@Test
public void testCursor_advance() {
hsa.ensure(randomKey(), randomKey());
HashSlotCursor16byteKey cursor = hsa.cursor();
assertTrue(cursor.advance());
assertFalse(cursor.advance());
}
@Test
public void testCursor_advance_afterAdvanceReturnsFalse() {
hsa.ensure(randomKey(), randomKey());
HashSlotCursor16byteKey cursor = hsa.cursor();
cursor.advance();
cursor.advance();
try {
cursor.advance();
fail("cursor.advance() returned false, but subsequent call did not throw AssertionError");
} catch (AssertionError ignored) {
}
}
@Test
public void testCursor_withManyValues() {
final long factor = 123456;
final int k = 1000;
for (int i = 1; i <= k; i++) {
long key1 = (long) i;
long key2 = key1 * factor;
hsa.ensure(key1, key2);
}
boolean[] verifyKeys = new boolean[k];
Arrays.fill(verifyKeys, false);
HashSlotCursor16byteKey cursor = hsa.cursor();
while (cursor.advance()) {
long key1 = cursor.key1();
long key2 = cursor.key2();
assertEquals(key1 * factor, key2);
verifyKeys[((int) key1) - 1] = true;
}
for (int i = 0; i < k; i++) {
assertTrue("Haven't read " + k + "th key!", verifyKeys[i]);
}
}
@Test(expected = AssertionError.class)
@RequireAssertEnabled
public void testCursor_advance_whenDisposed() {
HashSlotCursor16byteKey cursor = hsa.cursor();
hsa.dispose();
cursor.advance();
}
@Test
public void testCursor_valueAddress() {
final long valueAddress = hsa.ensure(randomKey(), randomKey());
HashSlotCursor16byteKey cursor = hsa.cursor();
cursor.advance();
assertEquals(valueAddress, cursor.valueAddress());
}
@Test
public void testCursor_key2() {
final long key1 = randomKey();
final long key2 = randomKey();
hsa.ensure(key1, key2);
HashSlotCursor16byteKey cursor = hsa.cursor();
cursor.advance();
assertEquals(key2, cursor.key2());
}
@Test
public void testCursor_advance_whenEmpty() {
HashSlotCursor16byteKey cursor = hsa.cursor();
assertFalse(cursor.advance());
}