1 files changed, 21 insertions, 0 deletions
diff --git a/t/t4255-am-submodule.sh b/t/t4255-am-submodule.sh
new file mode 100755
index 0000000000..8bde7dbb6d
--- /dev/null
+++ b/t/t4255-am-submodule.sh
@@ -0,0 +1,21 @@
+#!/bin/sh
+
+test_description='git am handling submodules'
+
+. ./test-lib.sh
+. "$TEST_DIRECTORY"/lib-submodule-update.sh
+
+am () {
+	git format-patch --stdout --ignore-submodules=dirty "..$1" | git am -
+}
+
+test_submodule_switch "am"
+
+am_3way () {
+	git format-patch --stdout --ignore-submodules=dirty "..$1" | git am --3way -
+}
+
+KNOWN_FAILURE_NOFF_MERGE_ATTEMPTS_TO_MERGE_REMOVED_SUBMODULE_FILES=1
+test_submodule_switch "am_3way"
+
+test_done