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-rw-r--r--dom/html/reftests/responsive-image-load-shortcircuit.html15
1 files changed, 15 insertions, 0 deletions
diff --git a/dom/html/reftests/responsive-image-load-shortcircuit.html b/dom/html/reftests/responsive-image-load-shortcircuit.html
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index 0000000000..1cfb92cb20
--- /dev/null
+++ b/dom/html/reftests/responsive-image-load-shortcircuit.html
@@ -0,0 +1,15 @@
+<html class="reftest-wait">
+<iframe srcdoc="<img srcset=red.png>" width="150px"></iframe>
+<script>
+ var iframe = document.querySelector('iframe');
+ iframe.onload = function() {
+ var doc = iframe.contentDocument;
+ var img = doc.querySelector('img');
+ img.srcset = "pass.png";
+ iframe.width = "300px";
+ img.onload = function() {
+ document.documentElement.classList.remove('reftest-wait');
+ };
+ }
+</script>
+</html>