1 files changed, 46 insertions, 0 deletions
diff --git a/t/t4123-apply-shrink.sh b/t/t4123-apply-shrink.sh
new file mode 100755
index 0000000..3ef8461
--- /dev/null
+++ b/t/t4123-apply-shrink.sh
@@ -0,0 +1,46 @@
+#!/bin/sh
+
+test_description='apply a patch that is larger than the preimage'
+
+. ./test-lib.sh
+
+cat >F  <<\EOF
+1
+2
+3
+4
+5
+6
+7
+8
+999999
+A
+B
+C
+D
+E
+F
+G
+H
+I
+J
+
+EOF
+
+test_expect_success setup '
+
+	git add F &&
+	mv F G &&
+	sed -e "s/1/11/" -e "s/999999/9/" -e "s/H/HH/" <G >F &&
+	git diff >patch &&
+	sed -e "/^\$/d" <G >F &&
+	git add F
+
+'
+
+test_expect_success 'apply should fail gracefully' '
+	test_must_fail git apply --index patch &&
+	test_path_is_missing .git/index.lock
+'
+
+test_done