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
7 #include "testing/gtest/include/gtest/gtest.h"
8
9 namespace {
10
TEST(OnedEAN13WriterTest,Encode)11 TEST(OnedEAN13WriterTest, Encode) {
12 CBC_OnedEAN13Writer writer;
13 writer.InitEANWriter();
14 int32_t width;
15 int32_t height;
16 uint8_t* encoded;
17 const char* expected;
18
19 // EAN-13 barcodes encode 13-digit numbers into 95 modules in a unidimensional
20 // disposition.
21 encoded = writer.Encode("", BCFORMAT_EAN_13, width, height);
22 EXPECT_EQ(nullptr, encoded);
23 FX_Free(encoded);
24
25 encoded = writer.Encode("123", BCFORMAT_EAN_13, width, height);
26 EXPECT_EQ(nullptr, encoded);
27 FX_Free(encoded);
28
29 encoded = writer.Encode("123456789012", BCFORMAT_EAN_13, width, height);
30 EXPECT_EQ(nullptr, encoded);
31 FX_Free(encoded);
32
33 encoded = writer.Encode("12345678901234", BCFORMAT_EAN_13, width, height);
34 EXPECT_EQ(nullptr, encoded);
35 FX_Free(encoded);
36
37 encoded = writer.Encode("1234567890128", BCFORMAT_EAN_13, width, height);
38 EXPECT_NE(nullptr, encoded);
39 EXPECT_EQ(1, height);
40 EXPECT_EQ(95, width);
41
42 expected =
43 "# #" // Start
44 // 1 implicit by LLGLGG in next 6 digits
45 " # ##" // 2 L
46 " #### #" // 3 L
47 " ### #" // 4 G
48 " ## #" // 5 L
49 " # #" // 6 G
50 " # #" // 7 G
51 " # # " // Middle
52 "# # " // 8 R
53 "### # " // 9 R
54 "### # " // 0 R
55 "## ## " // 1 R
56 "## ## " // 2 R
57 "# # " // 8 R
58 "# #"; // End
59 for (int i = 0; i < 95; i++) {
60 EXPECT_EQ(expected[i] != ' ', !!encoded[i]) << i;
61 }
62 FX_Free(encoded);
63
64 encoded = writer.Encode("7776665554440", BCFORMAT_EAN_13, width, height);
65 EXPECT_NE(nullptr, encoded);
66 EXPECT_EQ(1, height);
67 EXPECT_EQ(95, width);
68
69 expected =
70 "# #" // Start
71 // 7 implicit by LGLGLG in next 6 digits
72 " ### ##" // 7 L
73 " # #" // 7 G
74 " # ####" // 6 L
75 " # #" // 6 G
76 " # ####" // 6 L
77 " ### #" // 5 G
78 " # # " // Middle
79 "# ### " // 5 R
80 "# ### " // 5 R
81 "# ### " // 4 R
82 "# ### " // 4 R
83 "# ### " // 4 R
84 "### # " // 0 R
85 "# #"; // End
86 for (int i = 0; i < 95; i++) {
87 EXPECT_EQ(expected[i] != ' ', !!encoded[i]) << i;
88 }
89 FX_Free(encoded);
90 }
91
TEST(OnedEAN13WriterTest,Checksum)92 TEST(OnedEAN13WriterTest, Checksum) {
93 CBC_OnedEAN13Writer writer;
94 writer.InitEANWriter();
95 EXPECT_EQ(0, writer.CalcChecksum(""));
96 EXPECT_EQ(6, writer.CalcChecksum("123"));
97 EXPECT_EQ(8, writer.CalcChecksum("123456789012"));
98 EXPECT_EQ(0, writer.CalcChecksum("777666555444"));
99 }
100
101 } // namespace
102