| // Copyright 2017 PDFium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "fxbarcode/oned/BC_OnedEAN13Writer.h" |
| |
| #include "core/fxcrt/fx_memory.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace { |
| |
| TEST(OnedEAN13WriterTest, Encode) { |
| CBC_OnedEAN13Writer writer; |
| writer.InitEANWriter(); |
| int32_t width; |
| int32_t height; |
| uint8_t* encoded; |
| const char* expected; |
| |
| // EAN-13 barcodes encode 13-digit numbers into 95 modules in a unidimensional |
| // disposition. |
| encoded = writer.Encode("", BCFORMAT_EAN_13, width, height); |
| EXPECT_EQ(nullptr, encoded); |
| FX_Free(encoded); |
| |
| encoded = writer.Encode("123", BCFORMAT_EAN_13, width, height); |
| EXPECT_EQ(nullptr, encoded); |
| FX_Free(encoded); |
| |
| encoded = writer.Encode("123456789012", BCFORMAT_EAN_13, width, height); |
| EXPECT_EQ(nullptr, encoded); |
| FX_Free(encoded); |
| |
| encoded = writer.Encode("12345678901234", BCFORMAT_EAN_13, width, height); |
| EXPECT_EQ(nullptr, encoded); |
| FX_Free(encoded); |
| |
| encoded = writer.Encode("1234567890128", BCFORMAT_EAN_13, width, height); |
| EXPECT_NE(nullptr, encoded); |
| EXPECT_EQ(1, height); |
| EXPECT_EQ(95, width); |
| |
| expected = |
| "# #" // Start |
| // 1 implicit by LLGLGG in next 6 digits |
| " # ##" // 2 L |
| " #### #" // 3 L |
| " ### #" // 4 G |
| " ## #" // 5 L |
| " # #" // 6 G |
| " # #" // 7 G |
| " # # " // Middle |
| "# # " // 8 R |
| "### # " // 9 R |
| "### # " // 0 R |
| "## ## " // 1 R |
| "## ## " // 2 R |
| "# # " // 8 R |
| "# #"; // End |
| for (int i = 0; i < 95; i++) { |
| EXPECT_EQ(expected[i] != ' ', !!encoded[i]) << i; |
| } |
| FX_Free(encoded); |
| |
| encoded = writer.Encode("7776665554440", BCFORMAT_EAN_13, width, height); |
| EXPECT_NE(nullptr, encoded); |
| EXPECT_EQ(1, height); |
| EXPECT_EQ(95, width); |
| |
| expected = |
| "# #" // Start |
| // 7 implicit by LGLGLG in next 6 digits |
| " ### ##" // 7 L |
| " # #" // 7 G |
| " # ####" // 6 L |
| " # #" // 6 G |
| " # ####" // 6 L |
| " ### #" // 5 G |
| " # # " // Middle |
| "# ### " // 5 R |
| "# ### " // 5 R |
| "# ### " // 4 R |
| "# ### " // 4 R |
| "# ### " // 4 R |
| "### # " // 0 R |
| "# #"; // End |
| for (int i = 0; i < 95; i++) { |
| EXPECT_EQ(expected[i] != ' ', !!encoded[i]) << i; |
| } |
| FX_Free(encoded); |
| } |
| |
| TEST(OnedEAN13WriterTest, Checksum) { |
| CBC_OnedEAN13Writer writer; |
| writer.InitEANWriter(); |
| EXPECT_EQ(0, writer.CalcChecksum("")); |
| EXPECT_EQ(6, writer.CalcChecksum("123")); |
| EXPECT_EQ(8, writer.CalcChecksum("123456789012")); |
| EXPECT_EQ(0, writer.CalcChecksum("777666555444")); |
| } |
| |
| } // namespace |