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dstr_test.cpp
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dstr_test.cpp
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#include <assert.h>
#include <string.h>
#include <stdio.h>
#include <ctype.h>
#include <errno.h>
#include <stdlib.h>
#include "dstr.h"
#if defined(__BORLANDC__) || (defined(_MSC_VER) && (_MSC_VER <= 1200))
#define TRACE_FN() printf("%d\n", __LINE__)
#else
#define TRACE_FN() puts(__FUNCTION__)
#endif
#define TRACE_LN() printf("%d\n", __LINE__)
#define TRACE_DS(s) do { \
printf("LINE = %d, ", __LINE__); \
printf("DS name = %s, ", #s); \
printf("CAPACITY = %lu, ", dstrcap(s)); \
printf("LEN = %lu, ", dstrlen(s)); \
printf("ADDR = %p, ", (s)); \
printf("BUFF = %p, ", dstrdata(s)); \
printf("Contents = %s\n", dstrdata(s)); \
} while (0)
//-------------------------------------------------
void test_ctor()
{
TRACE_FN();
DSTR s1 = dstrnew_sz("hello");
TRACE_DS(s1);
assert(dstrlen(s1) == strlen("hello"));
assert(strcmp(dstrdata(s1), "hello") == 0);
DSTR s2 = dstrnew();
TRACE_DS(s2);
assert(dstrlen(s2) == 0);
TRACE_DS(s1);
dstrfree(s1);
dstrfree(s2);
}
//-------------------------------------------------
void test_eq()
{
TRACE_FN();
DSTR s1 = dstrnew_sz("hello");
DSTR s2 = dstrnew_sz("hello");
DSTR s3 = dstrnew_sz("HELLO");
DSTR s4 = dstrnew_sz("Hello World");
DSTR s5 = dstrnew();
assert(dstreq_ds(s1, s2));
assert(dstreq_sz(s1, "hello"));
assert(!dstreq_ds(s1, s3));
assert(!dstreq_sz(s1, "ABC"));
assert(!dstreq_ds(s1, s4));
assert(dstrcmp_ds(s1, s2) == 0);
assert(dstrcmp_sz(s1, "hello") == 0);
assert(dstrcmp_ds(s1, s3) != 0);
assert(dstrcmp_sz(s1, "ABC") != 0);
assert(dstrcmp_sz(s5, NULL) == 0);
assert(dstrcmp_sz(s1, NULL) < 0);
assert(dstreq_sz(s5, NULL));
assert(!dstreq_sz(s1, NULL));
assert(dstreq_i(s3, "hello"));
assert(dstreq_i(s3, "heLLo"));
assert(dstreq_i(s3, "hEllo"));
assert(!dstreq_i(s3, "Xhello"));
dstrfree(s1);
dstrfree(s2);
dstrfree(s3);
dstrfree(s4);
dstrfree(s5);
}
//-------------------------------------------------
void test_empty_dstr()
{
TRACE_FN();
DSTR s1 = dstrnew();
DSTR s2 = dstrnew_bl(NULL, 0);
DSTR s3 = dstrnew_reserve(0);
DSTR s4 = dstrnew_reserve(100);
DSTR s5 = dstrnew_sz(NULL);
DSTR s6 = dstrnew_cc('\0', 100);
DSTR s7 = dstrnew_cc('C', 0);
DSTR s8 = dstrnew_bl("", 100);
assert(dstrlen(s1) == 0);
assert(dstrlen(s2) == 0);
assert(dstrlen(s3) == 0);
assert(dstrlen(s4) == 0);
assert(dstrlen(s5) == 0);
assert(dstrlen(s6) == 0);
assert(dstrlen(s7) == 0);
assert(dstrlen(s8) == 0);
assert(dstrempty(s1));
assert(dstrempty(s2));
assert(dstrempty(s3));
assert(dstrempty(s4));
assert(dstrempty(s5));
assert(dstrempty(s6));
