| /* |
| * Copyright 2013 ZXing authors |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #import "ZXAztecEncoderTest.h" |
| |
| unsigned int ZXAztecEncoderTest_RANDOM_SEED = 3735928559; |
| |
| @implementation ZXAztecEncoderTest |
| |
| // real life tests |
| |
| - (void)testEncode1 { |
| [self testEncode:@"This is an example Aztec symbol for Wikipedia." compact:YES layers:3 |
| expected: |
| @"X X X X X X X X \n" |
| "X X X X X X X X X X \n" |
| "X X X X X X X X X X X \n" |
| "X X X X X X X X X X X \n" |
| " X X X X X X X X X X X \n" |
| " X X X X X X X X X X X X X \n" |
| " X X X X X X X X X X X X \n" |
| "X X X X X X X X X X X X X X X X \n" |
| "X X X X X X X X X X X \n" |
| "X X X X X X X X X X X X X X X X \n" |
| "X X X X X X X X X X \n" |
| "X X X X X X X X X X \n" |
| " X X X X X X X X X X \n" |
| " X X X X X X X X X X X X X X X X X X \n" |
| " X X X X X X X X X X X X \n" |
| " X X X X X X X X X X X X X X X X \n" |
| " X X X X X X X X X X X \n" |
| " X X X X X X X X \n" |
| " X X X X X X X X X X X X X X X X \n" |
| " X X X X X X X X X X X X \n" |
| " X X X \n" |
| " X X X X X X X X X X \n" |
| " X X X X X X X X X X \n"]; |
| } |
| |
| - (void)testEncode2 { |
| [self testEncode: |
| @"Aztec Code is a public domain 2D matrix barcode symbology" |
| " of nominally square symbols built on a square grid with a " |
| "distinctive square bullseye pattern at their center." |
| compact:NO layers:6 expected: |
| @" X X X X X X X X X X X X X X X \n" |
| " X X X X X X X X X X X X X X X \n" |
| " X X X X X X X X X X X X X X X X X X X \n" |
| "X X X X X X X X X X X X X X \n" |
| "X X X X X X X X X X X X X X X X X X X X X \n" |
| " X X X X X X X X X X X X X X X X \n" |
| "X X X X X X X X X X X X X X X X X X X X \n" |
| " X X X X X X X X X X X X X X \n" |
| "X X X X X X X X X X X X X X X X X X X X X X X X \n" |
| " X X X X X X X X X X X X X X X X X X X X \n" |
| " X X X X X X X X X X X X X X X X X X X X X X X X X X X \n" |
| " X X X X X X X X X X X X X X X X X X \n" |
| "X X X X X X X X X X X X X X X X X X X X X X X X \n" |
| " X X X X X X X X X X X X \n" |
| " X X X X X X X X X X X X X X X X X X X X X X X X X X X X \n" |
| " X X X X X X X X X X X X X X \n" |
| " X X X X X X X X X X X X X X X X X X X X X X X \n" |
| " X X X X X X X X X X X X X \n" |
| "X X X X X X X X X X X X X X X X X X X X X X \n" |
| "X X X X X X X X X X X X X X X X X X X X X \n" |
| "X X X X X X X X X X X X X X X X X X X X X \n" |
| " X X X X X X X X X X X \n" |
| " X X X X X X X X X X X X X X X X X X X X X \n" |
| "X X X X X X X X X X X X X X X X X X X \n" |
| " X X X X X X X X X X X X X X X X X X X X X X X X X X X X \n" |
| " X X X X X X X X X X X X X X \n" |
| " X X X X X X X X X X X X X X X X X X X X X X X X X X \n" |
| " X X X X X X X X X X X X X X X X X X X \n" |
| "X X X X X X X X X X X X X X X X X X X \n" |
| "X X X X X X X X X X X X X X X \n" |
| " X X X X X X X X X X X X X X X X X X X X X X \n" |
| "X X X X X X X X X X X X X X X X X X \n" |
| " X X X X X X X X X X X X X X X X X X X X X X X X X \n" |
| " X X X X X X X X X X X X X X X \n" |
| "X X X X X X X X X X X X X X X X X \n" |
| "X X X X X X X X X X X X X X X X X X X X X X X \n" |
| "X X X X X X X X X X X X X X X X X X X X X \n" |
