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patch 7.4.2068

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Problem:    Not all arguments of trunc_string() are tested.  Memory access
            error when running the message tests.
Solution:   Add another test case. (Yegappan Lakshmanan)  Make it easy to run
            unittests with valgrind.  Fix the access error.
This commit is contained in:
Bram Moolenaar
2016-07-19 12:33:44 +02:00
parent 16ec3c9be3
commit b9644433d2
4 changed files with 50 additions and 14 deletions
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42
src/message_test.c
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@@ -28,37 +28,69 @@
static void
test_trunc_string(void)
{
char_u buf[40];
char_u *buf; /*allocated every time to find uninit errors */
char_u *s;
/* in place */
buf = alloc(40);
STRCPY(buf, "text");
trunc_string(buf, buf, 20, 40);
assert(STRCMP(buf, "text") == 0);
vim_free(buf);
buf = alloc(40);
STRCPY(buf, "a short text");
trunc_string(buf, buf, 20, 40);
assert(STRCMP(buf, "a short text") == 0);
vim_free(buf);
buf = alloc(40);
STRCPY(buf, "a text tha just fits");
trunc_string(buf, buf, 20, 40);
assert(STRCMP(buf, "a text tha just fits") == 0);
vim_free(buf);
buf = alloc(40);
STRCPY(buf, "a text that nott fits");
trunc_string(buf, buf, 20, 40);
assert(STRCMP(buf, "a text t...nott fits") == 0);
vim_free(buf);
/* copy from string to buf */
trunc_string((char_u *)"text", buf, 20, 40);
buf = alloc(40);
s = vim_strsave((char_u *)"text");
trunc_string(s, buf, 20, 40);
assert(STRCMP(buf, "text") == 0);
vim_free(buf);
vim_free(s);
trunc_string((char_u *)"a short text", buf, 20, 40);
buf = alloc(40);
s = vim_strsave((char_u *)"a text that fits");
trunc_string(s, buf, 34, 40);
assert(STRCMP(buf, "a text that fits") == 0);
vim_free(buf);
vim_free(s);
buf = alloc(40);
s = vim_strsave((char_u *)"a short text");
trunc_string(s, buf, 20, 40);
assert(STRCMP(buf, "a short text") == 0);
vim_free(buf);
vim_free(s);
trunc_string((char_u *)"a text tha just fits", buf, 20, 40);
buf = alloc(40);
s = vim_strsave((char_u *)"a text tha just fits");
trunc_string(s, buf, 20, 40);
assert(STRCMP(buf, "a text tha just fits") == 0);
vim_free(buf);
vim_free(s);
trunc_string((char_u *)"a text that nott fits", buf, 20, 40);
buf = alloc(40);
s = vim_strsave((char_u *)"a text that nott fits");
trunc_string(s, buf, 20, 40);
assert(STRCMP(buf, "a text t...nott fits") == 0);
vim_free(buf);
vim_free(s);
}
int