1 file changed, 51 insertions, 0 deletions
diff --git a/tests/t0104-tree.sh b/tests/t0104-tree.sh
index fefff4a..d464f8c 100755
--- a/tests/t0104-tree.sh
+++ b/tests/t0104-tree.sh
@@ -31,6 +31,57 @@ test_expect_success 'the code is set in the font of its line numbers' '
 	grep "^  font: inherit;$" rule
 '
 
+# A browser starts a new line at more characters than git ends one at, and
+# each would push the rest of the code a line below its numbers.
+test_expect_success 'set up a file holding the characters a browser breaks at' '
+	test_create_repo repos/breaks &&
+	(
+		cd repos/breaks &&
+		printf "a\\rb\\vc\\fd\\302\\205e\\342\\200\\250f\\342\\200\\251g\\nh\\r\\ni\\r" >breaks.txt &&
+		git add breaks.txt &&
+		git commit -m breaks
+	) &&
+	{
+		echo "virtual-root=/" &&
+		echo "cache-size=0" &&
+		echo "enable-blame=1" &&
+		echo "repo.url=breaks" &&
+		echo "repo.path=$PWD/repos/breaks/.git"
+	} >breaksrc
+'
+
+test_expect_success 'each of them is shown as an escape in the tree' '
+	CGIT_CONFIG="$PWD/breaksrc" QUERY_STRING="url=breaks/tree/breaks.txt" cgit >tmp &&
+	grep "<code>a<span class=.escape.>\\\\r</span>b<span class=.escape.>\\\\v</span>c" tmp &&
+	grep "c<span class=.escape.>\\\\f</span>d<span class=.escape.>\\\\u0085</span>e" tmp &&
+	grep "e<span class=.escape.>\\\\u2028</span>f<span class=.escape.>\\\\u2029</span>g$" tmp
+'
+
+test_expect_success 'only a carriage return before a line feed is left as it is' '
+	printf "h\\r\\n" >expect &&
+	grep "^h" tmp >actual &&
+	test_cmp expect actual &&
+	grep "^i<span class=.escape.>\\\\r</span></code>" tmp
+'
+
+test_expect_success 'the numbers count only the lines git counts' '
+	grep "<a id=.n3. href=.#n3.>3</a>" tmp &&
+	! grep "<a id=.n4. href=.#n4.>4</a>" tmp
+'
+
+test_expect_success 'the blame page escapes them the same way' '
+	CGIT_CONFIG="$PWD/breaksrc" QUERY_STRING="url=breaks/blame/breaks.txt" cgit >tmp &&
+	grep "<code>a<span class=.escape.>\\\\r</span>b<span class=.escape.>\\\\v</span>c" tmp &&
+	grep "e<span class=.escape.>\\\\u2028</span>f<span class=.escape.>\\\\u2029</span>g$" tmp &&
+	grep "^i<span class=.escape.>\\\\r</span></code>" tmp
+'
+
+# The striped background is padded with spaces to the widest line, which is
+# 31 columns once its six escapes are written out, though it is 18 bytes.
+test_expect_success 'the blame stripes are as wide as the escaped line' '
+	grep "^ \\{31\\}</pre></div>" tmp
+'
+
 test_expect_success 'generate foo+bar/tree' 'cgit_url "foo%2bbar/tree" >tmp'
 
 test_expect_success 'verify a+b link' '