jdk-sandbox: test/jdk/java/util/Optional/BasicLong.java@718b9df3e302 (annotated)

16489 53619efef3fb 8001642: Add Optional<T>, OptionalDouble, OptionalInt, OptionalLong mduigou parents: diff changeset	1	/*
56376 718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	2	* Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved.
16489 53619efef3fb 8001642: Add Optional<T>, OptionalDouble, OptionalInt, OptionalLong mduigou parents: diff changeset	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
53619efef3fb 8001642: Add Optional<T>, OptionalDouble, OptionalInt, OptionalLong mduigou parents: diff changeset	4	*
53619efef3fb 8001642: Add Optional<T>, OptionalDouble, OptionalInt, OptionalLong mduigou parents: diff changeset	5	* This code is free software; you can redistribute it and/or modify it
53619efef3fb 8001642: Add Optional<T>, OptionalDouble, OptionalInt, OptionalLong mduigou parents: diff changeset	6	* under the terms of the GNU General Public License version 2 only, as
53619efef3fb 8001642: Add Optional<T>, OptionalDouble, OptionalInt, OptionalLong mduigou parents: diff changeset	7	* published by the Free Software Foundation.
53619efef3fb 8001642: Add Optional<T>, OptionalDouble, OptionalInt, OptionalLong mduigou parents: diff changeset	8	*
53619efef3fb 8001642: Add Optional<T>, OptionalDouble, OptionalInt, OptionalLong mduigou parents: diff changeset	9	* This code is distributed in the hope that it will be useful, but WITHOUT
53619efef3fb 8001642: Add Optional<T>, OptionalDouble, OptionalInt, OptionalLong mduigou parents: diff changeset	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
53619efef3fb 8001642: Add Optional<T>, OptionalDouble, OptionalInt, OptionalLong mduigou parents: diff changeset	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
53619efef3fb 8001642: Add Optional<T>, OptionalDouble, OptionalInt, OptionalLong mduigou parents: diff changeset	12	* version 2 for more details (a copy is included in the LICENSE file that
53619efef3fb 8001642: Add Optional<T>, OptionalDouble, OptionalInt, OptionalLong mduigou parents: diff changeset	13	* accompanied this code).
53619efef3fb 8001642: Add Optional<T>, OptionalDouble, OptionalInt, OptionalLong mduigou parents: diff changeset	14	*
53619efef3fb 8001642: Add Optional<T>, OptionalDouble, OptionalInt, OptionalLong mduigou parents: diff changeset	15	* You should have received a copy of the GNU General Public License version
53619efef3fb 8001642: Add Optional<T>, OptionalDouble, OptionalInt, OptionalLong mduigou parents: diff changeset	16	* 2 along with this work; if not, write to the Free Software Foundation,
53619efef3fb 8001642: Add Optional<T>, OptionalDouble, OptionalInt, OptionalLong mduigou parents: diff changeset	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
53619efef3fb 8001642: Add Optional<T>, OptionalDouble, OptionalInt, OptionalLong mduigou parents: diff changeset	18	*
53619efef3fb 8001642: Add Optional<T>, OptionalDouble, OptionalInt, OptionalLong mduigou parents: diff changeset	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
53619efef3fb 8001642: Add Optional<T>, OptionalDouble, OptionalInt, OptionalLong mduigou parents: diff changeset	20	* or visit www.oracle.com if you need additional information or have any
53619efef3fb 8001642: Add Optional<T>, OptionalDouble, OptionalInt, OptionalLong mduigou parents: diff changeset	21	* questions.
