// Copyright 2014 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/pdf417/BC_PDF417HighLevelEncoder.h"
#include "testing/gtest/include/gtest/gtest.h"
TEST(PDF417HighLevelEncoder, EncodeHighLevel) {
// TODO(tsepez): implement test cases.
}
TEST(PDF417HighLevelEncoder, EncodeText) {
// TODO(tsepez): implement test cases.
}
TEST(PDF417HighLevelEncoder, EncodeBinary) {
struct EncodeBinaryCase {
const char* input;
int offset;
int count;
int startmode;
const wchar_t* expected;
int expected_length;
} encode_binary_cases[] = {
// Empty string encodes as empty string.
{"", 0, 0, CBC_PDF417HighLevelEncoder::TEXT_COMPACTION, L"", 0},
// Fewer than 6 characters encodes as prefix without compaction.
{"xxxxx", 0, 5, CBC_PDF417HighLevelEncoder::TEXT_COMPACTION,
L"\x0385xxxxx", 6},
// 6 charcters triggerst text encoding compaction.
{"xxxxxx", 0, 6, CBC_PDF417HighLevelEncoder::TEXT_COMPACTION,
L"\u039c\u00c9\u031f\u012a\u00d2\u02d0", 6},
// Same result if initially in numeric compaction mode.
{"xxxxxx", 0, 6, CBC_PDF417HighLevelEncoder::NUMERIC_COMPACTION,
L"\u039c\u00c9\u031f\u012a\u00d2\u02d0", 6},
};
CBC_PDF417HighLevelEncoder::Initialize();
for (size_t i = 0; i < FX_ArraySize(encode_binary_cases); ++i) {
EncodeBinaryCase* ptr = &encode_binary_cases[i];
std::vector<uint8_t> input_array;
size_t input_length = strlen(ptr->input);
input_array.resize(input_length);
for (size_t j = 0; j < input_length; ++j) {
input_array[j] = ptr->input[j];
}
WideString expected(ptr->expected, ptr->expected_length);
WideString result;
CBC_PDF417HighLevelEncoder::encodeBinary(
&input_array, ptr->offset, ptr->count, ptr->startmode, result);
EXPECT_EQ(expected, result) << " for case number " << i;
}
CBC_PDF417HighLevelEncoder::Finalize();
}
TEST(PDF417HighLevelEncoder, EncodeNumeric) {
struct EncodeNumericCase {
const wchar_t* input;
int offset;
int count;
const wchar_t* expected;
int expected_length;
} encode_numeric_cases[] = {
// Empty string encodes as empty string.
{L"", 0, 0, L"", 0},
// Single 0 should encode as 10 base-900 == a.
{L"0", 0, 1, L"\x000a", 1},
// 800 should encode as 1800 base-900 == 2,0.
{L"800", 0, 3, L"\x0002\x0000", 2},
// Test longer strings and sub-strings.
{L"123456", 0, 6, L"\x0001\x015c\x0100", 3},
{L"123456", 0, 5, L"\x007c\x02e9", 2},
{L"123456", 1, 5, L"\x0089\x009c", 2},
{L"123456", 2, 2, L"\x0086", 1},
// Up to 44 characters encodes as 15 base-900 words.
{L"00000000000000000000000000000000000000000000", 0, 44,
L"\x01b5\x006f\x02cc\x0084\x01bc\x0076\x00b3\x005c\x01f0\x034f\x01e6"
L"\x0090\x020b\x019b\x0064",
15},
// 45 characters should encode as same 15 words followed by one additional
// word.
{L"000000000000000000000000000000000000000000000", 0, 45,
L"\x01b5\x006f\x02cc\x0084\x01bc\x0076\x00b3\x005c\x01f0\x034f\x01e6"
L"\x0090\x020b\x019b\x0064\x000a",
16},
// 44 characters followed by 800 should encode as 15 words followed by
// 1800 base-900 == 2,0.
{L"00000000000000000000000000000000000000000000800", 0, 47,
L"\x01b5\x006f\x02cc\x0084\x01bc\x0076\x00b3\x005c\x01f0\x034f\x01e6"
L"\x0090\x020b\x019b\x0064\x0002\x0000",
17},
// Even longer input.
