hashmap: add API to disable item counting when threaded

diff --git a/t/t8002-blame.sh b/t/t8002-blame.sh
index ab79de95441f4f474525b48b14313f1d04172fce..380e1c1054de5d55a80cb558fea0791884ad7f38 100755 (executable)
--- a/t/t8002-blame.sh
+++ b/t/t8002-blame.sh
@@ -86,4 +86,36 @@ test_expect_success 'blame with showEmail config true' '
        test_cmp expected_n result
 '
 
+test_expect_success 'set up abbrev tests' '
+       test_commit abbrev &&
+       sha1=$(git rev-parse --verify HEAD) &&
+       check_abbrev () {
+               expect=$1; shift
+               echo $sha1 | cut -c 1-$expect >expect &&
+               git blame "$@" abbrev.t >actual &&
+               perl -lne "/[0-9a-f]+/ and print \$&" <actual >actual.sha &&
+               test_cmp expect actual.sha
+       }
+'
+
+test_expect_success 'blame --abbrev=<n> works' '
+       # non-boundary commits get +1 for alignment
+       check_abbrev 31 --abbrev=30 HEAD &&
+       check_abbrev 30 --abbrev=30 ^HEAD
+'
+
+test_expect_success 'blame -l aligns regular and boundary commits' '
+       check_abbrev 40 -l HEAD &&
+       check_abbrev 39 -l ^HEAD
+'
+
+test_expect_success 'blame --abbrev=40 behaves like -l' '
+       check_abbrev 40 --abbrev=40 HEAD &&
+       check_abbrev 39 --abbrev=40 ^HEAD
+'
+
+test_expect_success '--no-abbrev works like --abbrev=40' '
+       check_abbrev 40 --no-abbrev
+'
+
 test_done