diff options
Diffstat (limited to 'fxbarcode/oned/BC_OnedCode39Writer_unittest.cpp')
| -rw-r--r-- | fxbarcode/oned/BC_OnedCode39Writer_unittest.cpp | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/fxbarcode/oned/BC_OnedCode39Writer_unittest.cpp b/fxbarcode/oned/BC_OnedCode39Writer_unittest.cpp new file mode 100644 index 0000000000..27a0410637 --- /dev/null +++ b/fxbarcode/oned/BC_OnedCode39Writer_unittest.cpp @@ -0,0 +1,184 @@ +// 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 <cstring> + +#include "fxbarcode/oned/BC_OnedCode39Writer.h" +#include "testing/gtest/include/gtest/gtest.h" + +namespace { + +// 3 wide and 6 narrow modules per char. 1 space between chars. +const int MODULES_PER_CHAR = 3 * 3 + 6 * 1 + 1; + +// '*' is added as the first and last char. +const int DELIMITER_CHARS = 2; + +// Last char may serve as checksum. +const int CHECKSUM_CHARS = 1; + +TEST(OnedCode39WriterTest, SetWideNarrowRatio) { + // Code 39 barcodes encode strings of any size into modules in a + // unidimensional disposition. + // Each module is either: a narrow bar, a narrow space, a wide + // bar, or a wide space. Accepted wide-to-narrow ratios are between 2 and 3. + // This writer in particular only takes integer ratios, so it's either 2 or 3. + CBC_OnedCode39Writer writer; + EXPECT_FALSE(writer.SetWideNarrowRatio(0)); + EXPECT_FALSE(writer.SetWideNarrowRatio(1)); + EXPECT_TRUE(writer.SetWideNarrowRatio(2)); + EXPECT_TRUE(writer.SetWideNarrowRatio(3)); + EXPECT_FALSE(writer.SetWideNarrowRatio(4)); + EXPECT_FALSE(writer.SetWideNarrowRatio(100)); + + writer.SetWideNarrowRatio(3); + + int32_t width; + int32_t height; + uint8_t* encoded; + const char* expected; + + encoded = writer.Encode("PDFIUM", BCFORMAT_CODE_39, width, height); + expected = + "# # ### ### # " // * Start + "# ### ### # # " // P + "# # ### # ### " // D + "# ### ### # # " // F + "# ### # ### # " // I + "### # # # ### " // U + "### ### # # # " // M + "# # ### ### #"; // * End + FX_Free(encoded); + + writer.SetWideNarrowRatio(2); + + encoded = writer.Encode("PDFIUM", BCFORMAT_CODE_39, width, height); + expected = + "# # ## ## # " // * Start + "# ## ## # # " // P + "# # ## # ## " // D + "# ## ## # # " // F + "# ## # ## # " // I + "## # # # ## " // U + "## ## # # # " // M + "# # ## ## #"; // * End + FX_Free(encoded); +} + +TEST(OnedCode39WriterTest, Encode) { + CBC_OnedCode39Writer writer; + int32_t width; + int32_t height; + uint8_t* encoded; + const char* expected; + + encoded = writer.Encode("", BCFORMAT_CODE_39, width, height); + EXPECT_EQ(1, height); + EXPECT_EQ((0 + DELIMITER_CHARS) * MODULES_PER_CHAR - 1, width); + expected = + "# # ### ### # " // * Start + "# # ### ### #"; // * 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_CODE_39, width, height); + EXPECT_EQ(1, height); + EXPECT_EQ((3 + DELIMITER_CHARS) * MODULES_PER_CHAR - 1, width); + expected = + "# # ### ### # " // * Start + "### # # # ### " // 1 + "# ### # # ### " // 2 + "### ### # # # " // 3 + "# # ### ### #"; // * End + for (size_t i = 0; i < strlen(expected); i++) { + EXPECT_EQ(expected[i] != ' ', !!encoded[i]) << i; + } + FX_Free(encoded); + + encoded = writer.Encode("PDFIUM", BCFORMAT_CODE_39, width, height); + EXPECT_EQ(1, height); + EXPECT_EQ((6 + DELIMITER_CHARS) * MODULES_PER_CHAR - 1, width); + expected = + "# # ### ### # " // * Start + "# ### ### # # " // P + "# # ### # ### " // D + "# ### ### # # " // F + "# ### # ### # " // I + "### # # # ### " // U + "### ### # # # " // M + "# # ### ### #"; // * End + for (size_t i = 0; i < strlen(expected); i++) { + EXPECT_EQ(expected[i] != ' ', !!encoded[i]) << i; + } + FX_Free(encoded); + + encoded = writer.Encode("A -$%./+Z", BCFORMAT_CODE_39, width, height); + EXPECT_EQ(1, height); + EXPECT_EQ((9 + DELIMITER_CHARS) * MODULES_PER_CHAR - 1, width); + expected = + "# # ### ### # " // * Start + "### # # # ### " // A + "# ### # ### # " // Space + "# # # ### ### " // - + "# # # # # " // $ + "# # # # # " // % + "### # # ### # " // . + "# # # # # " // / + "# # # # # " // + + "# ### ### # # " // Z + "# # ### ### #"; // * End + for (size_t i = 0; i < strlen(expected); i++) { + EXPECT_EQ(expected[i] != ' ', !!encoded[i]) << i; + } + FX_Free(encoded); +} + +TEST(OnedCode39WriterTest, Checksum) { + CBC_OnedCode39Writer writer; + int32_t width; + int32_t height; + uint8_t* encoded; + const char* expected; + + writer.SetCalcChecksum(true); + + encoded = writer.Encode("123", BCFORMAT_CODE_39, width, height); + EXPECT_EQ(1, height); + EXPECT_EQ((3 + CHECKSUM_CHARS + DELIMITER_CHARS) * MODULES_PER_CHAR - 1, + width); + expected = + "# # ### ### # " // * Start + "### # # # ### " // 1 (1) + "# ### # # ### " // 2 (2) + "### ### # # # " // 3 (3) + "# ### ### # # " // 6 (6 = (1 + 2 + 3) % 43) + "# # ### ### #"; // * End + for (size_t i = 0; i < strlen(expected); i++) { + EXPECT_EQ(expected[i] != ' ', !!encoded[i]) << i; + } + FX_Free(encoded); + + encoded = writer.Encode("PDFIUM", BCFORMAT_CODE_39, width, height); + EXPECT_EQ(1, height); + EXPECT_EQ((6 + CHECKSUM_CHARS + DELIMITER_CHARS) * MODULES_PER_CHAR - 1, + width); + expected = + "# # ### ### # " // * Start + "# ### ### # # " // P (25) + "# # ### # ### " // D (13) + "# ### ### # # " // F (15) + "# ### # ### # " // I (18) + "### # # # ### " // U (30) + "### ### # # # " // M (22) + "### # # ### # " // . (37 = (25 + 13 + 15 + 18 + 30 + 22) % 43) + "# # ### ### #"; // * End + for (size_t i = 0; i < strlen(expected); i++) { + EXPECT_EQ(expected[i] != ' ', !!encoded[i]) << i; + } + FX_Free(encoded); +} + +} // namespace |