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-rw-r--r--layout/reftests/frameset/frameset-add-col.html22
1 files changed, 22 insertions, 0 deletions
diff --git a/layout/reftests/frameset/frameset-add-col.html b/layout/reftests/frameset/frameset-add-col.html
new file mode 100644
index 0000000000..8fe32e1de7
--- /dev/null
+++ b/layout/reftests/frameset/frameset-add-col.html
@@ -0,0 +1,22 @@
+<!DOCTYPE html>
+<html class="reftest-wait">
+ <head>
+ <meta charset=utf-8>
+ <script type="text/javascript">
+ window.addEventListener("MozReftestInvalidate", () => {
+ let frameset = document.getElementById("frameset");
+ let newFrame = document.createElement("frame");
+ frameset.appendChild(newFrame);
+ frameset.cols = "*";
+
+ newFrame = document.createElement("frame");
+ frameset.appendChild(newFrame);
+ frameset.cols = frameset.cols + ",*";
+
+ document.documentElement.removeAttribute("class");
+ });
+ </script>
+ </head>
+ <frameset id="frameset" cols="">
+ </frameset>
+</html>