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//
// CalculatorTests.m
// CalculatorTests
//
// Created by mo khan on 2013-05-20.
// Copyright (c) 2013 mo khan. All rights reserved.
//
#import "CalculatorTests.h"
#import "Brain.h"
@implementation CalculatorTests
Brain * calculator;
- (void)setUp
{
[super setUp];
calculator = [[Brain alloc]init];
// Set-up code here.
}
- (void)tearDown
{
// Tear-down code here.
[super tearDown];
}
- (void)testAddition
{
[calculator addObject:1];
[calculator addObject:1];
double result = [calculator performOperation:@"+"];
double expected = 2;
STAssertEquals(result, expected, @"Addition is broken");
}
- (void)testSubtraction
{
[calculator addObject:10];
[calculator addObject:5];
double result = [calculator performOperation:@"-"];
double expected = 5;
STAssertEquals(result, expected, @"subtraction is hard");
}
- (void)testMultiplication
{
[calculator addObject:10];
[calculator addObject:5];
double result = [calculator performOperation:@"x"];
double expected = 50;
STAssertEquals(result, expected, @"multiplication is hard");
}
- (void)testDivision
{
[calculator addObject:10];
[calculator addObject:5];
double result = [calculator performOperation:@"/"];
double expected = 2;
STAssertEquals(result, expected, @"division is hard");
}
@end
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