53619efef3fb 8001642: Add Optional<T>, OptionalDouble, OptionalInt, OptionalLong mduigou parents: diff changeset	22	*/
53619efef3fb 8001642: Add Optional<T>, OptionalDouble, OptionalInt, OptionalLong mduigou parents: diff changeset	23
53619efef3fb 8001642: Add Optional<T>, OptionalDouble, OptionalInt, OptionalLong mduigou parents: diff changeset	24	/* @test
56376 718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	25	* @bug 8195649
16489 53619efef3fb 8001642: Add Optional<T>, OptionalDouble, OptionalInt, OptionalLong mduigou parents: diff changeset	26	* @summary Basic functional test of OptionalLong
53619efef3fb 8001642: Add Optional<T>, OptionalDouble, OptionalInt, OptionalLong mduigou parents: diff changeset	27	* @author Mike Duigou
56375 e0530ee8af48 Move ObscureException to its own file. Rewrite BasicDouble. smarks parents: 48328 diff changeset	28	* @build ObscureException
16489 53619efef3fb 8001642: Add Optional<T>, OptionalDouble, OptionalInt, OptionalLong mduigou parents: diff changeset	29	* @run testng BasicLong
53619efef3fb 8001642: Add Optional<T>, OptionalDouble, OptionalInt, OptionalLong mduigou parents: diff changeset	30	*/
53619efef3fb 8001642: Add Optional<T>, OptionalDouble, OptionalInt, OptionalLong mduigou parents: diff changeset	31
53619efef3fb 8001642: Add Optional<T>, OptionalDouble, OptionalInt, OptionalLong mduigou parents: diff changeset	32	import java.util.NoSuchElementException;
53619efef3fb 8001642: Add Optional<T>, OptionalDouble, OptionalInt, OptionalLong mduigou parents: diff changeset	33	import java.util.OptionalLong;
28963 8498cdb7c54b 8071670: java.util.Optional: please add a way to specify if-else behavior psandoz parents: 28754 diff changeset	34	import java.util.concurrent.atomic.AtomicBoolean;
28754 8fe59917548d 8050820: Please add java.util.Optional.stream() to convert Optional<T> to Stream<T> psandoz parents: 16489 diff changeset	35	import java.util.stream.LongStream;
16489 53619efef3fb 8001642: Add Optional<T>, OptionalDouble, OptionalInt, OptionalLong mduigou parents: diff changeset	36
53619efef3fb 8001642: Add Optional<T>, OptionalDouble, OptionalInt, OptionalLong mduigou parents: diff changeset	37	import static org.testng.Assert.*;
53619efef3fb 8001642: Add Optional<T>, OptionalDouble, OptionalInt, OptionalLong mduigou parents: diff changeset	38	import org.testng.annotations.Test;
53619efef3fb 8001642: Add Optional<T>, OptionalDouble, OptionalInt, OptionalLong mduigou parents: diff changeset	39
53619efef3fb 8001642: Add Optional<T>, OptionalDouble, OptionalInt, OptionalLong mduigou parents: diff changeset	40	public class BasicLong {
56376 718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	41	static final long LONGVAL = 2_305_843_008_139_952_128L;
718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	42	static final long UNEXPECTED = 0xFEEDBEEFCAFEBABEL;
16489 53619efef3fb 8001642: Add Optional<T>, OptionalDouble, OptionalInt, OptionalLong mduigou parents: diff changeset	43
56376 718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	44	/**
718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	45	* Checks a block of assertions over an empty OptionalLong.
718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	46	*/
718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	47	void checkEmpty(OptionalLong empty) {
718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	48	assertTrue(empty.equals(OptionalLong.empty()));
718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	49	assertTrue(OptionalLong.empty().equals(empty));
718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	50	assertFalse(empty.equals(OptionalLong.of(UNEXPECTED)));
718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	51	assertFalse(OptionalLong.of(UNEXPECTED).equals(empty));
718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	52	assertFalse(empty.equals("unexpected"));
16489 53619efef3fb 8001642: Add Optional<T>, OptionalDouble, OptionalInt, OptionalLong mduigou parents: diff changeset	53
56376 718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	54	assertFalse(empty.isPresent());
718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	55	assertEquals(empty.hashCode(), 0);
718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	56	assertEquals(empty.orElse(UNEXPECTED), UNEXPECTED);
718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	57	assertEquals(empty.orElseGet(() -> UNEXPECTED), UNEXPECTED);
718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	58
718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	59	assertThrows(NoSuchElementException.class, () -> empty.getAsLong());
718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	60	assertThrows(NoSuchElementException.class, () -> empty.orElseThrow());
718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	61	assertThrows(ObscureException.class, () -> empty.orElseThrow(ObscureException::new));
718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	62
718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	63	var b = new AtomicBoolean();
718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	64	empty.ifPresent(s -> b.set(true));
718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	65	assertFalse(b.get());
718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	66
718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	67	var b1 = new AtomicBoolean(false);
718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	68	var b2 = new AtomicBoolean(false);
718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	69	empty.ifPresentOrElse(s -> b1.set(true), () -> b2.set(true));
718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	70	assertFalse(b1.get());
718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	71	assertTrue(b2.get());
28963 8498cdb7c54b 8071670: java.util.Optional: please add a way to specify if-else behavior psandoz parents: 28754 diff changeset	72
56376 718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	73	assertEquals(empty.toString(), "OptionalLong.empty");
718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	74	}
28963 8498cdb7c54b 8071670: java.util.Optional: please add a way to specify if-else behavior psandoz parents: 28754 diff changeset	75
56376 718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	76	/**
718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	77	* Checks a block of assertions over an OptionalLong that is expected to
718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	78	* have a particular value present.
