t6501: avoid hard-coded objects

This test contains hard-coded invalid object IDs.  Make it hash size
independent by generating invalid object IDs using the translation
tables.  Add a setup target to ensure the output of test_oid_init is
checked properly.

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Reviewed-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/t/t6501-freshen-objects.sh b/t/t6501-freshen-objects.sh
index f30b4849b64ea8bd79a82117333b0f7f225def63..8a3bb4105bf9412b730158ebb55ed268e749a812 100755 (executable)
--- a/t/t6501-freshen-objects.sh
+++ b/t/t6501-freshen-objects.sh
@@ -128,9 +128,9 @@ for repack in '' true; do
 done
 
 test_expect_success 'do not complain about existing broken links (commit)' '
-       cat >broken-commit <<-\EOF &&
-       tree 0000000000000000000000000000000000000001
-       parent 0000000000000000000000000000000000000002
+       cat >broken-commit <<-EOF &&
+       tree $(test_oid 001)
+       parent $(test_oid 002)
        author whatever <whatever@example.com> 1234 -0000
        committer whatever <whatever@example.com> 1234 -0000
 
@@ -143,8 +143,8 @@ test_expect_success 'do not complain about existing broken links (commit)' '
 '
 
 test_expect_success 'do not complain about existing broken links (tree)' '
-       cat >broken-tree <<-\EOF &&
-       100644 blob 0000000000000000000000000000000000000003    foo
+       cat >broken-tree <<-EOF &&
+       100644 blob $(test_oid 003)     foo
        EOF
        tree=$(git mktree --missing <broken-tree) &&
        git gc -q 2>stderr &&
@@ -153,8 +153,8 @@ test_expect_success 'do not complain about existing broken links (tree)' '
 '
 
 test_expect_success 'do not complain about existing broken links (tag)' '
-       cat >broken-tag <<-\EOF &&
-       object 0000000000000000000000000000000000000004
+       cat >broken-tag <<-EOF &&
+       object $(test_oid 004)
        type commit
        tag broken
        tagger whatever <whatever@example.com> 1234 -0000