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_OnedUPCAWriter.h"
6 #include "testing/gtest/include/gtest/gtest.h"
7
8 namespace {
9
TEST(OnedUPCAWriterTest,Encode)10 TEST(OnedUPCAWriterTest, Encode) {
11 CBC_OnedUPCAWriter writer;
12 int32_t width;
13 int32_t height;
14
15 // TODO(hnakashima): CBC_OnedUPCAWriter is unique in that it needs to be
16 // Init()'d. Get rid of this call.
17 writer.Init();
18
19 // UPCA barcodes encode 12-digit numbers into 95 modules in a unidimensional
20 // disposition.
21 uint8_t* encoded = writer.Encode("", BCFORMAT_UPC_A, width, height);
22 EXPECT_EQ(nullptr, encoded);
23 FX_Free(encoded);
24
25 encoded = writer.Encode("123", BCFORMAT_UPC_A, width, height);
26 EXPECT_EQ(nullptr, encoded);
27 FX_Free(encoded);
28
29 encoded = writer.Encode("12345678901", BCFORMAT_UPC_A, width, height);
30 EXPECT_EQ(nullptr, encoded);
31 FX_Free(encoded);
32
33 encoded = writer.Encode("1234567890123", BCFORMAT_UPC_A, width, height);
34 EXPECT_EQ(nullptr, encoded);
35 FX_Free(encoded);
36
37 encoded = writer.Encode("123456789012", BCFORMAT_UPC_A, width, height);
38 const char* expected =
39 "# #" // Start
40 " ## #" // 1 L
41 " # ##" // 2 L
42 " #### #" // 3 L
43 " # ##" // 4 L
44 " ## #" // 5 L
45 " # ####" // 6 L
46 " # # " // Middle
47 "# # " // 7 R
48 "# # " // 8 R
49 "### # " // 9 R
50 "### # " // 0 R
51 "## ## " // 1 R
52 "## ## " // 2 R
53 "# #"; // End
54 EXPECT_NE(nullptr, encoded);
55 EXPECT_EQ(1, height);
56 EXPECT_EQ(static_cast<int32_t>(strlen(expected)), width);
57 for (size_t i = 0; i < strlen(expected); i++) {
58 EXPECT_EQ(expected[i] != ' ', !!encoded[i]) << i;
59 }
60 FX_Free(encoded);
61
62 encoded = writer.Encode("777666555440", BCFORMAT_UPC_A, width, height);
63 expected =
64 "# #" // Start
65 " ### ##" // 7 L
66 " ### ##" // 7 L
67 " ### ##" // 7 L
68 " # ####" // 6 L
69 " # ####" // 6 L
70 " # ####" // 6 L
71 " # # " // Middle
72 "# ### " // 5 R
73 "# ### " // 5 R
74 "# ### " // 5 R
75 "# ### " // 4 R
76 "# ### " // 4 R
77 "### # " // 0 R
78 "# #"; // End
79 EXPECT_NE(nullptr, encoded);
80 EXPECT_EQ(1, height);
81 EXPECT_EQ(static_cast<int32_t>(strlen(expected)), width);
82 for (size_t i = 0; i < strlen(expected); i++) {
83 EXPECT_EQ(expected[i] != ' ', !!encoded[i]) << i;
84 }
85 FX_Free(encoded);
86 }
87
TEST(OnedUPCAWriterTest,Checksum)88 TEST(OnedUPCAWriterTest, Checksum) {
89 CBC_OnedUPCAWriter writer;
90 EXPECT_EQ(0, writer.CalcChecksum(""));
91 EXPECT_EQ(6, writer.CalcChecksum("123"));
92 EXPECT_EQ(2, writer.CalcChecksum("12345678901"));
93 EXPECT_EQ(0, writer.CalcChecksum("77766655544"));
94 }
95
96 } // namespace
97