gistfile1.j

- (void)testThatCPArrayDoesSortUsingTwoDescriptors
{
	var descriptors = 	[
							[[CPSortDescriptor alloc] initWithKey:@"value" ascending:NO],
							[[CPSortDescriptor alloc] initWithKey:@"number" ascending:NO]
						];
					
	var target = [
					[[CPPrettyObject alloc] initWithValue:@"a" number:1],
					[[CPPrettyObject alloc] initWithValue:@"a" number:2],
					[[CPPrettyObject alloc] initWithValue:@"a" number:3],
					[[CPPrettyObject alloc] initWithValue:@"b" number:1],
					[[CPPrettyObject alloc] initWithValue:@"b" number:2],
					[[CPPrettyObject alloc] initWithValue:@"b" number:3],
				 ];
				
	[target sortUsingDescriptors:descriptors];
	
	[self assert:@"3:b" equals:[target[0] description]];
	[self assert:@"2:b" equals:[target[1] description]];
	[self assert:@"1:b" equals:[target[2] description]];
	[self assert:@"3:a" equals:[target[3] description]];
	[self assert:@"2:a" equals:[target[4] description]];
	[self assert:@"1:a" equals:[target[5] description]];
}

- (void)testThatCPArrayDoesSortUsingTwoDescriptorsOpposite
{
	var descriptors = 	[
							[[CPSortDescriptor alloc] initWithKey:@"number" ascending:NO],
							[[CPSortDescriptor alloc] initWithKey:@"value" ascending:NO]
						];

	var target = [
					[[CPPrettyObject alloc] initWithValue:@"a" number:1],
					[[CPPrettyObject alloc] initWithValue:@"a" number:2],
					[[CPPrettyObject alloc] initWithValue:@"a" number:3],
					[[CPPrettyObject alloc] initWithValue:@"b" number:1],
					[[CPPrettyObject alloc] initWithValue:@"b" number:2],
					[[CPPrettyObject alloc] initWithValue:@"b" number:3],
				 ];

	[target sortUsingDescriptors:descriptors];

	[self assert:@"3:b" equals:[target[0] description]];
	[self assert:@"3:a" equals:[target[1] description]];
	[self assert:@"2:b" equals:[target[2] description]];
	[self assert:@"2:a" equals:[target[3] description]];
	[self assert:@"1:b" equals:[target[4] description]];
	[self assert:@"1:a" equals:[target[5] description]];
}

- (void)testThatCPArrayDoesSortUsingDescriptorWithMultipleSameValues
{
	var descriptors = [[[CPSortDescriptor alloc] initWithKey:@"intValue" ascending:NO]];
	
	var target = [1, 1, 2, 4, 3, 1, 2, 4, 5, 1];
	
	[target sortUsingDescriptors:descriptors];
	
	[self assert:[5, 4, 4, 3, 2, 2, 1, 1, 1] equals:target];
}