servo/tests/wpt/web-platform-tests/web-animations/keyframe-effect/constructor.html

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HTML

<!DOCTYPE html>
<meta charset=utf-8>
<title>KeyframeEffectReadOnly constructor tests</title>
<link rel="help" href="http://w3c.github.io/web-animations/#the-keyframeeffect-interfaces">
<link rel="author" title="Cameron McCormack" href="mailto:cam@mcc.id.au">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="../testcommon.js"></script>
<body>
<div id="log"></div>
<div id="target"></div>
<style>
#target {
border-style: solid; /* so border-*-width values don't compute to 0 */
}
</style>
<script>
"use strict";
var target = document.getElementById("target");
function assert_frames_equal(a, b, name) {
assert_equals(Object.keys(a).sort().toString(),
Object.keys(b).sort().toString(),
"properties on " + name);
for (var p in a) {
assert_equals(a[p], b[p], "value for '" + p + "' on " + name);
}
}
function assert_frame_lists_equal(a, b) {
assert_equals(a.length, b.length, "number of frames");
for (var i = 0; i < Math.min(a.length, b.length); i++) {
assert_frames_equal(a[i], b[i], "ComputedKeyframe #" + i);
}
}
var gEmptyKeyframeListTests = [
[],
null,
undefined,
];
test(function(t) {
gEmptyKeyframeListTests.forEach(function(frames) {
assert_equals(new KeyframeEffectReadOnly(target, frames).getFrames().length,
0, "number of frames for " + JSON.stringify(frames));
});
}, "a KeyframeEffectReadOnly can be constructed with no frames");
// [specified easing value, expected easing value]
var gEasingValueTests = [
["linear", "linear"],
["ease-in-out", "ease-in-out"],
["Ease\\2d in-out", "ease-in-out"],
["ease /**/", "ease"],
];
test(function(t) {
gEasingValueTests.forEach(function(subtest) {
var easing = subtest[0];
var expected = subtest[1];
var effect = new KeyframeEffectReadOnly(target, {
left: ["10px", "20px"],
easing: easing
});
assert_equals(effect.getFrames()[0].easing, expected,
"resulting easing for '" + easing + "'");
});
}, "easing values are parsed correctly when passed to the " +
"KeyframeEffectReadOnly constructor in a property-indexed keyframe");
test(function(t) {
gEasingValueTests.forEach(function(subtest) {
var easing = subtest[0];
var expected = subtest[1];
var effect = new KeyframeEffectReadOnly(target, [
{ offset: 0, left: "10px", easing: easing },
{ offset: 1, left: "20px" }
]);
assert_equals(effect.getFrames()[0].easing, expected,
"resulting easing for '" + easing + "'");
});
}, "easing values are parsed correctly when passed to the " +
"KeyframeEffectReadOnly constructor in regular keyframes");
test(function(t) {
gEasingValueTests.forEach(function(subtest) {
var easing = subtest[0];
var expected = subtest[1];
var effect = new KeyframeEffectReadOnly(target, {
left: ["10px", "20px"]
}, { easing: easing });
assert_equals(effect.timing.easing, expected,
"resulting easing for '" + easing + "'");
});
}, "easing values are parsed correctly when passed to the " +
"KeyframeEffectReadOnly constructor in KeyframeTimingOptions");
var gGoodKeyframeCompositeValueTests = [
"replace", "add", "accumulate", undefined
];
var gGoodOptionsCompositeValueTests = [
"replace", "add", "accumulate"
];
var gBadCompositeValueTests = [
"unrecognised", "replace ", "Replace", null
];
test(function(t) {
var getFrame = function(composite) {
return { left: [ "10px", "20px" ], composite: composite };
};
gGoodKeyframeCompositeValueTests.forEach(function(composite) {
var effect = new KeyframeEffectReadOnly(target, getFrame(composite));
assert_equals(effect.getFrames()[0].composite, composite,
"resulting composite for '" + composite + "'");
});
gBadCompositeValueTests.forEach(function(composite) {
assert_throws(new TypeError, function() {
new KeyframeEffectReadOnly(target, getFrame(composite));
});
});
}, "composite values are parsed correctly when passed to the " +
"KeyframeEffectReadOnly constructor in property-indexed keyframes");
