Add unit tests for Codabar barcode writer.
Bug: pdfium:882
Change-Id: Ieb06c4c060307bffa6e4fe20c7ced6be6518adca
Reviewed-on: https://pdfium-review.googlesource.com/13190
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: Henrique Nakashima <hnakashima@chromium.org>
diff --git a/BUILD.gn b/BUILD.gn
index f2fe2e1..ec37644 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -1954,6 +1954,7 @@
"core/fxcrt/css/cfx_cssvaluelistparser_unittest.cpp",
"core/fxcrt/xml/cfx_saxreader_unittest.cpp",
"core/fxcrt/xml/cfx_xmlsyntaxparser_unittest.cpp",
+ "fxbarcode/oned/BC_OnedCodaBarWriter_unittest.cpp",
"fxbarcode/oned/BC_OnedCode128Writer_unittest.cpp",
"fxbarcode/oned/BC_OnedCode39Writer_unittest.cpp",
"fxbarcode/oned/BC_OnedEAN13Writer_unittest.cpp",
diff --git a/fxbarcode/oned/BC_OnedCodaBarWriter_unittest.cpp b/fxbarcode/oned/BC_OnedCodaBarWriter_unittest.cpp
new file mode 100644
index 0000000..f498449
--- /dev/null
+++ b/fxbarcode/oned/BC_OnedCodaBarWriter_unittest.cpp
@@ -0,0 +1,148 @@
+// Copyright 2017 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "fxbarcode/oned/BC_OnedCodaBarWriter.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace {
+
+// 3 wide and 4 narrow modules per delimiter. One space between them.
+const int kModulesForDelimiters = (3 * 2 + 4 * 1) * 2 + 1;
+
+// 2 wide and 5 narrow modules per number, '_' or '$'. 1 space between chars.
+const int kModulesPerNumber = 2 * 2 + 5 * 1 + 1;
+
+// 3 wide and 4 narrow modules per number, '_' or '$'. 1 space between chars.
+const int kModulesPerPunctuation = 3 * 2 + 4 * 1 + 1;
+
+TEST(OnedCodaBarWriterTest, Encode) {
+ CBC_OnedCodaBarWriter writer;
+ int32_t width;
+ int32_t height;
+
+ uint8_t* encoded = writer.Encode("", BCFORMAT_CODABAR, width, height);
+ EXPECT_EQ(1, height);
+ EXPECT_EQ(kModulesForDelimiters, width);
+ const char* expected =
+ "# ## # # " // A Start
+ "# # # ##"; // B End
+ for (size_t i = 0; i < strlen(expected); i++) {
+ EXPECT_EQ(expected[i] != ' ', !!encoded[i]) << i;
+ }
+ FX_Free(encoded);
+
+ encoded = writer.Encode("123", BCFORMAT_CODABAR, width, height);
+ EXPECT_EQ(1, height);
+ EXPECT_EQ(kModulesForDelimiters + 3 * kModulesPerNumber, width);
+ expected =
+ "# ## # # " // A Start
+ "# # ## # " // 1
+ "# # # ## " // 2
+ "## # # # " // 3
+ "# # # ##"; // B End
+ for (size_t i = 0; i < strlen(expected); i++) {
+ EXPECT_EQ(expected[i] != ' ', !!encoded[i]) << i;
+ }
+ FX_Free(encoded);
+
+ encoded = writer.Encode("-$./:+", BCFORMAT_CODABAR, width, height);
+ EXPECT_EQ(1, height);
+ EXPECT_EQ(kModulesForDelimiters + 2 * kModulesPerNumber +
+ 4 * kModulesPerPunctuation,
+ width);
+ expected =
+ "# ## # # " // A Start
+ "# # ## # " // -
+ "# ## # # " // $
+ "## ## ## # " // .
