Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1 | // Copyright 2017 PDFium Authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #include "fxbarcode/oned/BC_OnedEAN13Writer.h" |
| 6 | #include "testing/gtest/include/gtest/gtest.h" |
| 7 | |
| 8 | namespace { |
| 9 | |
| 10 | TEST(OnedEAN13WriterTest, Encode) { |
| 11 | CBC_OnedEAN13Writer writer; |
| 12 | int32_t width; |
| 13 | int32_t height; |
| 14 | uint8_t* encoded; |
| 15 | const char* expected; |
| 16 | |
| 17 | // EAN-13 barcodes encode 13-digit numbers into 95 modules in a unidimensional |
| 18 | // disposition. |
| 19 | encoded = writer.Encode("", BCFORMAT_EAN_13, width, height); |
| 20 | EXPECT_EQ(nullptr, encoded); |
| 21 | FX_Free(encoded); |
| 22 | |
| 23 | encoded = writer.Encode("123", BCFORMAT_EAN_13, width, height); |
| 24 | EXPECT_EQ(nullptr, encoded); |
| 25 | FX_Free(encoded); |
| 26 | |
| 27 | encoded = writer.Encode("123456789012", BCFORMAT_EAN_13, width, height); |
| 28 | EXPECT_EQ(nullptr, encoded); |
| 29 | FX_Free(encoded); |
| 30 | |
| 31 | encoded = writer.Encode("12345678901234", BCFORMAT_EAN_13, width, height); |
| 32 | EXPECT_EQ(nullptr, encoded); |
| 33 | FX_Free(encoded); |
| 34 | |
| 35 | encoded = writer.Encode("1234567890128", BCFORMAT_EAN_13, width, height); |
| 36 | EXPECT_NE(nullptr, encoded); |
| 37 | EXPECT_EQ(1, height); |
| 38 | EXPECT_EQ(95, width); |
| 39 | |
| 40 | expected = |
| 41 | "# #" // Start |
| 42 | // 1 implicit by LLGLGG in next 6 digits |
| 43 | " # ##" // 2 L |
| 44 | " #### #" // 3 L |
| 45 | " ### #" // 4 G |
| 46 | " ## #" // 5 L |
| 47 | " # #" // 6 G |
| 48 | " # #" // 7 G |
| 49 | " # # " // Middle |
| 50 | "# # " // 8 R |
| 51 | "### # " // 9 R |
| 52 | "### # " // 0 R |
| 53 | "## ## " // 1 R |
| 54 | "## ## " // 2 R |
| 55 | "# # " // 8 R |
| 56 | "# #"; // End |
| 57 | for (int i = 0; i < 95; i++) { |
| 58 | EXPECT_EQ(expected[i] != ' ', !!encoded[i]) << i; |
| 59 | } |
| 60 | FX_Free(encoded); |
| 61 | |
| 62 | encoded = writer.Encode("7776665554440", BCFORMAT_EAN_13, width, height); |
| 63 | EXPECT_NE(nullptr, encoded); |
| 64 | EXPECT_EQ(1, height); |
| 65 | EXPECT_EQ(95, width); |
| 66 | |
| 67 | expected = |
| 68 | "# #" // Start |
| 69 | // 7 implicit by LGLGLG in next 6 digits |
| 70 | " ### ##" // 7 L |
| 71 | " # #" // 7 G |
| 72 | " # ####" // 6 L |
| 73 | " # #" // 6 G |
| 74 | " # ####" // 6 L |
| 75 | " ### #" // 5 G |
| 76 | " # # " // Middle |
| 77 | "# ### " // 5 R |
| 78 | "# ### " // 5 R |
| 79 | "# ### " // 4 R |
| 80 | "# ### " // 4 R |
| 81 | "# ### " // 4 R |
| 82 | "### # " // 0 R |
| 83 | "# #"; // End |
| 84 | for (int i = 0; i < 95; i++) { |
| 85 | EXPECT_EQ(expected[i] != ' ', !!encoded[i]) << i; |
| 86 | } |
| 87 | FX_Free(encoded); |
| 88 | } |
| 89 | |
| 90 | TEST(OnedEAN13WriterTest, Checksum) { |
| 91 | CBC_OnedEAN13Writer writer; |
| 92 | EXPECT_EQ(0, writer.CalcChecksum("")); |
| 93 | EXPECT_EQ(6, writer.CalcChecksum("123")); |
| 94 | EXPECT_EQ(8, writer.CalcChecksum("123456789012")); |
| 95 | EXPECT_EQ(0, writer.CalcChecksum("777666555444")); |
| 96 | } |
| 97 | |
| 98 | } // namespace |