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-rw-r--r--layout/reftests/printing/test-print-selection-shadow-dom.html25
1 files changed, 25 insertions, 0 deletions
diff --git a/layout/reftests/printing/test-print-selection-shadow-dom.html b/layout/reftests/printing/test-print-selection-shadow-dom.html
new file mode 100644
index 0000000000..c268131994
--- /dev/null
+++ b/layout/reftests/printing/test-print-selection-shadow-dom.html
@@ -0,0 +1,25 @@
+<!DOCTYPE html>
+<html reftest-print-range="selection">
+<head>
+ <meta charset="utf-8">
+ <link href="print.css" rel="stylesheet">
+ <script>
+ function selectNodesInShadowTree() {
+ let host = document.getElementById("host");
+ host.attachShadow({ mode: "open" }).innerHTML = `
+ <p>This text should not be there</p>
+ <p id="selection">This text should appear on page 1</p>
+ <p>This text should not be there</p>
+ `;
+ let rng = document.createRange();
+ rng.selectNode(host.shadowRoot.getElementById("selection"));
+ window.getSelection().addRange(rng);
+ }
+ </script>
+</head>
+<body onload="selectNodesInShadowTree()">
+ <p>This text should not be there</p>
+ <div id="host">Shouldn't show up (in the shadows)</div>
+ <p>This text should not be there</p>
+</body>
+</html>