mirror of
https://git.proxmox.com/git/libgit2
synced 2025-10-31 05:54:20 +00:00
76 lines
2.3 KiB
C
76 lines
2.3 KiB
C
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#include "clar_libgit2.h"
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#include "odb.h"
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void test_object_raw_convert__succeed_on_oid_to_string_conversion(void)
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{
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const char *exp = "16a0123456789abcdef4b775213c23a8bd74f5e0";
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git_oid in;
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char out[GIT_OID_HEXSZ + 1];
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char *str;
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int i;
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cl_git_pass(git_oid_fromstr(&in, exp));
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/* NULL buffer pointer, returns static empty string */
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str = git_oid_tostr(NULL, sizeof(out), &in);
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cl_assert(str && *str == '\0' && str != out);
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/* zero buffer size, returns static empty string */
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str = git_oid_tostr(out, 0, &in);
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cl_assert(str && *str == '\0' && str != out);
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/* NULL oid pointer, returns static empty string */
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str = git_oid_tostr(out, sizeof(out), NULL);
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cl_assert(str && *str == '\0' && str != out);
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/* n == 1, returns out as an empty string */
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str = git_oid_tostr(out, 1, &in);
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cl_assert(str && *str == '\0' && str == out);
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for (i = 1; i < GIT_OID_HEXSZ; i++) {
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out[i+1] = 'Z';
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str = git_oid_tostr(out, i+1, &in);
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/* returns out containing c-string */
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cl_assert(str && str == out);
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/* must be '\0' terminated */
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cl_assert(*(str+i) == '\0');
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/* must not touch bytes past end of string */
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cl_assert(*(str+(i+1)) == 'Z');
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/* i == n-1 charaters of string */
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cl_git_pass(strncmp(exp, out, i));
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}
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/* returns out as hex formatted c-string */
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str = git_oid_tostr(out, sizeof(out), &in);
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cl_assert(str && str == out && *(str+GIT_OID_HEXSZ) == '\0');
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cl_assert_equal_s(exp, out);
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}
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void test_object_raw_convert__succeed_on_oid_to_string_conversion_big(void)
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{
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const char *exp = "16a0123456789abcdef4b775213c23a8bd74f5e0";
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git_oid in;
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char big[GIT_OID_HEXSZ + 1 + 3]; /* note + 4 => big buffer */
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char *str;
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cl_git_pass(git_oid_fromstr(&in, exp));
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/* place some tail material */
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big[GIT_OID_HEXSZ+0] = 'W'; /* should be '\0' afterwards */
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big[GIT_OID_HEXSZ+1] = 'X'; /* should remain untouched */
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big[GIT_OID_HEXSZ+2] = 'Y'; /* ditto */
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big[GIT_OID_HEXSZ+3] = 'Z'; /* ditto */
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/* returns big as hex formatted c-string */
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str = git_oid_tostr(big, sizeof(big), &in);
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cl_assert(str && str == big && *(str+GIT_OID_HEXSZ) == '\0');
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cl_assert_equal_s(exp, big);
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/* check tail material is untouched */
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cl_assert(str && str == big && *(str+GIT_OID_HEXSZ+1) == 'X');
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cl_assert(str && str == big && *(str+GIT_OID_HEXSZ+2) == 'Y');
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cl_assert(str && str == big && *(str+GIT_OID_HEXSZ+3) == 'Z');
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}
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