blob: 2297f3fff59e92f0b22d94b27549a51b4c2a72d7 [file] [log] [blame]
// 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.desugar;
import static org.junit.Assert.assertTrue;
import com.android.tools.r8.DesugarTestConfiguration;
import com.android.tools.r8.TestBase;
import com.android.tools.r8.TestParameters;
import com.android.tools.r8.TestParametersCollection;
import com.android.tools.r8.cf.code.CfArithmeticBinop;
import com.android.tools.r8.cf.code.CfArithmeticBinop.Opcode;
import com.android.tools.r8.cf.code.CfInstruction;
import com.android.tools.r8.code.AddLong2Addr;
import com.android.tools.r8.code.Instruction;
import com.android.tools.r8.graph.CfCode;
import com.android.tools.r8.graph.DexCode;
import com.android.tools.r8.ir.code.NumericType;
import com.android.tools.r8.utils.AndroidApiLevel;
import com.android.tools.r8.utils.codeinspector.CodeInspector;
import com.android.tools.r8.utils.codeinspector.InstructionSubject;
import com.android.tools.r8.utils.codeinspector.MethodSubject;
import java.util.Arrays;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
@RunWith(Parameterized.class)
public class DesugarToClassFileBackport extends TestBase {
@Parameterized.Parameters(name = "{0}")
public static TestParametersCollection data() {
return getTestParameters().withAllRuntimes().withAllApiLevelsAlsoForCf().build();
}
private final TestParameters parameters;
public DesugarToClassFileBackport(TestParameters parameters) {
this.parameters = parameters;
}
private boolean isCfLAdd(CfInstruction instruction) {
return (instruction instanceof CfArithmeticBinop)
&& (((CfArithmeticBinop) instruction).getOpcode() == Opcode.Add)
&& (((CfArithmeticBinop) instruction).getType() == NumericType.LONG);
}
private boolean isDexAddLong(Instruction instruction) {
return instruction instanceof AddLong2Addr;
}
private boolean boxedDoubleIsFiniteInvoke(InstructionSubject instruction) {
System.out.println(instruction);
if (instruction.isInvokeStatic()) {
System.out.println(instruction.getMethod().qualifiedName());
}
return instruction.isInvokeStatic()
&& instruction.getMethod().qualifiedName().equals("java.lang.Double.isFinite");
}
private void checkBackportingNotRequired(CodeInspector inspector) {
MethodSubject methodSubject = inspector.clazz(TestClass.class).uniqueMethodWithName("main");
if (methodSubject.getProgramMethod().getDefinition().getCode().isCfCode()) {
CfCode code = methodSubject.getProgramMethod().getDefinition().getCode().asCfCode();
assertTrue(code.getInstructions().stream().noneMatch(this::isCfLAdd));
} else {
DexCode code = methodSubject.getProgramMethod().getDefinition().getCode().asDexCode();
assertTrue(Arrays.stream(code.instructions).noneMatch(this::isDexAddLong));
}
assertTrue(methodSubject.streamInstructions().anyMatch(this::boxedDoubleIsFiniteInvoke));
}
private void checkBackportingRequired(CodeInspector inspector) {
MethodSubject methodSubject = inspector.clazz(TestClass.class).uniqueMethodWithName("main");
if (methodSubject.getProgramMethod().getDefinition().getCode().isCfCode()) {
CfCode code = methodSubject.getProgramMethod().getDefinition().getCode().asCfCode();
assertTrue(code.getInstructions().stream().anyMatch(this::isCfLAdd));
} else {
DexCode code = methodSubject.getProgramMethod().getDefinition().getCode().asDexCode();
assertTrue(Arrays.stream(code.instructions).anyMatch(this::isDexAddLong));
}
assertTrue(methodSubject.streamInstructions().noneMatch(this::boxedDoubleIsFiniteInvoke));
}
private void checkBackportedIfRequired(CodeInspector inspector) {
if (parameters.getApiLevel().isGreaterThanOrEqualTo(AndroidApiLevel.N)) {
checkBackportingNotRequired(inspector);
} else {
checkBackportingRequired(inspector);
}
}
@Test
public void test() throws Exception {
testForDesugaring(parameters)
.addInnerClasses(DesugarToClassFileBackport.class)
.run(parameters.getRuntime(), TestClass.class)
.inspectIf(DesugarTestConfiguration::isNotDesugared, this::checkBackportingNotRequired)
.inspectIf(DesugarTestConfiguration::isDesugared, this::checkBackportedIfRequired)
.assertSuccessWithOutputLines("3", "true");
}
static class TestClass {
private static long getOne() {
return 1L;
}
private static long getTwo() {
return 2L;
}
public static void main(String[] args) {
System.out.println(Long.sum(getOne(), getTwo()));
System.out.println(Double.isFinite(1.0));
}
}
}