test_cmp one expect
'
+test_expect_success 'whitespace=fix to expand' '
+ qz_to_tab_space >preimage <<-\EOF &&
+ QQa
+ QQb
+ QQc
+ ZZZZZZZZZZZZZZZZd
+ QQe
+ QQf
+ QQg
+ EOF
+ qz_to_tab_space >patch <<-\EOF &&
+ diff --git a/preimage b/preimage
+ --- a/preimage
+ +++ b/preimage
+ @@ -1,7 +1,6 @@
+ QQa
+ QQb
+ QQc
+ -QQd
+ QQe
+ QQf
+ QQg
+ EOF
+ git -c core.whitespace=tab-in-indent apply --whitespace=fix patch
+'
+
test_done