gecko-dev/dom/smil/test/test_smilGetStartTime.xhtml

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<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Test for getStartTime Behavior </title>
<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<p id="display"></p>
<div id="content" style="display: none">
<svg id="svg" xmlns="http://www.w3.org/2000/svg" width="120px" height="120px"
onload="this.pauseAnimations()">
<circle cx="20" cy="20" r="15" fill="blue">
<animate attributeName="cx" attributeType="XML"
from="20" to="100" begin="indefinite" dur="1s" id="anim"/>
</circle>
</svg>
</div>
<pre id="test">
<script class="testbody" type="text/javascript">
<![CDATA[
/** Test for getStartTime Behavior **/
SimpleTest.waitForExplicitFinish();
function main() {
var svg = document.getElementById("svg");
ok(svg.animationsPaused(), "should be paused by <svg> load handler");
is(svg.getCurrentTime(), 0, "should be paused at 0 in <svg> load handler");
var anim = document.getElementById("anim");
// indefinite
var exceptionCaught = false;
try {
anim.getStartTime();
} catch(e) {
exceptionCaught = true;
is(e.name, "InvalidStateError",
"Unexpected exception from getStartTime.");
is(e.code, DOMException.INVALID_STATE_ERR,
"Unexpected exception code from getStartTime.");
}
ok(exceptionCaught, "No exception thrown for indefinite start time.");
// 1s
anim.setAttribute("begin", "1s");
is(anim.getStartTime(), 1, "Unexpected start time with begin=1s");
// We have to be careful here when choosing a negative time that we choose
// a time that will create an interval that reaches past t=0 as SMIL has
// special rules for throwing away intervals that end before t=0
anim.setAttribute("begin", "-0.5s");
is(anim.getStartTime(), -0.5, "Unexpected start time with begin=-0.5s");
// Once the animation has begun, the begin time is fixed so we need to end the
// element (or advance the timeline) to override the previous start time
anim.endElement();
// However, now we have an end instance, and the SMIL model dictates that if
// we have end instances and no end event conditions and all end instances are
// before our next begin, there's no valid interval. To overcome this we add
// an indefinite end.
anim.setAttribute("end", "indefinite");
// Now test over the lifetime of the animation when there are multiple
// intervals
anim.setAttribute("begin", "1s; 3s");
is(anim.getStartTime(), 1, "Unexpected start time before first interval");
svg.setCurrentTime(1);
is(anim.getStartTime(), 1,
"Unexpected start time at start of first interval");
svg.setCurrentTime(1.5);
is(anim.getStartTime(), 1, "Unexpected start time during first interval");
svg.setCurrentTime(2);
is(anim.getStartTime(), 3, "Unexpected start time after first interval");
svg.setCurrentTime(3);
is(anim.getStartTime(), 3, "Unexpected start time during second interval");
svg.setCurrentTime(4);
exceptionCaught = false;
try {
anim.getStartTime();
} catch(e) {
exceptionCaught = true;
is(e.name, "InvalidStateError",
"Unexpected exception from getStartTime.");
is(e.code, DOMException.INVALID_STATE_ERR,
"Unexpected exception code from getStartTime.");
}
ok(exceptionCaught, "No exception thrown for in postactive state.");
SimpleTest.finish();
}
window.addEventListener("load", main, false);
]]>
</script>
</pre>
</body>
</html>