testDaysSinceSignificantDateCrossingDaylightSavingsChange

testDaysSinceSignificantDateCrossingDaylightSavingsChange.m

	- (void) testDaysSinceSignificantDateCrossingDaylightSavingsChange {
	    SignificantEvent    *testEvent              = nil;
	    NSInteger           expectedResult          = 2;
	    NSInteger           testResult              = 0;
	    NSDate              *preDaylightSavingsDate = nil;
	    NSDate              *postDaylightSavingsDate= nil;
	    NSCalendar          *calendar               = [self testCalendar];
	    
	    
	    preDaylightSavingsDate = [calendar dateWithEra:1 year:2015 month:3 day:7 hour:12 minute:0 second:0 nanosecond:0];
	    postDaylightSavingsDate = [calendar dateByAddingUnit:NSCalendarUnitDay value:expectedResult toDate:preDaylightSavingsDate options:NSCalendarMatchNextTimePreservingSmallerUnits];
	
	    testEvent = [[PreDaylightSavingsEvent alloc] initWithEventDate:preDaylightSavingsDate];
	    [(PreDaylightSavingsEvent *)testEvent setCurrentDate:postDaylightSavingsDate];
	    
	    testResult = [testEvent numberOfDaysInThePast];
	    XCTAssertEqual(testResult, expectedResult, @"Incorrect number of days when daylight savings time is in effect. Expected: %ld . Received: %ld .", expectedResult, testResult );
	}