summaryrefslogtreecommitdiff
path: root/t/t4254-am-corrupt.sh
diff options
context:
space:
mode:
Diffstat (limited to 't/t4254-am-corrupt.sh')
-rwxr-xr-xt/t4254-am-corrupt.sh43
1 files changed, 43 insertions, 0 deletions
diff --git a/t/t4254-am-corrupt.sh b/t/t4254-am-corrupt.sh
new file mode 100755
index 0000000000..b7da95fac5
--- /dev/null
+++ b/t/t4254-am-corrupt.sh
@@ -0,0 +1,43 @@
+#!/bin/sh
+
+test_description='git am with corrupt input'
+. ./test-lib.sh
+
+# Note the missing "+++" line:
+cat > bad-patch.diff <<'EOF'
+From: A U Thor <au.thor@example.com>
+diff --git a/f b/f
+index 7898192..6178079 100644
+--- a/f
+@@ -1 +1 @@
+-a
++b
+EOF
+
+test_expect_success setup '
+ test $? = 0 &&
+ echo a > f &&
+ git add f &&
+ test_tick &&
+ git commit -m initial
+'
+
+# This used to fail before, too, but with a different diagnostic.
+# fatal: unable to write file '(null)' mode 100644: Bad address
+# Also, it had the unwanted side-effect of deleting f.
+test_expect_success 'try to apply corrupted patch' '
+ git am bad-patch.diff 2> actual
+ test $? = 1
+'
+
+cat > expected <<EOF
+fatal: git diff header lacks filename information (line 4)
+EOF
+
+test_expect_success 'compare diagnostic; ensure file is still here' '
+ test $? = 0 &&
+ test -f f &&
+ test_cmp expected actual
+'
+
+test_done