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add unit tests for git_buf_join corner cases

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This commit is contained in:
Patrick Reynolds 2014-01-20 11:42:12 -06:00
parent 7cbc6241cf
commit abdaf93662
1 changed files with 31 additions and 0 deletions
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31
tests/core/buffer.c
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@ -405,6 +405,23 @@ check_joinbuf_2(
git_buf_free(&buf); git_buf_free(&buf);
} }
static void
check_joinbuf_overlapped(
const char *oldval,
int ofs_a,
const char *b,
const char *expected)
{
char sep = '/';
git_buf buf = GIT_BUF_INIT;
git_buf_sets(&buf, oldval);
git_buf_join(&buf, sep, buf.ptr + ofs_a, b);
cl_assert(git_buf_oom(&buf) == 0);
cl_assert_equal_s(expected, git_buf_cstr(&buf));
git_buf_free(&buf);
}
static void static void
check_joinbuf_n_2( check_joinbuf_n_2(
const char *a, const char *a,
@ -480,6 +497,20 @@ void test_core_buffer__8(void)
check_joinbuf_2("/abcd/", "defg/", "/abcd/defg/"); check_joinbuf_2("/abcd/", "defg/", "/abcd/defg/");
check_joinbuf_2("/abcd/", "/defg/", "/abcd/defg/"); check_joinbuf_2("/abcd/", "/defg/", "/abcd/defg/");
check_joinbuf_overlapped("abcd", 0, "efg", "abcd/efg");
check_joinbuf_overlapped("abcd", 1, "efg", "bcd/efg");
check_joinbuf_overlapped("abcd", 2, "efg", "cd/efg");
check_joinbuf_overlapped("abcd", 3, "efg", "d/efg");
check_joinbuf_overlapped("abcd", 4, "efg", "efg");
check_joinbuf_overlapped("abc/", 2, "efg", "c/efg");
check_joinbuf_overlapped("abc/", 3, "efg", "/efg");
check_joinbuf_overlapped("abc/", 4, "efg", "efg");
check_joinbuf_overlapped("abcd", 3, "", "d/");
check_joinbuf_overlapped("abcd", 4, "", "");
check_joinbuf_overlapped("abc/", 2, "", "c/");
check_joinbuf_overlapped("abc/", 3, "", "/");
check_joinbuf_overlapped("abc/", 4, "", "");
check_joinbuf_n_2("", "", ""); check_joinbuf_n_2("", "", "");
check_joinbuf_n_2("", "a", "a"); check_joinbuf_n_2("", "a", "a");
check_joinbuf_n_2("", "/a", "/a"); check_joinbuf_n_2("", "/a", "/a");