mirror of
https://github.com/qpdf/qpdf.git
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615 lines
19 KiB
C++
615 lines
19 KiB
C++
#include <iostream>
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#include <stdio.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <qpdf/QUtil.hh>
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#include <qpdf/PointerHolder.hh>
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#include <qpdf/QPDFSystemError.hh>
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#include <string.h>
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#include <limits.h>
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#include <assert.h>
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#include <fstream>
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#include <locale>
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#ifdef _WIN32
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# include <io.h>
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#else
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# include <unistd.h>
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#endif
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template <class int_T>
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void test_to_number(char const* str, int_T wanted, bool error,
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int_T (*fn)(char const*))
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{
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bool threw = false;
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bool worked = false;
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int_T result = 0;
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std::string msg;
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try
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{
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result = fn(str);
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worked = (wanted == result);
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}
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catch (std::runtime_error const& e)
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{
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threw = true;
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msg = e.what();
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}
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if (threw)
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{
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if (error)
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{
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std::cout << str << " to int threw (" << msg << "): PASSED" << std::endl;
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}
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else
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{
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std::cout << str << " to int threw but wanted "
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<< wanted << std::endl;
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}
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}
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else
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{
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if (worked)
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{
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std::cout << str << " to int: PASSED" << std::endl;
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}
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else
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{
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std::cout << str << " to int failed; got " << result << std::endl;
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}
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}
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}
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void test_to_int(char const* str, int wanted, bool error)
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{
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test_to_number(str, wanted, error, QUtil::string_to_int);
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}
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void test_to_ll(char const* str, long long wanted, bool error)
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{
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test_to_number(str, wanted, error, QUtil::string_to_ll);
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}
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void test_to_uint(char const* str, unsigned int wanted, bool error)
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{
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test_to_number(str, wanted, error, QUtil::string_to_uint);
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}
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void test_to_ull(char const* str, unsigned long long wanted, bool error)
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{
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test_to_number(str, wanted, error, QUtil::string_to_ull);
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}
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static void set_locale()
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{
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try
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{
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// First try a locale known to put commas in numbers.
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std::locale::global(std::locale("en_US.UTF-8"));
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}
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catch (std::runtime_error&)
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{
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try
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{
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// If that fails, fall back to the user's default locale.
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std::locale::global(std::locale(""));
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}
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catch (std::runtime_error& e)
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{
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// Ignore this error on Windows without MSVC. We get
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// enough test coverage on other platforms, and mingw
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// seems to have limited locale support (as of
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// 2020-10).
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#if ! defined(_WIN32) || defined(_MSC_VER)
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throw e;
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#endif
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}
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}
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}
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void string_conversion_test()
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{
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// Make sure the code produces consistent results even if we load
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// a non-C locale.
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set_locale();
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std::cout << QUtil::int_to_string(16059) << std::endl
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<< QUtil::int_to_string(16059, 7) << std::endl
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<< QUtil::int_to_string(16059, -7) << std::endl
