test_terminal: ensure redirections work reliably

diff --git a/t/t7810-grep.sh b/t/t7810-grep.sh
index 8a6322765c965bfc3a9158cc14312fdf03295090..50658845ca8769e963cfc13b20efb892f1f63cc0 100755 (executable)
--- a/t/t7810-grep.sh
+++ b/t/t7810-grep.sh
@@ -65,7 +65,7 @@ do
 
        test_expect_success "grep -w $L (w)" '
                : >expected &&
-               ! git grep -n -w -e "^w" >actual &&
+               test_must_fail git grep -n -w -e "^w" >actual &&
                test_cmp expected actual
        '
 
@@ -324,8 +324,13 @@ test_expect_success 'log grep setup' '
 
        echo a >>file &&
        test_tick &&
-       git commit -a -m "third"
+       git commit -a -m "third" &&
 
+       echo a >>file &&
+       test_tick &&
+       GIT_AUTHOR_NAME="Night Fall" \
+       GIT_AUTHOR_EMAIL="nitfol@frobozz.com" \
+       git commit -a -m "fourth"
 '
 
 test_expect_success 'log grep (1)' '
@@ -372,6 +377,28 @@ test_expect_success 'log --grep --author implicitly uses all-match' '
        test_cmp expect actual
 '
 
+test_expect_success 'log with multiple --author uses union' '
+       git log --author="Thor" --author="Aster" --format=%s >actual &&
+       {
+           echo third && echo second && echo initial
+       } >expect &&
+       test_cmp expect actual
+'
+
+test_expect_success 'log with --grep and multiple --author uses all-match' '
+       git log --author="Thor" --author="Night" --grep=i --format=%s >actual &&
+       {
+           echo third && echo initial
+       } >expect &&
+       test_cmp expect actual
+'
+
+test_expect_success 'log with --grep and multiple --author uses all-match' '
+       git log --author="Thor" --author="Night" --grep=q --format=%s >actual &&
+       >expect &&
+       test_cmp expect actual
+'
+
 test_expect_success 'grep with CE_VALID file' '
        git update-index --assume-unchanged t/t &&
        rm t/t &&