158 lines
8.5 KiB
Objective-C
158 lines
8.5 KiB
Objective-C
//
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// Copyright (c) 2017 Open Whisper Systems. All rights reserved.
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//
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#import "UtilTest.h"
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#import "TestUtil.h"
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@implementation UtilTest
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-(void) testFloorMultiple {
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test([NumberUtil largestIntegerThatIsAtMost:0 andIsAMultipleOf:20] == 0);
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test([NumberUtil largestIntegerThatIsAtMost:1 andIsAMultipleOf:20] == 0);
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test([NumberUtil largestIntegerThatIsAtMost:5 andIsAMultipleOf:20] == 0);
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test([NumberUtil largestIntegerThatIsAtMost:15 andIsAMultipleOf:20] == 0);
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test([NumberUtil largestIntegerThatIsAtMost:19 andIsAMultipleOf:20] == 0);
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test([NumberUtil largestIntegerThatIsAtMost:20 andIsAMultipleOf:20] == 20);
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test([NumberUtil largestIntegerThatIsAtMost:21 andIsAMultipleOf:20] == 20);
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}
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-(void) testCeilingMultiple {
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test([NumberUtil smallestIntegerThatIsAtLeast:0 andIsAMultipleOf:20] == 0);
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test([NumberUtil smallestIntegerThatIsAtLeast:1 andIsAMultipleOf:20] == 20);
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test([NumberUtil smallestIntegerThatIsAtLeast:5 andIsAMultipleOf:20] == 20);
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test([NumberUtil smallestIntegerThatIsAtLeast:15 andIsAMultipleOf:20] == 20);
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test([NumberUtil smallestIntegerThatIsAtLeast:19 andIsAMultipleOf:20] == 20);
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test([NumberUtil smallestIntegerThatIsAtLeast:20 andIsAMultipleOf:20] == 20);
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test([NumberUtil smallestIntegerThatIsAtLeast:21 andIsAMultipleOf:20] == 40);
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}
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-(void) testCongruentDifferenceMod2ToThe16 {
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test([NumberUtil congruentDifferenceMod2ToThe16From:1 to:0xFFFF] == -2);
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test([NumberUtil congruentDifferenceMod2ToThe16From:1 to:10] == 9);
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test([NumberUtil congruentDifferenceMod2ToThe16From:0xFFFF to:1] == 2);
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test([NumberUtil congruentDifferenceMod2ToThe16From:0 to:0x8000] == -0x8000);
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test([NumberUtil congruentDifferenceMod2ToThe16From:0x8000 to:0] == -0x8000);
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test([NumberUtil congruentDifferenceMod2ToThe16From:0 to:0] == 0);
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}
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-(void) testToRegex {
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testThrows(@"(".toRegularExpression);
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NSRegularExpression* r = @"a+b".toRegularExpression;
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test([r numberOfMatchesInString:@"a" options:NSMatchingAnchored range:NSMakeRange(0, 1)] == 0);
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test([r numberOfMatchesInString:@"b" options:NSMatchingAnchored range:NSMakeRange(0, 1)] == 0);
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test([r numberOfMatchesInString:@"ba" options:NSMatchingAnchored range:NSMakeRange(0, 1)] == 0);
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test([r numberOfMatchesInString:@"ab" options:NSMatchingAnchored range:NSMakeRange(0, 2)] == 1);
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test([r numberOfMatchesInString:@"aab" options:NSMatchingAnchored range:NSMakeRange(0, 3)] == 1);
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test([r numberOfMatchesInString:@"aabXBNSAUI" options:NSMatchingAnchored range:NSMakeRange(0, 3)] == 1);
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test([r numberOfMatchesInString:@"aacb" options:NSMatchingAnchored range:NSMakeRange(0, 3)] == 0);
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}
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-(void) testWithMatchesAgainstReplacedBy {
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test([[@"(555)-555-5555" withMatchesAgainst:[@"[^0-9+]" toRegularExpression] replacedBy:@""] isEqualToString:@"5555555555"]);
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test([[@"aaaaaa" withMatchesAgainst:@"a".toRegularExpression replacedBy:@""] isEqualToString:@""]);
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test([[@"aabaabaa" withMatchesAgainst:@"b".toRegularExpression replacedBy:@"wonder"] isEqualToString:@"aawonderaawonderaa"]);
