@Test
public void putValues() {
// first 16 keys
for (int i = 0; i < 16; i++) {
assertTrue(map.put(i, random.nextLong()));
}
// not put
assertFalse(map.put(random.nextInt(), random.nextLong()));
}
// put
@Test
public void putNulls() {
// first null key
assertTrue(map.put(null, 1l));
// second -- not put
assertFalse(map.put(null, 3l));
// first null value
assertTrue(map.put(1, null));
// second -- also put
assertTrue(map.put(3, null));
}
@Test
public void getNulls() {
// put some nulls (according to the test putNulls)
map.put(null, 1l); // put
map.put(null, 3l); // not put
map.put(1, null); // put
map.put(3, null); // put
// check
assertEquals((Long) 1l, map.get(null));
assertEquals(null, map.get(1));
assertEquals(null, map.get(3));
}
@Test
public void getValues() {
long[] testArray = new long[16];
long curValue;
// put values
for (int i = 0; i < 16; i++) {
curValue = random.nextLong();
map.put(i, curValue);
testArray[i] = curValue;
}
// check
for (int i = 0; i < 16; i++) {
assertEquals((Long) testArray[i], map.get(i));
}
}
// size
@Test
public void resize() {
assertEquals(0, map.size());
// first 16 keys
for (int i = 0; i < 16; i++) {
map.put(i, random.nextLong());
assertEquals(i + 1, map.size());
}
assertEquals(16, map.size());
// not put
assertFalse(map.put(random.nextInt(), random.nextLong()));
assertEquals(16, map.size());
}
@Test(expected = NoSuchElementException.class)
public void getNotExistsElement() {
map.put(1, 1l);
map.get(0);
}
// get
@Test(expected = NullPointerException.class)
public void getFromEmptyMap() {
map.get(0);
}
@After
public void tearDown() {
map.clear();
}