blob: 3d2c919177d7678e2b3ce148a6b5a6d4614f586f [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 java.util.NoSuchElementException;
import java.util.Optional;
public final class OptionalBackportJava10Main {
public static void main(String[] args) {
testOrElseThrow();
}
private static void testOrElseThrow() {
Optional<String> present = Optional.of("hey");
assertEquals("hey", present.orElseThrow());
Optional<String> absent = Optional.empty();
try {
throw new AssertionError(absent.orElseThrow());
} catch (NoSuchElementException expected) {
}
}
private static void assertEquals(Object expected, Object actual) {
if (expected != actual && !expected.equals(actual)) {
throw new AssertionError("Expected <" + expected + "> but was <" + actual + ">");
}
}
}