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<< QUtil::double_to_string(3.14159) << std::endl
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<< QUtil::double_to_string(3.14159, 3) << std::endl
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<< QUtil::double_to_string(1000.123, -1024) << std::endl
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<< QUtil::double_to_string(.1234, 5) << std::endl
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<< QUtil::double_to_string(.0001234, 5) << std::endl
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<< QUtil::double_to_string(.123456, 5) << std::endl
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<< QUtil::double_to_string(.000123456, 5) << std::endl
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<< QUtil::int_to_string_base(16059, 10) << std::endl
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<< QUtil::int_to_string_base(16059, 8) << std::endl
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<< QUtil::int_to_string_base(16059, 16) << std::endl
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<< QUtil::int_to_string_base(5000093552LL, 10) << std::endl;
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std::string embedded_null = "one";
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embedded_null += '\0';
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embedded_null += "two";
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std::cout << embedded_null.c_str() << std::endl;
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std::cout << embedded_null.length() << std::endl;
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char* tmp = QUtil::copy_string(embedded_null);
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if (memcmp(tmp, embedded_null.c_str(), 7) == 0)
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{
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std::cout << "compare okay" << std::endl;
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}
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else
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{
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std::cout << "compare failed" << std::endl;
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}
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delete [] tmp;
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std::string int_max_str = QUtil::int_to_string(INT_MAX);
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std::string int_min_str = QUtil::int_to_string(INT_MIN);
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long long int_max_plus_1 = static_cast<long long>(INT_MAX) + 1;
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long long int_min_minus_1 = static_cast<long long>(INT_MIN) - 1;
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std::string int_max_plus_1_str = QUtil::int_to_string(int_max_plus_1);
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std::string int_min_minus_1_str = QUtil::int_to_string(int_min_minus_1);
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std::string small_positive = QUtil::uint_to_string(16059U);
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std::string small_negative = QUtil::int_to_string(-16059);
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test_to_int(int_min_str.c_str(), INT_MIN, false);
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test_to_int(int_max_str.c_str(), INT_MAX, false);
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test_to_int(int_max_plus_1_str.c_str(), 0, true);
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test_to_int(int_min_minus_1_str.c_str(), 0, true);
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test_to_int("9999999999999999999999999", 0, true);
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test_to_ll(int_max_plus_1_str.c_str(), int_max_plus_1, false);
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test_to_ll(int_min_minus_1_str.c_str(), int_min_minus_1, false);
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test_to_ll("99999999999999999999999999999999999999999999999999", 0, true);
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test_to_uint(small_positive.c_str(), 16059U, false);
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test_to_uint(small_negative.c_str(), 0, true);
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test_to_uint("9999999999", 0, true);
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test_to_ull(small_positive.c_str(), 16059U, false);
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test_to_ull(small_negative.c_str(), 0, true);
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}
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void os_wrapper_test()
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{
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try
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{
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std::cout << "before remove" << std::endl;
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QUtil::os_wrapper("remove file",
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remove("/this/file/does/not/exist"));
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std::cout << "after remove" << std::endl;
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}
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catch (std::runtime_error& s)
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{
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std::cout << "exception: " << s.what() << std::endl;
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}
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}
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void fopen_wrapper_test()
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{
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try
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{
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std::cout << "before fopen" << std::endl;
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FILE* f = QUtil::safe_fopen("/this/file/does/not/exist", "r");
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std::cout << "after fopen" << std::endl;
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(void) fclose(f);
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}
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catch (QPDFSystemError& s)
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{
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std::cout << "exception: " << s.what() << std::endl;
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assert(s.getErrno() != 0);
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}
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}
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void getenv_test()
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{
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std::string val;
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std::cout << "IN_TESTSUITE: " << QUtil::get_env("IN_TESTSUITE", &val)
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<< ": " << val << std::endl;
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// Hopefully this environment variable is not defined.
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std::cout << "HAGOOGAMAGOOGLE: " << QUtil::get_env("HAGOOGAMAGOOGLE")
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<< std::endl;
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}
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static void print_utf8(unsigned long val)
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{
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std::string result = QUtil::toUTF8(val);
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std::cout << "0x" << QUtil::uint_to_string_base(val, 16) << " ->";
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if (val < 0xfffe)
