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// 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_OnedEAN13Writer.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace {
TEST(OnedEAN13WriterTest, Encode) {
CBC_OnedEAN13Writer writer;
int32_t width;
int32_t height;
uint8_t* encoded;
const char* expected;
// EAN-13 barcodes encode 13-digit numbers into 95 modules in a unidimensional
// disposition.
encoded = writer.Encode("", BCFORMAT_EAN_13, width, height);
EXPECT_EQ(nullptr, encoded);
FX_Free(encoded);
encoded = writer.Encode("123", BCFORMAT_EAN_13, width, height);
EXPECT_EQ(nullptr, encoded);
FX_Free(encoded);
encoded = writer.Encode("123456789012", BCFORMAT_EAN_13, width, height);
EXPECT_EQ(nullptr, encoded);
FX_Free(encoded);
encoded = writer.Encode("12345678901234", BCFORMAT_EAN_13, width, height);
EXPECT_EQ(nullptr, encoded);
FX_Free(encoded);
encoded = writer.Encode("1234567890128", BCFORMAT_EAN_13, width, height);
EXPECT_NE(nullptr, encoded);
EXPECT_EQ(1, height);
EXPECT_EQ(95, width);
expected =
"# #" // Start
// 1 implicit by LLGLGG in next 6 digits
" # ##" // 2 L
" #### #" // 3 L
" ### #" // 4 G
" ## #" // 5 L
" # #" // 6 G
" # #" // 7 G
" # # " // Middle
"# # " // 8 R
"### # " // 9 R
"### # " // 0 R
"## ## " // 1 R
"## ## " // 2 R
"# # " // 8 R
"# #"; // End
for (int i = 0; i < 95; i++) {
EXPECT_EQ(expected[i] != ' ', !!encoded[i]) << i;
}
FX_Free(encoded);
encoded = writer.Encode("7776665554440", BCFORMAT_EAN_13, width, height);
EXPECT_NE(nullptr, encoded);
EXPECT_EQ(1, height);
EXPECT_EQ(95, width);
expected =
"# #" // Start
// 7 implicit by LGLGLG in next 6 digits
" ### ##" // 7 L
" # #" // 7 G
" # ####" // 6 L
" # #" // 6 G
" # ####" // 6 L
" ### #" // 5 G
" # # " // Middle
"# ### " // 5 R
"# ### " // 5 R
"# ### " // 4 R
"# ### " // 4 R
"# ### " // 4 R
"### # " // 0 R
"# #"; // End
for (int i = 0; i < 95; i++) {
EXPECT_EQ(expected[i] != ' ', !!encoded[i]) << i;
}
FX_Free(encoded);
}
TEST(OnedEAN13WriterTest, Checksum) {
CBC_OnedEAN13Writer writer;
EXPECT_EQ(0, writer.CalcChecksum(""));
EXPECT_EQ(6, writer.CalcChecksum("123"));
EXPECT_EQ(8, writer.CalcChecksum("123456789012"));
EXPECT_EQ(0, writer.CalcChecksum("777666555444"));
}
} // namespace
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