interface AudioDestinationNode : AudioNode {

    readonly attribute unsigned long maxChannelCount;

};

PASS AudioDestinationNode interface: existence and properties of interface object
PASS AudioDestinationNode interface object length
PASS AudioDestinationNode interface object name
PASS AudioDestinationNode interface: existence and properties of interface prototype object
PASS AudioDestinationNode interface: existence and properties of interface prototype object's "constructor" property
PASS AudioDestinationNode interface: existence and properties of interface prototype object's @@unscopables property
PASS AudioDestinationNode interface: attribute maxChannelCount
PASS AudioDestinationNode must be primary interface of audio_destination_node
PASS Stringification of audio_destination_node
PASS AudioDestinationNode interface: audio_destination_node must inherit property "maxChannelCount" with the proper type