mirror of
https://github.com/qpdf/qpdf.git
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317 lines
8.7 KiB
C++
317 lines
8.7 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 <qpdf/PointerHolder.hh>
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#include <string.h>
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#include <limits.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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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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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)
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{
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threw = true;
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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: 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 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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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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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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}
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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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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)
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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_lines_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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}
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void assert_hex_encode(std::string const& input, std::string const& expected)
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{
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std::string actual = QUtil::hex_encode(input);
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if (expected != actual)
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{
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std::cout << "hex encode " << input
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<< ": expected = " << expected
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<< "; actual = " << actual
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<< std::endl;
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}
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}
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void assert_hex_decode(std::string const& input, std::string const& expected)
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{
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std::string actual = QUtil::hex_decode(input);
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if (expected != actual)
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{
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std::cout << "hex encode " << input
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<< ": expected = " << expected
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<< "; actual = " << actual
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<< std::endl;
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}
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}
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void hex_encode_decode_test()
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{
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std::cout << "begin hex encode/decode\n";
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assert_hex_encode("", "");
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assert_hex_encode("Potato", "506f7461746f");
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std::string with_null("a\367" "00w");
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with_null[3] = '\0';
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assert_hex_encode(with_null, "61f7300077");
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assert_hex_decode("", "");
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assert_hex_decode("61F7-3000-77", with_null);
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assert_hex_decode("41455", "AEP");
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std::cout << "end hex encode/decode\n";
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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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std::cout << "----" << std::endl;
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get_whoami_test();
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std::cout << "----" << std::endl;
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same_file_test();
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std::cout << "----" << std::endl;
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read_lines_from_file_test();
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std::cout << "----" << std::endl;
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hex_encode_decode_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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