#import #if __has_include("AnagramExample.h") # import "AnagramExample.h" # else # import "Anagram.h" #endif NS_ASSUME_NONNULL_BEGIN @interface AnagramTest : XCTestCase @end @implementation AnagramTest - (void)testNoMatches { Anagram *anagram = [[Anagram alloc] initWithString:@"diaper"]; NSArray *results = [anagram match:@[@"hello",@"world",@"zombies",@"pants"]]; NSArray *expected = @[]; XCTAssertEqualObjects(results, expected); } - (void)testDetectSimpleAnagram { Anagram *anagram = [[Anagram alloc] initWithString:@"ant"]; NSArray *results = [anagram match:@[@"tan",@"stand",@"at"]]; NSArray *expected = @[@"tan"]; XCTAssertEqualObjects(results, expected); } - (void)testDetectMultipleAnagrams { Anagram *anagram = [[Anagram alloc] initWithString:@"master"]; NSArray *results = [anagram match:@[@"stream",@"pigeon",@"maters"]]; NSArray *expected = @[@"stream",@"maters"]; XCTAssertEqualObjects(results, expected); } - (void)testDoesNotConfuseDifferentDuplicates { Anagram *anagram = [[Anagram alloc] initWithString:@"galea"]; NSArray *results = [anagram match:@[@"eagle"]]; NSArray *expected = @[]; XCTAssertEqualObjects(results, expected); } - (void)testIdenticalWordIsNotAnagram { Anagram *anagram = [[Anagram alloc] initWithString:@"corn"]; NSArray *results = [anagram match:@[@"corn", @"dark", @"Corn", @"rank", @"CORN", @"cron", @"park"]]; NSArray *expected = @[@"cron"]; XCTAssertEqualObjects(results, expected); } - (void)testEliminateAnagramsWithSameChecksum { Anagram *anagram = [[Anagram alloc] initWithString:@"mass"]; NSArray *results = [anagram match:@[@"last"]]; NSArray *expected = @[]; XCTAssertEqualObjects(results, expected); } - (void)testEliminateAnagramSubsets { Anagram *anagram = [[Anagram alloc] initWithString:@"good"]; NSArray *results = [anagram match:@[@"dog",@"goody"]]; NSArray *expected = @[]; XCTAssertEqualObjects(results, expected); } - (void)testDetectAnagram { Anagram *anagram = [[Anagram alloc] initWithString:@"listen"]; NSArray *results = [anagram match:@[@"enlists",@"google",@"inlets",@"banana"]]; NSArray *expected = @[@"inlets"]; XCTAssertEqualObjects(results, expected); } - (void)testMultipleAnagrams { Anagram *anagram = [[Anagram alloc] initWithString:@"allergy"]; NSArray *results = [anagram match:@[@"gallery",@"ballerina",@"regally",@"clergy",@"largely",@"leading"]]; NSArray *expected = @[@"gallery",@"regally",@"largely"]; XCTAssertEqualObjects(results, expected); } - (void)testAnagramsAreCaseInsensitive { Anagram *anagram = [[Anagram alloc] initWithString:@"Orchestra"]; NSArray *results = [anagram match:@[@"cashregister",@"Carthorse",@"radishes"]]; NSArray *expected = @[@"Carthorse"]; XCTAssertEqualObjects(results, expected); } @end NS_ASSUME_NONNULL_END