Example usage of a CGRectDivide replacement macro

gistfile1.m

describe(@"CGRectDivide macro", ^{
	CGRect rect = CGRectMake(10, 20, 30, 40);

	it(@"should accept NULLs", ^{
		CGRectDivide(rect, NULL, NULL, 10, CGRectMinXEdge);
	});

	it(@"should accept pointers", ^{
		CGRect slice, remainder;
		CGRectDivide(rect, &slice, &remainder, 10, CGRectMinXEdge);

		expect(slice).to.equal(CGRectMake(10, 20, 10, 40));
		expect(remainder).to.equal(CGRectMake(20, 20, 20, 40));
	});

	it(@"should accept raw variables", ^{
		CGRect slice, remainder;
		CGRectDivide(rect, slice, remainder, 10, CGRectMinXEdge);

		expect(slice).to.equal(CGRectMake(10, 20, 10, 40));
		expect(remainder).to.equal(CGRectMake(20, 20, 20, 40));
	});

	it(@"should accept properties", ^{
		GeometryTestObject *obj = [[GeometryTestObject alloc] init];
		expect(obj).notTo.beNil();

		CGRectDivide(rect, obj.slice, obj.remainder, 10, CGRectMinXEdge);

		expect(obj.slice).to.equal(CGRectMake(10, 20, 10, 40));
		expect(obj.remainder).to.equal(CGRectMake(20, 20, 20, 40));
	});
});