| "X X X X X X X X X X X X X X X X \n" |
| "X X X X X X X X X X X X X X X X X X X X X \n" |
| " X X X X X X X X X X X X X X X X \n" |
| "X X X X X X X X X X X X X \n"]; |
| } |
| |
| - (void)testAztecWriter { |
| NSString *sampleData = [NSString stringWithFormat:@"%c 1 sample data.", 0x20AC]; |
| [self testWriter:sampleData encoding:NSISOLatin1StringEncoding eccPercent:25 compact:YES layers:2]; |
| [self testWriter:@"\u20AC 1 sample data." encoding:(NSStringEncoding) 0x8000020F eccPercent:25 compact:YES layers:2]; |
| [self testWriter:sampleData encoding:NSUTF8StringEncoding eccPercent:25 compact:YES layers:2]; |
| [self testWriter:sampleData encoding:NSUTF8StringEncoding eccPercent:100 compact:YES layers:3]; |
| [self testWriter:sampleData encoding:NSUTF8StringEncoding eccPercent:300 compact:YES layers:4]; |
| [self testWriter:sampleData encoding:NSUTF8StringEncoding eccPercent:500 compact:NO layers:5]; |
| // Test AztecWriter defaults |
| NSString *data = @"In ut magna vel mauris malesuada"; |
| ZXAztecWriter *writer = [[ZXAztecWriter alloc] init]; |
| ZXBitMatrix *matrix = [writer encode:data format:kBarcodeFormatAztec width:0 height:0 error:nil]; |
| int8_t bytes[4096]; |
| [data getCString:(char *)bytes maxLength:4096 encoding:NSISOLatin1StringEncoding]; |
| int bytesLen = (int)[data lengthOfBytesUsingEncoding:NSISOLatin1StringEncoding]; |
| ZXAztecCode *aztec = [ZXAztecEncoder encode:bytes len:bytesLen minECCPercent:ZX_DEFAULT_AZTEC_EC_PERCENT]; |
| ZXBitMatrix *expectedMatrix = aztec.matrix; |
| STAssertEqualObjects(expectedMatrix, matrix, @"Expected matrices to be equal"); |
| } |
| |
| // synthetic tests (encode-decode round-trip) |
| |
| - (void)testEncodeDecode1 { |
| [self testEncodeDecode:@"Abc123!" compact:YES layers:1]; |
| } |
| |
| - (void)testEncodeDecode2 { |
| [self testEncodeDecode:@"Lorem ipsum. http://test/" compact:YES layers:2]; |
| } |
| |
| - (void)testEncodeDecode3 { |
| [self testEncodeDecode:@"AAAANAAAANAAAANAAAANAAAANAAAANAAAANAAAANAAAANAAAAN" compact:YES layers:3]; |
| } |
| |
| - (void)testEncodeDecode4 { |
| [self testEncodeDecode:@"http://test/~!@#*^%&)__ ;:'\"[]{}\\|-+-=`1029384" compact:YES layers:4]; |
| } |
| |
| - (void)testEncodeDecode5 { |
| [self testEncodeDecode:@"http://test/~!@#*^%&)__ ;:'\"[]{}\\|-+-=`1029384756<>/?abc" compact:NO layers:5]; |
| } |
| |
| - (void)testEncodeDecode10 { |
| [self testEncodeDecode: |
| @"In ut magna vel mauris malesuada dictum. Nulla ullamcorper metus quis diam" |
| " cursus facilisis. Sed mollis quam id justo rutrum sagittis. Donec laoreet rutrum" |
| " est, nec convallis mauris condimentum sit amet. Phasellus gravida, justo et congue" |
| " auctor, nisi ipsum viverra erat, eget hendrerit felis turpis nec lorem. Nulla" |
| " ultrices, elit pellentesque aliquet laoreet, justo erat pulvinar nisi, id" |
| " elementum sapien dolor et diam." |
| compact:NO layers:10]; |
| } |
| |
| - (void)testEncodeDecode23 { |
| [self testEncodeDecode: |
| @"In ut magna vel mauris malesuada dictum. Nulla ullamcorper metus quis diam" |
| " cursus facilisis. Sed mollis quam id justo rutrum sagittis. Donec laoreet rutrum" |
| " est, nec convallis mauris condimentum sit amet. Phasellus gravida, justo et congue" |
