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Copy pathcstring-unit-tests.c
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1892 lines (1473 loc) · 53.6 KB
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#include "cstring.h"
#include "utest/utest.h"
#include <wchar.h>
static const char literal[] = "abcde";
static const wchar_t wliteral[] = L"abcde";
#define strlen_of(lit) \
(sizeof(lit) / sizeof((lit)[0]) - 1)
#define wcseq(s1, s2) \
(wcscmp((s1), (s2)) == 0)
UTEST(string, cstring_literal) {
cstring_literal(lit, char, "abc");
ASSERT_EQ(cstring_size(lit), 3U);
ASSERT_EQ(cstring_capacity(lit), 3U);
ASSERT_STREQ(lit, "abc");
/* -- wide string -- */
cstring_literal(wlit, wchar_t, L"abc");
ASSERT_EQ(cstring_size(wlit), 3U);
ASSERT_EQ(cstring_capacity(wlit), 3U);
ASSERT_TRUE(wcseq(wlit, L"abc"));
}
UTEST(string, cstring_init) {
cstring_init(str, char);
ASSERT_NE(str, NULL);
ASSERT_EQ(cstring_size(str), 0U);
ASSERT_NE(cstring_capacity(str), 0U);
cstring_free(str);
/* -- wide string -- */
cstring_init(wstr, wchar_t);
ASSERT_NE(wstr, NULL);
ASSERT_EQ(cstring_size(wstr), 0U);
ASSERT_NE(cstring_capacity(wstr), 0U);
cstring_free(wstr);
}
UTEST(string, cstring_assign_clear) {
cstring_string_type(char) str = NULL;
cstring_assign(str, literal + 1, 3);
ASSERT_EQ(cstring_size(str), 3U);
ASSERT_EQ(cstring_capacity(str), 3U);
ASSERT_STREQ(str, "bcd");
cstring_assign(str, literal, strlen_of(literal));
ASSERT_EQ(cstring_size(str), strlen_of(literal));
ASSERT_EQ(cstring_capacity(str), strlen_of(literal));
ASSERT_STREQ(str, literal);
cstring_assign(str, literal + 1, 3);
ASSERT_EQ(cstring_size(str), 3U);
ASSERT_EQ(cstring_capacity(str), strlen_of(literal));
ASSERT_STREQ(str, "bcd");
cstring_clear(str);
ASSERT_EQ(cstring_size(str), 0U);
ASSERT_EQ(cstring_capacity(str), strlen_of(literal));
ASSERT_EQ(str[0], '\0');
cstring_free(str);
/* -- wide string -- */
cstring_string_type(wchar_t) wstr = NULL;
cstring_assign(wstr, wliteral + 1, 3);
ASSERT_EQ(cstring_size(wstr), 3U);
ASSERT_EQ(cstring_capacity(wstr), 3U);
ASSERT_TRUE(wcseq(wstr, L"bcd"));
cstring_assign(wstr, wliteral, strlen_of(wliteral));
ASSERT_EQ(cstring_size(wstr), strlen_of(wliteral));
ASSERT_EQ(cstring_capacity(wstr), strlen_of(wliteral));
ASSERT_TRUE(wcseq(wstr, wliteral));
cstring_assign(wstr, wliteral + 1, 3);
ASSERT_EQ(cstring_size(wstr), 3U);
ASSERT_EQ(cstring_capacity(wstr), strlen_of(wliteral));
ASSERT_TRUE(wcseq(wstr, L"bcd"));
cstring_clear(wstr);
ASSERT_EQ(cstring_size(wstr), 0U);
ASSERT_EQ(cstring_capacity(wstr), strlen_of(wliteral));
ASSERT_EQ(wstr[0], L'\0');
cstring_free(wstr);
}
UTEST(string, cstring_at) {
cstring_string_type(char) str = NULL;
cstring_assign(str, literal, strlen_of(literal));
ASSERT_EQ((char)cstring_at(str, 0), 'a');
ASSERT_EQ((char)cstring_at(str, 4), 'e');
ASSERT_EQ(cstring_at(str, 5), -1);
cstring_free(str);
/* -- wide string -- */
cstring_string_type(wchar_t) wstr = NULL;
cstring_assign(wstr, wliteral, strlen_of(wliteral));
ASSERT_EQ((wchar_t)cstring_at(wstr, 0), L'a');
ASSERT_EQ((wchar_t)cstring_at(wstr, 4), L'e');
ASSERT_EQ(cstring_at(wstr, 5), -1);
cstring_free(wstr);
/* -- special cases -- */
cstring_string_type(char) nullstr = NULL;
ASSERT_EQ(cstring_at(nullstr, 0), -1);