test(function(t) {
var getFrames = function(composite) {
return [
{ offset: 0, left: "10px", composite: composite },
{ offset: 1, left: "20px" }
];
};
gGoodKeyframeCompositeValueTests.forEach(function(composite) {
var effect = new KeyframeEffectReadOnly(target, getFrames(composite));
assert_equals(effect.getFrames()[0].composite, composite,
"resulting composite for '" + composite + "'");
});
gBadCompositeValueTests.forEach(function(composite) {
assert_throws(new TypeError, function() {
new KeyframeEffectReadOnly(target, getFrames(composite));
});
});
}, "composite values are parsed correctly when passed to the " +
"KeyframeEffectReadOnly constructor in regular keyframes");
test(function(t) {
gGoodOptionsCompositeValueTests.forEach(function(composite) {
var effect = new KeyframeEffectReadOnly(target, {
left: ["10px", "20px"]
}, { composite: composite });
assert_equals(effect.getFrames()[0].composite, composite,
"resulting composite for '" + composite + "'");
});
gBadCompositeValueTests.forEach(function(composite) {
assert_throws(new TypeError, function() {
new KeyframeEffectReadOnly(target, {
left: ["10px", "20px"]
}, { composite: composite });
});
});
}, "composite values are parsed correctly when passed to the " +
"KeyframeEffectReadOnly constructor in KeyframeTimingOptions");
var gPropertyIndexedKeyframesTests = [
{ desc: "a one property two value property-indexed keyframes specification",
input: { left: ["10px", "20px"] },
output: [{ offset: null, computedOffset: 0, easing: "linear",
left: "10px" },
{ offset: null, computedOffset: 1, easing: "linear",
left: "20px" }] },
{ desc: "a one shorthand property two value property-indexed keyframes"
+ " specification",
input: { margin: ["10px", "10px 20px 30px 40px"] },
output: [{ offset: null, computedOffset: 0, easing: "linear",
margin: "10px" },
{ offset: null, computedOffset: 1, easing: "linear",
margin: "10px 20px 30px 40px" }] },
{ desc: "a two property (one shorthand and one of its longhand components)"
+ " two value property-indexed keyframes specification",
input: { marginTop: ["50px", "60px"],
margin: ["10px", "10px 20px 30px 40px"] },
output: [{ offset: null, computedOffset: 0, easing: "linear",
marginTop: "50px", margin: "10px" },
{ offset: null, computedOffset: 1, easing: "linear",
marginTop: "60px", margin: "10px 20px 30px 40px" }] },
{ desc: "a two property two value property-indexed keyframes specification",
input: { left: ["10px", "20px"],
top: ["30px", "40px"] },
output: [{ offset: null, computedOffset: 0, easing: "linear",
left: "10px", top: "30px" },
{ offset: null, computedOffset: 1, easing: "linear",
left: "20px", top: "40px" }] },
{ desc: "a two property property-indexed keyframes specification with"
+ " different numbers of values",
input: { left: ["10px", "20px", "30px"],
top: ["40px", "50px"] },
output: [{ offset: null, computedOffset: 0.0, easing: "linear",
left: "10px", top: "40px" },
{ offset: null, computedOffset: 0.5, easing: "linear",
left: "20px" },
{ offset: null, computedOffset: 1.0, easing: "linear",
left: "30px", top: "50px" }] },
{ desc: "a property-indexed keyframes specification with an invalid value",
input: { left: ["10px", "20px", "30px", "40px", "50px"],
top: ["15px", "25px", "invalid", "45px", "55px"] },
output: [{ offset: null, computedOffset: 0.00, easing: "linear",
left: "10px", top: "15px" },
{ offset: null, computedOffset: 0.25, easing: "linear",
left: "20px", top: "25px" },
{ offset: null, computedOffset: 0.50, easing: "linear",
left: "30px", top: "invalid" },
{ offset: null, computedOffset: 0.75, easing: "linear",
left: "40px", top: "45px" },
{ offset: null, computedOffset: 1.00, easing: "linear",
left: "50px", top: "55px" }] },
{ desc: "a one property two value property-indexed keyframes specification"
+ " that needs to stringify its values",
input: { opacity: [0, 1] },
