How to compare CGFloat in XCTestCase?

Question

I can't understand this at all. What is the problem here?

I've tried typing 1.0, 1.0f, (CGFloat) 1.0 and (CGFloat)(2.0 - 1.0). Every time the same error.

Answer 1

I would recommend using FLT_EPSILON for this:

XCTAssertEqualWithAccuracy(mov.lastDelta, 0.0f, FLT_EPSILON, @"");

Unless you have some reason to require a larger epsilon.