| " auctor, nisi ipsum viverra erat, eget hendrerit felis turpis nec lorem. Nulla" |
| " ultrices, elit pellentesque aliquet laoreet, justo erat pulvinar nisi, id" |
| " elementum sapien dolor et diam. Donec ac nunc sodales elit placerat eleifend." |
| " Sed ornare luctus ornare. Vestibulum vehicula, massa at pharetra fringilla, risus" |
| " justo faucibus erat, nec porttitor nibh tellus sed est. Ut justo diam, lobortis eu" |
| " tristique ac, p.In ut magna vel mauris malesuada dictum. Nulla ullamcorper metus" |
| " quis diam cursus facilisis. Sed mollis quam id justo rutrum sagittis. Donec" |
| " laoreet rutrum est, nec convallis mauris condimentum sit amet. Phasellus gravida," |
| " justo et congue auctor, nisi ipsum viverra erat, eget hendrerit felis turpis nec" |
| " lorem. Nulla ultrices, elit pellentesque aliquet laoreet, justo erat pulvinar" |
| " nisi, id elementum sapien dolor et diam. Donec ac nunc sodales elit placerat" |
| " eleifend. Sed ornare luctus ornare. Vestibulum vehicula, massa at pharetra" |
| " fringilla, risus justo faucibus erat, nec porttitor nibh tellus sed est. Ut justo" |
| " diam, lobortis eu tristique ac, p. In ut magna vel mauris malesuada dictum. Nulla" |
| " ullamcorper metus quis diam cursus facilisis. Sed mollis quam id justo rutrum" |
| " sagittis. Donec laoreet rutrum est, nec convallis mauris condimentum sit amet." |
| " Phasellus gravida, justo et congue auctor, nisi ipsum viverra erat, eget hendrerit" |
| " felis turpis nec lorem. Nulla ultrices, elit pellentesque aliquet laoreet, justo" |
| " erat pulvinar nisi, id elementum sapien dolor et diam." |
| compact:NO layers:23]; |
| } |
| |
| - (void)testEncodeDecode31 { |
| [self testEncodeDecode: |
| @"In ut magna vel mauris malesuada dictum. Nulla ullamcorper metus quis diam" |
| " cursus facilisis. Sed mollis quam id justo rutrum sagittis. Donec laoreet rutrum" |
| " est, nec convallis mauris condimentum sit amet. Phasellus gravida, justo et congue" |
| " auctor, nisi ipsum viverra erat, eget hendrerit felis turpis nec lorem. Nulla" |
| " ultrices, elit pellentesque aliquet laoreet, justo erat pulvinar nisi, id" |
| " elementum sapien dolor et diam. Donec ac nunc sodales elit placerat eleifend." |
| " Sed ornare luctus ornare. Vestibulum vehicula, massa at pharetra fringilla, risus" |
| " justo faucibus erat, nec porttitor nibh tellus sed est. Ut justo diam, lobortis eu" |
| " tristique ac, p.In ut magna vel mauris malesuada dictum. Nulla ullamcorper metus" |
| " quis diam cursus facilisis. Sed mollis quam id justo rutrum sagittis. Donec" |
| " laoreet rutrum est, nec convallis mauris condimentum sit amet. Phasellus gravida," |
| " justo et congue auctor, nisi ipsum viverra erat, eget hendrerit felis turpis nec" |
| " lorem. Nulla ultrices, elit pellentesque aliquet laoreet, justo erat pulvinar" |
| " nisi, id elementum sapien dolor et diam. Donec ac nunc sodales elit placerat" |
| " eleifend. Sed ornare luctus ornare. Vestibulum vehicula, massa at pharetra" |
| " fringilla, risus justo faucibus erat, nec porttitor nibh tellus sed est. Ut justo" |
| " diam, lobortis eu tristique ac, p. In ut magna vel mauris malesuada dictum. Nulla" |
| " ullamcorper metus quis diam cursus facilisis. Sed mollis quam id justo rutrum" |