assert(dstrempty(s7));
assert(dstrempty(s8));
assert( dstreq_ds(s1, s2) );
assert( dstreq_ds(s2, s3) );
assert( dstreq_ds(s3, s4) );
assert( dstreq_ds(s4, s5) );
assert( dstreq_ds(s5, s6) );
assert( dstreq_ds(s6, s7) );
assert( dstreq_ds(s7, s8) );
assert( dstreq_ds(s8, s1) );
assert(strlen(dstrdata(s1)) == 0);
assert(strlen(dstrdata(s2)) == 0);
assert(strlen(dstrdata(s3)) == 0);
assert(strlen(dstrdata(s4)) == 0);
assert(strlen(dstrdata(s5)) == 0);
assert(strlen(dstrdata(s6)) == 0);
assert(strlen(dstrdata(s7)) == 0);
assert(strlen(dstrdata(s8)) == 0);
dstrfree(s1);
dstrfree(s2);
dstrfree(s3);
dstrfree(s4);
dstrfree(s5);
dstrfree(s6);
dstrfree(s7);
dstrfree(s8);
}
//-------------------------------------------------
void test_char_ctor()
{
TRACE_FN();
DSTR s1 = dstrnew_cc('A', 5);
assert( dstrlen(s1) == 5 );
assert( dstreq_sz(s1, "AAAAA") );
DSTR s2 = dstrnew_cc('B', 1);
assert( dstrlen(s2) == 1 );
assert( dstreq_sz(s2, "B") );
assert( dstrgetc(s2, 0) == 'B' );
DSTR s3 = dstrnew_cc('\0', 5);
assert( dstrlen(s3) == 0 );
assert( dstreq_sz(s3, "") );
dstrfree(s1);
dstrfree(s2);
dstrfree(s3);
}
//-------------------------------------------------
void test_copy_ctor()
{
TRACE_FN();
DSTR s1 = dstrnew_sz("hello");
DSTR s2 = dstrnew_ds(s1);
assert(dstreq_ds(s1, s2));
assert(dstreq_sz(s2, "hello"));
DSTR s3 = dstrnew();
DSTR s4 = dstrnew_ds(s3);
assert( dstreq_ds(s3, s4));
dstrfree(s1);
dstrfree(s2);
dstrfree(s3);
dstrfree(s4);
}
//-------------------------------------------------
void test_buff_ctor()
{
TRACE_FN();
DSTR s1 = dstrnew_bl("ABCDEFGH", 5);
assert(dstrlen(s1) == 5);
assert(dstreq_sz(s1, "ABCDE"));
DSTR s2 = dstrnew_bl("ABCDEFGH", 0);
assert( dstrlen(s2) == 0);
assert( dstreq_sz(s2,""));
// Test assign_buff too
//
DSTR s3 = dstrnew();
dstrcpy_bl(s3, "ABCDEFGH", 5);
assert(dstrlen(s3) == 5);
assert(dstreq_sz(s3, "ABCDE"));
DSTR s4 = dstrnew();
dstrcpy_bl(s4, "ABCDEFGH", 0);
assert(dstrlen(s4) == 0);
assert(dstreq_sz(s4, ""));
// failed
DSTR s5 = dstrnew_bl("", 10);
assert( dstreq_sz(s5, "") );
assert(dstrlen(s5) == 0);
dstrfree(s1);
dstrfree(s2);
dstrfree(s3);
dstrfree(s4);
dstrfree(s5);
}
//-------------------------------------------------
void test_assign()
{
TRACE_FN();
DSTR s1 = dstrnew();
dstrcpy_sz(s1, "hello");
assert( dstreq_sz(s1, "hello"));
assert( dstrlen(s1) == strlen("hello"));
DSTR s2 = dstrnew();
dstrcpy_ds(s2, s1);
assert( dstreq_ds(s1, s2));
assert( dstreq_sz(s2, "hello"));
assert( dstrlen(s2) == strlen("hello"));
dstrcpy_cc(s2, 'C', 8);
assert( dstrlen(s2) == 8);
assert( dstreq_sz(s2, "CCCCCCCC"));
assert( strcmp(dstrdata(s2), "CCCCCCCC") == 0);
dstrcpy_sz(s2, NULL);
assert(dstrlen(s2) == 0);
