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87 lines
4.0 KiB
Objective-C
87 lines
4.0 KiB
Objective-C
//
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// Copyright (c) 2018 Open Whisper Systems. All rights reserved.
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//
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#import "UtilTest.h"
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#import "NumberUtil.h"
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#import "TestUtil.h"
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#import <SignalMessaging/NSString+OWS.h>
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@interface NSString (OWS_Test)
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- (NSString *)removeAllCharactersIn:(NSCharacterSet *)characterSet;
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- (NSString *)filterUnsafeCharacters;
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@end
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#pragma mark -
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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) 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)testFilterUnsafeCharacters
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{
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XCTAssertEqualObjects(@"1".filterUnsafeCharacters, @"1");
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XCTAssertEqualObjects(@"alice\u202Dbob".filterUnsafeCharacters, @"alice\uFFFDbob");
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XCTAssertEqualObjects(@"\u202Dalicebob".filterUnsafeCharacters, @"\uFFFDalicebob");
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XCTAssertEqualObjects(@"alicebob\u202D".filterUnsafeCharacters, @"alicebob\uFFFD");
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XCTAssertEqualObjects(@"alice\u202Ebob".filterUnsafeCharacters, @"alice\uFFFDbob");
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XCTAssertEqualObjects(@"\u202Ealicebob".filterUnsafeCharacters, @"\uFFFDalicebob");
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XCTAssertEqualObjects(@"alicebob\u202E".filterUnsafeCharacters, @"alicebob\uFFFD");
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XCTAssertEqualObjects(@"alice\u202Dbobalice\u202Ebob".filterUnsafeCharacters, @"alice\uFFFDbobalice\uFFFDbob");
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}
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@end
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