blob: 019a0f2165afea57d3d6e605b2febac89a635ea0 [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 backport;
import com.android.tools.r8.TestBase;
import com.android.tools.r8.TestParameters;
import com.android.tools.r8.TestRuntime.CfVm;
import com.android.tools.r8.ToolHelper.DexVm.Version;
import com.android.tools.r8.desugar.backports.AbstractBackportTest;
import com.android.tools.r8.utils.AndroidApiLevel;
import java.util.OptionalLong;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameters;
@RunWith(Parameterized.class)
public final class OptionalLongBackportJava9Test extends AbstractBackportTest {
@Parameters(name = "{0}")
public static Iterable<?> data() {
return TestBase.getTestParameters()
.withDexRuntimesStartingFromIncluding(Version.V7_0_0)
.withApiLevelsStartingAtIncluding(AndroidApiLevel.N)
.withCfRuntimesStartingFromIncluding(CfVm.JDK9)
.enableApiLevelsForCf()
.build();
}
public OptionalLongBackportJava9Test(TestParameters parameters) {
super(parameters, OptionalLong.class, OptionalLongBackportJava9Main.class);
// Note: The methods in this test exist in android.jar from Android T. When R8 builds targeting
// Java 11 move these tests to OptionalBackportTest (out of examplesJava9).
// Available since N.
ignoreInvokes("empty");
ignoreInvokes("getAsLong");
ignoreInvokes("isPresent");
ignoreInvokes("of");
registerTarget(AndroidApiLevel.T, 4);
}
public static class OptionalLongBackportJava9Main {
public static void main(String[] args) {
testIfPresentOrElseLong();
testStreamLong();
}
private static void testIfPresentOrElseLong() {
OptionalLong value = OptionalLong.of(1L);
OptionalLong emptyValue = OptionalLong.empty();
value.ifPresentOrElse(val -> {}, () -> assertTrue(false));
emptyValue.ifPresentOrElse(val -> assertTrue(false), () -> {});
}
private static void testStreamLong() {
OptionalLong value = OptionalLong.of(2L);
OptionalLong emptyValue = OptionalLong.empty();
assertTrue(value.stream().count() == 1);
assertTrue(emptyValue.stream().count() == 0);
}
private static void assertTrue(boolean value) {
if (!value) {
throw new AssertionError("Expected <true> but was <false>");
}
}
}
}