DSTR s3 = dstrnew_sz("hello");
DSTR s4 = dstrnew();
dstrcpy_ds(s3, s4);
assert( dstreq_ds(s3, s4) );
assert( dstrlen(s3) == 0 );
DSTR s5 = dstrnew_sz("hello");
dstrcpy_sz(s5, "world");
assert( dstreq_sz(s5, "world") );
assert( dstrlen(s5) == strlen("world") );
DSTR s6 = dstrnew_reserve(100);
dstrcpy_substr(s6, s5, 0, DSTR_NPOS);
assert( dstreq_ds(s5, s6));
dstrcpy_substr(s6, s5, 0, 2);
assert( dstreq_sz(s6, "wo"));
dstrcpy_substr(s6, s5, 1, 3);
assert( dstreq_sz(s6, "orl"));
dstrcpy_substr(s6, s5, 3, 2);
assert( dstreq_sz(s6, "ld"));
dstrcpy_substr(s6, s5, 3, 100);
assert( dstreq_sz(s6, "ld"));
dstrfree(s1);
dstrfree(s2);
dstrfree(s3);
dstrfree(s4);
dstrfree(s5);
dstrfree(s6);
}
//-------------------------------------------------
void test_append()
{
TRACE_FN();
DSTR s1, s2, s3;
s1 = dstrnew_sz("hello");
s2 = dstrnew_sz("world");
s3 = dstrnew_ds(s1);
dstrcat_ds(s3, s2);
assert(dstreq_sz(s3, "helloworld"));
assert(dstrlen(s3) == dstrlen(s2) + dstrlen(s1));
DSTR s4 = dstrnew();
dstrcpy_ds(s4, s1);
dstrcat_sz(s4, "world");
assert( dstreq_sz(s4, "helloworld") );
dstrcat_sz(s4, NULL);
assert( dstreq_sz(s4, "helloworld") );
dstrcat_sz(s4, "");
assert( dstreq_sz(s4, "helloworld") );
DSTR s5 = dstrnew();
dstrcat_cc(s5, 'h', 1);
assert( dstreq_sz(s5, "h") );
dstrcat_c(s5, 'e');
dstrcat_cc(s5, 'l', 2);
dstrcat_cc(s5, 'o', 1);
assert( dstreq_sz(s5, "hello"));
dstrcat_c(s5, '\0');
assert( dstreq_sz(s5, "hello"));
dstrcat_bl(s5, "_ABC\0EFG", 10);
assert( dstreq_sz(s5, "hello_ABC"));
dstrcat_bl(s5, NULL, 10);
assert( dstreq_sz(s5, "hello_ABC"));
dstrcat_bl(s5, "Hi", 0);
assert( dstreq_sz(s5, "hello_ABC"));
dstrcat_bl(s5, "_DEF", 3);
assert( dstreq_sz(s5, "hello_ABC_DE"));
dstrcat_bl(s5, "FGH", 1);
assert( dstreq_sz(s5, "hello_ABC_DEF"));
dstrcat_ds(s5, s5);
assert( dstreq_sz(s5, "hello_ABC_DEFhello_ABC_DEF"));
int step = 1000;
int limit = 10 * step;
for (int i = 0; i < limit; ++i) {
if ((i % step) == 0)
printf("step: %d LEN=%lu, CAP=%lu\n", i, dstrlen(s5), dstrcap(s5));
dstrcat_c(s5, 'X');
}
dstrtrunc(s5);
for (int i = 0; i < limit; ++i) {
if ((i % step) == 0)
printf("step: %d LEN=%lu, CAP=%lu\n", i, dstrlen(s5), dstrcap(s5));
dstrcat_sz(s5, "hello");
}
putchar('\n');
dstrfree(s1);
dstrfree(s2);
dstrfree(s3);
dstrfree(s4);
dstrfree(s5);
}
//-------------------------------------------------
void test_format()
{
TRACE_FN();
DSTR res1;
char res2[4096];
// simple int
//
res1 = dstrnew_sprintf("%d", 100);
sprintf(res2, "%d", 100);
assert( dstreq_sz(res1, res2) );
// simple double
//
dstrtrunc(res1);
dsprintf(res1, "%g", 100.0);
sprintf(res2, "%g", 100.0);
assert( dstreq_sz(res1, res2) );
// hex
//
dsprintf(res1, "%08X", 100);