| " sagittis. Donec laoreet rutrum est, nec convallis mauris condimentum sit amet." |
| " Phasellus gravida, justo et congue auctor, nisi ipsum viverra erat, eget hendrerit" |
| " felis turpis nec lorem. Nulla ultrices, elit pellentesque aliquet laoreet, justo" |
| " erat pulvinar nisi, id elementum sapien dolor et diam. Donec ac nunc sodales elit" |
| " placerat eleifend. Sed ornare luctus ornare. Vestibulum vehicula, massa at" |
| " pharetra fringilla, risus justo faucibus erat, nec porttitor nibh tellus sed est." |
| " Ut justo diam, lobortis eu tristique ac, p.In ut magna vel mauris malesuada" |
| " dictum. Nulla ullamcorper metus quis diam cursus facilisis. Sed mollis quam id" |
| " justo rutrum sagittis. Donec laoreet rutrum est, nec convallis mauris condimentum" |
| " sit amet. Phasellus gravida, justo et congue auctor, nisi ipsum viverra erat," |
| " eget hendrerit felis turpis nec lorem. Nulla ultrices, elit pellentesque aliquet" |
| " laoreet, justo erat pulvinar nisi, id elementum sapien dolor et diam. Donec ac" |
| " nunc sodales elit placerat eleifend. Sed ornare luctus ornare. Vestibulum vehicula," |
| " massa at pharetra fringilla, risus justo faucibus erat, nec porttitor nibh tellus" |
| " sed est. Ut justo diam, lobortis eu tris. In ut magna vel mauris malesuada dictum." |
| " Nulla ullamcorper metus quis diam cursus facilisis. Sed mollis quam id justo rutrum" |
| " sagittis. Donec laoreet rutrum est, nec convallis mauris condimentum sit amet." |
| " Phasellus gravida, justo et congue auctor, nisi ipsum viverra erat, eget" |
| " hendrerit felis turpis nec lorem." |
| compact:NO layers:31]; |
| } |
| |
| - (void)testGenerateModeMessage { |
| [self testModeMessageCompact:YES layers:2 words:29 expected:@".X .XXX.. ...X XX.. ..X .XX. .XX.X"]; |
| [self testModeMessageCompact:YES layers:4 words:64 expected:@"XX XXXXXX .X.. ...X ..XX .X.. XX.."]; |
| [self testModeMessageCompact:NO layers:21 words:660 expected:@"X.X.. .X.X..X..XX .XXX ..X.. .XXX. .X... ..XXX"]; |
| [self testModeMessageCompact:NO layers:32 words:4096 expected:@"XXXXX XXXXXXXXXXX X.X. ..... XXX.X ..X.. X.XXX"]; |
| } |
| |
| - (void)testStuffBits { |
| [self testStuffBits:5 bits:@".X.X. X.X.X .X.X." expected:@".X.X. X.X.X .X.X."]; |
| [self testStuffBits:5 bits:@".X.X. ..... .X.X" |
| expected:@".X.X. ....X ..X.X"]; |
| [self testStuffBits:3 bits:@"XX. ... ... ..X XXX .X. .." |
| expected:@"XX. ..X ..X ..X ..X .XX XX. .X. ..X"]; |
| [self testStuffBits:6 bits:@".X.X.. ...... ..X.XX" |
| expected:@".X.X.. .....X. ..X.XX XXXX."]; |
| [self testStuffBits:6 bits:@".X.X.. ...... ...... ..X.X." |
| expected:@".X.X.. .....X .....X ....X. X.XXXX"]; |
| [self testStuffBits:6 bits:@".X.X.. XXXXXX ...... ..X.XX" |
| expected:@".X.X.. XXXXX. X..... ...X.X XXXXX."]; |
| [self testStuffBits:6 |
| bits:@"...... ..XXXX X..XX. .X.... .X.X.X .....X .X.... ...X.X .....X ....XX ..X... ....X. X..XXX X.XX.X" |
| expected:@".....X ...XXX XX..XX ..X... ..X.X. X..... X.X... ....X. X..... X....X X..X.. .....X X.X..X XXX.XX .XXXXX"]; |
| } |
| |
| - (void)testHighLevelEncode { |
| [self testHighLevelEncodeString:@"A. b." |
| expectedBits:@"...X. ..... ...XX XXX.. ...XX XXXX. XX.X"]; |
