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root/jsr166/jsr166/src/test/tck/CollectionTest.java

Comparing jsr166/src/test/tck/CollectionTest.java (file contents):
Revision 1.1 by jsr166, Sun Jun 14 20:58:14 2015 UTC vs.
Revision 1.5 by jsr166, Mon Oct 17 02:47:09 2016 UTC

#	Line 6 | Line 6
6		*/
7
8		import java.util.Collection;
9	+	import java.util.Deque;
10	+	import java.util.NoSuchElementException;
11	+	import java.util.Queue;
12	+	import java.util.function.Consumer;
13
14		import junit.framework.Test;
15
#	Line 31 | Line 35 | public class CollectionTest extends JSR1
35		impl));
36		}
37
38	<	/** A test of the CollectionImplementation implementation ! */
38	>	/** Checks properties of empty collections. */
39		public void testEmptyMeansEmpty() {
40	<	assertTrue(impl.emptyCollection().isEmpty());
41	<	assertEquals(0, impl.emptyCollection().size());
40	>	Collection c = impl.emptyCollection();
41	>	assertTrue(c.isEmpty());
42	>	assertEquals(0, c.size());
43	>	assertEquals("[]", c.toString());
44	>	assertEquals(0, c.toArray().length);
45	>	{
46	>	Object[] a = new Object[0];
47	>	assertSame(a, c.toArray(a));
48	>	}
49	>	assertIteratorExhausted(c.iterator());
50	>	Consumer alwaysThrows = (e) -> { throw new AssertionError(); };
51	>	c.forEach(alwaysThrows);
52	>	c.iterator().forEachRemaining(alwaysThrows);
53	>	c.spliterator().forEachRemaining(alwaysThrows);
54	>	assertFalse(c.spliterator().tryAdvance(alwaysThrows));
55	>	if (Queue.class.isAssignableFrom(impl.klazz())) {
56	>	Queue q = (Queue) c;
57	>	assertNull(q.peek());
58	>	assertNull(q.poll());
59	>	}
60	>	if (Deque.class.isAssignableFrom(impl.klazz())) {
61	>	Deque d = (Deque) c;
62	>	assertNull(d.peekFirst());
63	>	assertNull(d.peekLast());
64	>	assertNull(d.pollFirst());
65	>	assertNull(d.pollLast());
66	>	assertIteratorExhausted(d.descendingIterator());
67	>	}
68		}
69
70	<	// public void testCollectionDebugFail() { fail(); }
70	>	public void testNullPointerExceptions() {
71	>	Collection c = impl.emptyCollection();
72	>	assertThrows(
73	>	NullPointerException.class,
74	>	() -> c.addAll(null),
75	>	() -> c.containsAll(null),
76	>	() -> c.retainAll(null),
77	>	() -> c.removeAll(null),
78	>	() -> c.removeIf(null));
79	>
80	>	if (!impl.permitsNulls()) {
81	>	assertThrows(
82	>	NullPointerException.class,
83	>	() -> c.add(null));
84	>	}
85	>	if (!impl.permitsNulls()
86	>	&& Queue.class.isAssignableFrom(impl.klazz())) {
87	>	Queue q = (Queue) c;
88	>	assertThrows(
89	>	NullPointerException.class,
90	>	() -> q.offer(null));
91	>	}
92	>	if (!impl.permitsNulls()
93	>	&& Deque.class.isAssignableFrom(impl.klazz())) {
94	>	Deque d = (Deque) c;
95	>	assertThrows(
96	>	NullPointerException.class,
97	>	() -> d.addFirst(null),
98	>	() -> d.addLast(null),
99	>	() -> d.offerFirst(null),
100	>	() -> d.offerLast(null),
101	>	() -> d.push(null));
102	>	}
103	>	}
104	>
105	>	public void testNoSuchElementExceptions() {
106	>	Collection c = impl.emptyCollection();
107	>	assertThrows(
108	>	NoSuchElementException.class,
109	>	() -> c.iterator().next());
110	>
111	>	if (Queue.class.isAssignableFrom(impl.klazz())) {
112	>	Queue q = (Queue) c;
113	>	assertThrows(
114	>	NoSuchElementException.class,
115	>	() -> q.element(),
116	>	() -> q.remove());
117	>	}
118	>	if (Deque.class.isAssignableFrom(impl.klazz())) {
119	>	Deque d = (Deque) c;
120	>	assertThrows(
121	>	NoSuchElementException.class,
122	>	() -> d.getFirst(),
123	>	() -> d.getLast(),
124	>	() -> d.removeFirst(),
125	>	() -> d.removeLast(),
126	>	() -> d.pop(),
127	>	() -> d.descendingIterator().next());
128	>	}
129	>	}
130	>
131	>	//     public void testCollectionDebugFail() {
132	>	//         fail(impl.klazz().getSimpleName());
133	>	//     }
134		}

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