cstring_init(zerolenstr, char);
ASSERT_EQ(cstring_at(zerolenstr, 0), -1);
cstring_free(zerolenstr);
}
UTEST(string, cstring_front_back) {
/* see cstring_insert string for the typical use */
/* -- special cases -- */
cstring_string_type(char) nullstr = NULL;
ASSERT_EQ(cstring_front(nullstr), -1);
ASSERT_EQ(cstring_back(nullstr), -1);
cstring_init(zerolenstr, char);
ASSERT_EQ(cstring_front(zerolenstr), -1);
ASSERT_EQ(cstring_back(zerolenstr), -1);
cstring_free(zerolenstr);
}
UTEST(string, cstring_begin_end) {
cstring_string_type(char) str = NULL;
cstring_assign(str, literal, strlen_of(literal));
cstring_iterator(char) it = cstring_begin(str);
cstring_iterator(char) end = cstring_end(str);
int i = 0;
while (it < end) {
ASSERT_EQ(*it, (char)('a' + i));
++it;
++i;
}
cstring_free(str);
/* -- wide string -- */
cstring_string_type(wchar_t) wstr = NULL;
cstring_assign(wstr, wliteral, strlen_of(wliteral));
cstring_iterator(wchar_t) wit = cstring_begin(wstr);
cstring_iterator(wchar_t) wend = cstring_end(wstr);
i = 0;
while (wit < wend) {
ASSERT_EQ(*wit, (wchar_t)(L'a' + i));
++wit;
++i;
}
cstring_free(wstr);
/* -- special cases -- */
cstring_string_type(char) nullstr = NULL;
ASSERT_EQ(cstring_begin(nullstr), NULL);
ASSERT_EQ(cstring_end(nullstr), NULL);
cstring_init(zerolenstr, char);
ASSERT_EQ(*cstring_begin(zerolenstr), '\0');
ASSERT_EQ(*cstring_end(zerolenstr), '\0');
cstring_free(zerolenstr);
}
UTEST(string, cstring_empty) {
/* see cstring_erase string for the typical use */
/* -- special cases -- */
cstring_string_type(char) nullstr = NULL;
ASSERT_TRUE(cstring_empty(nullstr));
}
UTEST(string, cstring_size_length_capacity) {
/* the typical use is found in more places, note that cstring_length is the same as cstring_size */
/* -- special cases -- */
cstring_string_type(char) nullstr = NULL;
ASSERT_EQ(cstring_size(nullstr), 0U);
ASSERT_EQ(cstring_length(nullstr), 0U);
ASSERT_EQ(cstring_capacity(nullstr), 0U);
cstring_string_type(char) zerolenstr = NULL;
cstring_reserve(zerolenstr, 0);
ASSERT_NE(zerolenstr, NULL);
ASSERT_EQ(cstring_size(zerolenstr), 0U);
ASSERT_EQ(cstring_length(zerolenstr), 0U);
ASSERT_EQ(cstring_capacity(zerolenstr), 0U);
cstring_free(zerolenstr);
}
UTEST(string, cstring_max_size) {
ASSERT_TRUE(cstring_max_size(char) && (cstring_max_size(char) & 1) == 0);
/* -- wide string -- */
ASSERT_TRUE(cstring_max_size(wchar_t) && (cstring_max_size(wchar_t) & 1) == 0);
}
UTEST(string, cstring_reserve) {
cstring_string_type(char) str = NULL;
cstring_reserve(str, 10);
ASSERT_EQ(cstring_size(str), 0U);
ASSERT_EQ(cstring_capacity(str), 10U);
ASSERT_EQ(*str, '\0');
cstring_free(str);
/* -- wide string -- */
cstring_string_type(wchar_t) wstr = NULL;
cstring_reserve(wstr, 10);
ASSERT_EQ(cstring_size(wstr), 0U);
ASSERT_EQ(cstring_capacity(wstr), 10U);
ASSERT_EQ(*wstr, L'\0');
cstring_free(wstr);
}
UTEST(string, cstring_shrink_to_fit) {
cstring_string_type(char) str = NULL;
cstring_assign(str, literal, strlen_of(literal));
cstring_pop_back(str);
ASSERT_EQ(cstring_capacity(str), strlen_of(literal));
ASSERT_EQ(cstring_size(str), strlen_of(literal) - 1);
cstring_shrink_to_fit(str);
ASSERT_EQ(cstring_capacity(str), strlen_of(literal) - 1);
ASSERT_EQ(cstring_size(str), strlen_of(literal) - 1);