| [self testHighLevelEncodeString:@"Lorem ipsum." |
| expectedBits:@".XX.X XXX.. X.... X..XX ..XX. .XXX. ....X .X.X. X...X X.X.. X.XX. .XXX. XXXX. XX.X"]; |
| [self testHighLevelEncodeString:@"Lo. Test 123." |
| expectedBits:@".XX.X XXX.. X.... ..... ...XX XXX.. X.X.X ..XX. X.X.. X.X.X ....X XXXX. ..XX .X.. .X.X XX.X"]; |
| [self testHighLevelEncodeString:@"Lo...x" |
| expectedBits:@".XX.X XXX.. X.... XXXX. XX.X XX.X XX.X XXX. XXX.. XX..X"]; |
| [self testHighLevelEncodeString:@". x://abc/." |
| expectedBits:@"..... ...XX XXX.. XX..X ..... X.X.X ..... X.X.. ..... X.X.. ...X. ...XX ..X.. ..... X.X.. XXXX. XX.X"]; |
| } |
| |
| - (void)testHighLevelEncodeBinary { |
| // binary short form single byte |
| [self testHighLevelEncodeString:@"N\0N" |
| expectedBits:@".XXXX XXXXX ...X. ........ .X..XXX."]; |
| // binary short form consecutive bytes |
| [self testHighLevelEncodeString:[NSString stringWithFormat:@"N\0%C A", 0x0080] |
| expectedBits:@".XXXX XXXXX ...X. ........ X....... ....X ...X."]; |
| // binary skipping over single character |
| [self testHighLevelEncodeString:[NSString stringWithFormat:@"\0a%C%C A", 0x00FF, 0x0080] |
| expectedBits:@"XXXXX ..X.. ........ .XX....X XXXXXXXX X....... ....X ...X."]; |
| // binary long form optimization into 2 short forms (saves 1 bit) |
| [self testHighLevelEncodeString:[NSString stringWithFormat:@"\0\0\0\0 \0\0\0\0 \0\0\0\0 \0\0\0\0 \0\0\0\0 \0\0\0\0 %C%C%C\0 \0\0\0\0 \0\0\0\0 ", 0x0082, 0x0084, 0x0088] |
| expectedBits: |
| @"XXXXX XXXXX ........ ........ ........ ........ ..X....." |
| " ........ ........ ........ ........ ..X....." |
| " ........ ........ ........ ........ ..X....." |
| " ........ ........ ........ ........ ..X....." |
| " ........ ........ ........ ........ ..X....." |
| " ........ ........ ........ ........ ..X....." |
| " X.....X. XXXXX .XXX. X....X.. X...X... ........ ..X....." |
| " ........ ........ ........ ........ ..X....." |
| " ........ ........ ........ ........ ..X....."]; |
| // binary long form |
| [self testHighLevelEncodeString:[NSString stringWithFormat:@"\0\0\0\0 \0\0\1\0 \0\0\2\0 \0\0\3\0 \0\0\4\0 \0\0\5\0 \0\0\6\0 \0\0\7\0 \0\0%C\0 \0\0%C\0 \0\0\u00F0\0 \0\0\u00F1\0 \0\0\u00F2\0A", 0x0008, 0x0009] |
| expectedBits: |
| @"XXXXX ..... .....X...X. ........ ........ ........ ........ ..X....." |
| " ........ ........ .......X ........ ..X....." |
| " ........ ........ ......X. ........ ..X....." |
| " ........ ........ ......XX ........ ..X....." |
| " ........ ........ .....X.. ........ ..X....." |
| " ........ ........ .....X.X ........ ..X....." |
| " ........ ........ .....XX. ........ ..X....." |
| " ........ ........ .....XXX ........ ..X....." |
| " ........ ........ ....X... ........ ..X....." |
| " ........ ........ ....X..X ........ ..X....." |
| " ........ ........ XXXX.... ........ ..X....." |
| " ........ ........ XXXX...X ........ ..X....." |
| " ........ ........ XXXX..X. ........ .X.....X"]; |
| } |
| |
| // Helper routines |
| |
| - (void)testEncode:(NSString *)data compact:(BOOL)compact layers:(int)layers expected:(NSString *)expected { |
| int8_t bytes[4096]; |
| [data getCString:(char *)bytes maxLength:4096 encoding:NSISOLatin1StringEncoding]; |