output: [{ offset: null, computedOffset: 0, easing: "linear",
opacity: "0" },
{ offset: null, computedOffset: 1, easing: "linear",
opacity: "1" }] },
{ desc: "a one property one value property-indexed keyframes specification",
input: { left: ["10px"] },
output: [{ offset: null, computedOffset: 1, easing: "linear",
left: "10px" }] },
{ desc: "a one property one non-array value property-indexed keyframes"
+ " specification",
input: { left: "10px" },
output: [{ offset: null, computedOffset: 1, easing: "linear",
left: "10px" }] },
{ desc: "a one property two value property-indexed keyframes specification"
+ " where the first value is invalid",
input: { left: ["invalid", "10px"] },
output: [{ offset: null, computedOffset: 0, easing: "linear",
left: "invalid" },
{ offset: null, computedOffset: 1, easing: "linear",
left: "10px" }] },
{ desc: "a one property two value property-indexed keyframes specification"
+ " where the second value is invalid",
input: { left: ["10px", "invalid"] },
output: [{ offset: null, computedOffset: 0, easing: "linear",
left: "10px" },
{ offset: null, computedOffset: 1, easing: "linear",
left: "invalid" }] },
{ desc: "a two property property-indexed keyframes specification where one"
+ " property is missing from the first keyframe",
input: [{ offset: 0, left: "10px" },
{ offset: 1, left: "20px", top: "30px" }],
output: [{ offset: 0, computedOffset: 0, easing: "linear", left: "10px" },
{ offset: 1, computedOffset: 1, easing: "linear",
left: "20px", top: "30px" }] },
{ desc: "a two property property-indexed keyframes specification where one"
+ " property is missing from the last keyframe",
input: [{ offset: 0, left: "10px", top: "20px" },
{ offset: 1, left: "30px" }],
output: [{ offset: 0, computedOffset: 0, easing: "linear",
left: "10px" , top: "20px" },
{ offset: 1, computedOffset: 1, easing: "linear",
left: "30px" }] },
{ desc: "a property-indexed keyframes specification with repeated values"
+ " at offset 0 with different easings",
input: [{ offset: 0.0, left: "100px", easing: "ease" },
{ offset: 0.0, left: "200px", easing: "ease" },
{ offset: 0.5, left: "300px", easing: "linear" },
{ offset: 1.0, left: "400px", easing: "ease-out" },
{ offset: 1.0, left: "500px", easing: "step-end" }],
output: [{ offset: 0.0, computedOffset: 0.0, easing: "ease",
left: "100px" },
{ offset: 0.0, computedOffset: 0.0, easing: "ease",
left: "200px" },
{ offset: 0.5, computedOffset: 0.5, easing: "linear",
left: "300px" },
{ offset: 1.0, computedOffset: 1.0, easing: "ease-out",
left: "400px" },
{ offset: 1.0, computedOffset: 1.0, easing: "step-end",
left: "500px" }] },
];
gPropertyIndexedKeyframesTests.forEach(function(subtest) {
test(function(t) {
var effect = new KeyframeEffectReadOnly(target, subtest.input);
assert_frame_lists_equal(effect.getFrames(), subtest.output);
}, "a KeyframeEffectReadOnly can be constructed with " + subtest.desc);
test(function(t) {
var effect = new KeyframeEffectReadOnly(target, subtest.input);
var secondEffect = new KeyframeEffectReadOnly(target, effect.getFrames());
assert_frame_lists_equal(secondEffect.getFrames(), effect.getFrames());
}, "a KeyframeEffectReadOnly constructed with " + subtest.desc +
" roundtrips");
});
test(function(t) {
var expectedOrder = ["composite", "easing", "offset", "left", "marginLeft"];
var actualOrder = [];
var kf1 = {};
var kf2 = { marginLeft: "10px", left: "20px", offset: 1 };
[{ p: "marginLeft", v: "10px" },
{ p: "left", v: "20px" },
{ p: "offset", v: "0" },
{ p: "easing", v: "linear" },
{ p: "composite", v: "replace" }].forEach(function(e) {
Object.defineProperty(kf1, e.p, {
enumerable: true,
get: function() { actualOrder.push(e.p); return e.v; }
});
});
new KeyframeEffectReadOnly(target, [kf1, kf2]);
assert_array_equals(actualOrder, expectedOrder, "property access order");
}, "the KeyframeEffectReadOnly constructor reads keyframe properties in the " +
"expected order");
