blame,cat-file: Prepare --textconv tests for correctly-failing conversion program

diff --git a/t/t4027-diff-submodule.sh b/t/t4027-diff-submodule.sh
index 83c19147717f2a5e6c634918c74b93e54376d725..1bd8e5ee3ac5ca4d101738048e6769ae798b23dc 100755 (executable)
--- a/t/t4027-diff-submodule.sh
+++ b/t/t4027-diff-submodule.sh
@@ -103,7 +103,15 @@ test_expect_success 'git diff HEAD with dirty submodule (work tree, refs match)'
        git diff HEAD >actual &&
        sed -e "1,/^@@/d" actual >actual.body &&
        expect_from_to >expect.body $subprev $subprev-dirty &&
-       test_cmp expect.body actual.body
+       test_cmp expect.body actual.body &&
+       git diff --ignore-submodules HEAD >actual2 &&
+       ! test -s actual2 &&
+       git diff --ignore-submodules=untracked HEAD >actual3 &&
+       sed -e "1,/^@@/d" actual3 >actual3.body &&
+       expect_from_to >expect.body $subprev $subprev-dirty &&
+       test_cmp expect.body actual3.body &&
+       git diff --ignore-submodules=dirty HEAD >actual4 &&
+       ! test -s actual4
 '
 
 test_expect_success 'git diff HEAD with dirty submodule (index, refs match)' '
@@ -129,7 +137,13 @@ test_expect_success 'git diff HEAD with dirty submodule (untracked, refs match)'
        git diff HEAD >actual &&
        sed -e "1,/^@@/d" actual >actual.body &&
        expect_from_to >expect.body $subprev $subprev-dirty &&
-       test_cmp expect.body actual.body
+       test_cmp expect.body actual.body &&
+       git diff --ignore-submodules=all HEAD >actual2 &&
+       ! test -s actual2 &&
+       git diff --ignore-submodules=untracked HEAD >actual3 &&
+       ! test -s actual3 &&
+       git diff --ignore-submodules=dirty HEAD >actual4 &&
+       ! test -s actual4
 '
 
 test_expect_success 'git diff (empty submodule dir)' '