t1006: add tests for git cat-file --allow-unknown-type

diff --git a/t/test-lib.sh b/t/test-lib.sh
index f4ba3ff972680065469f063c83ae90207bbab0b4..4ea99a209d74d7d052a880a2a69d99a65a9dd0a6 100644 (file)
--- a/t/test-lib.sh
+++ b/t/test-lib.sh
@@ -152,10 +152,7 @@ unset UNZIP
 
 case $(echo $GIT_TRACE |tr "[A-Z]" "[a-z]") in
 1|2|true)
-       echo "* warning: Some tests will not work if GIT_TRACE" \
-               "is set as to trace on STDERR ! *"
-       echo "* warning: Please set GIT_TRACE to something" \
-               "other than 1, 2 or true ! *"
+       GIT_TRACE=4
        ;;
 esac
 
@@ -232,6 +229,12 @@ do
        --root=*)
                root=$(expr "z$1" : 'z[^=]*=\(.*\)')
                shift ;;
+       --chain-lint)
+               GIT_TEST_CHAIN_LINT=1
+               shift ;;
+       --no-chain-lint)
+               GIT_TEST_CHAIN_LINT=0
+               shift ;;
        -x)
                trace=t
                verbose=t
@@ -525,6 +528,16 @@ test_eval_ () {
 test_run_ () {
        test_cleanup=:
        expecting_failure=$2
+
+       if test "${GIT_TEST_CHAIN_LINT:-0}" != 0; then
+               # 117 is magic because it is unlikely to match the exit
+               # code of other programs
+               test_eval_ "(exit 117) && $1"
+               if test "$?" != 117; then
+                       error "bug in the test script: broken &&-chain: $1"
+               fi
+       fi
+
        setup_malloc_check
        test_eval_ "$1"
        eval_ret=$?
@@ -1065,3 +1078,9 @@ test_lazy_prereq UNZIP '
        "$GIT_UNZIP" -v
        test $? -ne 127
 '
+
+run_with_limited_cmdline () {
+       (ulimit -s 128 && "$@")
+}
+
+test_lazy_prereq CMDLINE_LIMIT 'run_with_limited_cmdline true'