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