@Test
/*! #if ($TemplateOptions.KTypeGeneric) !*/
@SuppressWarnings("unchecked")
/*! #end !*/
public void testEquals() {
final KTypeSet<KType> l0 = getFrom();
Assert.assertEquals(l0, createNewSetInstance());
KTypeSet<KType> l1 = getFrom(this.k1, this.k2, this.k3, this.k4, this.k5);
KTypeSet<KType> l2 = getFrom(this.k2, this.k1);
Assert.assertNotEquals(l1, l2);
Assert.assertNotEquals(l2, l1);
Assert.assertFalse(l1.equals(null));
Assert.assertFalse(l2.equals(null));
l2.add(this.k5);
Assert.assertNotEquals(l1, l2);
Assert.assertNotEquals(l2, l1);
l2.add(this.k4);
Assert.assertNotEquals(l1, l2);
Assert.assertNotEquals(l2, l1);
l2.add(this.k3);
Assert.assertEquals(l1, l2);
Assert.assertEquals(l2, l1);
// Check consistency with hashCode:
Assert.assertEquals(l1.hashCode(), l2.hashCode());
l1.add(this.keyE);
Assert.assertNotEquals(l1, l2);
Assert.assertNotEquals(l2, l1);
l2.add(this.keyE);
Assert.assertEquals(l1, l2);
Assert.assertEquals(l2, l1);
// Check consistency with hashCode:
Assert.assertEquals(l1.hashCode(), l2.hashCode());
l2.remove(this.keyE);
Assert.assertNotEquals(l1, l2);
Assert.assertNotEquals(l2, l1);
l2.add(this.keyE);
Assert.assertEquals(l1, l2);
Assert.assertEquals(l2, l1);
// Check consistency with hashCode:
Assert.assertEquals(l1.hashCode(), l2.hashCode());
l2.remove(this.k7); // not present, sets are still OK
Assert.assertEquals(l1, l2);
Assert.assertEquals(l2, l1);
// Check consistency with hashCode:
Assert.assertEquals(l1.hashCode(), l2.hashCode());
l2.remove(this.k2);
Assert.assertNotEquals(l1, l2);
Assert.assertNotEquals(l2, l1);
l1.remove(this.k2);
Assert.assertEquals(l1, l2);
Assert.assertEquals(l2, l1);
// Check consistency with hashCode:
Assert.assertEquals(l1.hashCode(), l2.hashCode());
l1.add(this.k7);
Assert.assertNotEquals(l1, l2);
Assert.assertNotEquals(l2, l1);
l2.clear();
Assert.assertNotEquals(l1, l2);
Assert.assertNotEquals(l2, l1);
l1.clear();
Assert.assertEquals(l1, l2);
Assert.assertEquals(l2, l1);
// Check consistency with hashCode:
Assert.assertEquals(l1.hashCode(), l2.hashCode());
// Same size, different contents
l1 = getFrom(this.k1, this.k2, this.k3, this.k4, this.k5);
l2 = getFrom(this.k2, this.k1, this.key5, this.key6, this.key7);
Assert.assertNotEquals(l1, l2);
Assert.assertNotEquals(l2, l1);
}
@Repeat(iterations = 25)
@Seed("88DC7A1093FD66C5")
@Test
public void testNoOverallocation() {
final Random randomVK = RandomizedTest.getRandom();
// Test that the container do not resize if less that the initial size
// 1) Choose a random number of elements
/*! #if ($TemplateOptions.isKType("GENERIC", "INT", "LONG", "FLOAT", "DOUBLE")) !*/
final int PREALLOCATED_SIZE = randomVK.nextInt(10000);
/*!
#elseif ($TemplateOptions.isKType("SHORT", "CHAR"))
int PREALLOCATED_SIZE = randomVK.nextInt(126);
#else
int PREALLOCATED_SIZE = randomVK.nextInt(10000);
#end !*/
// 2) Preallocate to PREALLOCATED_SIZE, use default factor because copy-constructor use this.
final KTypeSet<KType> refContainer =
createNewSetInstance(PREALLOCATED_SIZE, HashContainers.DEFAULT_LOAD_FACTOR);
final int refCapacity = refContainer.capacity();
// 3) Fill with random values, random number of elements below preallocation
final int nbElements = RandomizedTest.randomInt(PREALLOCATED_SIZE);
for (int i = 0; i < nbElements; i++) {
refContainer.add(cast(i));
}
// Capacity must have not changed, i.e no reallocation must have occured.
Assert.assertEquals(refCapacity, refContainer.capacity());
final int nbRefElements = refContainer.size();
Assert.assertEquals(refCapacity, refContainer.capacity());
// 4) Duplicate by copy-construction and/or clone
KTypeSet<KType> clonedContainer = getClone(refContainer);
KTypeSet<KType> copiedContainer = getCopyConstructor(refContainer);
final int copiedCapacity = copiedContainer.capacity();
final int clonedCapacity = copiedContainer.capacity();
Assert.assertEquals(nbRefElements, clonedContainer.size());
Assert.assertEquals(nbRefElements, copiedContainer.size());
// Due to different pre-sizings, clones and copy constructed may or may not have the same
// capacity as the refContainer.
Assert.assertTrue(clonedContainer.equals(refContainer));
Assert.assertTrue(copiedContainer.equals(refContainer));
// Maybe we were lucky, iterate duplication over itself several times
for (int j = 0; j < 10; j++) {
clonedContainer = getClone(clonedContainer);
copiedContainer = getFrom(copiedContainer);
// when copied over itself, of course every characteristic must be constant, else something is
// wrong.
Assert.assertEquals("j = " + j, nbRefElements, clonedContainer.size());
Assert.assertEquals("j = " + j, nbRefElements, copiedContainer.size());
Assert.assertEquals("j = " + j, clonedCapacity, clonedContainer.capacity());
Assert.assertEquals("j = " + j, copiedCapacity, copiedContainer.capacity());
Assert.assertTrue("j = " + j, clonedContainer.equals(refContainer));
Assert.assertTrue("j = " + j, copiedContainer.equals(refContainer));
}
}