{L"10000000000000000000000000000000000000000000000000", 0, 50,
L"\x01e0\x02f0\x036d\x02ad\x029c\x01ea\x0011\x000b\x02d6\x023c\x0108"
L"\x02bb\x0023\x02d2\x00c8\x0001\x00d3\x0064",
18},
};
CBC_PDF417HighLevelEncoder::Initialize();
for (size_t i = 0; i < FX_ArraySize(encode_numeric_cases); ++i) {
EncodeNumericCase* ptr = &encode_numeric_cases[i];
WideString input(ptr->input);
WideString expected(ptr->expected, ptr->expected_length);
WideString result;
CBC_PDF417HighLevelEncoder::encodeNumeric(input, ptr->offset, ptr->count,
result);
EXPECT_EQ(expected, result) << " for case number " << i;
}
CBC_PDF417HighLevelEncoder::Finalize();
}
TEST(PDF417HighLevelEncoder, ConsecutiveDigitCount) {
struct ConsecutiveDigitCase {
const wchar_t* input;
int offset;
int expected_count;
} consecutive_digit_cases[] = {
// Empty string contains 0 consecuitve digits.
{L"", 0, 0},
// Single non-digit character contains 0 consecutive digits.
{L"X", 0, 0},
// Leading non-digit followed by digits contains 0 consecutive.
{L"X123", 0, 0},
// Single digit contains 1 consecutive digit.
{L"1", 0, 1},
// Single digit followe by non-digit contains 1 consecutive digit.
{L"1Z", 0, 1},
// Test longer strings.
{L"123FOO45678", 0, 3},
// Test subtring starting in digits field.
{L"123FOO45678", 3, 0},
// Test subtring starting in non-digits field.
{L"123FOO45678", 3, 0},
// Test substring starting in digits field following non-digit field.
{L"123FOO45678", 6, 5},
};
CBC_PDF417HighLevelEncoder::Initialize();
for (size_t i = 0; i < FX_ArraySize(consecutive_digit_cases); ++i) {
ConsecutiveDigitCase* ptr = &consecutive_digit_cases[i];
WideString input(ptr->input);
int actual_count =
CBC_PDF417HighLevelEncoder::determineConsecutiveDigitCount(input,
ptr->offset);
EXPECT_EQ(ptr->expected_count, actual_count) << " for case number " << i;
}
CBC_PDF417HighLevelEncoder::Finalize();
}
TEST(PDF417HighLevelEncoder, ConsecutiveTextCount) {
struct ConsecutiveTextCase {
const wchar_t* input;
int offset;
int expected_count;
} consecutive_text_cases[] = {
// Empty string contains 0 consecutive text characters.
{L"", 0, 0},
// Single text character is 1 consecutive text characters.
{L"X", 0, 1},
// Trailing numbers count as text characters.
{L"X123", 0, 4},
// Leading numbers count as text characters.
{L"123X", 0, 4},
// Embedded lo-value binary characters terminate text runs.
{L"ABC\x0001XXXX", 0, 3},
// Embedded hi-value binary characters terminate text runs.
{L"ABC\x0100XXXX", 0, 3},
// Text run still found after indexing past lo-value character.
{L"ABC\x0001XXXX", 4, 4},
// Text run still found after indexing past hi-value character.
{L"ABC\x0100XXXX", 4, 4},
// Leading hi-value character results in 0 consecutive characters.
{L"\x0100XXX", 0, 0},
// Up to 12 numbers count as text.
{L"123456789012", 0, 12},
// 13 or more numbers are compresssed using numeric compression, not text.
{L"1234567890123", 0, 0},
// Leading Text character doesn't affect the 12 character case.
{L"X123456789012", 0, 13},
// Leading Text character doesn't affect the 13 character case.
{L"X1234567890123", 0, 1},
// Jumping between numbers and letters works properly.
{L"XXX121XXX12345678901234", 0, 9},
};
CBC_PDF417HighLevelEncoder::Initialize();
for (size_t i = 0; i < FX_ArraySize(consecutive_text_cases); ++i) {
ConsecutiveTextCase* ptr = &consecutive_text_cases[i];
WideString input(ptr->input);
int actual_count =
CBC_PDF417HighLevelEncoder::determineConsecutiveTextCount(input,
ptr->offset);
EXPECT_EQ(ptr->expected_count, actual_count) << " for case number " << i;
}
CBC_PDF417HighLevelEncoder::Finalize();
}
TEST(PDF417HighLevelEncoder, ConsecutiveBinaryCount) {}