApiLevel()) |
| .compile(); |
| for (Class<?> success : SUCCESSES) { |
| R8TestRunResult run = |
| compile |
| .inspectDiagnosticMessages( |
| m -> |
| assertEnumIsUnboxed( |
| success.getDeclaredClasses()[0], success.getSimpleName(), m)) |
| .run(parameters.getRuntime(), success) |
| .assertSuccess(); |
| assertLines2By2Correct(run.getStdOut()); |
| } |
| } |
| |
| static class EnumVarArgs { |
| |
| public static void main(String[] args) { |
| System.out.println(sum(MyEnum.A)); |
| System.out.println(1); |
| System.out.println(sum(MyEnum.B, MyEnum.C)); |
| System.out.println(2); |
| } |
| |
| @NeverInline |
| public static int sum(MyEnum... args) { |
| return args.length; |
| } |
| |
| @NeverClassInline |
| enum MyEnum { |
| A, |
| B, |
| C; |
| } |
| } |
| |
| static class EnumArrayReadWriteNoEscape { |
| |
| public static void main(String[] args) { |
| MyEnum[] myEnums = new MyEnum[2]; |
| myEnums[1] = MyEnum.C; |
| System.out.println(myEnums[1].ordinal()); |
| System.out.println(2); |
| System.out.println(myEnums[0] == null); |
| System.out.println("true"); |
| myEnums[0] = MyEnum.B; |
| System.out.println(myEnums.length); |
| System.out.println(2); |
| } |
| |
| @NeverClassInline |
| enum MyEnum { |
| A, |
| B, |
| C; |
| } |
| } |
| |
| static class EnumArrayReadWrite { |
| |
| public static void main(String[] args) { |
| MyEnum[] myEnums = getArray(); |
| System.out.println(myEnums[1].ordinal()); |
| System.out.println(2); |
| System.out.println(myEnums[0] == null); |
| System.out.println("true"); |
| myEnums[0] = MyEnum.B; |
| System.out.println(sum(myEnums)); |
| System.out.println(2); |
| } |
| |
| @NeverInline |
| public static MyEnum[] getArray() { |
| MyEnum[] myEnums = new MyEnum[2]; |
| myEnums[1] = MyEnum.C; |
| return myEnums; |
| } |
| |
| @NeverInline |
| public static int sum(MyEnum[] args) { |
| return args.length; |
| } |
| |
| @NeverClassInline |
| enum MyEnum { |
| A, |
| B, |
| C; |
| } |
| } |
| |
| static class EnumArrayNullRead { |
| |
| @SuppressWarnings("ConstantConditions") |
| public static void main(String[] args) { |
| try { |
| System.out.println(((MyEnum[]) null)[0]); |
| } catch (NullPointerException ignored) { |
| } |
| } |
| |
| @NeverClassInline |
| enum MyEnum { |
| A, |
| B, |
| C; |
| } |
| } |
| |
| static class Enum2DimArrayReadWrite { |
| |
| public static void main(String[] args) { |
| MyEnum[][] myEnums = getArray(); |
| System.out.println(myEnums[1][1].ordinal()); |
| System.out.println(2); |
| System.out.println(myEnums[0][0].ordinal()); |
| System.out.println(1); |
| System.out.println(myEnums[0].length); |
| System.out.println(2); |
| } |
| |
| @NeverInline |
| public static MyEnum[][] getArray() { |
| MyEnum[][] myEnums = new MyEnum[2][2]; |
| myEnums[1][1] = MyEnum.C; |
| myEnums[1][0] = MyEnum.A; |
| myEnums[0][0] = MyEnum.B; |
| myEnums[0][1] = MyEnum.A; |
| return myEnums; |
| } |
| |
| @NeverClassInline |
| enum MyEnum { |
| A, |
| B, |
| C; |
| } |
| } |
| } |