@Test
public void testEqualsForNull() {
final DocumentSortComparatorSource source = new DocumentSortComparatorSource(null);
assertEquals(source, source);
assertEquals(source.hashCode(), source.hashCode());
final DocumentSortComparatorSource source2 = new DocumentSortComparatorSource(null);
assertEquals(source, source2);
assertEquals(source.hashCode(), source2.hashCode());
}
@Test
public void testEquals() {
final AtomicInteger hashCodeCalled = new AtomicInteger(0);
final AtomicInteger equalsCodeCalled = new AtomicInteger(0);
final IssueSortComparator sortComparator2 =
new DefaultIssueSortComparator(new MockIssueComparator(), new SimpleMockIssueFactory()) {
public int compare(final Issue issue, final Issue issue2) {
throw new UnsupportedOperationException("Not Implemented.");
}
};
final IssueSortComparator sortComparator =
new DefaultIssueSortComparator(new MockIssueComparator(), new SimpleMockIssueFactory()) {
public int compare(final Issue issue, final Issue issue2) {
throw new UnsupportedOperationException("Not Implemented.");
}
@Override
public int hashCode() {
hashCodeCalled.incrementAndGet();
return 10;
}
@Override
public boolean equals(final Object obj) {
Assert.assertSame(sortComparator2, obj);
equalsCodeCalled.incrementAndGet();
return true;
}
};
final DocumentSortComparatorSource source = new DocumentSortComparatorSource(sortComparator);
assertEquals(source, source);
assertEquals(10, source.hashCode());
assertEquals(1, hashCodeCalled.get());
// Should not be called as we are comparing the same instance
assertEquals(0, equalsCodeCalled.get());
final DocumentSortComparatorSource source2 = new DocumentSortComparatorSource(sortComparator2);
assertTrue(source.equals(source2));
assertEquals(1, equalsCodeCalled.get());
final IssueSortComparator sortComparator3 =
new DefaultIssueSortComparator(new MockIssueComparator(), new SimpleMockIssueFactory()) {
public int compare(final Issue issue, final Issue issue2) {
throw new UnsupportedOperationException("Not Implemented.");
}
@Override
public boolean equals(final Object obj) {
Assert.assertSame(sortComparator, obj);
equalsCodeCalled.incrementAndGet();
return false;
}
};
// Ensure the return value from sort comparitor is respected
final DocumentSortComparatorSource source3 = new DocumentSortComparatorSource(sortComparator3);
assertFalse(source3.equals(source));
assertEquals(2, equalsCodeCalled.get());
assertFalse(source.equals(null));
assertFalse(source.equals(new Object()));
assertFalse(source.equals(new MappedSortComparator(null)));
}
