blob: 39169a1e4fc7205197047f7d20ba390bc824054f [file] [log] [blame]
// Copyright (c) 2019, 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.shaking;
import com.android.tools.r8.NeverInline;
import com.android.tools.r8.TestBase;
import com.android.tools.r8.TestParameters;
import com.android.tools.r8.TestParametersCollection;
import com.android.tools.r8.ToolHelper.DexVm.Version;
import com.android.tools.r8.utils.StringUtils;
import java.util.function.Function;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
@RunWith(Parameterized.class)
public class FunctionTest extends TestBase {
private static final String expectedOutput = StringUtils.lines("Hello, world", "Hello, world");
private final TestParameters parameters;
@Parameterized.Parameters(name = "{0}")
public static TestParametersCollection data() {
return getTestParameters().withDexRuntimesStartingFromIncluding(Version.V8_1_0).build();
}
public FunctionTest(TestParameters parameters) {
this.parameters = parameters;
}
@Test
public void testD8() throws Exception {
testForD8()
.addInnerClasses(FunctionTest.class)
.run(parameters.getRuntime(), FunctionTest.TestClass.class)
.assertSuccessWithOutput(expectedOutput);
}
@Test
public void testR8Working() throws Exception {
testForR8(parameters.getBackend())
.addKeepMainRule(TestClass.class)
.noTreeShaking()
.noMinification()
.enableInliningAnnotations()
.addInnerClasses(FunctionTest.class)
.run(parameters.getRuntime(), TestClass.class)
.assertSuccessWithOutput(expectedOutput);
}
@Test
public void testR8WithTreeshaking() throws Exception {
testForR8(parameters.getBackend())
.addKeepMainRule(TestClass.class)
.enableInliningAnnotations()
.addInnerClasses(FunctionTest.class)
.run(parameters.getRuntime(), TestClass.class)
.assertSuccessWithOutput(expectedOutput);
}
static class TestClass {
@NeverInline
private static String applyFunction(Function<String, String> f) {
return f.apply("Hello, world");
}
public static void main(String[] args) {
System.out.println(applyFunction(s -> s + System.lineSeparator() + s));
}
}
}