t: add basic tests for our SHA-1 implementation

diff --git a/diff-lib.c b/diff-lib.c
index 8866b1d60c0e390160f5cbc5bee1189736775e52..30bf9a2399fa392b31338489278e0363a55eb726 100644 (file)
--- a/diff-lib.c
+++ b/diff-lib.c
@@ -518,11 +518,11 @@ static int diff_cache(struct rev_info *revs,
 int run_diff_index(struct rev_info *revs, int cached)
 {
        struct object_array_entry *ent;
-       uint64_t start = getnanotime();
 
        if (revs->pending.nr != 1)
                BUG("run_diff_index must be passed exactly one tree");
 
+       trace_performance_enter();
        ent = revs->pending.objects;
        if (diff_cache(revs, &ent->item->oid, ent->name, cached))
                exit(128);
@@ -531,7 +531,7 @@ int run_diff_index(struct rev_info *revs, int cached)
        diffcore_fix_diff_index(&revs->diffopt);
        diffcore_std(&revs->diffopt);
        diff_flush(&revs->diffopt);
-       trace_performance_since(start, "diff-index");
+       trace_performance_leave("diff-index");
        return 0;
 }