/* * Copyright 2012 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 "ZXQRCodeMatrixUtil.h" #import "ZXQRCodeMatrixUtilTestCase.h" @implementation ZXQRCodeMatrixUtilTestCase - (void)testToString { ZXByteMatrix *array = [[ZXByteMatrix alloc] initWithWidth:3 height:3]; [array setX:0 y:0 intValue:0]; [array setX:1 y:0 intValue:1]; [array setX:2 y:0 intValue:0]; [array setX:0 y:1 intValue:1]; [array setX:1 y:1 intValue:0]; [array setX:2 y:1 intValue:1]; [array setX:0 y:2 intValue:-1]; [array setX:1 y:2 intValue:-1]; [array setX:2 y:2 intValue:-1]; NSString *expected = @" 0 1 0\n 1 0 1\n \n"; XCTAssertEqualObjects(expected, [array description]); } - (void)testClearMatrix { ZXByteMatrix *matrix = [[ZXByteMatrix alloc] initWithWidth:2 height:2]; [ZXQRCodeMatrixUtil clearMatrix:matrix]; XCTAssertEqual(-1, [matrix getX:0 y:0]); XCTAssertEqual(-1, [matrix getX:1 y:0]); XCTAssertEqual(-1, [matrix getX:0 y:1]); XCTAssertEqual(-1, [matrix getX:1 y:1]); } - (void)testEmbedBasicPatterns1 { // Version 1. ZXByteMatrix *matrix = [[ZXByteMatrix alloc] initWithWidth:21 height:21]; [ZXQRCodeMatrixUtil clearMatrix:matrix]; [ZXQRCodeMatrixUtil embedBasicPatterns:[ZXQRCodeVersion versionForNumber:1] matrix:matrix error:nil]; NSString *expected = @" 1 1 1 1 1 1 1 0 0 1 1 1 1 1 1 1\n" " 1 0 0 0 0 0 1 0 0 1 0 0 0 0 0 1\n" " 1 0 1 1 1 0 1 0 0 1 0 1 1 1 0 1\n" " 1 0 1 1 1 0 1 0 0 1 0 1 1 1 0 1\n" " 1 0 1 1 1 0 1 0 0 1 0 1 1 1 0 1\n" " 1 0 0 0 0 0 1 0 0 1 0 0 0 0 0 1\n" " 1 1 1 1 1 1 1 0 1 0 1 0 1 0 1 1 1 1 1 1 1\n" " 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0\n" " 1 \n" " 0 \n" " 1 \n" " 0 \n" " 1 \n" " 0 0 0 0 0 0 0 0 1 \n" " 1 1 1 1 1 1 1 0 \n" " 1 0 0 0 0 0 1 0 \n" " 1 0 1 1 1 0 1 0 \n" " 1 0 1 1 1 0 1 0 \n" " 1 0 1 1 1 0 1 0 \n" " 1 0 0 0 0 0 1 0 \n" " 1 1 1 1 1 1 1 0 \n"; XCTAssertEqualObjects(expected, [matrix description]); } - (void)testEmbedBasicPatterns2 { // Version 2. Position adjustment pattern should apppear at right // bottom corner. ZXByteMatrix *matrix = [[ZXByteMatrix alloc] initWithWidth:25 height:25]; [ZXQRCodeMatrixUtil clearMatrix:matrix]; [ZXQRCodeMatrixUtil embedBasicPatterns:[ZXQRCodeVersion versionForNumber:2] matrix:matrix error:nil]; NSString *expected = @" 1 1 1 1 1 1 1 0 0 1 1 1 1 1 1 1\n" " 1 0 0 0 0 0 1 0 0 1 0 0 0 0 0 1\n" " 1 0 1 1 1 0 1 0 0 1 0 1 1 1 0 1\n" " 1 0 1 1 1 0 1 0 0 1 0 1 1 1 0 1\n" " 1 0 1 1 1 0 1 0 0 1 0 1 1 1 0 1\n" " 1 0 0 0 0 0 1 0 0 1 0 0 0 0 0 1\n" " 1 1 1 1 1 1 1 0 1 0 1 0 1 0 1 0 1 0 1 1 1 1 1 1 1\n" " 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0\n" " 1 \n" " 0 \n" " 1 \n" " 0 \n" " 1 \n" " 0 \n" " 1 \n" " 0 \n" " 1 1 1 1 1 1 \n" " 0 0 0 0 0 0 0 0 1 1 0 0 0 1 \n" " 1 1 1 1 1 1 1 0 1 0 1 0 1 \n" " 1 0 0 0 0 0 1 0 1 0 0 0 1 \n" " 1 0 1 1 1 0 1 0 1 1 1 1 1 \n" " 1 0 1 1 1 0 1 0 \n" " 1 0 1 1 1 0 1 0 \n" " 1 0 0 0 0 0 1 0 \n" " 1 1 1 1 1 1 1 0 \n"; XCTAssertEqualObjects(expected, [matrix description]); } - (void)testEmbedTypeInfo { // Type info bits = 100000011001110. ZXByteMatrix *matrix = [[ZXByteMatrix alloc] initWithWidth:21 height:21]; [ZXQRCodeMatrixUtil clearMatrix:matrix]; [ZXQRCodeMatrixUtil embedTypeInfo:[ZXQRCodeErrorCorrectionLevel errorCorrectionLevelM] maskPattern:5 matrix:matrix error:nil]; NSString *expected = @" 0 \n" " 1 \n" " 1 \n" " 1 \n" " 0 \n" " 0 \n" " \n" " 1 \n" " 1 0 0 0 0 0 0 1 1 1 0 0 1 1 1 0\n" " \n" " \n" " \n" " \n" " \n" " 0 \n" " 0 \n" " 0 \n" " 0 \n" " 0 \n" " 0 \n" " 1 \n"; XCTAssertEqualObjects(expected, [matrix description]); } - (void)testEmbedVersionInfo { // Version info bits = 000111 110010 010100 // Actually, version 7 QR Code has 45x45 matrix but we use 21x21 here // since 45x45 matrix is too big to depict. ZXByteMatrix *matrix = [[ZXByteMatrix alloc] initWithWidth:21 height:21]; [ZXQRCodeMatrixUtil clearMatrix:matrix]; [ZXQRCodeMatrixUtil maybeEmbedVersionInfo:[ZXQRCodeVersion versionForNumber:7] matrix:matrix error:nil]; NSString *expected = @" 0 0 1 \n" " 0 1 0 \n" " 0 1 0 \n" " 0 1 1 \n" " 1 1 1 \n" " 0 0 0 \n" " \n" " \n" " \n" " \n" " 0 0 0 0 1 0 \n" " 0 1 1 1 1 0 \n" " 1 0 0 1 1 0 \n" " \n" " \n" " \n" " \n" " \n" " \n" " \n" " \n"; XCTAssertEqualObjects(expected, [matrix description]); } - (void)testEmbedDataBits { // Cells other than basic patterns should be filled with zero. ZXByteMatrix *matrix = [[ZXByteMatrix alloc] initWithWidth:21 height:21]; [ZXQRCodeMatrixUtil clearMatrix:matrix]; [ZXQRCodeMatrixUtil embedBasicPatterns:[ZXQRCodeVersion versionForNumber:1] matrix:matrix error:nil]; ZXBitArray *bits = [[ZXBitArray alloc] init]; [ZXQRCodeMatrixUtil embedDataBits:bits maskPattern:-1 matrix:matrix error:nil]; NSString *expected = @" 1 1 1 1 1 1 1 0 0 0 0 0 0 0 1 1 1 1 1 1 1\n" " 1 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 1\n" " 1 0 1 1 1 0 1 0 0 0 0 0 0 0 1 0 1 1 1 0 1\n" " 1 0 1 1 1 0 1 0 0 0 0 0 0 0 1 0 1 1 1 0 1\n" " 1 0 1 1 1 0 1 0 0 0 0 0 0 0 1 0 1 1 1 0 1\n" " 1 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 1\n" " 1 1 1 1 1 1 1 0 1 0 1 0 1 0 1 1 1 1 1 1 1\n" " 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0\n" " 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0\n" " 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0\n" " 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0\n" " 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0\n" " 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0\n" " 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0\n" " 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0\n" " 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0\n" " 1 0 1 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0\n" " 1 0 1 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0\n" " 1 0 1 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0\n" " 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0\n" " 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0\n"; XCTAssertEqualObjects(expected, [matrix description]); } - (void)testBuildMatrix { // From http://www.swetake.com/qr/qr7.html const int bytesLen = 26; int8_t bytes[bytesLen] = {32, 65, 205, 69, 41, 220, 46, 128, 236, 42, 159, 74, 221, 244, 169, 239, 150, 138, 70, 237, 85, 224, 96, 74, 219, 61}; ZXBitArray *bits = [[ZXBitArray alloc] init]; for (int i = 0; i < bytesLen; i++) { [bits appendBits:bytes[i] numBits:8]; } ZXByteMatrix *matrix = [[ZXByteMatrix alloc] initWithWidth:21 height:21]; [ZXQRCodeMatrixUtil buildMatrix:bits ecLevel:[ZXQRCodeErrorCorrectionLevel errorCorrectionLevelH] version:[ZXQRCodeVersion versionForNumber:1] maskPattern:3 // Mask pattern 3 