diff --git a/src/test/java/com/thealgorithms/datastructures/queues/PriorityQueuesTest.java b/src/test/java/com/thealgorithms/datastructures/queues/PriorityQueuesTest.java index 1a3b5aadebb2..e97fe091c556 100644 --- a/src/test/java/com/thealgorithms/datastructures/queues/PriorityQueuesTest.java +++ b/src/test/java/com/thealgorithms/datastructures/queues/PriorityQueuesTest.java @@ -55,4 +55,60 @@ void testPQExtra() { Assertions.assertEquals(myQueue.peek(), 2); Assertions.assertEquals(myQueue.getSize(), 1); } + + @Test + void testInsertUntilFull() { + PriorityQueue pq = new PriorityQueue(3); + pq.insert(1); + pq.insert(4); + pq.insert(2); + Assertions.assertTrue(pq.isFull()); + Assertions.assertEquals(4, pq.peek()); + } + + @Test + void testRemoveFromEmpty() { + PriorityQueue pq = new PriorityQueue(3); + Assertions.assertThrows(RuntimeException.class, pq::remove); + } + + @Test + void testInsertDuplicateValues() { + PriorityQueue pq = new PriorityQueue(5); + pq.insert(5); + pq.insert(5); + pq.insert(3); + Assertions.assertEquals(5, pq.peek()); + pq.remove(); + Assertions.assertEquals(5, pq.peek()); + pq.remove(); + Assertions.assertEquals(3, pq.peek()); + } + + @Test + void testSizeAfterInsertAndRemove() { + PriorityQueue pq = new PriorityQueue(4); + Assertions.assertEquals(0, pq.getSize()); + pq.insert(2); + Assertions.assertEquals(1, pq.getSize()); + pq.insert(10); + Assertions.assertEquals(2, pq.getSize()); + pq.remove(); + Assertions.assertEquals(1, pq.getSize()); + pq.remove(); + Assertions.assertEquals(0, pq.getSize()); + } + + @Test + void testInsertAndRemoveAll() { + PriorityQueue pq = new PriorityQueue(3); + pq.insert(8); + pq.insert(1); + pq.insert(6); + Assertions.assertTrue(pq.isFull()); + pq.remove(); + pq.remove(); + pq.remove(); + Assertions.assertTrue(pq.isEmpty()); + } }
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