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Contents
#import <XCTest/XCTest.h>
#if __has_include("PascalsTriangleExample.h")
# import "PascalsTriangleExample.h"
# else
# import "PascalsTriangle.h"
#endif
@interface PascalsTriangleTest : XCTestCase
@end
@implementation PascalsTriangleTest
- (void)testOneRow {
PascalsTriangle *triangle = [[PascalsTriangle alloc] initWithNumberOfRows:1];
XCTAssertEqualObjects(@[@[@1]], triangle.rows);
}
- (void)testTwoRows {
PascalsTriangle *triangle = [[PascalsTriangle alloc] initWithNumberOfRows:2];
NSArray *expected = @[@[@1], @[@1, @1]];
XCTAssertEqualObjects(expected, triangle.rows);
}
- (void)testThreeRows {
PascalsTriangle *triangle = [[PascalsTriangle alloc] initWithNumberOfRows:3];
NSArray *expected = @[@[@1], @[@1, @1], @[@1, @2, @1]];
XCTAssertEqualObjects(expected, triangle.rows);
}
- (void)testFourthRow {
PascalsTriangle *triangle = [[PascalsTriangle alloc] initWithNumberOfRows:4];
NSArray *expected = @[@1, @3, @3, @1];
XCTAssertEqualObjects(expected, [triangle.rows lastObject]);
}
- (void)testFifthRow {
PascalsTriangle *triangle = [[PascalsTriangle alloc] initWithNumberOfRows:5];
NSArray *expected = @[@1, @4, @6, @4, @1];
XCTAssertEqualObjects(expected, [triangle.rows lastObject]);
}
- (void)testTwentiethRow {
PascalsTriangle *triangle = [[PascalsTriangle alloc] initWithNumberOfRows:20];
NSArray *expected = @[
@1, @19, @171, @969, @3876, @11628, @27132, @50388, @75582, @92378, @92378,
@75582, @50388, @27132, @11628, @3876, @969, @171, @19, @1
];
XCTAssertEqualObjects(expected, [triangle.rows lastObject]);
}
@end
Version data entries
250 entries across 250 versions & 1 rubygems