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
8namespace {
9
10TEST(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
88TEST(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