From 06c070b5bb213e76bff15b881ee77c0f179cdbd1 Mon Sep 17 00:00:00 2001 From: Axel Wagner Date: Thu, 23 May 2013 09:43:56 +0200 Subject: Add testcase for #1600 --- tests-clar/object/raw/short.c | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) (limited to 'tests-clar') diff --git a/tests-clar/object/raw/short.c b/tests-clar/object/raw/short.c index 93c79b6a5..b4019936a 100644 --- a/tests-clar/object/raw/short.c +++ b/tests-clar/object/raw/short.c @@ -92,3 +92,42 @@ void test_object_raw_short__oid_shortener_stresstest_git_oid_shorten(void) #undef MAX_OIDS } + +void test_object_raw_short__oid_shortener_too_much_oids(void) { + /* The magic number of oids at which an oid_shortener will fail. + * This was experimentally established. */ +#define MAX_OIDS 24556 + + git_oid_shorten *os; + char number_buffer[16]; + git_oid oid; + size_t i; + + int min_len = 0; + + os = git_oid_shorten_new(0); + cl_assert(os != NULL); + + for (i = 0; i < MAX_OIDS; ++i) { + char *oid_text; + + p_snprintf(number_buffer, 16, "%u", (unsigned int)i); + git_hash_buf(&oid, number_buffer, strlen(number_buffer)); + + oid_text = git__malloc(GIT_OID_HEXSZ + 1); + git_oid_fmt(oid_text, &oid); + oid_text[GIT_OID_HEXSZ] = 0; + + min_len = git_oid_shorten_add(os, oid_text); + /* All but the last oid should give a non-negative min_len. At the + * last oid, git_oid_shorten_add should fail, returning a negative + * value */ + if (i < MAX_OIDS - 1) + cl_assert(min_len >= 0); + else + cl_assert(min_len < 0); + } + + git_oid_shorten_free(os); + +} -- cgit v1.2.3