var gKeyframeSequenceTests = [
{ desc: "a one property two keyframe sequence",
input: [{ offset: 0, left: "10px" },
{ offset: 1, left: "20px" }],
output: [{ offset: 0, computedOffset: 0, easing: "linear", left: "10px" },
{ offset: 1, computedOffset: 1, easing: "linear", left: "20px" }]
},
{ desc: "a two property two keyframe sequence",
input: [{ offset: 0, left: "10px", top: "30px" },
{ offset: 1, left: "20px", top: "40px" }],
output: [{ offset: 0, computedOffset: 0, easing: "linear",
left: "10px", top: "30px" },
{ offset: 1, computedOffset: 1, easing: "linear",
left: "20px", top: "40px" }] },
{ desc: "a one shorthand property two keyframe sequence",
input: [{ offset: 0, margin: "10px" },
{ offset: 1, margin: "20px 30px 40px 50px" }],
output: [{ offset: 0, computedOffset: 0, easing: "linear",
margin: "10px" },
{ offset: 1, computedOffset: 1, easing: "linear",
margin: "20px 30px 40px 50px" }] },
{ desc: "a two property (a shorthand and one of its component longhands)"
+ " two keyframe sequence",
input: [{ offset: 0, margin: "10px", marginTop: "20px" },
{ offset: 1, marginTop: "70px", margin: "30px 40px 50px 60px" }],
output: [{ offset: 0, computedOffset: 0, easing: "linear",
margin: "10px", marginTop: "20px" },
{ offset: 1, computedOffset: 1, easing: "linear",
marginTop: "70px", margin: "30px 40px 50px 60px" }] },
{ desc: "a keyframe sequence with duplicate values for a given interior"
+ " offset",
input: [{ offset: 0.0, left: "10px" },
{ offset: 0.5, left: "20px" },
{ offset: 0.5, left: "30px" },
{ offset: 0.5, left: "40px" },
{ offset: 1.0, left: "50px" }],
output: [{ offset: 0.0, computedOffset: 0.0, easing: "linear",
left: "10px" },
{ offset: 0.5, computedOffset: 0.5, easing: "linear",
left: "20px" },
{ offset: 0.5, computedOffset: 0.5, easing: "linear",
left: "30px" },
{ offset: 0.5, computedOffset: 0.5, easing: "linear",
left: "40px" },
{ offset: 1.0, computedOffset: 1.0, easing: "linear",
left: "50px" }] },
{ desc: "a keyframe sequence with duplicate values for offsets 0 and 1",
input: [{ offset: 0, left: "10px" },
{ offset: 0, left: "20px" },
{ offset: 0, left: "30px" },
{ offset: 1, left: "40px" },
{ offset: 1, left: "50px" },
{ offset: 1, left: "60px" }],
output: [{ offset: 0, computedOffset: 0, easing: "linear", left: "10px" },
{ offset: 0, computedOffset: 0, easing: "linear", left: "20px" },
{ offset: 0, computedOffset: 0, easing: "linear", left: "30px" },
{ offset: 1, computedOffset: 1, easing: "linear", left: "40px" },
{ offset: 1, computedOffset: 1, easing: "linear", left: "50px" },
{ offset: 1, computedOffset: 1, easing: "linear", left: "60px" }]
},
{ desc: "a two property four keyframe sequence",
input: [{ offset: 0, left: "10px" },
{ offset: 0, top: "20px" },
{ offset: 1, top: "30px" },
{ offset: 1, left: "40px" }],
output: [{ offset: 0, computedOffset: 0, easing: "linear", left: "10px" },
{ offset: 0, computedOffset: 0, easing: "linear", top: "20px" },
{ offset: 1, computedOffset: 1, easing: "linear", top: "30px" },
{ offset: 1, computedOffset: 1, easing: "linear", left: "40px" }]
},
{ desc: "a one property keyframe sequence with some omitted offsets",
input: [{ offset: 0.00, left: "10px" },
{ offset: 0.25, left: "20px" },
{ left: "30px" },
{ left: "40px" },
{ offset: 1.00, left: "50px" }],
output: [{ offset: 0.00, computedOffset: 0.00, easing: "linear",
left: "10px" },
{ offset: 0.25, computedOffset: 0.25, easing: "linear",
left: "20px" },
{ offset: null, computedOffset: 0.50, easing: "linear",
left: "30px" },
{ offset: null, computedOffset: 0.75, easing: "linear",
left: "40px" },
{ offset: 1.00, computedOffset: 1.00, easing: "linear",
left: "50px" }] },
{ desc: "a two property keyframe sequence with some omitted offsets",
input: [{ offset: 0.00, left: "10px", top: "20px" },
{ offset: 0.25, left: "30px" },
{ left: "40px" },
{ left: "50px", top: "60px" },
{ offset: 1.00, left: "70px", top: "80px" }],
