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ac4deac187
fopen was previuosly called wrapped by QUtil::fopen_wrapper, but QUtil::safe_fopen does this itself, which is less cumbersome.
149 lines
3.7 KiB
C++
149 lines
3.7 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 <string.h>
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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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void string_conversion_test()
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{
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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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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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}
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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 (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 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::int_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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int main(int argc, char* argv[])
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{
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try
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{
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string_conversion_test();
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std::cout << "----" << std::endl;
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os_wrapper_test();
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std::cout << "----" << std::endl;
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fopen_wrapper_test();
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std::cout << "----" << std::endl;
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getenv_test();
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std::cout << "----" << std::endl;
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to_utf8_test();
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}
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catch (std::exception& e)
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{
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std::cout << "unexpected exception: " << e.what() << std::endl;
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}
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return 0;
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}
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