sprintf(res2, "%08X", 100);
assert( dstreq_sz(res1, res2) );
// long string
//
char buffer[2048];
memset(buffer, 'a', sizeof buffer);
buffer[sizeof(buffer) - 1] = '\0';
dsprintf(res1, "%s", buffer);
sprintf(res2, "%s", buffer);
assert( dstreq_sz(res1, res2) );
// Complicated format
//
dsprintf(res1, "%0X %g %10s %10d %-20s", 100, 4.55, "Hello World", 10, "A_String");
sprintf(res2, "%0X %g %10s %10d %-20s", 100, 4.55, "Hello World", 10, "A_String");
assert( dstreq_sz(res1, res2) );
dsprintf(res1, "%s", "Hello ");
dstrcat_sprintf(res1, "%s", "World");
sprintf(res2, "%s", "Hello World");
assert(dstreq_sz(res1, res2 ));
dstrfree(res1);
}
//-------------------------------------------------
#define TEST_TRIM_LEFT(before, after) do { \
DSTR s = dstrnew_sz(before); \
dstrtrim_l(s); \
assert( dstreq_sz(s, after) ); \
dstrfree(s); \
} while (0)
//-------------------------------------------------
#define TEST_TRIM_RIGHT(before, after) do { \
DSTR s = dstrnew_sz(before); \
dstrtrim_r(s); \
assert( dstreq_sz(s, after) ); \
dstrfree(s); \
} while (0)
//-------------------------------------------------
#define TEST_TRIM_BOTH(before, after) do { \
DSTR s = dstrnew_sz(before); \
dstrtrim(s); \
assert( dstreq_sz(s, after) ); \
dstrfree(s); \
} while (0)
//-------------------------------------------------
void test_trim()
{
TRACE_FN();
TEST_TRIM_LEFT("H", "H");
TEST_TRIM_LEFT("Hello", "Hello");
TEST_TRIM_LEFT(" H", "H");
TEST_TRIM_LEFT(" Hello", "Hello");
TEST_TRIM_LEFT(" ", "");
TEST_TRIM_LEFT("", "");
TEST_TRIM_RIGHT("Hello", "Hello");
TEST_TRIM_RIGHT("Hello ", "Hello");
TEST_TRIM_RIGHT("H", "H");
TEST_TRIM_RIGHT("H " , "H");
TEST_TRIM_RIGHT(" ", "");
TEST_TRIM_RIGHT("", "");
TEST_TRIM_BOTH(" H ", "H");
TEST_TRIM_BOTH(" Hello ", "Hello");
TEST_TRIM_BOTH("Hello", "Hello");
TEST_TRIM_BOTH(" Hello", "Hello");
TEST_TRIM_BOTH("Hello ", "Hello");
TEST_TRIM_BOTH(" ", "");
TEST_TRIM_BOTH("", "");
}
//-------------------------------------------------
void test_remove()
{
TRACE_FN();
const char* hello = "XhellXXoXXX";
DSTR s1 = dstrnew();
dstrcpy_sz(s1, hello);
assert( dstreq_sz(s1, hello));
// erase at loc 1000 -> NOOP
dstrerase(s1, 1000, 1);
assert( dstreq_sz(s1, hello));
dstrerase(s1, 0, 1);
assert( dstreq_sz(s1, "hellXXoXXX"));
dstrerase(s1, 4, 2);
assert( dstreq_sz(s1, "helloXXX"));
dstrerase(s1, 5, 3);
assert( dstreq_sz(s1, "hello"));
dstrerase(s1, 4, 100);
assert( dstreq_sz(s1, "hell") );
dstrerase(s1, 2, 0);
assert( dstreq_sz(s1, "hell") );
dstrerase(s1, 0, DSTR_NPOS);
assert( dstreq_sz(s1, ""));
dstrfree(s1);
}
//-------------------------------------------------
void test_insert()
{
TRACE_FN();
const char* hello = "hello";
DSTR s1 = dstrnew();
