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| #include <iomanip>
#include <iostream>
namespace ns_test_palindrome_with_spaces {
typedef bool (*t_func) (const std::string&);
/**
* 1) Copy into new_str input without spaces
* 2) Test palindrome using new_str
*/
bool process_copy(const std::string& input) {
size_t size = input.size();
bool ret;
if (size > 1) {
std::string new_str;
size_t input_index, new_index;
char c;
new_str.reserve(size);
for(input_index=0; input_index < size; ++input_index) {
c = input[input_index];
if (c != ' ') { new_str.append(1, c); }
}
size = new_str.size();
if (size > 1) {
// std::cout << "input without spaces: " << new_str << " (" << size << ")" << std::endl;
ret = true;
for(input_index=0, new_index=(size - 1); (ret && (input_index < new_index)); ++input_index, --new_index) {
// std::cout << "test: " << new_str[input_index] << " (" << input_index << ") and " << new_str[new_index] << " (" << new_index << ")" << std::endl;
if (new_str[input_index] != new_str[new_index]) { ret = false; }
}
} else {
ret = false;
}
} else {
ret = false;
}
return ret;
}
bool process_in_place(const std::string& input) {
size_t input_size = input.size();
bool ret;
if (input_size > 1) {
size_t left_index, right_index, count;
char left_c, right_c;
ret = true;
for(left_index=0, right_index=(input_size - 1), count=0; (ret && (left_index < right_index));) {
left_c = input[left_index];
if (left_c != ' ') {
right_c = input[right_index];
if (right_c != ' ') {
// std::cout << "test: " << left_c << " (" << left_index << ") and " << right_c << " (" << right_index << ")" << std::endl;
if (left_c == right_c) {
++left_index;
--right_index;
++count;
} else {
ret = false;
}
} else {
--right_index;
}
} else {
++left_index;
}
}
// std::cout << "Nb comparaisons : " << count << std::endl;
ret = (ret && (count > 0));
} else {
ret = false;
}
return ret;
}
class c_unit_test {
public:
c_unit_test() { reset(); }
public:
void is_palindrome(t_func func, const std::string& input, const std::string& test_msg) {
++count;
if ( func(input) ) {
std::cout << std::setw(3) << count << " - " << std::left << std::setw(62) << test_msg << std::right << " : ok" << std::endl;
} else {
std::cout << std::setw(3) << count << " - " << std::left << std::setw(62) << test_msg << std::right << " : not ok" << std::endl;
}
}
void is_not_palindrome(t_func func, const std::string& input, const std::string& test_msg) {
++count;
if (!func(input)) {
std::cout << std::setw(3) << count << " - " << std::left << std::setw(62) << test_msg << std::right << " : ok" << std::endl;
} else {
std::cout << std::setw(3) << count << " - " << std::left << std::setw(62) << test_msg << std::right << " : not ok" << std::endl;
}
}
void reset() {
count = 0;
}
private:
size_t count;
};
}
int main (int argc, char** argv)
{
std::string palindrome01 = "caser vite ce palindrome ne mord ni lape cet ivre sac";
std::string palindrome02 = "et si l arome des bottes revele ma deviante et naive dame le verset t obsede moraliste";
std::string palindrome03 = "acubaannaabuca"; // size is even
std::string palindrome04 = "a v i v a"; // size is odd
std::string empty_str, one_char = "a", space_str = " ";
std::string word01 = "align data in columns when writing to an output stream";
std::string word02 = "aligndataincolumnswhenwritingtoanoutputstream";
ns_test_palindrome_with_spaces::c_unit_test test;
std::cout << "test copy :" << std::endl;
test.is_not_palindrome(ns_test_palindrome_with_spaces::process_copy, empty_str, "test empty");
test.is_not_palindrome(ns_test_palindrome_with_spaces::process_copy, one_char, "one char");
test.is_not_palindrome(ns_test_palindrome_with_spaces::process_copy, space_str, "str full of spaces");
test.is_not_palindrome(ns_test_palindrome_with_spaces::process_copy, word01, "not palindrome");
test.is_not_palindrome(ns_test_palindrome_with_spaces::process_copy, word02, "not palindrome (without spaces)");
test.is_palindrome(ns_test_palindrome_with_spaces::process_copy, palindrome01, "test 1 palindrome");
test.is_palindrome(ns_test_palindrome_with_spaces::process_copy, palindrome02, "test 2 palindrome");
test.is_palindrome(ns_test_palindrome_with_spaces::process_copy, palindrome03, "test 3 palindrome (without spaces)");
test.is_palindrome(ns_test_palindrome_with_spaces::process_copy, palindrome04, "test 4 palindrome (a lof of spaces)");
test.reset();
std::cout << std::endl << std::endl << "test in place :" << std::endl;
test.is_not_palindrome(ns_test_palindrome_with_spaces::process_in_place, empty_str, "test empty");
test.is_not_palindrome(ns_test_palindrome_with_spaces::process_in_place, one_char, "one char");
test.is_not_palindrome(ns_test_palindrome_with_spaces::process_in_place, space_str, "str full of spaces");
test.is_not_palindrome(ns_test_palindrome_with_spaces::process_in_place, word01, "not palindrome");
test.is_not_palindrome(ns_test_palindrome_with_spaces::process_in_place, word02, "not palindrome (without spaces)");
test.is_palindrome(ns_test_palindrome_with_spaces::process_in_place, palindrome01, "test 1 palindrome");
test.is_palindrome(ns_test_palindrome_with_spaces::process_in_place, palindrome02, "test 2 palindrome");
test.is_palindrome(ns_test_palindrome_with_spaces::process_in_place, palindrome03, "test 3 palindrome (without spaces)");
test.is_palindrome(ns_test_palindrome_with_spaces::process_in_place, palindrome04, "test 4 palindrome (a lof of spaces)");
return 0;
} |
