# File lib/test/unit/assertions.rb, line 560 def assert_in_delta(expected_float, actual_float, delta, message="") _wrap_assertion do _assert_in_delta_validate_arguments(expected_float, actual_float, delta) full_message = _assert_in_delta_message(expected_float, actual_float, delta, message) assert_block(full_message) do (expected_float.to_f - actual_float.to_f).abs <= delta.to_f end end end