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* FITNESS FOR A PARTICULAR PURPOSE . See the GNU General Public License
* version 2 for more details ( a copy is included in the LICENSE file that
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*
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* Inc . , 51 Franklin St , Fifth Floor , Boston , MA 02110 - 1301 USA .
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*/
/* @test
* @ bug 8195649
* @ summary Basic functional test of OptionalLong
* @ author Mike Duigou
* @ build ObscureException
* @ run testng BasicLong
*/
import java.util.NoSuchElementException;
import java.util.OptionalLong;
import java.util.concurrent.atomic.AtomicBoolean;
import static org.testng.Assert .*;
import org.testng.annotations.Test;
public class BasicLong {
static final long LONGVAL = 2 _305 _843 _008 _139 _952 _128 L;
static final long UNEXPECTED = 0 xFEEDBEEFCAFEBABEL;
/**
* Checks a block of assertions over an empty OptionalLong .
*/
void checkEmpty(OptionalLong empty) {
assertTrue(empty.equals(OptionalLong.empty()));
assertTrue(OptionalLong.empty().equals(empty));
assertFalse(empty.equals(OptionalLong.of(UNEXPECTED)));
assertFalse(OptionalLong.of(UNEXPECTED).equals(empty));
assertFalse(empty.equals("unexpected" ));
assertFalse(empty.isPresent());
assertTrue(empty.isEmpty());
assertEquals(empty.hashCode(), 0 );
assertEquals(empty.orElse(UNEXPECTED), UNEXPECTED);
assertEquals(empty.orElseGet(() -> UNEXPECTED), UNEXPECTED);
assertThrows(NoSuchElementException.class , () -> empty.getAsLong());
assertThrows(NoSuchElementException.class , () -> empty.orElseThrow());
assertThrows(ObscureException.class , () -> empty.orElseThrow(ObscureException::new ));
var b = new AtomicBoolean();
empty.ifPresent(s -> b.set(true ));
assertFalse(b.get());
var b1 = new AtomicBoolean(false );
var b2 = new AtomicBoolean(false );
empty.ifPresentOrElse(s -> b1.set(true ), () -> b2.set(true ));
assertFalse(b1.get());
assertTrue(b2.get());
assertEquals(empty.toString(), "OptionalLong.empty" );
}
/**
* Checks a block of assertions over an OptionalLong that is expected to
* have a particular value present .
*/
void checkPresent(OptionalLong opt, long expected) {
assertFalse(opt.equals(OptionalLong.empty()));
assertFalse(OptionalLong.empty().equals(opt));
assertTrue(opt.equals(OptionalLong.of(expected)));
assertTrue(OptionalLong.of(expected).equals(opt));
assertFalse(opt.equals(OptionalLong.of(UNEXPECTED)));
assertFalse(OptionalLong.of(UNEXPECTED).equals(opt));
assertFalse(opt.equals("unexpected" ));
assertTrue(opt.isPresent());
assertFalse(opt.isEmpty());
assertEquals(opt.hashCode(), Long .hashCode(expected));
assertEquals(opt.orElse(UNEXPECTED), expected);
assertEquals(opt.orElseGet(() -> UNEXPECTED), expected);
assertEquals(opt.getAsLong(), expected);
assertEquals(opt.orElseThrow(), expected);
assertEquals(opt.orElseThrow(ObscureException::new ), expected);
var b = new AtomicBoolean(false );
opt.ifPresent(s -> b.set(true ));
assertTrue(b.get());
var b1 = new AtomicBoolean(false );
var b2 = new AtomicBoolean(false );
opt.ifPresentOrElse(s -> b1.set(true ), () -> b2.set(true ));
assertTrue(b1.get());
assertFalse(b2.get());
assertEquals(opt.toString(), "OptionalLong[" + expected + "]" );
}
@Test(groups = "unit" )
public void testEmpty() {
checkEmpty(OptionalLong.empty());
}
@Test(groups = "unit" )
public void testPresent() {
checkPresent(OptionalLong.of(LONGVAL), LONGVAL);
}
@Test(groups = "unit" )
public void testStreamEmpty() {
assertEquals(OptionalLong.empty().stream().toArray(), new long [] { });
}
@Test(groups = "unit" )
public void testStreamPresent() {
assertEquals(OptionalLong.of(LONGVAL).stream().toArray(), new long [] { LONGVAL });
}
}
Messung V0.5 in Prozent C=94 H=81 G=87
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-10-11)
¤
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