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}
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-(void) testContainsAnyMatches {
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NSRegularExpression* r = [@"^\\+[0-9]{10,}" toRegularExpression];
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test([@"+5555555555" containsAnyMatches:r]);
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test([@"+6555595555" containsAnyMatches:r]);
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test([@"+65555555557+/few,pf" containsAnyMatches:r]);
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test(![@" +5555555555" containsAnyMatches:r]);
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test(![@"+555KL55555" containsAnyMatches:r]);
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test(![@"+1-555-555-5555" containsAnyMatches:r]);
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test(![@"1-(555)-555-5555" containsAnyMatches:r]);
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}
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-(void) testWithPrefixRemovedElseNull {
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test([[@"test" withPrefixRemovedElseNull:@""] isEqualToString:@"test"]);
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test([[@"test" withPrefixRemovedElseNull:@"t"] isEqualToString:@"est"]);
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test([[@"test" withPrefixRemovedElseNull:@"te"] isEqualToString:@"st"]);
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test([[@"test" withPrefixRemovedElseNull:@"tes"] isEqualToString:@"t"]);
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test([[@"test" withPrefixRemovedElseNull:@"test"] isEqualToString:@""]);
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test([@"test" withPrefixRemovedElseNull:@"test2"] == nil);
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test([@"test" withPrefixRemovedElseNull:@"a"] == nil);
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testThrows([@"test" withPrefixRemovedElseNull:nil]);
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}
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-(void) testFromJson {
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test([[@"{}" decodedAsJsonIntoDictionary] isEqualToDictionary:@{}]);
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test([[@"{\"a\":\"b\"}" decodedAsJsonIntoDictionary] isEqualToDictionary:@{@"a":@"b"}]);
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test([[@"{\"c\":5}" decodedAsJsonIntoDictionary] isEqualToDictionary:@{@"c":@5}]);
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test([[@"{\"a\":5,\"b\":true}" decodedAsJsonIntoDictionary] isEqualToDictionary:(@{@"a":@5,@"b":@YES})]);
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testThrows([@"" decodedAsJsonIntoDictionary]);
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testThrows([@"}" decodedAsJsonIntoDictionary]);
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testThrows([@"{{}" decodedAsJsonIntoDictionary]);
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}
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-(void) testHasLongLongValue {
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test((@0).hasLongLongValue);
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test((@1).hasLongLongValue);
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test((@-11).hasLongLongValue);
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test(@LONG_LONG_MAX.hasLongLongValue);
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test(@LONG_LONG_MIN.hasLongLongValue);
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test(!@ULONG_LONG_MAX.hasLongLongValue);
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test(@(pow(2, 62)).hasLongLongValue);
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test(!@(pow(2, 63)).hasLongLongValue);
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test(!@(-pow(2, 64)).hasLongLongValue);
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test(!(@0.5).hasLongLongValue);
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}
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-(void) testTryParseAsUnsignedInteger {
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test([@"" tryParseAsUnsignedInteger] == nil);
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test([@"88ffhih" tryParseAsUnsignedInteger] == nil);
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test([@"0xA" tryParseAsUnsignedInteger] == nil);
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test([@"A" tryParseAsUnsignedInteger] == nil);
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test([@"-1" tryParseAsUnsignedInteger] == nil);
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test([@"-" tryParseAsUnsignedInteger] == nil);
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test([[@"0" tryParseAsUnsignedInteger] isEqual:@0]);
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test([[@"00" tryParseAsUnsignedInteger] isEqual:@0]);
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test([[@"1" tryParseAsUnsignedInteger] isEqual:@1]);
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test([[@"01" tryParseAsUnsignedInteger] isEqual:@1]);