| int bytesLen = (int)[data lengthOfBytesUsingEncoding:NSISOLatin1StringEncoding]; |
| |
| ZXAztecCode *aztec = [ZXAztecEncoder encode:bytes len:bytesLen minECCPercent:33]; |
| STAssertEquals(aztec.compact, compact, @"Unexpected symbol format (compact)"); |
| STAssertEquals(aztec.layers, layers, @"Unexpected nr. of layers"); |
| ZXBitMatrix *matrix = aztec.matrix; |
| STAssertEqualObjects([matrix description], expected, @"encode() failed"); |
| } |
| |
| - (void)testEncodeDecode:(NSString *)data compact:(BOOL)compact layers:(int)layers { |
| int8_t bytes[4096]; |
| [data getCString:(char *)bytes maxLength:4096 encoding:NSISOLatin1StringEncoding]; |
| int bytesLen = (int)[data lengthOfBytesUsingEncoding:NSISOLatin1StringEncoding]; |
| |
| ZXAztecCode *aztec = [ZXAztecEncoder encode:bytes len:bytesLen minECCPercent:25]; |
| STAssertEquals(aztec.compact, compact, @"Unexpected symbol format (compact)"); |
| STAssertEquals(aztec.layers, layers, @"Unexpected nr. of layers"); |
| ZXBitMatrix *matrix = aztec.matrix; |
| ZXAztecDetectorResult *r = [[ZXAztecDetectorResult alloc] initWithBits:matrix points:@[] compact:aztec.compact nbDatablocks:aztec.codeWords nbLayers:aztec.layers]; |
| ZXDecoderResult *res = [[[ZXAztecDecoder alloc] init] decode:r error:nil]; |
| STAssertEqualObjects(res.text, data, @"Data did not match"); |
| // Check error correction by introducing a few minor errors |
| srand(ZXAztecEncoderTest_RANDOM_SEED); |
| [matrix flipX:rand() % matrix.width y:rand() % 2]; |
| [matrix flipX:rand() % matrix.width y:matrix.height - 2 + rand() % 2]; |
| [matrix flipX:rand() % 2 y:rand() % matrix.height]; |
| [matrix flipX:matrix.width - 2 + rand() % 2 y:rand() % matrix.height]; |
| r = [[ZXAztecDetectorResult alloc] initWithBits:matrix points:@[] compact:aztec.compact nbDatablocks:aztec.codeWords nbLayers:aztec.layers]; |
| res = [[[ZXAztecDecoder alloc] init] decode:r error:nil]; |
| STAssertEqualObjects(res.text, data, @"Data did not match"); |
| } |
| |
| - (void)testWriter:(NSString *)data encoding:(NSStringEncoding)encoding eccPercent:(int)eccPercent compact:(BOOL)compact layers:(int)layers { |
| // 1. Perform an encode-decode round-trip because it can be lossy. |
| // 2. Aztec Decoder currently always decodes the data with a LATIN-1 charset: |
| NSData *rawData = [data dataUsingEncoding:encoding]; |
| int8_t *bytes = (int8_t *)[rawData bytes]; |
| int bytesLen = (int)[rawData length]; |
| NSString *expectedData = [[NSString alloc] initWithBytes:bytes length:bytesLen encoding:NSISOLatin1StringEncoding]; |
| ZXEncodeHints *hints = [ZXEncodeHints hints]; |
| hints.encoding = encoding; |
| hints.errorCorrectionPercent = @(eccPercent); |
| ZXAztecWriter *writer = [[ZXAztecWriter alloc] init]; |
| ZXBitMatrix *matrix = [writer encode:data format:kBarcodeFormatAztec width:0 height:0 hints:hints error:nil]; |
| ZXAztecCode *aztec = [ZXAztecEncoder encode:bytes len:bytesLen minECCPercent:eccPercent]; |
| STAssertEquals(aztec.compact, compact, @"Unexpected symbol format (compact)"); |
| STAssertEquals(aztec.layers, layers, @"Unexpected nr. of layers"); |
| ZXBitMatrix *matrix2 = aztec.matrix; |
| STAssertEqualObjects(matrix2, matrix, @"Expected matrices to be equal"); |