cstring_free(str);
/* -- wide string -- */
cstring_string_type(wchar_t) wstr = NULL;
cstring_assign(wstr, wliteral, strlen_of(wliteral));
cstring_pop_back(wstr);
ASSERT_EQ(cstring_capacity(wstr), strlen_of(wliteral));
ASSERT_EQ(cstring_size(wstr), strlen_of(wliteral) - 1);
cstring_shrink_to_fit(wstr);
ASSERT_EQ(cstring_capacity(wstr), strlen_of(wliteral) - 1);
ASSERT_EQ(cstring_size(wstr), strlen_of(wliteral) - 1);
cstring_free(wstr);
/* -- special cases -- */
cstring_string_type(char) nullstr = NULL;
cstring_shrink_to_fit(nullstr);
ASSERT_EQ(nullstr, NULL);
}
static size_t unsafe_buffer_update(char *buffer, size_t buffer_size) {
static const char data[] = "1234567890";
const size_t to_copy = (sizeof(data) - 1) < buffer_size ? (sizeof(data) - 1) : buffer_size;
memcpy(buffer, data, to_copy);
return to_copy;
}
static size_t unsafe_wbuffer_update(wchar_t *wbuffer, size_t wbuffer_size) {
static const wchar_t data[] = L"1234567890";
const size_t to_copy = (sizeof(data) / sizeof(wchar_t) - 1) < wbuffer_size ? (sizeof(data) / sizeof(wchar_t) - 1) : wbuffer_size;
memcpy(wbuffer, data, to_copy * sizeof(wchar_t));
return to_copy;
}
UTEST(string, cstring_unsafe_set_size) {
size_t len;
cstring_string_type(char) str = NULL;
cstring_reserve(str, 5);
len = unsafe_buffer_update(str, cstring_capacity(str));
cstring_unsafe_set_size(str, len);
ASSERT_EQ(cstring_size(str), 5U);
ASSERT_STREQ(str, "12345");
cstring_reserve(str, 30);
len = unsafe_buffer_update(str, cstring_capacity(str));
cstring_unsafe_set_size(str, len);
ASSERT_EQ(cstring_size(str), 10U);
ASSERT_STREQ(str, "1234567890");
cstring_free(str);
/* -- wide string -- */
cstring_string_type(wchar_t) wstr = NULL;
cstring_reserve(wstr, 5);
len = unsafe_wbuffer_update(wstr, cstring_capacity(wstr));
cstring_unsafe_set_size(wstr, len);
ASSERT_EQ(cstring_size(wstr), 5U);
ASSERT_TRUE(wcseq(wstr, L"12345"));
cstring_reserve(wstr, 30);
len = unsafe_wbuffer_update(wstr, cstring_capacity(wstr));
cstring_unsafe_set_size(wstr, len);
ASSERT_EQ(cstring_size(wstr), 10U);
ASSERT_TRUE(wcseq(wstr, L"1234567890"));
cstring_free(wstr);
}
UTEST(string, cstring_insert) {
static const char lit1[] = "0145";
static const char lit2[] = "23";
cstring_string_type(char) str = NULL;
cstring_assign(str, lit1, strlen_of(lit1));
cstring_insert(str, 2, lit2, strlen_of(lit2));
ASSERT_EQ(cstring_size(str), 6U);
ASSERT_STREQ(str, "012345");
cstring_insert(str, 6, lit2, strlen_of(lit2));
ASSERT_EQ(cstring_size(str), 8U);
ASSERT_STREQ(str, "01234523");
cstring_insert(str, 0, lit2, strlen_of(lit2));
ASSERT_EQ(cstring_size(str), 10U);
ASSERT_EQ((char)cstring_front(str), '2');
ASSERT_EQ((char)cstring_back(str), '3');
ASSERT_STREQ(str, "2301234523");
cstring_free(str);
/* -- wide string -- */
static const wchar_t wlit1[] = L"0145";
static const wchar_t wlit2[] = L"23";
cstring_string_type(wchar_t) wstr = NULL;
cstring_assign(wstr, wlit1, strlen_of(wlit1));
cstring_insert(wstr, 2, wlit2, strlen_of(wlit2));
ASSERT_EQ(cstring_size(wstr), 6U);
ASSERT_TRUE(wcseq(wstr, L"012345"));
cstring_insert(wstr, 6, wlit2, strlen_of(wlit2));
ASSERT_EQ(cstring_size(wstr), 8U);
ASSERT_TRUE(wcseq(wstr, L"01234523"));
cstring_insert(wstr, 0, wlit2, strlen_of(wlit2));
