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// 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.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;
@RunWith(Parameterized.class)
public class JavaCGeneratedMethodTest extends EnumUnboxingTestBase {
private static final Class<?> ENUM_CLASS = MyEnum.class;
private final TestParameters parameters;
private final boolean enumValueOptimization;
private final EnumKeepRules enumKeepRules;
@Parameterized.Parameters(name = "{0} valueOpt: {1} keep: {2}")
public static List<Object[]> data() {
return enumUnboxingTestParameters();
}
public JavaCGeneratedMethodTest(
TestParameters parameters, boolean enumValueOptimization, EnumKeepRules enumKeepRules) {
this.parameters = parameters;
this.enumValueOptimization = enumValueOptimization;
this.enumKeepRules = enumKeepRules;
}
@Test
public void testEnumUnboxing() throws Exception {
Class<?> classToTest = Ordinal.class;
R8TestRunResult run =
testForR8(parameters.getBackend())
.addProgramClasses(classToTest, ENUM_CLASS)
.addKeepMainRule(classToTest)
.addKeepRules(enumKeepRules.getKeepRules())
.enableNeverClassInliningAnnotations()
.addOptionsModification(opt -> enableEnumOptions(opt, enumValueOptimization))
.addOptionsModification(
opt -> opt.testing.enumUnboxingRewriteJavaCGeneratedMethod = true)
.allowDiagnosticInfoMessages()
.setMinApi(parameters.getApiLevel())
.compile()
.inspectDiagnosticMessages(
m -> assertEnumIsUnboxed(ENUM_CLASS, classToTest.getSimpleName(), m))
.run(parameters.getRuntime(), classToTest)
.assertSuccess();
assertLines2By2Correct(run.getStdOut());
}
@NeverClassInline
enum MyEnum {
A,
B,
C
}
static class Ordinal {
public static void main(String[] args) {
System.out.println(MyEnum.A.ordinal());
System.out.println(0);
}
}
}