@Test public void reset() { CircularQueue<A> alg = new CircularQueue<A>(A.class,3); alg.start = 2; alg.size = 5; alg.reset(); assertEquals(0,alg.size); assertEquals(0,alg.start); }
@Test public void tail() { CircularQueue<A> alg = new CircularQueue<A>(A.class); alg.grow().value = 1; assertEquals(1,alg.tail().value); alg.grow().value = 3; assertEquals(3, alg.tail().value); }
@Test public void head_offset() { CircularQueue<A> alg = new CircularQueue<A>(A.class,3); alg.start = 2; alg.size = 0; alg.grow().value = 1; assertEquals(1, alg.head().value); alg.grow().value = 3; assertEquals(1,alg.head().value); }
@Test public void tail_offset() { CircularQueue<A> alg = new CircularQueue<A>(A.class); alg.start = 2; alg.size = 0; alg.grow().value = 1; assertEquals(1,alg.tail().value); alg.grow().value = 3; assertEquals(3, alg.tail().value); }
@Test public void head() { CircularQueue<A> alg = new CircularQueue<A>(A.class); alg.grow().value = 1; assertEquals(1, alg.head().value); alg.grow().value = 3; assertEquals(1,alg.head().value); }
@Test public void grow() { CircularQueue<A> alg = new CircularQueue<A>(A.class,3); alg.grow().value = 1; assertEquals(1,alg.size); alg.grow().value = 2; alg.grow().value = 3; alg.grow().value = 4; assertEquals(1,alg.data[0].value); assertEquals(4,alg.data[3].value); assertEquals(4,alg.size); assertTrue(alg.data.length >= 4); // wrap around case alg = new CircularQueue<A>(A.class,3); alg.size = 2; alg.start = 1; alg.grow().value = 1; assertEquals(1,alg.data[0].value); assertTrue(null == alg.data[1]); assertTrue(null == alg.data[2]); }
@Test public void growW() { CircularQueue<A> alg = new CircularQueue<A>(A.class,3); alg.growW().value = 1; assertEquals(1,alg.size); alg.growW().value = 2; alg.growW().value = 3; alg.growW().value = 4; assertEquals(4,alg.data[0].value); assertEquals(3,alg.data[2].value); assertEquals(3,alg.size); assertTrue(alg.data.length == 3); }
@Test public void isEmpty() { CircularQueue<A> alg = new CircularQueue<A>(A.class,3); assertTrue(alg.isEmpty()); alg.add(new A(5)); assertFalse(alg.isEmpty()); alg.removeTail(); assertTrue(alg.isEmpty()); }
@Test public void removeTail() { CircularQueue<A> alg = new CircularQueue<A>(A.class); alg.grow().value = 1; alg.grow().value = 2; alg.removeTail(); assertEquals(1,alg.head().value); assertEquals(1,alg.size()); alg.removeTail(); assertEquals(0, alg.size()); }
@Test public void removeHead() { CircularQueue<A> alg = new CircularQueue<A>(A.class); alg.grow().value = 1; alg.grow().value = 2; alg.removeHead(); assertEquals(2, alg.head().value); assertEquals(1, alg.size()); alg.removeHead(); assertEquals(0, alg.size()); }
@Test public void popHead() { CircularQueue<A> alg = new CircularQueue<A>(A.class); alg.grow().value = 1; alg.grow().value = 2; assertEquals(1,alg.popHead().value); assertEquals(1,alg.size()); assertEquals(2,alg.popHead().value); assertEquals(0,alg.size()); }
@Test public void popTail() { CircularQueue<A> alg = new CircularQueue<A>(A.class); alg.grow().value = 1; alg.grow().value = 2; assertEquals(2,alg.popTail().value); assertEquals(1,alg.size()); assertEquals(1,alg.popTail().value); assertEquals(0, alg.size()); }
@Test public void get() { CircularQueue<A> alg = new CircularQueue<A>(A.class,2); assertEquals(2,alg.data.length); // easy case alg.grow().value = 1; alg.grow().value = 2; assertEquals(1,alg.get(0).value); assertEquals(2,alg.get(1).value); // make there be an offset alg.removeHead(); alg.grow().value = 3; assertEquals(2,alg.data.length); // sanity check assertEquals(2,alg.get(0).value); assertEquals(3,alg.get(1).value); }
@Test public void addW() { CircularQueue<A> alg = new CircularQueue<A>(A.class,3); assertEquals(3,alg.data.length); alg.addW(new A(1)); assertEquals(1,alg.data[0].value); assertEquals(1,alg.size); alg.addW(new A(2)); assertEquals(1,alg.data[0].value); assertEquals(2,alg.data[1].value); assertEquals(2,alg.size); // see if it over writes alg.addW(new A(3)); alg.addW(new A(4)); assertEquals(4,alg.data[0].value); assertEquals(2,alg.data[1].value); assertEquals(3,alg.data[2].value); assertEquals(3,alg.size); assertEquals(1,alg.start); // wrap around case alg.start = 1; alg.size = 2; alg.data = new A[3]; alg.addW(new A(10)); assertEquals(10,alg.data[0].value); assertEquals(3,alg.size); }
@Test public void add() { CircularQueue<A> alg = new CircularQueue<A>(A.class,3); assertEquals(3,alg.data.length);