t4209: factor out helper function test_log()

diff --git a/t/perf/p0001-rev-list.sh b/t/perf/p0001-rev-list.sh
index 4f71a63b0a80d7a625d246cf7b98b66c473adc90..16359d51ae5a58ac629391b27d6b42acfc2ddb5e 100755 (executable)
--- a/t/perf/p0001-rev-list.sh
+++ b/t/perf/p0001-rev-list.sh
@@ -14,4 +14,16 @@ test_perf 'rev-list --all --objects' '
        git rev-list --all --objects >/dev/null
 '
 
+test_expect_success 'create new unreferenced commit' '
+       commit=$(git commit-tree HEAD^{tree} -p HEAD)
+'
+
+test_perf 'rev-list $commit --not --all' '
+       git rev-list $commit --not --all >/dev/null
+'
+
+test_perf 'rev-list --objects $commit --not --all' '
+       git rev-list --objects $commit --not --all >/dev/null
+'
+
 test_done