1 files changed, 26 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-writing-modes/text-combine-upright-break-inside-001a.html b/testing/web-platform/tests/css/css-writing-modes/text-combine-upright-break-inside-001a.html
new file mode 100644
index 0000000000..d4c4bd649e
--- /dev/null
+++ b/testing/web-platform/tests/css/css-writing-modes/text-combine-upright-break-inside-001a.html
@@ -0,0 +1,26 @@
+<!DOCTYPE html>
+<html lang="ja">
+<head>
+<meta charset="UTF-8">
+<title>CSS Test: text-combine-upright, white-space: pre with new line</title>
+<link rel="author" title="Xidorn Quan" href="https://www.upsuper.org">
+<link rel="help" href="https://drafts.csswg.org/css-writing-modes-3/#text-combine-layout">
+<link rel="match" href="text-combine-upright-break-inside-001-ref.html">
+<meta name="assert" content="line should never be broken inside text-combine-upright text node">
+<link rel="stylesheet" href="support/tcy.css">
+<style>
+.test { writing-mode: vertical-rl; }
+.test > p { height: 3em; margin: 0 5em; }
+.tcy { white-space: pre; }
+.tcy, .fake-tcy { color: transparent; }
+</style>
+</head>
+<body>
+<p>Test passes if the two columns are identical.</p>
+<div class="test">
+  <p>XXXXX<span class="tcy">X
+X</span>XXXXX</p>
+  <p style="white-space: nowrap">XXXXX<span class="fake-tcy">X</span>XXXXX</p>
+</div>
+</body>
+</html>