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session-ios/Signal/test/util/UtilTest.m

73 lines
3.2 KiB
Objective-C

//
// Copyright (c) 2017 Open Whisper Systems. All rights reserved.
//
#import "UtilTest.h"
#import "NumberUtil.h"
#import "TestUtil.h"
#import <SignalMessaging/NSString+OWS.h>
@interface NSString (OWS_Test)
- (NSString *)removeAllCharactersIn:(NSCharacterSet *)characterSet;
@end
#pragma mark -
@implementation UtilTest
-(void) testFloorMultiple {
test([NumberUtil largestIntegerThatIsAtMost:0 andIsAMultipleOf:20] == 0);
test([NumberUtil largestIntegerThatIsAtMost:1 andIsAMultipleOf:20] == 0);
test([NumberUtil largestIntegerThatIsAtMost:5 andIsAMultipleOf:20] == 0);
test([NumberUtil largestIntegerThatIsAtMost:15 andIsAMultipleOf:20] == 0);
test([NumberUtil largestIntegerThatIsAtMost:19 andIsAMultipleOf:20] == 0);
test([NumberUtil largestIntegerThatIsAtMost:20 andIsAMultipleOf:20] == 20);
test([NumberUtil largestIntegerThatIsAtMost:21 andIsAMultipleOf:20] == 20);
}
-(void) testCeilingMultiple {
test([NumberUtil smallestIntegerThatIsAtLeast:0 andIsAMultipleOf:20] == 0);
test([NumberUtil smallestIntegerThatIsAtLeast:1 andIsAMultipleOf:20] == 20);
test([NumberUtil smallestIntegerThatIsAtLeast:5 andIsAMultipleOf:20] == 20);
test([NumberUtil smallestIntegerThatIsAtLeast:15 andIsAMultipleOf:20] == 20);
test([NumberUtil smallestIntegerThatIsAtLeast:19 andIsAMultipleOf:20] == 20);
test([NumberUtil smallestIntegerThatIsAtLeast:20 andIsAMultipleOf:20] == 20);
test([NumberUtil smallestIntegerThatIsAtLeast:21 andIsAMultipleOf:20] == 40);
}
-(void) testCongruentDifferenceMod2ToThe16 {
test([NumberUtil congruentDifferenceMod2ToThe16From:1 to:0xFFFF] == -2);
test([NumberUtil congruentDifferenceMod2ToThe16From:1 to:10] == 9);
test([NumberUtil congruentDifferenceMod2ToThe16From:0xFFFF to:1] == 2);
test([NumberUtil congruentDifferenceMod2ToThe16From:0 to:0x8000] == -0x8000);
test([NumberUtil congruentDifferenceMod2ToThe16From:0x8000 to:0] == -0x8000);
test([NumberUtil congruentDifferenceMod2ToThe16From:0 to:0] == 0);
}
-(void) testRemoveAllCharactersIn {
testThrows([@"" removeAllCharactersIn:nil]);
test([[@"" removeAllCharactersIn:NSCharacterSet.letterCharacterSet] isEqual:@""]);
test([[@"1" removeAllCharactersIn:NSCharacterSet.letterCharacterSet] isEqual:@"1"]);
test([[@"a" removeAllCharactersIn:NSCharacterSet.letterCharacterSet] isEqual:@""]);
test([[@"A" removeAllCharactersIn:NSCharacterSet.letterCharacterSet] isEqual:@""]);
test([[@"abc123%^&" removeAllCharactersIn:NSCharacterSet.letterCharacterSet] isEqual:@"123%^&"]);
test([[@"" removeAllCharactersIn:NSCharacterSet.decimalDigitCharacterSet] isEqual:@""]);
test([[@"1" removeAllCharactersIn:NSCharacterSet.decimalDigitCharacterSet] isEqual:@""]);
test([[@"a" removeAllCharactersIn:NSCharacterSet.decimalDigitCharacterSet] isEqual:@"a"]);
test([[@"A" removeAllCharactersIn:NSCharacterSet.decimalDigitCharacterSet] isEqual:@"A"]);
test([[@"abc123%^&" removeAllCharactersIn:NSCharacterSet.decimalDigitCharacterSet] isEqual:@"abc%^&"]);
}
-(void) testDigitsOnly {
test([@"".digitsOnly isEqual:@""]);
test([@"1".digitsOnly isEqual:@"1"]);
test([@"a".digitsOnly isEqual:@""]);
test([@"(555) 235-7111".digitsOnly isEqual:@"5552357111"]);
}
@end