gistfile1.m

/**
 * Main module for verifying Distance. Prints results to STDOUT
 */

#import "Distance.h"
#include <stdlib.h>

int main(int argc, char *argv[])
{
	// Initalise three instances.
	id d1 = [[Distance alloc] init];
	id d2 = [[Distance alloc] init];
	id d3 = [[Distance alloc] init];
	
	// Set attributes
	[d1 setPlaceA: "Brisbane"];
	[d1 setPlaceB: "Sydney"];
	[d1 setDistanceBetweenPlaces: 925];
	
	[d2 setPlaceA: "Nathan"];
	[d2 setPlaceB: "Logan"];
	[d2 setDistanceBetweenPlaces: 10.9];
	
	[d3 setPlaceA: "Nathan"];
	[d3 setPlaceB: "Gold Coast"];
	[d3 setDistanceBetweenPlaces: 95.4];
	
	float speedInKilometersPerHour = 80.0;
	
	// Print result of each method call to STDOUT
	printf(
		"Travel time at %.0f KM/h between %s and %s is %.0f minutes\n",
		speedInKilometersPerHour,
		[d1 placeA],
		[d1 placeB],
		[d1 travelTimeAtSpeed: speedInKilometersPerHour]
	);
	
	printf(
		"Travel time at %.0f KM/h between %s and %s is %.0f minutes\n",
		speedInKilometersPerHour,
		[d2 placeA],
		[d2 placeB],
		[d2 travelTimeAtSpeed: speedInKilometersPerHour]
	);
	
	printf(
		"Travel time at %.0f KM/h between %s and %s is %.0f minutes\n",
		speedInKilometersPerHour,
		[d3 placeA],
		[d3 placeB],
		[d3 travelTimeAtSpeed: speedInKilometersPerHour]
	);
	
	// Beer for everyone (Your shout)!	
	return EXIT_SUCCESS;
}