matrix:matrix error:nil]; NSString *expected = @" 1 1 1 1 1 1 1 0 0 1 1 0 0 0 1 1 1 1 1 1 1\n" " 1 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 1\n" " 1 0 1 1 1 0 1 0 0 0 0 1 0 0 1 0 1 1 1 0 1\n" " 1 0 1 1 1 0 1 0 0 1 1 0 0 0 1 0 1 1 1 0 1\n" " 1 0 1 1 1 0 1 0 1 1 0 0 1 0 1 0 1 1 1 0 1\n" " 1 0 0 0 0 0 1 0 0 0 1 1 1 0 1 0 0 0 0 0 1\n" " 1 1 1 1 1 1 1 0 1 0 1 0 1 0 1 1 1 1 1 1 1\n" " 0 0 0 0 0 0 0 0 1 1 0 1 1 0 0 0 0 0 0 0 0\n" " 0 0 1 1 0 0 1 1 1 0 0 1 1 1 1 0 1 0 0 0 0\n" " 1 0 1 0 1 0 0 0 0 0 1 1 1 0 0 1 0 1 1 1 0\n" " 1 1 1 1 0 1 1 0 1 0 1 1 1 0 0 1 1 1 0 1 0\n" " 1 0 1 0 1 1 0 1 1 1 0 0 1 1 1 0 0 1 0 1 0\n" " 0 0 1 0 0 1 1 1 0 0 0 0 0 0 1 0 1 1 1 1 1\n" " 0 0 0 0 0 0 0 0 1 1 0 1 0 0 0 0 0 1 0 1 1\n" " 1 1 1 1 1 1 1 0 1 1 1 1 0 0 0 0 1 0 1 1 0\n" " 1 0 0 0 0 0 1 0 0 0 0 1 0 1 1 1 0 0 0 0 0\n" " 1 0 1 1 1 0 1 0 0 1 0 0 1 1 0 0 1 0 0 1 1\n" " 1 0 1 1 1 0 1 0 1 1 0 1 0 0 0 0 0 1 1 1 0\n" " 1 0 1 1 1 0 1 0 1 1 1 1 0 0 0 0 1 1 1 0 0\n" " 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 1 0 0\n" " 1 1 1 1 1 1 1 0 0 0 1 1 1 1 1 0 1 0 0 1 0\n"; XCTAssertEqualObjects(expected, [matrix description]); } - (void)testFindMSBSet { XCTAssertEqual(0, [ZXQRCodeMatrixUtil findMSBSet:0]); XCTAssertEqual(1, [ZXQRCodeMatrixUtil findMSBSet:1]); XCTAssertEqual(8, [ZXQRCodeMatrixUtil findMSBSet:0x80]); XCTAssertEqual(32, [ZXQRCodeMatrixUtil findMSBSet:0x80000000]); } - (void)testCalculateBCHCode { // Encoding of type information. // From Appendix C in JISX0510:2004 (p 65) XCTAssertEqual(0xdc, [ZXQRCodeMatrixUtil calculateBCHCode:5 poly:0x537]); // From http://www.swetake.com/qr/qr6.html XCTAssertEqual(0x1c2, [ZXQRCodeMatrixUtil calculateBCHCode:0x13 poly:0x537]); // From http://www.swetake.com/qr/qr11.html XCTAssertEqual(0x214, [ZXQRCodeMatrixUtil calculateBCHCode:0x1b poly:0x537]); // Encofing of version information. // From Appendix D in JISX0510:2004 (p 68) XCTAssertEqual(0xc94, [ZXQRCodeMatrixUtil calculateBCHCode:7 poly:0x1f25]); XCTAssertEqual(0x5bc, [ZXQRCodeMatrixUtil calculateBCHCode:8 poly:0x1f25]); XCTAssertEqual(0xa99, [ZXQRCodeMatrixUtil calculateBCHCode:9 poly:0x1f25]); XCTAssertEqual(0x4d3, [ZXQRCodeMatrixUtil calculateBCHCode:10 poly:0x1f25]); XCTAssertEqual(0x9a6, [ZXQRCodeMatrixUtil calculateBCHCode:20 poly:0x1f25]); XCTAssertEqual(0xd75, [ZXQRCodeMatrixUtil calculateBCHCode:30 poly:0x1f25]); XCTAssertEqual(0xc69, [ZXQRCodeMatrixUtil calculateBCHCode:40 poly:0x1f25]); } // We don't test a lot of cases in this function since we've already // tested them in TEST(calculateBCHCode). - (void)testMakeVersionInfoBits { // From Appendix D in JISX0510:2004 (p 68) ZXBitArray *bits = [[ZXBitArray alloc] init]; [ZXQRCodeMatrixUtil makeVersionInfoBits:[ZXQRCodeVersion versionForNumber:7] bits:bits error:nil]; XCTAssertEqualObjects(@" ...XXXXX ..X..X.X ..", [bits description]); } // We don't test a lot of cases in this function since we've already // tested them in TEST(calculateBCHCode). - (void)testMakeTypeInfoInfoBits { // From Appendix C in JISX0510:2004 (p 65) ZXBitArray *bits = [[ZXBitArray alloc] init]; [ZXQRCodeMatrixUtil makeTypeInfoBits:[ZXQRCodeErrorCorrectionLevel errorCorrectionLevelM] maskPattern:5 bits:bits error:nil]; XCTAssertEqualObjects(@" X......X X..XXX.", [bits description]); } @end