718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	79	*/
718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	80	void checkPresent(OptionalLong opt, long expected) {
718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	81	assertFalse(opt.equals(OptionalLong.empty()));
718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	82	assertFalse(OptionalLong.empty().equals(opt));
718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	83	assertTrue(opt.equals(OptionalLong.of(expected)));
718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	84	assertTrue(OptionalLong.of(expected).equals(opt));
718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	85	assertFalse(opt.equals(OptionalLong.of(UNEXPECTED)));
718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	86	assertFalse(OptionalLong.of(UNEXPECTED).equals(opt));
718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	87	assertFalse(opt.equals("unexpected"));
28963 8498cdb7c54b 8071670: java.util.Optional: please add a way to specify if-else behavior psandoz parents: 28754 diff changeset	88
56376 718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	89	assertTrue(opt.isPresent());
718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	90	assertEquals(opt.hashCode(), Long.hashCode(expected));
718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	91	assertEquals(opt.orElse(UNEXPECTED), expected);
718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	92	assertEquals(opt.orElseGet(() -> UNEXPECTED), expected);
718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	93
718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	94	assertEquals(opt.getAsLong(), expected);
718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	95	assertEquals(opt.orElseThrow(), expected);
718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	96	assertEquals(opt.orElseThrow(ObscureException::new), expected);
28963 8498cdb7c54b 8071670: java.util.Optional: please add a way to specify if-else behavior psandoz parents: 28754 diff changeset	97
56376 718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	98	var b = new AtomicBoolean(false);
718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	99	opt.ifPresent(s -> b.set(true));
718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	100	assertTrue(b.get());
718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	101
718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	102	var b1 = new AtomicBoolean(false);
718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	103	var b2 = new AtomicBoolean(false);
718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	104	opt.ifPresentOrElse(s -> b1.set(true), () -> b2.set(true));
718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	105	assertTrue(b1.get());
718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	106	assertFalse(b2.get());
718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	107
718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	108	assertEquals(opt.toString(), "OptionalLong[" + expected + "]");
16489 53619efef3fb 8001642: Add Optional<T>, OptionalDouble, OptionalInt, OptionalLong mduigou parents: diff changeset	109	}
53619efef3fb 8001642: Add Optional<T>, OptionalDouble, OptionalInt, OptionalLong mduigou parents: diff changeset	110
28963 8498cdb7c54b 8071670: java.util.Optional: please add a way to specify if-else behavior psandoz parents: 28754 diff changeset	111	@Test(groups = "unit")
56376 718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	112	public void testEmpty() {
718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	113	checkEmpty(OptionalLong.empty());
48328 7acf5700d542 8140281: add no-arg Optional.orElseThrow() as preferred alternative to get() smarks parents: 47216 diff changeset	114	}
7acf5700d542 8140281: add no-arg Optional.orElseThrow() as preferred alternative to get() smarks parents: 47216 diff changeset	115
28963 8498cdb7c54b 8071670: java.util.Optional: please add a way to specify if-else behavior psandoz parents: 28754 diff changeset	116	@Test(groups = "unit")
8498cdb7c54b 8071670: java.util.Optional: please add a way to specify if-else behavior psandoz parents: 28754 diff changeset	117	public void testPresent() {
56376 718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	118	checkPresent(OptionalLong.of(LONGVAL), LONGVAL);
16489 53619efef3fb 8001642: Add Optional<T>, OptionalDouble, OptionalInt, OptionalLong mduigou parents: diff changeset	119	}
53619efef3fb 8001642: Add Optional<T>, OptionalDouble, OptionalInt, OptionalLong mduigou parents: diff changeset	120
28754 8fe59917548d 8050820: Please add java.util.Optional.stream() to convert Optional<T> to Stream<T> psandoz parents: 16489 diff changeset	121	@Test(groups = "unit")
56376 718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	122	public void testStreamEmpty() {
718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	123	assertEquals(OptionalLong.empty().stream().toArray(), new long[] { });
718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	124	}
28754 8fe59917548d 8050820: Please add java.util.Optional.stream() to convert Optional<T> to Stream<T> psandoz parents: 16489 diff changeset	125
56376 718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	126	@Test(groups = "unit")
718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	127	public void testStreamPresent() {
718b9df3e302 Update BasicInt and BasicLong. smarks parents: 56375 diff changeset	128	assertEquals(OptionalLong.of(LONGVAL).stream().toArray(), new long[] { LONGVAL });
28754 8fe59917548d 8050820: Please add java.util.Optional.stream() to convert Optional<T> to Stream<T> psandoz parents: 16489 diff changeset	129	}
16489 53619efef3fb 8001642: Add Optional<T>, OptionalDouble, OptionalInt, OptionalLong mduigou parents: diff changeset	130	}

author	smarks
	Thu, 29 Mar 2018 16:12:41 -0700
branch	JDK-8195649-branch
changeset 56376	718b9df3e302
parent 56375	e0530ee8af48
child 56383	4872fc3de1b0
permissions	-rw-r--r--