1 files changed, 31 insertions, 0 deletions
diff --git a/devtools/client/shared/test/doc_layoutHelpers.html b/devtools/client/shared/test/doc_layoutHelpers.html
new file mode 100644
index 0000000000..ba31753b09
--- /dev/null
+++ b/devtools/client/shared/test/doc_layoutHelpers.html
@@ -0,0 +1,31 @@
+<!doctype html>
+<meta charset=utf-8>
+<title> Layout Helpers </title>
+
+<style>
+  html {
+    height: 300%;
+    width: 300%;
+  }
+  div#some {
+    position: absolute;
+    background: black;
+    width: 2px;
+    height: 2px;
+  }
+  div#other {
+    position: absolute;
+    background: red;
+    width: 2px;
+    height: 300px;
+  }
+  iframe {
+    position: absolute;
+    width: 40px;
+    height: 40px;
+    border: 0;
+  }
+</style>
+
+<div id=some></div>
+<div id="other"></div>