ASSERT_EQ(cstring_size(wstr), 10U);
ASSERT_EQ((wchar_t)cstring_front(wstr), L'2');
ASSERT_EQ((wchar_t)cstring_back(wstr), L'3');
ASSERT_TRUE(wcseq(wstr, L"2301234523"));
cstring_free(wstr);
/* -- special cases -- */
cstring_string_type(char) nullstr = NULL;
cstring_insert(nullstr, 0, literal, strlen_of(literal));
ASSERT_EQ(nullstr, NULL);
cstring_init(zerolenstr, char);
cstring_insert(zerolenstr, 1, literal, strlen_of(literal));
ASSERT_STREQ(zerolenstr, "");
cstring_insert(zerolenstr, 0, literal, strlen_of(literal));
ASSERT_STREQ(zerolenstr, literal);
cstring_free(zerolenstr);
}
UTEST(string, cstring_erase) {
cstring_string_type(char) str = NULL;
cstring_assign(str, literal, strlen_of(literal));
ASSERT_EQ(cstring_size(str), strlen_of(literal));
ASSERT_EQ(cstring_capacity(str), strlen_of(literal));
ASSERT_STREQ(str, literal);
cstring_erase(str, 3, 1);
ASSERT_EQ(cstring_size(str), strlen_of(literal) - 1);
ASSERT_EQ(cstring_capacity(str), strlen_of(literal));
ASSERT_STREQ(str, "abce");
cstring_erase(str, 3, 1);
ASSERT_EQ(cstring_size(str), strlen_of(literal) - 2);
ASSERT_EQ(cstring_capacity(str), strlen_of(literal));
ASSERT_STREQ(str, "abc");
cstring_erase(str, 0, 2);
ASSERT_EQ(cstring_size(str), strlen_of(literal) - 4);
ASSERT_EQ(cstring_capacity(str), strlen_of(literal));
ASSERT_STREQ(str, "c");
cstring_erase(str, 0, 1000);
ASSERT_TRUE(cstring_empty(str));
ASSERT_EQ(cstring_capacity(str), strlen_of(literal));
ASSERT_STREQ(str, "");
cstring_free(str);
/* -- wide string -- */
cstring_string_type(wchar_t) wstr = NULL;
cstring_assign(wstr, wliteral, strlen_of(wliteral));
ASSERT_EQ(cstring_size(wstr), strlen_of(wliteral));
ASSERT_EQ(cstring_capacity(wstr), strlen_of(wliteral));
ASSERT_TRUE(wcseq(wstr, wliteral));
cstring_erase(wstr, 3, 1);
ASSERT_EQ(cstring_size(wstr), strlen_of(wliteral) - 1);
ASSERT_EQ(cstring_capacity(wstr), strlen_of(wliteral));
ASSERT_TRUE(wcseq(wstr, L"abce"));
cstring_erase(wstr, 3, 1);
ASSERT_EQ(cstring_size(wstr), strlen_of(wliteral) - 2);
ASSERT_EQ(cstring_capacity(wstr), strlen_of(wliteral));
ASSERT_TRUE(wcseq(wstr, L"abc"));
cstring_erase(wstr, 0, 2);
ASSERT_EQ(cstring_size(wstr), strlen_of(wliteral) - 4);
ASSERT_EQ(cstring_capacity(wstr), strlen_of(wliteral));
ASSERT_TRUE(wcseq(wstr, L"c"));
cstring_erase(wstr, 0, 1000);
ASSERT_TRUE(cstring_empty(wstr));
ASSERT_EQ(cstring_capacity(wstr), strlen_of(wliteral));
ASSERT_TRUE(wcseq(wstr, L""));
cstring_free(wstr);
}
UTEST(string, cstring_push_back) {
cstring_string_type(char) str = NULL;
cstring_assign(str, literal, strlen_of(literal));
cstring_push_back(str, 'f');
ASSERT_EQ(cstring_size(str), strlen_of(literal) + 1);
ASSERT_STREQ(str, "abcdef");
cstring_free(str);
/* -- wide string -- */
cstring_string_type(wchar_t) wstr = NULL;
cstring_assign(wstr, wliteral, strlen_of(wliteral));
cstring_push_back(wstr, L'f');
ASSERT_EQ(cstring_size(wstr), strlen_of(wliteral) + 1);
ASSERT_TRUE(wcseq(wstr, L"abcdef"));
cstring_free(wstr);
/* -- special cases -- */
cstring_string_type(char) nullstr = NULL;
cstring_push_back(nullstr, 'x');
ASSERT_EQ(cstring_size(nullstr), 1U);
ASSERT_EQ(cstring_capacity(nullstr), 1U);
ASSERT_STREQ(nullstr, "x");
cstring_free(nullstr);
}
UTEST(string, cstring_pop_back) {
