2 files changed, 62 insertions, 4 deletions
diff --git a/tests/t0005-markup.sh b/tests/t0005-markup.sh
index e3cb08d..829c839 100755
--- a/tests/t0005-markup.sh
+++ b/tests/t0005-markup.sh
@@ -96,15 +96,17 @@ test_expect_success 'the stylesheet and the script name only the current hooks'
 	grep "window.cgit.highlightLines" "$TEST_OUTPUT_DIRECTORY/../assets/cgit.js"
 '
 
-# The rest of the hooks need a tag, a symlink, a submodule, a trailer, clone
-# urls, an empty repository and a second page of repositories, so they get a
-# commit and a config of their own after the checks above have read the first
-# ones.
+# The rest of the hooks need a tag, a symlink, a submodule, a trailer, a lone
+# carriage return, clone urls, an empty repository and a second page of
+# repositories, so they get a commit and a config of their own after the checks
+# above have read the first ones.
 test_expect_success 'set up the remaining kinds of entry' '
 	(
 		cd repos/hooks &&
 		git tag -a -m "first release" v1 &&
 		test_ln_s_add file-1 link &&
+		printf "a\\rb\\n" >cr.txt &&
+		git add cr.txt &&
 		git update-index --add --cacheinfo "160000,$(git rev-parse HEAD),sub" &&
 		git commit -m "more kinds of entry" -m "Fixes: $(git rev-parse --short HEAD)"
 	) &&
@@ -139,6 +141,11 @@ test_expect_success 'the refs, summary and tree name every section and row' '
 	grep "<tr class=.mod.>" tmp
 '
 
+test_expect_success 'a character the browser would break a line at is an escape' '
+	more "hooks/tree/cr.txt" >tmp &&
+	grep "a<span class=.escape.>" tmp
+'
+
 test_expect_success 'the commit page has its trailer table and diffstat' '
 	more "hooks/commit/" >tmp &&
 	grep "<table class=.commit-trailers.>" tmp &&
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' '