diff options
Diffstat (limited to 'tests/object/raw/convert.c')
| -rw-r--r-- | tests/object/raw/convert.c | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/tests/object/raw/convert.c b/tests/object/raw/convert.c new file mode 100644 index 000000000..88b1380a4 --- /dev/null +++ b/tests/object/raw/convert.c @@ -0,0 +1,112 @@ + +#include "clar_libgit2.h" + +#include "odb.h" + +void test_object_raw_convert__succeed_on_oid_to_string_conversion(void) +{ + const char *exp = "16a0123456789abcdef4b775213c23a8bd74f5e0"; + git_oid in; + char out[GIT_OID_HEXSZ + 1]; + char *str; + int i; + + cl_git_pass(git_oid_fromstr(&in, exp)); + + /* NULL buffer pointer, returns static empty string */ + str = git_oid_tostr(NULL, sizeof(out), &in); + cl_assert(str && *str == '\0' && str != out); + + /* zero buffer size, returns static empty string */ + str = git_oid_tostr(out, 0, &in); + cl_assert(str && *str == '\0' && str != out); + + /* NULL oid pointer, sets existing buffer to empty string */ + str = git_oid_tostr(out, sizeof(out), NULL); + cl_assert(str && *str == '\0' && str == out); + + /* n == 1, returns out as an empty string */ + str = git_oid_tostr(out, 1, &in); + cl_assert(str && *str == '\0' && str == out); + + for (i = 1; i < GIT_OID_HEXSZ; i++) { + out[i+1] = 'Z'; + str = git_oid_tostr(out, i+1, &in); + /* returns out containing c-string */ + cl_assert(str && str == out); + /* must be '\0' terminated */ + cl_assert(*(str+i) == '\0'); + /* must not touch bytes past end of string */ + cl_assert(*(str+(i+1)) == 'Z'); + /* i == n-1 charaters of string */ + cl_git_pass(strncmp(exp, out, i)); + } + + /* returns out as hex formatted c-string */ + str = git_oid_tostr(out, sizeof(out), &in); + cl_assert(str && str == out && *(str+GIT_OID_HEXSZ) == '\0'); + cl_assert_equal_s(exp, out); +} + +void test_object_raw_convert__succeed_on_oid_to_string_conversion_big(void) +{ + const char *exp = "16a0123456789abcdef4b775213c23a8bd74f5e0"; + git_oid in; + char big[GIT_OID_HEXSZ + 1 + 3]; /* note + 4 => big buffer */ + char *str; + + cl_git_pass(git_oid_fromstr(&in, exp)); + + /* place some tail material */ + big[GIT_OID_HEXSZ+0] = 'W'; /* should be '\0' afterwards */ + big[GIT_OID_HEXSZ+1] = 'X'; /* should remain untouched */ + big[GIT_OID_HEXSZ+2] = 'Y'; /* ditto */ + big[GIT_OID_HEXSZ+3] = 'Z'; /* ditto */ + + /* returns big as hex formatted c-string */ + str = git_oid_tostr(big, sizeof(big), &in); + cl_assert(str && str == big && *(str+GIT_OID_HEXSZ) == '\0'); + cl_assert_equal_s(exp, big); + + /* check tail material is untouched */ + cl_assert(str && str == big && *(str+GIT_OID_HEXSZ+1) == 'X'); + cl_assert(str && str == big && *(str+GIT_OID_HEXSZ+2) == 'Y'); + cl_assert(str && str == big && *(str+GIT_OID_HEXSZ+3) == 'Z'); +} + +static void check_partial_oid( + char *buffer, size_t count, const git_oid *oid, const char *expected) +{ + git_oid_nfmt(buffer, count, oid); + buffer[count] = '\0'; + cl_assert_equal_s(expected, buffer); +} + +void test_object_raw_convert__convert_oid_partially(void) +{ + const char *exp = "16a0123456789abcdef4b775213c23a8bd74f5e0"; + git_oid in; + char big[GIT_OID_HEXSZ + 1 + 3]; /* note + 4 => big buffer */ + + cl_git_pass(git_oid_fromstr(&in, exp)); + + git_oid_nfmt(big, sizeof(big), &in); + cl_assert_equal_s(exp, big); + + git_oid_nfmt(big, GIT_OID_HEXSZ + 1, &in); + cl_assert_equal_s(exp, big); + + check_partial_oid(big, 1, &in, "1"); + check_partial_oid(big, 2, &in, "16"); + check_partial_oid(big, 3, &in, "16a"); + check_partial_oid(big, 4, &in, "16a0"); + check_partial_oid(big, 5, &in, "16a01"); + + check_partial_oid(big, GIT_OID_HEXSZ, &in, exp); + check_partial_oid( + big, GIT_OID_HEXSZ - 1, &in, "16a0123456789abcdef4b775213c23a8bd74f5e"); + check_partial_oid( + big, GIT_OID_HEXSZ - 2, &in, "16a0123456789abcdef4b775213c23a8bd74f5"); + check_partial_oid( + big, GIT_OID_HEXSZ - 3, &in, "16a0123456789abcdef4b775213c23a8bd74f"); +} |