dstrcpy_sz(s1, hello);
assert( dstreq_sz(s1, hello));
dinsert_cc(s1, 1000, 'X', 1);
assert( dstreq_sz(s1, "helloX"));
dinsert_sz(s1, 4, "XX");
assert( dstreq_sz(s1, "hellXXoX"));
dinsert_sz(s1, 4, "");
assert( dstreq_sz(s1, "hellXXoX"));
dinsert_sz(s1, 4, NULL);
assert( dstreq_sz(s1, "hellXXoX"));
dinsert_bl(s1, 0, "XXX", DSTR_NPOS);
assert( dstreq_sz(s1, "XXXhellXXoX"));
dinsert_bl(s1, 0, NULL, DSTR_NPOS);
assert( dstreq_sz(s1, "XXXhellXXoX"));
dinsert_bl(s1, 0, "XXX", 0);
assert( dstreq_sz(s1, "XXXhellXXoX"));
dinsert_cc(s1, 0, 'A', 3);
assert( dstreq_sz(s1, "AAAXXXhellXXoX"));
dinsert_cc(s1, 1000, 'B', 2);
assert( dstreq_sz(s1, "AAAXXXhellXXoXBB"));
dstrcpy_sz(s1, "ABCDE");
dinsert_cc(s1, 3, 'Z', 5);
assert( dstreq_sz(s1, "ABCZZZZZDE"));
DSTR s2 = dstrnew_cc('X', 2);
dinsert_ds(s1, 2, s2);
assert( dstreq_sz(s1, "ABXXCZZZZZDE"));
dstrcpy_sz(s2, "0123456789");
dinsert_sz(s2, dstrlen(s2), "ABCDE");
assert( dstreq_sz(s2, "0123456789ABCDE"));
dstrfree(s1);
dstrfree(s2);
}
//-------------------------------------------------
void test_replace1()
{
TRACE_FN();
DSTR s1 = dstrnew_sz("hell@@@@@oXXX");
DSTR sn = dstrnew_sz("hello");
dreplace_ds(s1, 10, 5, sn);
assert( dstreq_sz(s1, "hell@@@@@ohello"));
dstrfree(s1);
dstrfree(sn);
}
//-------------------------------------------------
void test_replace()
{
TRACE_FN();
const char* hello = "XhellXXoXXX";
DSTR s1 = dstrnew();
dstrcpy_sz(s1, hello);
assert( dstreq_sz(s1, hello));
dreplace_sz(s1, 0, 1, "");
assert( dstreq_sz(s1, "hellXXoXXX"));
dreplace_sz(s1, 4, 2, "@@@@@");
assert( dstreq_sz(s1, "hell@@@@@oXXX"));
DSTR sn = dstrnew_sz("hello");
dreplace_ds(s1, 10, 5, sn);
assert( dstreq_sz(s1, "hell@@@@@ohello"));
dreplace_sz(s1, 4, 5, NULL);
assert( dstreq_sz(s1, "hellohello"));
dreplace_cc(s1, 5, 5, '\0', 1);
assert( dstreq_sz(s1, "hello") );
dreplace_sz(s1, 0, DSTR_NPOS, "world");
assert( dstreq_sz(s1, "world"));
DSTR s2 = dstrnew_ds(s1);
dreplace_bl(s1, 0, DSTR_NPOS, NULL, 100);
assert( dstreq_sz(s1, ""));
dreplace_cc(s2, 2, 8,'\0', 100);
assert( dstreq_sz(s2, "wo"));
dreplace_cc(s2, 0, 2,'\0', 100);
assert( dstreq_sz(s2, ""));
dstrfree(sn);
dstrfree(s1);
dstrfree(s2);
}
//-------------------------------------------------
void test_substr()
{
TRACE_FN();
char buff[2048];
const char* longstr = "Good morning today is Friday";
DSTR s1 = dstrnew_sz(longstr);
// verifiy that no byte was written
size_t n = dsubstr_bl(s1, 100, DSTR_NPOS, buff, 5);
assert(n == 0);
n = dsubstr_bl(s1, 0, DSTR_NPOS, buff, 0);
assert(n == 0);
n = dsubstr_bl(s1, 0, DSTR_NPOS, buff, 1);
assert(n == 1);
assert(strcmp(buff, "") == 0);
n = dsubstr_bl(s1, 0, 0, buff, 100);
assert(n == 0);