cstring_string_type(char) str = NULL;
cstring_assign(str, literal, strlen_of(literal));
cstring_pop_back(str);
ASSERT_EQ(cstring_size(str), strlen_of(literal) - 1);
ASSERT_EQ(str[cstring_size(str)], '\0');
cstring_free(str);
/* -- wide string -- */
cstring_string_type(wchar_t) wstr = NULL;
cstring_assign(wstr, wliteral, strlen_of(wliteral));
cstring_pop_back(wstr);
ASSERT_EQ(cstring_size(wstr), strlen_of(wliteral) - 1);
ASSERT_EQ(wstr[cstring_size(wstr)], L'\0');
cstring_free(wstr);
/* -- special cases -- */
cstring_string_type(char) nullstr = NULL;
cstring_pop_back(nullstr);
ASSERT_EQ(nullstr, NULL);
cstring_init(zerolenstr, char);
cstring_pop_back(zerolenstr);
ASSERT_STREQ(zerolenstr, "");
cstring_free(zerolenstr);
}
UTEST(string, cstring_append) {
cstring_string_type(char) str = NULL;
cstring_assign(str, literal, strlen_of(literal));
cstring_append(str, literal, strlen_of(literal));
ASSERT_EQ(cstring_size(str), 2 * strlen_of(literal));
ASSERT_STREQ(str, "abcdeabcde");
cstring_free(str);
/* -- wide string -- */
cstring_string_type(wchar_t) wstr = NULL;
cstring_assign(wstr, wliteral, strlen_of(wliteral));
cstring_append(wstr, wliteral, strlen_of(wliteral));
ASSERT_EQ(cstring_size(wstr), 2 * strlen_of(wliteral));
ASSERT_TRUE(wcseq(wstr, L"abcdeabcde"));
cstring_free(wstr);
/* -- special cases -- */
cstring_string_type(char) nullstr = NULL;
cstring_append(nullstr, literal, strlen_of(literal));
ASSERT_STREQ(nullstr, literal);
cstring_free(nullstr);
cstring_init(zerolenstr, char);
cstring_append(zerolenstr, literal, strlen_of(literal));
ASSERT_STREQ(zerolenstr, literal);
cstring_free(zerolenstr);
}
UTEST(string, cstring_replace) {
cstring_string_type(char) str = NULL;
cstring_assign(str, literal, strlen_of(literal));
static const char repl[] = "foo";
cstring_replace(str, 1, 2, repl, strlen_of(repl));
ASSERT_EQ(cstring_size(str), strlen_of(literal) + 1);
ASSERT_STREQ(str, "afoode");
cstring_free(str);
/* -- wide string -- */
cstring_string_type(wchar_t) wstr = NULL;
cstring_assign(wstr, wliteral, strlen_of(wliteral));
static const wchar_t wrepl[] = L"foo";
cstring_replace(wstr, 1, 2, wrepl, strlen_of(wrepl));
ASSERT_EQ(cstring_size(wstr), strlen_of(wliteral) + 1);
ASSERT_TRUE(wcseq(wstr, L"afoode"));
cstring_free(wstr);
/* -- special cases -- */
cstring_string_type(char) nullstr = NULL;
cstring_replace(nullstr, 0, 0, repl, strlen_of(repl));
ASSERT_EQ(nullstr, NULL);
cstring_init(zerolenstr, char);
cstring_replace(zerolenstr, 0, 0, repl, strlen_of(repl));
ASSERT_STREQ(zerolenstr, repl);
cstring_free(zerolenstr);
}
UTEST(string, cstring_copy) {
cstring_string_type(char) str = NULL;
cstring_string_type(char) other = NULL;
cstring_assign(str, literal, strlen_of(literal));
cstring_copy(str, other);
ASSERT_EQ(cstring_size(str), cstring_size(other));
ASSERT_EQ(other[cstring_size(other)], '\0');
ASSERT_STREQ(other, literal);
cstring_free(other);
cstring_free(str);
/* -- wide string -- */
cstring_string_type(wchar_t) wstr = NULL;
cstring_string_type(wchar_t) wother = NULL;
cstring_assign(wstr, wliteral, strlen_of(wliteral));
cstring_copy(wstr, wother);
ASSERT_EQ(cstring_size(wstr), cstring_size(wother));
ASSERT_EQ(wother[cstring_size(wother)], L'\0');
ASSERT_TRUE(wcseq(wother, wliteral));