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{
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std::cout << " " << result;
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}
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else
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{
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// Emacs has trouble with utf-8 encoding files with characters
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// outside the 16-bit portion, so just show the character
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// values.
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for (std::string::iterator iter = result.begin();
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iter != result.end(); ++iter)
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{
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std::cout << " " << QUtil::int_to_string_base(
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static_cast<int>(static_cast<unsigned char>(*iter)), 16, 2);
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}
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}
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std::cout << std::endl;
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}
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void to_utf8_test()
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{
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print_utf8(0x41UL);
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print_utf8(0xF7UL);
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print_utf8(0x3c0UL);
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print_utf8(0x16059UL);
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print_utf8(0x7fffffffUL);
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try
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{
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print_utf8(0x80000000UL);
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}
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catch (std::runtime_error& e)
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{
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std::cout << "0x80000000: " << e.what() << std::endl;
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}
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}
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static void print_utf16(unsigned long val)
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{
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std::string result = QUtil::toUTF16(val);
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std::cout << "0x" << QUtil::uint_to_string_base(val, 16) << " ->";
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for (std::string::iterator iter = result.begin();
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iter != result.end(); ++iter)
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{
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std::cout << " " << QUtil::int_to_string_base(
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static_cast<int>(static_cast<unsigned char>(*iter)), 16, 2);
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}
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std::cout << std::endl;
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}
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void to_utf16_test()
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{
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print_utf16(0x41UL);
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print_utf16(0xF7UL);
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print_utf16(0x3c0UL);
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print_utf16(0x16059UL);
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print_utf16(0xdeadUL);
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print_utf16(0x7fffffffUL);
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print_utf16(0x80000000UL);
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std::string s(QUtil::utf8_to_utf16("\xcf\x80"));
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std::cout << QUtil::utf16_to_utf8(s) << std::endl;
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std::cout << QUtil::utf16_to_utf8(s + ".") << std::endl;
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}
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void utf8_to_ascii_test()
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{
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char const* input = "\302\277Does \317\200 have fingers?";
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std::cout << input
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<< std::endl
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<< QUtil::utf8_to_ascii(input)
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<< std::endl
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<< QUtil::utf8_to_ascii(input, '*')
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<< std::endl;
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std::string a = QUtil::utf8_to_win_ansi(input, '*');
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std::string b = QUtil::utf8_to_mac_roman(input, '*');
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std::cout
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<< "<" << QUtil::int_to_string_base(
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static_cast<unsigned char>(a.at(0)), 16, 2)
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<< ">" << a.substr(1) << std::endl
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<< "<" << QUtil::int_to_string_base(
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static_cast<unsigned char>(b.at(0)), 16, 2)
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<< ">" << b.substr(1) << std::endl;
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}
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void transcoding_test(std::string (*to_utf8)(std::string const&),
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std::string (*from_utf8)(std::string const&, char),
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int last, std::string unknown)
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{
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std::string in(" ");
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std::string out;
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std::string back;
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for (int i = 128; i <= last; ++i)
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{
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in.at(0) = static_cast<char>(static_cast<unsigned char>(i));
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out = (*to_utf8)(in);
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std::string wanted = (out == "\xef\xbf\xbd") ? unknown : in;
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back = (*from_utf8)(out, '?');
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if (back != wanted)
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{
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std::cout << i << ": " << in << " -> " << out
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<< " -> " << back << " (wanted " << wanted << ")"
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<< std::endl;
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}
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}
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}
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void check_analyze(std::string const& str, bool has8bit, bool utf8, bool utf16)
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{
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bool has_8bit_chars = false;
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bool is_valid_utf8 = false;
