+# use diff.interHunkContext?
+t 1 line 0 0 2 config
+t 1 line 0 1 1 config
+t 1 line 0 2 1 config
+t 9 lines 3 3 1 config
+t 2 lines 0 0 2 config
+t 2 lines 0 1 2 config
+t 2 lines 0 2 1 config
+t 3 lines 1 0 2 config
+t 3 lines 1 1 1 config
+t 3 lines 1 2 1 config
+t 9 lines 3 2 2 config
+t 9 lines 3 3 1 config
+
+test_expect_success 'diff.interHunkContext invalid' '
+ git config diff.interHunkContext asdf &&
+ test_must_fail git diff &&
+ git config diff.interHunkContext -1 &&
+ test_must_fail git diff
+'
+