+ "## ## # ## " // /
+ "## # ## ## " // :
+ "# ## ## ## " // +
+ "# # # ##"; // B End
+ for (size_t i = 0; i < strlen(expected); i++) {
+ EXPECT_EQ(expected[i] != ' ', !!encoded[i]) << i;
+ }
+ FX_Free(encoded);
+
+ encoded = writer.Encode("456.987987987/001", BCFORMAT_CODABAR, width, height);
+ EXPECT_EQ(1, height);
+ EXPECT_EQ(kModulesForDelimiters + 15 * kModulesPerNumber +
+ 2 * kModulesPerPunctuation,
+ width);
+ expected =
+ "# ## # # " // A Start
+ "# ## # # " // 4
+ "## # # # " // 5
+ "# # # ## " // 6
+ "## ## ## # " // .
+ "## # # # " // 9
+ "# ## # # " // 8
+ "# # ## # " // 7
+ "## # # # " // 9
+ "# ## # # " // 8
+ "# # ## # " // 7
+ "## # # # " // 9
+ "# ## # # " // 8
+ "# # ## # " // 7
+ "## ## # ## " // /
+ "# # # ## " // 0
+ "# # # ## " // 0
+ "# # ## # " // 1
+ "# # # ##"; // B End
+ for (size_t i = 0; i < strlen(expected); i++) {
+ EXPECT_EQ(expected[i] != ' ', !!encoded[i]) << i;
+ }
+ FX_Free(encoded);
+}
+
+TEST(OnedCodaBarWriterTest, SetDelimiters) {
+ CBC_OnedCodaBarWriter writer;
+ int32_t width;
+ int32_t height;
+
+ EXPECT_TRUE(writer.SetStartChar('A'));
+ EXPECT_TRUE(writer.SetStartChar('B'));
+ EXPECT_TRUE(writer.SetStartChar('C'));
+ EXPECT_TRUE(writer.SetStartChar('D'));
+ EXPECT_TRUE(writer.SetStartChar('E'));
+ EXPECT_TRUE(writer.SetStartChar('N'));
+ EXPECT_TRUE(writer.SetStartChar('T'));
+ EXPECT_TRUE(writer.SetStartChar('*'));
+ EXPECT_FALSE(writer.SetStartChar('V'));
+ EXPECT_FALSE(writer.SetStartChar('0'));
+ EXPECT_FALSE(writer.SetStartChar('\0'));
+ EXPECT_FALSE(writer.SetStartChar('@'));
+
+ EXPECT_TRUE(writer.SetEndChar('A'));
+ EXPECT_TRUE(writer.SetEndChar('B'));
+ EXPECT_TRUE(writer.SetEndChar('C'));
+ EXPECT_TRUE(writer.SetEndChar('D'));
+ EXPECT_TRUE(writer.SetEndChar('E'));
+ EXPECT_TRUE(writer.SetEndChar('N'));
+ EXPECT_TRUE(writer.SetEndChar('T'));
+ EXPECT_TRUE(writer.SetEndChar('*'));
+ EXPECT_FALSE(writer.SetEndChar('V'));
+ EXPECT_FALSE(writer.SetEndChar('0'));
+ EXPECT_FALSE(writer.SetEndChar('\0'));
+ EXPECT_FALSE(writer.SetEndChar('@'));
+
+ writer.SetStartChar('N');
+ writer.SetEndChar('*');
+
+ uint8_t* encoded = writer.Encode("987", BCFORMAT_CODABAR, width, height);
+ EXPECT_EQ(1, height);
+ EXPECT_EQ(kModulesForDelimiters + 3 * kModulesPerNumber, width);
+ const char* expected =
+ "# # # ## " // N (same as B) Start
+ "## # # # " // 9
+ "# ## # # " // 8
+ "# # ## # " // 7
+ "# # # ##"; // * (same as C) End
+ for (size_t i = 0; i < strlen(expected); i++) {
+ EXPECT_EQ(expected[i] != ' ', !!encoded[i]) << i;
+ }
+ FX_Free(encoded);
+}
+
+} // namespace