cstring_free(wother);
cstring_free(wstr);
/* -- special cases -- */
cstring_string_type(char) nullstr = NULL;
cstring_copy(nullstr, other);
ASSERT_EQ(nullstr, NULL);
ASSERT_EQ(other, NULL);
cstring_assign(str, literal, strlen_of(literal));
cstring_assign(other, "a", 1);
cstring_copy(str, other);
ASSERT_EQ(cstring_size(other), strlen_of(literal));
ASSERT_STREQ(other, literal);
static const char lit2[] = "1234567890";
cstring_assign(other, lit2, strlen_of(lit2));
cstring_copy(str, other);
ASSERT_EQ(cstring_size(other), strlen_of(literal));
ASSERT_STREQ(other, literal);
cstring_free(other);
cstring_free(str);
}
UTEST(string, cstring_resize) {
cstring_string_type(char) str = NULL;
cstring_assign(str, literal, strlen_of(literal));
cstring_resize(str, strlen_of(literal) + 1, 'x');
ASSERT_EQ(cstring_size(str), strlen_of(literal) + 1);
ASSERT_STREQ(str, "abcdex");
cstring_resize(str, 4, 'x');
ASSERT_EQ(cstring_size(str), 4U);
ASSERT_STREQ(str, "abcd");
cstring_free(str);
/* -- wide string -- */
cstring_string_type(wchar_t) wstr = NULL;
cstring_assign(wstr, wliteral, strlen_of(wliteral));
cstring_resize(wstr, strlen_of(wliteral) + 1, L'x');
ASSERT_EQ(cstring_size(wstr), strlen_of(wliteral) + 1);
ASSERT_TRUE(wcseq(wstr, L"abcdex"));
cstring_resize(wstr, 4, L'x');
ASSERT_EQ(cstring_size(wstr), 4U);
ASSERT_TRUE(wcseq(wstr, L"abcd"));
cstring_free(wstr);
/* -- special cases -- */
cstring_string_type(char) nullstr = NULL;
cstring_resize(nullstr, 10, 'x');
ASSERT_STREQ(nullstr, "xxxxxxxxxx");
cstring_free(nullstr);
cstring_init(zerolenstr, char);
cstring_resize(zerolenstr, 10, 'x');
ASSERT_STREQ(zerolenstr, "xxxxxxxxxx");
cstring_free(zerolenstr);
}
UTEST(string, cstring_swap) {
cstring_string_type(char) str1 = NULL;
cstring_string_type(char) str2 = NULL;
cstring_assign(str1, literal, 2);
cstring_assign(str2, literal + 2, 3);
ASSERT_EQ(cstring_size(str1), 2U);
ASSERT_EQ(cstring_size(str2), 3U);
ASSERT_STREQ(str1, "ab");
ASSERT_STREQ(str2, "cde");
cstring_swap(str1, str2);
ASSERT_EQ(cstring_size(str1), 3U);
ASSERT_EQ(cstring_size(str2), 2U);
ASSERT_STREQ(str1, "cde");
ASSERT_STREQ(str2, "ab");
cstring_free(str2);
cstring_free(str1);
/* -- wide string -- */
cstring_string_type(wchar_t) wstr1 = NULL;
cstring_string_type(wchar_t) wstr2 = NULL;
cstring_assign(wstr1, wliteral, 2);
cstring_assign(wstr2, wliteral + 2, 3);
ASSERT_EQ(cstring_size(wstr1), 2U);
ASSERT_EQ(cstring_size(wstr2), 3U);
ASSERT_TRUE(wcseq(wstr1, L"ab"));
ASSERT_TRUE(wcseq(wstr2, L"cde"));
cstring_swap(wstr1, wstr2);
ASSERT_EQ(cstring_size(wstr1), 3U);
ASSERT_EQ(cstring_size(wstr2), 2U);
ASSERT_TRUE(wcseq(wstr1, L"cde"));
ASSERT_TRUE(wcseq(wstr2, L"ab"));
cstring_free(wstr2);
cstring_free(wstr1);
/* -- special cases -- */
ASSERT_EQ(str1, NULL);
ASSERT_EQ(str2, NULL);
cstring_swap(str1, str2);
ASSERT_EQ(str1, NULL);
ASSERT_EQ(str2, NULL);
cstring_assign(str1, literal, strlen_of(literal));
cstring_swap(str1, str2);
ASSERT_EQ(str1, NULL);
ASSERT_STREQ(str2, literal);
cstring_swap(str1, str2);
ASSERT_STREQ(str1, literal);
ASSERT_EQ(str2, NULL);
cstring_free(str1);
}
UTEST(string, cstring_trim) {
cstring_string_type(char) str = NULL;
cstring_assign(str, " ab ", strlen_of(" ab "));
cstring_trim(str, ' ', 3);