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bool is_utf16 = false;
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QUtil::analyze_encoding(str, has_8bit_chars, is_valid_utf8, is_utf16);
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if (! ((has_8bit_chars == has8bit) &&
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(is_valid_utf8 == utf8) &&
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(is_utf16 == utf16)))
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{
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std::cout << "analysis failed: " << str << std::endl;
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}
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}
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void print_alternatives(std::string const& str)
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{
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std::vector<std::string> result = QUtil::possible_repaired_encodings(str);
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size_t n = result.size();
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for (size_t i = 0; i < n; ++i)
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{
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std::cout << i << ": " << QUtil::hex_encode(result.at(i)) << std::endl;
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}
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}
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void transcoding_test()
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{
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transcoding_test(&QUtil::pdf_doc_to_utf8,
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&QUtil::utf8_to_pdf_doc, 160, "\x9f");
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std::cout << "bidirectional pdf doc done" << std::endl;
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transcoding_test(&QUtil::win_ansi_to_utf8,
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&QUtil::utf8_to_win_ansi, 160, "?");
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std::cout << "bidirectional win ansi done" << std::endl;
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transcoding_test(&QUtil::mac_roman_to_utf8,
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&QUtil::utf8_to_mac_roman, 255, "?");
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std::cout << "bidirectional mac roman done" << std::endl;
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check_analyze("pi = \317\200", true, true, false);
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check_analyze("pi != \317", true, false, false);
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check_analyze("pi != 22/7", false, false, false);
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check_analyze(std::string("\xfe\xff\00\x51", 4), true, false, true);
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std::cout << "analysis done" << std::endl;
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std::string input1("a\302\277b");
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std::string input2("a\317\200b");
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std::string input3("ab");
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std::string output;
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assert(! QUtil::utf8_to_ascii(input1, output));
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assert(! QUtil::utf8_to_ascii(input2, output));
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assert(QUtil::utf8_to_ascii(input3, output));
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assert(QUtil::utf8_to_win_ansi(input1, output));
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assert(! QUtil::utf8_to_win_ansi(input2, output));
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assert(QUtil::utf8_to_win_ansi(input3, output));
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assert(QUtil::utf8_to_mac_roman(input1, output));
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assert(! QUtil::utf8_to_mac_roman(input2, output));
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assert(QUtil::utf8_to_mac_roman(input3, output));
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assert(QUtil::utf8_to_pdf_doc(input1, output));
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assert(! QUtil::utf8_to_pdf_doc(input2, output));
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assert(QUtil::utf8_to_pdf_doc(input3, output));
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std::cout << "alternatives" << std::endl;
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// char name mac win pdf-doc
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// U+0192 florin 304 203 206
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// U+00A9 copyright 251 251 251
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// U+00E9 eacute 216 351 351
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// U+017E zcaron - 236 236
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std::string pdfdoc = "\206\251\351\236";
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std::string utf8 = QUtil::pdf_doc_to_utf8(pdfdoc);
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print_alternatives(pdfdoc);
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print_alternatives(utf8);
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print_alternatives("quack");
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std::cout << "done alternatives" << std::endl;
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}
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void print_whoami(char const* str)
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{
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PointerHolder<char> dup(true, QUtil::copy_string(str));
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std::cout << QUtil::getWhoami(dup.getPointer()) << std::endl;
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}
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void get_whoami_test()
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{
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print_whoami("a/b/c/quack1");
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print_whoami("a/b/c/quack2.exe");
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print_whoami("a\\b\\c\\quack3");
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print_whoami("a\\b\\c\\quack4.exe");
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}
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void assert_same_file(char const* file1, char const* file2, bool expected)
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{
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bool actual = QUtil::same_file(file1, file2);
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std::cout << "file1: -" << (file1 ? file1 : "(null)") << "-, file2: -"
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<< (file2 ? file2 : "(null)") << "-; same: "
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<< actual << ": " << ((actual == expected) ? "PASS" : "FAIL")
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<< std::endl;
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}
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void same_file_test()
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{
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try
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{
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fclose(QUtil::safe_fopen("qutil.out", "r"));
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fclose(QUtil::safe_fopen("other-file", "r"));
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}
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catch (std::exception const&)
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{