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test([[@"25" tryParseAsUnsignedInteger] isEqual:@25]);
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test([[(@NSUIntegerMax).description tryParseAsUnsignedInteger] isEqual:@NSUIntegerMax]);
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if (NSUIntegerMax == 4294967295UL) {
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test([@"4294967296" tryParseAsUnsignedInteger] == nil);
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}
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if (NSUIntegerMax == 18446744073709551615ULL) {
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test([@"18446744073709551616" tryParseAsUnsignedInteger] == nil);
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}
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NSString* max = (@NSUIntegerMax).description;
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NSString* farTooLarge = [max stringByAppendingString:max];
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test([farTooLarge tryParseAsUnsignedInteger] == nil);
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}
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-(void) testRemoveAllCharactersIn {
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testThrows([@"" removeAllCharactersIn:nil]);
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test([[@"" removeAllCharactersIn:NSCharacterSet.letterCharacterSet] isEqual:@""]);
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test([[@"1" removeAllCharactersIn:NSCharacterSet.letterCharacterSet] isEqual:@"1"]);
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test([[@"a" removeAllCharactersIn:NSCharacterSet.letterCharacterSet] isEqual:@""]);
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test([[@"A" removeAllCharactersIn:NSCharacterSet.letterCharacterSet] isEqual:@""]);
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test([[@"abc123%^&" removeAllCharactersIn:NSCharacterSet.letterCharacterSet] isEqual:@"123%^&"]);
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test([[@"" removeAllCharactersIn:NSCharacterSet.decimalDigitCharacterSet] isEqual:@""]);
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test([[@"1" removeAllCharactersIn:NSCharacterSet.decimalDigitCharacterSet] isEqual:@""]);
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test([[@"a" removeAllCharactersIn:NSCharacterSet.decimalDigitCharacterSet] isEqual:@"a"]);
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test([[@"A" removeAllCharactersIn:NSCharacterSet.decimalDigitCharacterSet] isEqual:@"A"]);
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test([[@"abc123%^&" removeAllCharactersIn:NSCharacterSet.decimalDigitCharacterSet] isEqual:@"abc%^&"]);
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}
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-(void) testDigitsOnly {
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test([@"".digitsOnly isEqual:@""]);
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test([@"1".digitsOnly isEqual:@"1"]);
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test([@"a".digitsOnly isEqual:@""]);
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test([@"(555) 235-7111".digitsOnly isEqual:@"5552357111"]);
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}
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-(void) testWithCharactersInRangeReplacedBy {
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testThrows([@"" withCharactersInRange:NSMakeRange(0, 0) replacedBy:nil]);
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testThrows([@"" withCharactersInRange:NSMakeRange(0, 1) replacedBy:@""]);
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testThrows([@"" withCharactersInRange:NSMakeRange(1, 0) replacedBy:@""]);
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testThrows([@"" withCharactersInRange:NSMakeRange(1, 1) replacedBy:@""]);
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testThrows([@"abc" withCharactersInRange:NSMakeRange(4, 0) replacedBy:@""]);
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testThrows([@"abc" withCharactersInRange:NSMakeRange(3, 1) replacedBy:@""]);
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testThrows([@"abc" withCharactersInRange:NSMakeRange(4, NSUIntegerMax) replacedBy:@""]);
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test([[@"" withCharactersInRange:NSMakeRange(0, 0) replacedBy:@""] isEqual:@""]);
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test([[@"" withCharactersInRange:NSMakeRange(0, 0) replacedBy:@"abc"] isEqual:@"abc"]);
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test([[@"abc" withCharactersInRange:NSMakeRange(0, 0) replacedBy:@"123"] isEqual:@"123abc"]);
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test([[@"abc" withCharactersInRange:NSMakeRange(3, 0) replacedBy:@"123"] isEqual:@"abc123"]);
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test([[@"abc" withCharactersInRange:NSMakeRange(2, 0) replacedBy:@"123"] isEqual:@"ab123c"]);
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test([[@"abcdef" withCharactersInRange:NSMakeRange(1, 2) replacedBy:@"1234"] isEqual:@"a1234def"]);
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}
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@end
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