ASSERT_EQ(cstring_size(str), 2U);
ASSERT_STREQ(str, "ab");
cstring_assign(str, "ab ", strlen_of("ab "));
cstring_trim(str, ' ', 1);
ASSERT_EQ(cstring_size(str), 4U);
ASSERT_STREQ(str, "ab ");
cstring_trim(str, ' ', 3);
ASSERT_EQ(cstring_size(str), 2U);
ASSERT_STREQ(str, "ab");
cstring_assign(str, " ab", strlen_of(" ab"));
cstring_trim(str, ' ', 2);
ASSERT_EQ(cstring_size(str), 4U);
ASSERT_STREQ(str, " ab");
cstring_trim(str, ' ', 3);
ASSERT_EQ(cstring_size(str), 2U);
ASSERT_STREQ(str, "ab");
cstring_assign(str, " ", strlen_of(" "));
cstring_trim(str, ' ', 1);
ASSERT_EQ(cstring_size(str), 0U);
ASSERT_STREQ(str, "");
cstring_assign(str, " ", strlen_of(" "));
cstring_trim(str, ' ', 2);
ASSERT_EQ(cstring_size(str), 0U);
ASSERT_STREQ(str, "");
cstring_assign(str, " ", strlen_of(" "));
cstring_trim(str, ' ', 3);
ASSERT_EQ(cstring_size(str), 0U);
ASSERT_STREQ(str, "");
cstring_assign(str, "ab", strlen_of("ab"));
cstring_trim(str, ' ', 3);
ASSERT_EQ(cstring_size(str), 2U);
ASSERT_STREQ(str, "ab");
cstring_free(str);
/* -- wide string -- */
cstring_string_type(wchar_t) wstr = NULL;
cstring_assign(wstr, L" ab ", strlen_of(L" ab "));
cstring_trim(wstr, L' ', 3);
ASSERT_EQ(cstring_size(wstr), 2U);
ASSERT_TRUE(wcseq(wstr, L"ab"));
cstring_assign(wstr, L"ab ", strlen_of(L"ab "));
cstring_trim(wstr, L' ', 1);
ASSERT_EQ(cstring_size(wstr), 4U);
ASSERT_TRUE(wcseq(wstr, L"ab "));
cstring_trim(wstr, L' ', 3);
ASSERT_EQ(cstring_size(wstr), 2U);
ASSERT_TRUE(wcseq(wstr, L"ab"));
cstring_assign(wstr, L" ab", strlen_of(L" ab"));
cstring_trim(wstr, L' ', 2);
ASSERT_EQ(cstring_size(wstr), 4U);
ASSERT_TRUE(wcseq(wstr, L" ab"));
cstring_trim(wstr, L' ', 3);
ASSERT_EQ(cstring_size(wstr), 2U);
ASSERT_TRUE(wcseq(wstr, L"ab"));
cstring_assign(wstr, L" ", strlen_of(L" "));
cstring_trim(wstr, L' ', 1);
ASSERT_EQ(cstring_size(wstr), 0U);
ASSERT_TRUE(wcseq(wstr, L""));
cstring_assign(wstr, L" ", strlen_of(L" "));
cstring_trim(wstr, L' ', 2);
ASSERT_EQ(cstring_size(wstr), 0U);
ASSERT_TRUE(wcseq(wstr, L""));
cstring_assign(wstr, L" ", strlen_of(L" "));
cstring_trim(wstr, L' ', 3);
ASSERT_EQ(cstring_size(wstr), 0U);
ASSERT_TRUE(wcseq(wstr, L""));
cstring_assign(wstr, L"ab", strlen_of(L"ab"));
cstring_trim(wstr, L' ', 3);
ASSERT_EQ(cstring_size(wstr), 2U);
ASSERT_TRUE(wcseq(wstr, L"ab"));
cstring_free(wstr);
/* -- special cases -- */
cstring_string_type(char) nullstr = NULL;
cstring_trim(nullstr, ' ', 3);
ASSERT_EQ(cstring_size(nullstr), 0U);
ASSERT_EQ(nullstr, NULL);
}
UTEST(string, cstring_fix) {
cstring_string_type(char) str = NULL;
cstring_assign(str, "abc", 3);
cstring_fix(str, 5, ' ', 1);
ASSERT_EQ(cstring_size(str), 5U);
ASSERT_STREQ(str, " abc");
cstring_assign(str, "abc", 3);
cstring_fix(str, 5, ' ', 2);
ASSERT_EQ(cstring_size(str), 5U);
ASSERT_STREQ(str, "abc ");
cstring_assign(str, "abc", 3);
cstring_fix(str, 5, ' ', 3);
ASSERT_EQ(cstring_size(str), 5U);
ASSERT_STREQ(str, " abc ");
cstring_assign(str, "abc", 3);
cstring_fix(str, 6, ' ', 3);
ASSERT_EQ(cstring_size(str), 6U);
ASSERT_STREQ(str, " abc ");
cstring_assign(str, "abc", 3);
cstring_fix(str, 1, ' ', 1);
ASSERT_EQ(cstring_size(str), 1U);
ASSERT_STREQ(str, "c");
cstring_assign(str, "abc", 3);
cstring_fix(str, 1, ' ', 2);
ASSERT_EQ(cstring_size(str), 1U);
