grep: add test script for binary file handling

Signed-off-by: Rene Scharfe <rene.scharfe@lsrfire.ath.cx>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/t/t7008-grep-binary.sh b/t/t7008-grep-binary.sh
new file mode 100755 (executable)
index 0000000..2320e74
--- /dev/null
+++ b/t/t7008-grep-binary.sh
@@ -0,0 +1,42 @@
+#!/bin/sh
+
+test_description='git grep in binary files'
+
+. ./test-lib.sh
+
+test_expect_success 'setup' "
+       printf 'binary\000file\n' >a &&
+       git add a &&
+       git commit -m.
+"
+
+test_expect_success 'git grep ina a' '
+       echo Binary file a matches >expect &&
+       git grep ina a >actual &&
+       test_cmp expect actual
+'
+
+test_expect_success 'git grep -ah ina a' '
+       git grep -ah ina a >actual &&
+       test_cmp a actual
+'
+
+test_expect_success 'git grep -I ina a' '
+       : >expect &&
+       test_must_fail git grep -I ina a >actual &&
+       test_cmp expect actual
+'
+
+test_expect_success 'git grep -L bar a' '
+       echo a >expect &&
+       git grep -L bar a >actual &&
+       test_cmp expect actual
+'
+
+test_expect_success 'git grep -q ina a' '
+       : >expect &&
+       git grep -q ina a >actual &&
+       test_cmp expect actual
+'
+
+test_done