1 // Copyright 2017 The PDFium Authors
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
7 #include <string.h>
8
9 #include "core/fxcrt/compiler_specific.h"
10 #include "core/fxcrt/data_vector.h"
11 #include "testing/gtest/include/gtest/gtest.h"
12
13 namespace {
14
TEST(OnedEAN13WriterTest,Encode)15 TEST(OnedEAN13WriterTest, Encode) {
16 CBC_OnedEAN13Writer writer;
17 writer.InitEANWriter();
18
19 // EAN-13 barcodes encode 13-digit numbers into 95 modules in a unidimensional
20 // disposition.
21 EXPECT_TRUE(writer.Encode("").empty());
22 EXPECT_TRUE(writer.Encode("123").empty());
23 EXPECT_TRUE(writer.Encode("123456789012").empty());
24 EXPECT_TRUE(writer.Encode("12345678901234").empty());
25
26 static const char kExpected1[] =
27 "# #" // Start
28 // 1 implicit by LLGLGG in next 6 digits
29 " # ##" // 2 L
30 " #### #" // 3 L
31 " ### #" // 4 G
32 " ## #" // 5 L
33 " # #" // 6 G
34 " # #" // 7 G
35 " # # " // Middle
36 "# # " // 8 R
37 "### # " // 9 R
38 "### # " // 0 R
39 "## ## " // 1 R
40 "## ## " // 2 R
41 "# # " // 8 R
42 "# #"; // End
43 DataVector<uint8_t> encoded = writer.Encode("1234567890128");
44 for (size_t i = 0; i < strlen(kExpected1); i++) {
45 UNSAFE_TODO(EXPECT_EQ(kExpected1[i] != ' ', !!encoded[i])) << i;
46 }
47 static const char kExpected2[] =
48 "# #" // Start
49 // 7 implicit by LGLGLG in next 6 digits
50 " ### ##" // 7 L
51 " # #" // 7 G
52 " # ####" // 6 L
53 " # #" // 6 G
54 " # ####" // 6 L
55 " ### #" // 5 G
56 " # # " // Middle
57 "# ### " // 5 R
58 "# ### " // 5 R
59 "# ### " // 4 R
60 "# ### " // 4 R
61 "# ### " // 4 R
62 "### # " // 0 R
63 "# #"; // End
64 encoded = writer.Encode("7776665554440");
65 ASSERT_EQ(strlen(kExpected2), encoded.size());
66 for (size_t i = 0; i < strlen(kExpected2); i++) {
67 UNSAFE_TODO(EXPECT_EQ(kExpected2[i] != ' ', !!encoded[i])) << i;
68 }
69 }
70
TEST(OnedEAN13WriterTest,Checksum)71 TEST(OnedEAN13WriterTest, Checksum) {
72 CBC_OnedEAN13Writer writer;
73 writer.InitEANWriter();
74 EXPECT_EQ(0, writer.CalcChecksum(""));
75 EXPECT_EQ(6, writer.CalcChecksum("123"));
76 EXPECT_EQ(8, writer.CalcChecksum("123456789012"));
77 EXPECT_EQ(0, writer.CalcChecksum("777666555444"));
78 }
79
80 } // namespace
81