n = dsubstr_bl(s1, 0, DSTR_NPOS, buff, sizeof(buff));
assert(n == strlen(longstr) + 1);
assert(strcmp(buff, longstr) == 0);
n = dsubstr_bl(s1, 0, DSTR_NPOS, buff, 5);
assert(n == 5);
assert(strcmp(buff, "Good") == 0);
n = dsubstr_bl(s1, 15, DSTR_NPOS, buff, 10);
assert(n == 10);
assert(strcmp(buff, "day is Fr") == 0);
DSTR s2 = dstrnew_substr(s1, 5, 7);
assert( dstreq_sz(s2, "morning") );
dstrfree(s2);
s2 = dstrnew_substr(s1, 0, 4);
assert( dstreq_sz(s2, "Good") );
dstrfree(s2);
s2 = dstrnew_substr(s1, 15, 10);
assert( dstreq_sz(s2, "day is Fri") );
dstrfree(s2);
dstrfree(s1);
}
//-------------------------------------------------
void test_truncate()
{
TRACE_FN();
const char* longstr = "Good morning today is Friday";
DSTR s1 = dstrnew_sz(longstr);
dstrresize(s1, 100);
assert( dstreq_sz(s1, longstr) );
dstrresize(s1, 10);
assert( strncmp(dstrdata(s1), longstr, 10) == 0);
dstrtrunc(s1);
assert( dstrlen(s1) == 0);
assert( dstreq_sz(s1,""));
dstrfree(s1);
}
//-------------------------------------------------
void test_find()
{
TRACE_FN();
const char* longstr = "Good morning today is Friday";
DSTR s1 = dstrnew_sz(longstr);
assert( dstrstr(s1, 0, "good") == DSTR_NPOS);
assert( dstrstr(s1, 0, "Good") == 0);
assert( dstrstr(s1, 0, "morning") == 5);
assert( dstrstr(s1, 6, "morning") == DSTR_NPOS);
assert( dstrstr(s1, 100, "morning") == DSTR_NPOS);
assert( dstrstr(s1, 0, "day") == 15);
assert( dstrstr(s1, 3, "date") == DSTR_NPOS);
assert( dstrhas(s1, "is"));
assert( dstrhas(s1, "morn"));
assert( !dstrhas(s1, "XXX"));
assert( dstrstr_i(s1, 0, "good") == 0);
assert( dstrstr_i(s1, 1, "good") == DSTR_NPOS);
assert( dstrstr_i(s1, 0, "GOOD") == 0);
assert( dstrstr_i(s1, 0, "MoRnInG") == 5);
assert( dstrstr_i(s1, 6, "MoRnInG") == DSTR_NPOS);
assert( dstrstr_i(s1, 1000, "MoRnInG") == DSTR_NPOS);
assert( dstrstr_i(s1, 8, "DAY") == 15);
assert( dstrstr_i(s1, 0, "Date") == DSTR_NPOS);
assert( dstrhas_i(s1, "IS"));
assert( dstrhas_i(s1, "MoRn"));
assert( !dstrhas_i(s1, "xXx"));
assert( dstrchr(s1, 0, 'g') == 11);
assert( dstrchr(s1, 1, 'g') == 11);
assert( dstrchr(s1, 2, 'g') == 11);
assert( dstrchr(s1, 11, 'g') == 11);
assert( dstrchr(s1, 12, 'g') == DSTR_NPOS);
assert( dstrchr(s1, 100, 'g') == DSTR_NPOS);
assert( dstrchr(s1, 0, 'G') == 0);
assert( dstrchr(s1, 0, 'm') == 5);
assert( dstrchr(s1, 1, 'd') == 3);
assert( dstrchr(s1, 0, 'X') == DSTR_NPOS);
assert( dstrchr_i(s1, 0, 'G') == 0);
assert( dstrchr_i(s1, 0, 'g') == 0);
assert( dstrchr_i(s1, 0, 'm') == 5);
assert( dstrchr_i(s1, 3, 'M') == 5);
assert( dstrchr_i(s1, 15, 'f') == 22);
assert( dstrchr_i(s1, 100, 'f') == DSTR_NPOS);
assert( dstrchr_i(s1, 0, 'X') == DSTR_NPOS);
dstrfree(s1);
}
