@Test
public void getFromPrimitiveCollectionNull() {
try {
ContainerUtils.getFromPrimitiveCollection(null);
fail("Should throw an NullPointerException");
} catch (NullPointerException e) {
assertTrue("Should throw an NullPointerException", e instanceof NullPointerException);
}
}
@Test
public void getFromPrimitiveCollectionDouble() {
Container container =
ContainerUtils.getFromPrimitiveCollection(Arrays.asList(new Double[] {1d, 2d, 3d}));
assertNotNull(container);
assertEquals(3, container.size());
for (Object object : container.getItemIds()) {
assertTrue(object instanceof Double);
}
}
@Test
public void getFromPrimitiveCollectionInteger() {
Container container =
ContainerUtils.getFromPrimitiveCollection(Arrays.asList(new Integer[] {1, 2, 3}));
assertNotNull(container);
assertEquals(3, container.size());
for (Object object : container.getItemIds()) {
assertTrue(object instanceof Integer);
}
}
@Test
public void getFromPrimitiveCollectionString() {
Container container =
ContainerUtils.getFromPrimitiveCollection(Arrays.asList(new String[] {"a", "b", "c"}));
assertNotNull(container);
assertEquals(3, container.size());
for (Object object : container.getItemIds()) {
assertTrue(object instanceof String);
}
}
@Test
public void getFromPrimitiveCollectionEmpty() {
Container container = ContainerUtils.getFromPrimitiveCollection(Arrays.asList(new String[] {}));
assertNotNull(container);
assertEquals(0, container.size());
}