15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 /* @test
25 * @bug 8195649
26 * @summary Basic functional test of OptionalInt
27 * @author Mike Duigou
28 * @build ObscureException
29 * @run testng BasicInt
30 */
31
32 import java.util.NoSuchElementException;
33 import java.util.OptionalInt;
34 import java.util.concurrent.atomic.AtomicBoolean;
35
36 import static org.testng.Assert.*;
37 import org.testng.annotations.Test;
38
39 public class BasicInt {
40
41 static final int INTVAL = 33_550_336;
42 static final int UNEXPECTED = 0xCAFEBABE;
43
44 /**
45 * Checks a block of assertions over an empty OptionalInt.
46 */
47 void checkEmpty(OptionalInt empty) {
48 assertTrue(empty.equals(OptionalInt.empty()));
49 assertTrue(OptionalInt.empty().equals(empty));
50 assertFalse(empty.equals(OptionalInt.of(UNEXPECTED)));
51 assertFalse(OptionalInt.of(UNEXPECTED).equals(empty));
52 assertFalse(empty.equals("unexpected"));
53
54 assertFalse(empty.isPresent());
55 assertEquals(empty.hashCode(), 0);
56 assertEquals(empty.orElse(UNEXPECTED), UNEXPECTED);
57 assertEquals(empty.orElseGet(() -> UNEXPECTED), UNEXPECTED);
58
59 assertThrows(NoSuchElementException.class, () -> empty.getAsInt());
60 assertThrows(NoSuchElementException.class, () -> empty.orElseThrow());
61 assertThrows(ObscureException.class, () -> empty.orElseThrow(ObscureException::new));
62
63 var b = new AtomicBoolean();
64 empty.ifPresent(s -> b.set(true));
65 assertFalse(b.get());
66
67 var b1 = new AtomicBoolean(false);
68 var b2 = new AtomicBoolean(false);
69 empty.ifPresentOrElse(s -> b1.set(true), () -> b2.set(true));
70 assertFalse(b1.get());
71 assertTrue(b2.get());
72
73 assertEquals(empty.toString(), "OptionalInt.empty");
74 }
75
76 /**
77 * Checks a block of assertions over an OptionalInt that is expected to
78 * have a particular value present.
79 */
80 void checkPresent(OptionalInt opt, int expected) {
81 assertFalse(opt.equals(OptionalInt.empty()));
82 assertFalse(OptionalInt.empty().equals(opt));
83 assertTrue(opt.equals(OptionalInt.of(expected)));
84 assertTrue(OptionalInt.of(expected).equals(opt));
85 assertFalse(opt.equals(OptionalInt.of(UNEXPECTED)));
86 assertFalse(OptionalInt.of(UNEXPECTED).equals(opt));
87 assertFalse(opt.equals("unexpected"));
88
89 assertTrue(opt.isPresent());
90 assertEquals(opt.hashCode(), Integer.hashCode(expected));
91 assertEquals(opt.orElse(UNEXPECTED), expected);
92 assertEquals(opt.orElseGet(() -> UNEXPECTED), expected);
93
94 assertEquals(opt.getAsInt(), expected);
95 assertEquals(opt.orElseThrow(), expected);
96 assertEquals(opt.orElseThrow(ObscureException::new), expected);
97
98 var b = new AtomicBoolean(false);
99 opt.ifPresent(s -> b.set(true));
100 assertTrue(b.get());
101
102 var b1 = new AtomicBoolean(false);
103 var b2 = new AtomicBoolean(false);
104 opt.ifPresentOrElse(s -> b1.set(true), () -> b2.set(true));
105 assertTrue(b1.get());
106 assertFalse(b2.get());
107
108 assertEquals(opt.toString(), "OptionalInt[" + expected + "]");
109 }
|
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 /* @test
25 * @bug 8195649
26 * @summary Basic functional test of OptionalInt
27 * @author Mike Duigou
28 * @build ObscureException
29 * @run testng BasicInt
30 */
31
32 import java.util.NoSuchElementException;
33 import java.util.OptionalInt;
34 import java.util.concurrent.atomic.AtomicBoolean;
35 import java.util.function.IntPredicate;
36 import java.util.List;
37
38 import static org.testng.Assert.*;
39 import org.testng.annotations.Test;
40
41 public class BasicInt {
42
43 static final int INTVAL = 33_550_336;
44 static final int UNEXPECTED = 0xCAFEBABE;
45
46 /**
47 * Checks a block of assertions over an empty OptionalInt.
48 */
49 void checkEmpty(OptionalInt empty) {
50 assertTrue(empty.equals(OptionalInt.empty()));
51 assertTrue(OptionalInt.empty().equals(empty));
52 assertFalse(empty.equals(OptionalInt.of(UNEXPECTED)));
53 assertFalse(OptionalInt.of(UNEXPECTED).equals(empty));
54 assertFalse(empty.equals("unexpected"));
55
56 assertFalse(empty.isPresent());
57 assertTrue(empty.isEmpty());
58 assertEquals(empty.hashCode(), 0);
59 assertEquals(empty.orElse(UNEXPECTED), UNEXPECTED);
60 assertEquals(empty.orElseGet(() -> UNEXPECTED), UNEXPECTED);
61
62 assertThrows(NoSuchElementException.class, () -> empty.getAsInt());
63 assertThrows(NoSuchElementException.class, () -> empty.orElseThrow());
64 assertThrows(ObscureException.class, () -> empty.orElseThrow(ObscureException::new));
65
66 var b = new AtomicBoolean();
67 empty.ifPresent(s -> b.set(true));
68 assertFalse(b.get());
69
70 var b1 = new AtomicBoolean(false);
71 var b2 = new AtomicBoolean(false);
72 empty.ifPresentOrElse(s -> b1.set(true), () -> b2.set(true));
73 assertFalse(b1.get());
74 assertTrue(b2.get());
75
76 assertEquals(empty.toString(), "OptionalInt.empty");
77 }
78
79 /**
80 * Checks a block of assertions over an OptionalInt that is expected to
81 * have a particular value present.
82 */
83 void checkPresent(OptionalInt opt, int expected) {
84 assertFalse(opt.equals(OptionalInt.empty()));
85 assertFalse(OptionalInt.empty().equals(opt));
86 assertTrue(opt.equals(OptionalInt.of(expected)));
87 assertTrue(OptionalInt.of(expected).equals(opt));
88 assertFalse(opt.equals(OptionalInt.of(UNEXPECTED)));
89 assertFalse(OptionalInt.of(UNEXPECTED).equals(opt));
90 assertFalse(opt.equals("unexpected"));
91
92 assertTrue(opt.isPresent());
93 assertFalse(opt.isEmpty());
94 assertEquals(opt.hashCode(), Integer.hashCode(expected));
95 assertEquals(opt.orElse(UNEXPECTED), expected);
96 assertEquals(opt.orElseGet(() -> UNEXPECTED), expected);
97
98 assertEquals(opt.getAsInt(), expected);
99 assertEquals(opt.orElseThrow(), expected);
100 assertEquals(opt.orElseThrow(ObscureException::new), expected);
101
102 var b = new AtomicBoolean(false);
103 opt.ifPresent(s -> b.set(true));
104 assertTrue(b.get());
105
106 var b1 = new AtomicBoolean(false);
107 var b2 = new AtomicBoolean(false);
108 opt.ifPresentOrElse(s -> b1.set(true), () -> b2.set(true));
109 assertTrue(b1.get());
110 assertFalse(b2.get());
111
112 assertEquals(opt.toString(), "OptionalInt[" + expected + "]");
113 }
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