1 file changed, 9 insertions, 0 deletions
diff --git a/tests/t0104-tree.sh b/tests/t0104-tree.sh
index b48c394..fefff4a 100755
--- a/tests/t0104-tree.sh
+++ b/tests/t0104-tree.sh
@@ -22,6 +22,15 @@ test_expect_success 'no line 2' '
 	! grep "<a id=.n2. href=.#n2.>2</a>" tmp
 '
 
+# The numbers and the code are two columns of text that a browser keeps in
+# step only while both are set in one font. Only a browser shows the drift,
+# so this checks the rule that prevents it.
+test_expect_success 'the code is set in the font of its line numbers' '
+	sed -n "/^div#cgit table.blob code {/,/^}/p" \
+		"$TEST_OUTPUT_DIRECTORY/../assets/cgit.css" >rule &&
+	grep "^  font: inherit;$" rule
+'
+
 test_expect_success 'generate foo+bar/tree' 'cgit_url "foo%2bbar/tree" >tmp'
 
 test_expect_success 'verify a+b link' '