ASSERT_STREQ(str, "a");
cstring_assign(str, "abc", 3);
cstring_fix(str, 1, ' ', 3);
ASSERT_EQ(cstring_size(str), 1U);
ASSERT_STREQ(str, "b");
cstring_free(str);
/* -- wide string -- */
cstring_string_type(wchar_t) wstr = NULL;
cstring_assign(wstr, L"abc", 3);
cstring_fix(wstr, 5, L' ', 1);
ASSERT_EQ(cstring_size(wstr), 5U);
ASSERT_TRUE(wcseq(wstr, L" abc"));
cstring_assign(wstr, L"abc", 3);
cstring_fix(wstr, 5, L' ', 2);
ASSERT_EQ(cstring_size(wstr), 5U);
ASSERT_TRUE(wcseq(wstr, L"abc "));
cstring_assign(wstr, L"abc", 3);
cstring_fix(wstr, 5, L' ', 3);
ASSERT_EQ(cstring_size(wstr), 5U);
ASSERT_TRUE(wcseq(wstr, L" abc "));
cstring_assign(wstr, L"abc", 3);
cstring_fix(wstr, 6, L' ', 3);
ASSERT_EQ(cstring_size(wstr), 6U);
ASSERT_TRUE(wcseq(wstr, L" abc "));
cstring_assign(wstr, L"abc", 3);
cstring_fix(wstr, 1, L' ', 1);
ASSERT_EQ(cstring_size(wstr), 1U);
ASSERT_TRUE(wcseq(wstr, L"c"));
cstring_assign(wstr, L"abc", 3);
cstring_fix(wstr, 1, L' ', 2);
ASSERT_EQ(cstring_size(wstr), 1U);
ASSERT_TRUE(wcseq(wstr, L"a"));
cstring_assign(wstr, L"abc", 3);
cstring_fix(wstr, 1, L' ', 3);
ASSERT_EQ(cstring_size(wstr), 1U);
ASSERT_TRUE(wcseq(wstr, L"b"));
cstring_free(wstr);
/* -- special cases -- */
cstring_assign(str, "", 0);
cstring_fix(str, 5, ' ', 3);
ASSERT_EQ(cstring_size(str), 5U);
ASSERT_STREQ(str, " ");
cstring_assign(str, "x", 1);
cstring_fix(str, 0, ' ', 3);
ASSERT_EQ(cstring_size(str), 0U);
ASSERT_STREQ(str, "");
cstring_free(str);
cstring_string_type(char) nullstr = NULL;
cstring_fix(nullstr, 5, ' ', 3);
ASSERT_EQ(cstring_size(nullstr), 0U);
ASSERT_EQ(nullstr, NULL);
}
UTEST(string, cstring_reverse) {
cstring_string_type(char) str = NULL;
cstring_assign(str, "abc", 3);
cstring_reverse(str);
ASSERT_EQ(cstring_size(str), 3U);
ASSERT_STREQ(str, "cba");
cstring_assign(str, "ab", 2);
cstring_reverse(str);
ASSERT_EQ(cstring_size(str), 2U);
ASSERT_STREQ(str, "ba");
cstring_assign(str, "a", 1);
cstring_reverse(str);
ASSERT_EQ(cstring_size(str), 1U);
ASSERT_STREQ(str, "a");
cstring_free(str);
/* -- wide string -- */
cstring_string_type(wchar_t) wstr = NULL;
cstring_assign(wstr, L"abc", 3);
cstring_reverse(wstr);
ASSERT_EQ(cstring_size(wstr), 3U);
ASSERT_TRUE(wcseq(wstr, L"cba"));
cstring_assign(wstr, L"ab", 2);
cstring_reverse(wstr);
ASSERT_EQ(cstring_size(wstr), 2U);
ASSERT_TRUE(wcseq(wstr, L"ba"));
cstring_assign(wstr, L"a", 1);
cstring_reverse(wstr);
ASSERT_EQ(cstring_size(wstr), 1U);
ASSERT_TRUE(wcseq(wstr, L"a"));
cstring_free(wstr);
/* -- special cases -- */
cstring_assign(str, "", 0);
cstring_reverse(str);
ASSERT_EQ(cstring_size(str), 0U);
ASSERT_STREQ(str, "");
cstring_free(str);
cstring_string_type(char) nullstr = NULL;
cstring_reverse(nullstr);
ASSERT_EQ(cstring_size(nullstr), 0U);
ASSERT_EQ(nullstr, NULL);
}
UTEST(string, cstring_find_rfind) {
ptrdiff_t off;
cstring_string_type(char) str = NULL;
cstring_assign(str, "abcdefghabcdefgh", 16);
cstring_find(str, 0, "gh", 2, off);
ASSERT_EQ(off, 6);
cstring_find(str, 5, "gh", 2, off);
ASSERT_EQ(off, 6);
cstring_find(str, 6, "gh", 2, off);
ASSERT_EQ(off, 6);
cstring_find(str, 7, "gh", 2, off);
ASSERT_EQ(off, 14);
cstring_find(str, 8, "h", 1, off);
ASSERT_EQ(off, 15);
cstring_rfind(str, -1, "gh", 2, off);