//-------------------------------------------------
void test_put_get()
{
TRACE_FN();
const char * str_lower = "abcdefghijklmnopqrstuvwxyz";
const char* str_upper = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
DSTR s1 = dstrnew_sz(str_lower);
for (size_t n = 0; n < dstrlen(s1); ++n) {
assert(dindex_ok(s1,n));
char c = dstrgetc(s1, n);
c = toupper(c);
assert(c == str_upper[n]);
dstrputc(s1, n, c);
}
assert(!dindex_ok(s1, dstrlen(s1)));
assert(!dindex_ok(s1, DSTR_NPOS));
assert(dstreq_sz(s1, str_upper));
dstrfree(s1);
}
//-------------------------------------------------
void test_put_get_safe()
{
TRACE_FN();
const char * str_lower = "abcdefghijklmnopqrstuvwxyz";
const char* str_upper = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
DSTR s1 = dstrnew_sz(str_lower);
// first we must support the non-safe semantics
//
for (size_t n = 0; n < dstrlen(s1); ++n) {
assert(dindex_ok(s1,n));
char c = dstrgetc_s(s1, n);
dstrputc_s(s1, n, toupper(c));
}
assert(!dindex_ok(s1, dstrlen(s1)));
assert(!dindex_ok(s1, DSTR_NPOS));
assert(dstreq_sz(s1, str_upper));
// back to lowercase
dstrlower(s1);
assert(dstreq_sz(s1, str_lower));
// Now test the 'safe' part
//
size_t index = dstrlen(s1) + 5;
assert(dstrgetc_s(s1, index) == '\0');
assert(dstrgetc_s(s1, - (long)index) == '\0');
DSTR s2 = dstrnew_ds(s1);
dstrputc_s(s2, index, 'A');
assert(dstreq_ds(s1, s2));
dstrputc_s(s2, - (long)index, 'A');
assert(dstreq_ds(s1, s2));
for (size_t n = 1; n <= dstrlen(s2); ++n) {
long i = - (long)n;
char c = dstrgetc_s(s2, i);
assert(c == dstrgetc(s2, dstrlen(s2) - n));
dstrputc_s(s2, i, toupper(c));
}
assert(dstreq_sz(s2, str_upper));
dstrfree(s1);
dstrfree(s2);
}
//-------------------------------------------------
void test_getline()
{
TRACE_FN();
FILE* fp = fopen(__FILE__, "r");
if (!fp) {
fprintf(stderr, "couldn't open file %s: %s\n", __FILE__, strerror(errno));
return;
}
DSTR s1 = dstrnew_reserve(100);
int line_count = 0;
while (dgetline(s1, fp) != EOF) {
++line_count;
printf("%s\n", dstrdata(s1));
}
fclose(fp);
dstrfree(s1);
printf("Line Count of %s is %d\n", __FILE__, line_count);
}
//-------------------------------------------------
void test_fgets()
{
TRACE_FN();
FILE* fp = fopen(__FILE__, "r");
if (!fp) {
fprintf(stderr, "couldn't open %s: %s\n", __FILE__, strerror(errno));
return;
}
DSTR s1 = dstrnew_reserve(500);
while (dgets(s1, fp) != EOF)
printf("\t%s\n", dstrdata(s1));
dstrfree(s1);
fclose(fp);
}
//-------------------------------------------------
#define TEST_ASCII_UPPER(before, after) do { \
DSTR s = dstrnew_sz(before); \
dstrupper(s); \
assert( dstreq_sz(s, after) ); \
dstrfree(s); \
} while (0)
//-------------------------------------------------
