gistfile1.m

- (void)testThatThirtyTwoFarenheitEqualsZeroCelsius {
    double celsiusResult = [controller convertFarenheithToCelsius:32];
    double farenheitResult = [controller convertCelsiusToFarenheit:0];
    STAssertEquals(celsiusResult, 0, @"should be zero");
    STAssertEquals(farenheitResult, 32, @"should equal 32");
}