blob: b0645f4a4a8e902166179be3b76bad75696a8a2e [file] [log] [blame]
// Copyright 2017 The PDFium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "fxbarcode/oned/BC_OnedCode39Writer.h"
#include <string.h>
#include "core/fxcrt/data_vector.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace {
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);
static const char kExpected1[] =
"# # ### ### # " // * Start
"# ### ### # # " // P
"# # ### # ### " // D
"# ### ### # # " // F
"# ### # ### # " // I
"### # # # ### " // U
"### ### # # # " // M
"# # ### ### #"; // * End
DataVector<uint8_t> encoded = writer.Encode("PDFIUM");
ASSERT_EQ(strlen(kExpected1), encoded.size());
for (size_t i = 0; i < strlen(kExpected1); i++)
EXPECT_EQ(kExpected1[i] != ' ', !!encoded[i]) << i;
writer.SetWideNarrowRatio(2);
static const char kExpected2[] =
"# # ## ## # " // * Start
"# ## ## # # " // P
"# # ## # ## " // D
"# ## ## # # " // F
"# ## # ## # " // I
"## # # # ## " // U
"## ## # # # " // M
"# # ## ## #"; // * End
encoded = writer.Encode("PDFIUM");
ASSERT_EQ(strlen(kExpected2), encoded.size());
for (size_t i = 0; i < strlen(kExpected2); i++)
EXPECT_EQ(kExpected2[i] != ' ', !!encoded[i]) << i;
}
TEST(OnedCode39WriterTest, Encode) {
CBC_OnedCode39Writer writer;
static const char kExpected1[] =
"# # ### ### # " // * Start
"# # ### ### #"; // * End
DataVector<uint8_t> encoded = writer.Encode("");
ASSERT_EQ(strlen(kExpected1), encoded.size());
for (size_t i = 0; i < strlen(kExpected1); i++)
EXPECT_EQ(kExpected1[i] != ' ', !!encoded[i]) << i;
static const char kExpected2[] =
"# # ### ### # " // * Start
"### # # # ### " // 1
"# ### # # ### " // 2
"### ### # # # " // 3
"# # ### ### #"; // * End
encoded = writer.Encode("123");
ASSERT_EQ(strlen(kExpected2), encoded.size());
for (size_t i = 0; i < strlen(kExpected2); i++)
EXPECT_EQ(kExpected2[i] != ' ', !!encoded[i]) << i;
static const char kExpected3[] =
"# # ### ### # " // * Start
"# ### ### # # " // P
"# # ### # ### " // D
"# ### ### # # " // F
"# ### # ### # " // I
"### # # # ### " // U
"### ### # # # " // M
"# # ### ### #"; // * End
encoded = writer.Encode("PDFIUM");
ASSERT_EQ(strlen(kExpected3), encoded.size());
for (size_t i = 0; i < strlen(kExpected3); i++)
EXPECT_EQ(kExpected3[i] != ' ', !!encoded[i]) << i;
static const char kExpected4[] =
"# # ### ### # " // * Start
"### # # # ### " // A
"# ### # ### # " // Space
"# # # ### ### " // -
"# # # # # " // $
"# # # # # " // %
"### # # ### # " // .
"# # # # # " // /
"# # # # # " // +
"# ### ### # # " // Z
"# # ### ### #"; // * End
encoded = writer.Encode("A -$%./+Z");
ASSERT_EQ(strlen(kExpected4), encoded.size());
for (size_t i = 0; i < strlen(kExpected4); i++)
EXPECT_EQ(kExpected4[i] != ' ', !!encoded[i]) << i;
}
TEST(OnedCode39WriterTest, Checksum) {
CBC_OnedCode39Writer writer;
writer.SetCalcChecksum(true);
static const char kExpected1[] =
"# # ### ### # " // * Start
"### # # # ### " // 1 (1)
"# ### # # ### " // 2 (2)
"### ### # # # " // 3 (3)
"# ### ### # # " // 6 (6 = (1 + 2 + 3) % 43)
"# # ### ### #"; // * End
DataVector<uint8_t> encoded = writer.Encode("123");
ASSERT_EQ(strlen(kExpected1), encoded.size());
for (size_t i = 0; i < strlen(kExpected1); i++)
EXPECT_EQ(kExpected1[i] != ' ', !!encoded[i]) << i;
static const char kExpected2[] =
"# # ### ### # " // * Start
"# ### ### # # " // P (25)
"# # ### # ### " // D (13)
"# ### ### # # " // F (15)
"# ### # ### # " // I (18)
"### # # # ### " // U (30)
"### ### # # # " // M (22)
"### # # ### # " // . (37 = (25 + 13 + 15 + 18 + 30 + 22) % 43)
"# # ### ### #"; // * End
encoded = writer.Encode("PDFIUM");
ASSERT_EQ(strlen(kExpected2), encoded.size());
for (size_t i = 0; i < strlen(kExpected2); i++)
EXPECT_EQ(kExpected2[i] != ' ', !!encoded[i]) << i;
}
} // namespace