(function (){ 
test(function (){ 
var event = new AnimationEvent(""); 
assert_true(event instanceof window.AnimationEvent); 
} 
, "the event is an instance of AnimationEvent"); 
test(function (){ 
var event = new AnimationEvent(""); 
assert_true(event instanceof window.Event); 
} 
, "the event inherts from Event"); 
test(function (){ 
assert_throws(new TypeError(), function (){ 
new AnimationEvent(); 
} 
, 'First argument is required, so was expecting a TypeError.'); 
} 
, 'Missing type argument'); 
test(function (){ 
var event = new AnimationEvent("test"); 
assert_equals(event.type, "test"); 
} 
, "type argument is string"); 
test(function (){ 
var event = new AnimationEvent(null ); 
assert_equals(event.type, "null"); 
} 
, "type argument is null"); 
test(function (){ 
var event = new AnimationEvent(undefined); 
assert_equals(event.type, "undefined"); 
} 
, "event type set to undefined"); 
test(function (){ 
var event = new AnimationEvent("test"); 
assert_equals(event.animationName, ""); 
} 
, "animationName has default value of empty string"); 
test(function (){ 
var event = new AnimationEvent("test"); 
assert_equals(event.elapsedTime, 0); 
} 
, "elapsedTime has default value of 0.0"); 
test(function (){ 
var event = new AnimationEvent("test"); 
assert_readonly(event, "animationName", "readonly attribute value"); 
} 
, "animationName is readonly"); 
test(function (){ 
var event = new AnimationEvent("test"); 
assert_readonly(event, "elapsedTime", "readonly attribute value"); 
} 
, "elapsedTime is readonly"); 
test(function (){ 
var event = new AnimationEvent("test", null ); 
assert_equals(event.animationName, ""); 
assert_equals(event.elapsedTime, 0); 
} 
, "animationEventInit argument is null"); 
test(function (){ 
var event = new AnimationEvent("test", undefined); 
assert_equals(event.animationName, ""); 
assert_equals(event.elapsedTime, 0); 
} 
, "animationEventInit argument is undefined"); 
test(function (){ 
var event = new AnimationEvent("test", { 
}
); 
assert_equals(event.animationName, ""); 
assert_equals(event.elapsedTime, 0); 
} 
, "animationEventInit argument is empty dictionary"); 
test(function (){ 
var event = new AnimationEvent("test", { 
pseudoElement: "::testPseudo"}
); 
assert_equals(event.pseudoElement, "::testPseudo"); 
} 
, "AnimationEvent.pseudoElement initialized from the dictionary"); 
test(function (){ 
var event = new AnimationEvent("test", { 
animationName: "sample"}
); 
assert_equals(event.animationName, "sample"); 
} 
, "animationName set to 'sample'"); 
test(function (){ 
var event = new AnimationEvent("test", { 
elapsedTime: 0.5}
); 
assert_equals(event.elapsedTime, 0.5); 
} 
, "elapsedTime set to 0.5"); 
test(function (){ 
var eventInit = { 
animationName: "sample",
elapsedTime: 0.5}
; 
var event = new AnimationEvent("test", eventInit); 
assert_equals(event.animationName, "sample"); 
assert_equals(event.elapsedTime, 0.5); 
} 
, "AnimationEventInit properties set value"); 
} 
)();