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 }
|
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 assertTrue(empty.isEmpty());
56 assertEquals(empty.hashCode(), 0);
57 assertEquals(empty.orElse(UNEXPECTED), UNEXPECTED);
58 assertEquals(empty.orElseGet(() -> UNEXPECTED), UNEXPECTED);
59
60 assertThrows(NoSuchElementException.class, () -> empty.getAsInt());
61 assertThrows(NoSuchElementException.class, () -> empty.orElseThrow());
62 assertThrows(ObscureException.class, () -> empty.orElseThrow(ObscureException::new));
63
64 var b = new AtomicBoolean();
65 empty.ifPresent(s -> b.set(true));
66 assertFalse(b.get());
67
68 var b1 = new AtomicBoolean(false);
69 var b2 = new AtomicBoolean(false);
70 empty.ifPresentOrElse(s -> b1.set(true), () -> b2.set(true));
71 assertFalse(b1.get());
72 assertTrue(b2.get());
73
74 assertEquals(empty.toString(), "OptionalInt.empty");
75 }
76
77 /**
78 * Checks a block of assertions over an OptionalInt that is expected to
79 * have a particular value present.
80 */
81 void checkPresent(OptionalInt opt, int expected) {
82 assertFalse(opt.equals(OptionalInt.empty()));
83 assertFalse(OptionalInt.empty().equals(opt));
84 assertTrue(opt.equals(OptionalInt.of(expected)));
85 assertTrue(OptionalInt.of(expected).equals(opt));
86 assertFalse(opt.equals(OptionalInt.of(UNEXPECTED)));
87 assertFalse(OptionalInt.of(UNEXPECTED).equals(opt));
88 assertFalse(opt.equals("unexpected"));
89
90 assertTrue(opt.isPresent());
91 assertFalse(opt.isEmpty());
92 assertEquals(opt.hashCode(), Integer.hashCode(expected));
93 assertEquals(opt.orElse(UNEXPECTED), expected);
94 assertEquals(opt.orElseGet(() -> UNEXPECTED), expected);
95
96 assertEquals(opt.getAsInt(), expected);
97 assertEquals(opt.orElseThrow(), expected);
98 assertEquals(opt.orElseThrow(ObscureException::new), expected);
99
100 var b = new AtomicBoolean(false);
101 opt.ifPresent(s -> b.set(true));
102 assertTrue(b.get());
103
104 var b1 = new AtomicBoolean(false);
105 var b2 = new AtomicBoolean(false);
106 opt.ifPresentOrElse(s -> b1.set(true), () -> b2.set(true));
107 assertTrue(b1.get());
108 assertFalse(b2.get());
109
110 assertEquals(opt.toString(), "OptionalInt[" + expected + "]");
111 }
|