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
TEST(OnedEAN13WriterTest,Encode)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
TEST(OnedEAN13WriterTest,Checksum)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
99