24 lines
810 B
Java
Executable File
24 lines
810 B
Java
Executable File
class QueueTest {
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public static void main(String[] args) {
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CS2030STest i = new CS2030STest();
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Queue<Integer> q = new Queue<Integer>(2);
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i.expect("insert 4 into a queue of integer",
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q.enq(4), true);
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i.expect("insert 8 into a queue of integer",
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q.enq(8), true);
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i.expect("insert 0 into a full queue",
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q.enq(0), false);
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i.expect("remove 4 from queue",
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q.deq(), 4);
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i.expect("remove 8 from queue",
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q.deq(), 8);
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i.expect("cannot deque anymore",
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q.deq(), null);
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i.expectCompile("cannot deque a non-integer from a queue of integer",
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"String s = new Queue<Integer>(3).deq();", false);
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i.expectCompile("cannot insert a non-integer into a queue of integer",
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"new Queue<Integer>(3).enqueue(false);", false);
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}
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}
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