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std::cout << "same_file_test expects to have qutil.out and other-file"
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" exist in the current directory\n";
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return;
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}
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assert_same_file("qutil.out", "./qutil.out", true);
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assert_same_file("qutil.out", "qutil.out", true);
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assert_same_file("qutil.out", "other-file", false);
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assert_same_file("qutil.out", "", false);
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assert_same_file("qutil.out", 0, false);
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assert_same_file("", "qutil.out", false);
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}
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void read_from_file_test()
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{
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std::list<std::string> lines = QUtil::read_lines_from_file("other-file");
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for (std::list<std::string>::iterator iter = lines.begin();
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iter != lines.end(); ++iter)
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{
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std::cout << *iter << std::endl;
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}
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// Test the other versions and make sure we get the same results
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{
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std::ifstream infs("other-file", std::ios_base::binary);
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assert(QUtil::read_lines_from_file(infs) == lines);
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FILE* fp = QUtil::safe_fopen("other-file", "rb");
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assert(QUtil::read_lines_from_file(fp) == lines);
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fclose(fp);
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}
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// Test with EOL preservation
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std::list<std::string> lines2 =
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QUtil::read_lines_from_file("other-file", true);
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auto line = lines2.begin();
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assert(37 == (*line).length());
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assert('.' == (*line).at(35));
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assert('\n' == (*line).at(36));
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++line;
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assert(24 == (*line).length());
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assert('.' == (*line).at(21));
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assert('\r' == (*line).at(22));
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assert('\n' == (*line).at(23));
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++line;
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assert(24591 == (*line).length());
|
|
assert('.' == (*line).at(24589));
|
|
assert('\n' == (*line).at(24590));
|
|
// Test the other versions and make sure we get the same results
|
|
{
|
|
std::ifstream infs("other-file", std::ios_base::binary);
|
|
assert(QUtil::read_lines_from_file(infs, true) == lines2);
|
|
FILE* fp = QUtil::safe_fopen("other-file", "rb");
|
|
assert(QUtil::read_lines_from_file(fp, true) == lines2);
|
|
fclose(fp);
|
|
}
|
|
|
|
PointerHolder<char> buf;
|
|
size_t size = 0;
|
|
QUtil::read_file_into_memory("other-file", buf, size);
|
|
std::cout << "read " << size << " bytes" << std::endl;
|
|
char const* p = buf.getPointer();
|
|
assert(size == 24652);
|
|
assert(memcmp(p, "This file is used for qutil testing.", 36) == 0);
|
|
assert(p[59] == static_cast<char>(13));
|
|
assert(memcmp(p + 24641, "very long.", 10) == 0);
|
|
}
|
|
|
|
void assert_hex_encode(std::string const& input, std::string const& expected)
|
|
{
|
|
std::string actual = QUtil::hex_encode(input);
|
|
if (expected != actual)
|
|
{
|
|
std::cout << "hex encode " << input
|
|
<< ": expected = " << expected
|
|
<< "; actual = " << actual
|
|
<< std::endl;
|
|
}
|
|
}
|
|
|
|
void assert_hex_decode(std::string const& input, std::string const& expected)
|
|
{
|
|
std::string actual = QUtil::hex_decode(input);
|
|
if (expected != actual)
|
|
{
|
|
std::cout << "hex encode " << input
|
|
<< ": expected = " << expected
|
|
<< "; actual = " << actual
|
|
<< std::endl;
|
|
}
|
|
}
|
|
|
|
void hex_encode_decode_test()
|
|
{
|
|
std::cout << "begin hex encode/decode\n";
|
|
assert_hex_encode("", "");
|
|
assert_hex_encode("Potato", "506f7461746f");
|
|
std::string with_null("a\367" "00w");
|
|
with_null[3] = '\0';
|
|
assert_hex_encode(with_null, "61f7300077");
|
|
assert_hex_decode("", "");
|
|
assert_hex_decode("61F7-3000-77", with_null);
|
|
assert_hex_decode("41455", "AEP");
|
|
std::cout << "end hex encode/decode\n";
|
|
}
|
|
|
|
static void assert_no_file(char const* filename)
|
|
{
|
|
try
|
|
{
|
|
fclose(QUtil::safe_fopen(filename, "r"));
|
|
assert(false);
|
|
}
|
|
catch (QPDFSystemError&)
|
|
{
|
|
}
|
|
}
|
|
|
|
void rename_delete_test()
|
|
{
|
|
PointerHolder<char> buf;
|
|
size_t size = 0;
|
|
|
|
try
|
|
{
|
|
QUtil::remove_file("old\xcf\x80");
|
|
}
|
|
catch (QPDFSystemError&)
|
|
{
|
|
}
|
|
assert_no_file("old\xcf\x80");
|
|
std::cout << "create file" << std::endl;;
|
|
FILE* f1 = QUtil::safe_fopen("old\xcf\x80", "w");
|
|
fprintf(f1, "one");
|
|
fclose(f1);
|
|
QUtil::read_file_into_memory("old\xcf\x80", buf, size);
|
|
assert(memcmp(buf.getPointer(), "one", 3) == 0);
|
|
std::cout << "rename file" << std::endl;;
|
|
QUtil::rename_file("old\xcf\x80", "old\xcf\x80.~tmp");
|
|
QUtil::read_file_into_memory("old\xcf\x80.~tmp", buf, size);
|
|
assert(memcmp(buf.getPointer(), "one", 3) == 0);
|
|
assert_no_file("old\xcf\x80");
|
|
std::cout << "create file" << std::endl;;
|
|
f1 = QUtil::safe_fopen("old\xcf\x80", "w");
|
|
fprintf(f1, "two");
|
|
fclose(f1);
|
|
std::cout << "rename over existing" << std::endl;;
|
|
QUtil::rename_file("old\xcf\x80", "old\xcf\x80.~tmp");
|
|
QUtil::read_file_into_memory("old\xcf\x80.~tmp", buf, size);
|
|
assert(memcmp(buf.getPointer(), "two", 3) == 0);
|
|
assert_no_file("old\xcf\x80");
|
|
std::cout << "delete file" << std::endl;;
|
|
QUtil::remove_file("old\xcf\x80.~tmp");
|
|
assert_no_file("old\xcf\x80");
|
|
assert_no_file("old\xcf\x80.~tmp");
|
|
}
|
|
|
|
int main(int argc, char* argv[])
|
|
{
|
|
try
|
|
{
|
|
std::cout << "---- string conversion" << std::endl;
|
|
string_conversion_test();
|
|
std::cout << "---- os wrapper" << std::endl;
|
|
os_wrapper_test();
|
|
std::cout << "---- fopen" << std::endl;
|
|
fopen_wrapper_test();
|
|
std::cout << "---- getenv" << std::endl;
|
|
getenv_test();
|
|
std::cout << "---- utf8" << std::endl;
|
|
to_utf8_test();
|
|
std::cout << "---- utf16" << std::endl;
|
|
to_utf16_test();
|
|
std::cout << "---- utf8_to_ascii" << std::endl;
|
|
utf8_to_ascii_test();
|
|
std::cout << "---- transcoding" << std::endl;
|
|
transcoding_test();
|
|
std::cout << "---- whoami" << std::endl;
|
|
get_whoami_test();
|
|
std::cout << "---- file" << std::endl;
|
|
same_file_test();
|
|
std::cout << "---- read from file" << std::endl;
|
|
read_from_file_test();
|
|
std::cout << "---- hex encode/decode" << std::endl;
|
|
hex_encode_decode_test();
|
|
std::cout << "---- rename/delete" << std::endl;
|
|
rename_delete_test();
|
|
}
|
|
catch (std::exception& e)
|
|
{
|
|
std::cout << "unexpected exception: " << e.what() << std::endl;
|
|
}
|
|
|
|
return 0;
|
|
}
|