| ZXAztecDetectorResult *r = [[ZXAztecDetectorResult alloc] initWithBits:matrix points:@[] compact:aztec.compact nbDatablocks:aztec.codeWords nbLayers:aztec.layers]; |
| ZXDecoderResult *res = [[[ZXAztecDecoder alloc] init] decode:r error:nil]; |
| STAssertEqualObjects(res.text, expectedData, @"Data did not match"); |
| // Check error correction by introducing up to eccPercent errors |
| srand(ZXAztecEncoderTest_RANDOM_SEED); |
| NSInteger ecWords = aztec.codeWords * eccPercent / 100; |
| for (NSInteger i = 0; i < ecWords; i++) { |
| // don't touch the core |
| int x = rand() % 2 > 0 ? |
| rand() % aztec.layers * 2 |
| : matrix.width - 1 - (rand() % aztec.layers * 2); |
| int y = rand() % 2 > 0 ? |
| rand() % aztec.layers * 2 |
| : matrix.height - 1 - (rand() % aztec.layers * 2); |
| [matrix flipX:x y:y]; |
| } |
| r = [[ZXAztecDetectorResult alloc] initWithBits:matrix points:@[] compact:aztec.compact nbDatablocks:aztec.codeWords nbLayers:aztec.layers]; |
| res = [[[ZXAztecDecoder alloc] init] decode:r error:nil]; |
| STAssertEqualObjects(res.text, expectedData, @"Data did not match"); |
| } |
| |
| - (void)testModeMessageCompact:(BOOL)compact layers:(int)layers words:(int)words expected:(NSString *)expected { |
| ZXBitArray *inArray = [ZXAztecEncoder generateModeMessageCompact:compact layers:layers messageSizeInWords:words]; |
| STAssertEqualObjects([[inArray description] stringByReplacingOccurrencesOfString:@" " withString:@""], [expected stringByReplacingOccurrencesOfString:@" " withString:@""], @"generateModeMessage() failed"); |
| } |
| |
| - (void)testStuffBits:(int)wordSize bits:(NSString *)bits expected:(NSString *)expected { |
| ZXBitArray *inArray = [self toBitArray:bits]; |
| ZXBitArray *stuffed = [ZXAztecEncoder stuffBits:inArray wordSize:wordSize]; |
| STAssertEqualObjects([[stuffed description] stringByReplacingOccurrencesOfString:@" " withString:@""], [expected stringByReplacingOccurrencesOfString:@" " withString:@""], @"stuffBits() failed for input string: %@", bits); |
| } |
| |
| - (ZXBitArray *)toBitArray:(NSString *)bits { |
| static NSRegularExpression *DOTX = nil; |
| if (!DOTX) { |
| DOTX = [NSRegularExpression regularExpressionWithPattern:@"[^.X]" options:0 error:nil]; |
| } |
| |
| ZXBitArray *inArray = [[ZXBitArray alloc] init]; |
| NSString *str = [DOTX stringByReplacingMatchesInString:bits options:0 range:NSMakeRange(0, bits.length) withTemplate:@""]; |
| for (NSInteger i = 0; i < str.length; i++) { |
| unichar aStr = [str characterAtIndex:i]; |
| [inArray appendBit:aStr == 'X']; |
| } |
| return inArray; |
| } |
| |
| - (void)testHighLevelEncodeString:(NSString *)s expectedBits:(NSString *)expectedBits { |
| int8_t bytes[4096]; |
| [s getCString:(char *)bytes maxLength:4096 encoding:NSISOLatin1StringEncoding]; |
| int bytesLen = (int)[s lengthOfBytesUsingEncoding:NSISOLatin1StringEncoding]; |
| |
| ZXBitArray *bits = [ZXAztecEncoder highLevelEncode:bytes len:bytesLen]; |
| NSString *receivedBits = [[bits description] stringByReplacingOccurrencesOfString:@" " withString:@""]; |
| STAssertEqualObjects(receivedBits, [expectedBits stringByReplacingOccurrencesOfString:@" " withString:@""], @"highLevelEncode() failed for input string: %@", s); |
| } |
| |
| @end |
