[PATCH 4/4] Add tests for "git diff --check" with core.whitespace options

[Wincent Colaiuta <win@wincent.com>]

Make sure that "git diff --check" does the right thing when the
core.whitespace options are set.

Signed-off-by: Wincent Colaiuta <win@wincent.com>
---
 t/t4015-diff-whitespace.sh |   48 ++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 48 insertions(+), 0 deletions(-)

diff --git a/t/t4015-diff-whitespace.sh b/t/t4015-diff-whitespace.sh
index ff77a16..8d980af 100755
--- a/t/t4015-diff-whitespace.sh
+++ b/t/t4015-diff-whitespace.sh
@@ -256,4 +256,52 @@ test_expect_failure 'check mixed spaces and tabs in indent' '
 
 '
 
+test_expect_success 'check trailing whitespace (trailing-space: off)' '
+
+	git config core.whitespace "-trailing-space" &&
+	echo "foo ();   " > x &&
+	git diff --check
+
+'
+
+test_expect_failure 'check trailing whitespace (trailing-space: on)' '
+
+	git config core.whitespace "trailing-space" &&
+	echo "foo ();   " > x &&
+	git diff --check
+
+'
+
+test_expect_success 'check space before tab in indent (space-before-tab: off)' '
+
+	git config core.whitespace "-space-before-tab" &&
+	echo " 	foo ();" > x &&
+	git diff --check
+
+'
+
+test_expect_failure 'check space before tab in indent (space-before-tab: on)' '
+
+	git config core.whitespace "space-before-tab" &&
+	echo " 	foo ();   " > x &&
+	git diff --check
+
+'
+
+test_expect_success 'check spaces as indentation (indent-with-non-tab: off)' '
+
+	git config core.whitespace "-indent-with-non-tab"
+	echo "                foo ();" > x &&
+	git diff --check
+
+'
+
+test_expect_failure 'check spaces as indentation (indent-with-non-tab: on)' '
+
+	git config core.whitespace "indent-with-non-tab" &&
+	echo "                foo ();" > x &&
+	git diff --check
+
+'
+
 test_done
-- 
1.5.3.7.1159.g2f071-dirty