Bug 849519 - Raise INDEX_SIZE_ERR if media element volume is set to NaN. r=doublec

content/html/content/src/nsHTMLMediaElement.cpp

@@ -1390,7 +1390,7 @@ NS_IMETHODIMP nsHTMLMediaElement::GetVolume(double *aVolume)
 
 NS_IMETHODIMP nsHTMLMediaElement::SetVolume(double aVolume)
 {
-  if (aVolume < 0.0 || aVolume > 1.0)
+  if (!(aVolume >= 0.0 && aVolume <= 1.0))
     return NS_ERROR_DOM_INDEX_SIZE_ERR;
 
   if (aVolume == mVolume)

content/media/test/test_volume.html

@@ -27,10 +27,12 @@ var ids = new Array(document.getElementById('v1'), document.getElementById('a1')
 
 for (i=0; i<ids.length; i++) {
   var element = ids[i];
-  test(element, 0.0,false);
+  test(element, 0.0, false);
   test(element, 1.0, false);
   test(element, -0.1, true);
   test(element, 1.1, true);
+  test(element, undefined, true);
+  test(element, NaN, true);
 }  
  
 </script>