#define TEST_ASCII_LOWER(before, after) do { \
DSTR s = dstrnew_sz(before); \
dstrlower(s); \
assert( dstreq_sz(s, after) ); \
dstrfree(s); \
} while (0)
//-------------------------------------------------
void test_ascii_upper_lower()
{
TRACE_FN();
TEST_ASCII_UPPER("a", "A");
TEST_ASCII_UPPER("a_b_c234DeF", "A_B_C234DEF");
TEST_ASCII_LOWER( "A", "a");
TEST_ASCII_LOWER("A_B_c234DeF", "a_b_c234def");
TEST_ASCII_LOWER( "", "");
TEST_ASCII_UPPER( "", "");
}
//-------------------------------------------------
#define TEST_REVERSE(before, after) do { \
DSTR s = dstrnew_sz(before); \
dstrrev(s); \
assert( dstreq_sz(s, after) ); \
dstrfree(s); \
} while (0)
//-------------------------------------------------
void test_reverse()
{
TRACE_FN();
TEST_REVERSE("A", "A");
TEST_REVERSE("AB", "BA");
TEST_REVERSE("ABC", "CBA");
TEST_REVERSE("ABCD", "DCBA");
TEST_REVERSE("Good Morning", "gninroM dooG");
}
//-------------------------------------------------
void test_swap()
{
TRACE_FN();
DSTR s1 = dstrnew_sz(NULL);
DSTR s2 = dstrnew_sz("hello");
dstrswap(s1, s2);
assert( dstrempty(s2) );
assert( dstreq_sz(s1, "hello") );
dstrfree(s1);
dstrfree(s2);
}
//-------------------------------------------------
void test_ffo()
{
TRACE_FN();
const char* longstr = "Good morning today is Friday";
DSTR s1 = dstrnew_sz(longstr);
size_t res = dstrffo_sz(s1, 0, " \t");
assert(res == 4);
res = dstrffo_sz(s1, 5, " \t");
assert(res == 12);
res = dstrffo_sz(s1, 1000, " \t");
assert(res == DSTR_NPOS);
DSTR rhs = dstrnew_sz("Frdy");
res = dstrffo_ds(s1, 0, rhs);
assert(res == 3);
DSTR comment = dstrnew_sz("# comment");
res = dstrffo_sz(comment, 0, "#;");
assert(res == 0);
res = dstrffo_sz(comment, 0, "XYZ");
assert(res == DSTR_NPOS);
dstrcpy_sz(comment, "");
assert( dstrempty(comment) );
assert( dstrffo_sz(comment, 0, "X") == DSTR_NPOS );
dstrfree(s1);
dstrfree(rhs);
dstrfree(comment);
}
//-------------------------------------------------
void test_ffno()
{
TRACE_FN();
const char* longstr = "Good morning today is Friday";
DSTR s1 = dstrnew_sz(longstr);
size_t res = dstrffno_sz(s1, 0, " \t");
assert(res == 0);
res = dstrffno_sz(s1, 0, "Godm ");
assert(res == 7);
res = dstrffno_sz(s1, 5, "Godm ");
assert(res == 7);
res = dstrffno_sz(s1, 8, "Godm ");
assert(res == 8);
DSTR rhs = dstrnew_sz("Godmr ");
res = dstrffno_ds(s1, 0, rhs);
assert(res == 8);
dstrcpy_sz(s1, "ABCACABCABCABC");
res = dstrffno_sz(s1, 0, "ABC");
assert(res == DSTR_NPOS);
res = dstrffno_sz(s1, 0, "AB");
assert(res == 2);
// split a string
DSTR s2 = dstrnew_sz(longstr);
size_t first = 0;
size_t last = 0;
while ((first = dstrffno_sz(s2, last, " \t")) != DSTR_NPOS) {