output: [{ offset: 0.00, computedOffset: 0.00, easing: "linear",
left: "10px", top: "20px" },
{ offset: 0.25, computedOffset: 0.25, easing: "linear",
left: "30px" },
{ offset: null, computedOffset: 0.50, easing: "linear",
left: "40px" },
{ offset: null, computedOffset: 0.75, easing: "linear",
left: "50px", top: "60px" },
{ offset: 1.00, computedOffset: 1.00, easing: "linear",
left: "70px", top: "80px" }] },
{ desc: "a one property keyframe sequence with all omitted offsets",
input: [{ left: "10px" },
{ left: "20px" },
{ left: "30px" },
{ left: "40px" },
{ left: "50px" }],
output: [{ offset: null, computedOffset: 0.00, easing: "linear",
left: "10px" },
{ offset: null, computedOffset: 0.25, easing: "linear",
left: "20px" },
{ offset: null, computedOffset: 0.50, easing: "linear",
left: "30px" },
{ offset: null, computedOffset: 0.75, easing: "linear",
left: "40px" },
{ offset: null, computedOffset: 1.00, easing: "linear",
left: "50px" }] },
{ desc: "a keyframe sequence with different easing values, but the same"
+ " easing value for a given offset",
input: [{ offset: 0.0, easing: "ease", left: "10px"},
{ offset: 0.0, easing: "ease", top: "20px"},
{ offset: 0.5, easing: "linear", left: "30px" },
{ offset: 0.5, easing: "linear", top: "40px" },
{ offset: 1.0, easing: "step-end", left: "50px" },
{ offset: 1.0, easing: "step-end", top: "60px" }],
output: [{ offset: 0.0, computedOffset: 0.0, easing: "ease",
left: "10px" },
{ offset: 0.0, computedOffset: 0.0, easing: "ease",
top: "20px" },
{ offset: 0.5, computedOffset: 0.5, easing: "linear",
left: "30px" },
{ offset: 0.5, computedOffset: 0.5, easing: "linear",
top: "40px" },
{ offset: 1.0, computedOffset: 1.0, easing: "step-end",
left: "50px" },
{ offset: 1.0, computedOffset: 1.0, easing: "step-end",
top: "60px" }] },
{ desc: "a keyframe sequence with different composite values, but the"
+ " same composite value for a given offset",
input: [{ offset: 0.0, composite: "replace", left: "10px" },
{ offset: 0.0, composite: "replace", top: "20px" },
{ offset: 0.5, composite: "add", left: "30px" },
{ offset: 0.5, composite: "add", top: "40px" },
{ offset: 1.0, composite: "replace", left: "50px" },
{ offset: 1.0, composite: "replace", top: "60px" }],
output: [{ offset: 0.0, computedOffset: 0.0, easing: "linear",
composite: "replace", left: "10px" },
{ offset: 0.0, computedOffset: 0.0, easing: "linear",
composite: "replace", top: "20px" },
{ offset: 0.5, computedOffset: 0.0, easing: "linear",
composite: "add", left: "30px" },
{ offset: 0.5, computedOffset: 0.0, easing: "linear",
composite: "add", top: "40px" },
{ offset: 1.0, computedOffset: 1.0, easing: "linear",
composite: "replace", left: "50px" },
{ offset: 1.0, computedOffset: 1.0, easing: "linear",
composite: "replace", top: "60px" }] },
{ desc: "a one property two keyframe sequence that needs to stringify"
+ " its values",
input: [{ offset: 0, opacity: 0 },
{ offset: 1, opacity: 1 }],
output: [{ offset: 0, computedOffset: 0, easing: "linear", opacity: "0" },
{ offset: 1, computedOffset: 1, easing: "linear", opacity: "1" }]
},
{ desc: "a keyframe sequence where shorthand precedes longhand",
input: [{ offset: 0, margin: "10px", marginRight: "20px" },
{ offset: 1, margin: "30px" }],
output: [{ offset: 0, computedOffset: 0, easing: "linear",
margin: "10px", marginRight: "20px" },
{ offset: 1, computedOffset: 1, easing: "linear",
margin: "30px" }] },
{ desc: "a keyframe sequence where longhand precedes shorthand",
input: [{ offset: 0, marginRight: "20px", margin: "10px" },
{ offset: 1, margin: "30px" }],
output: [{ offset: 0, computedOffset: 0, easing: "linear",
marginRight: "20px", margin: "10px" },
{ offset: 1, computedOffset: 1, easing: "linear",
margin: "30px" }] },
{ desc: "a keyframe sequence where lesser shorthand precedes greater"
+ " shorthand",
input: [{ offset: 0,
borderLeft: "1px solid rgb(1, 2, 3)",
border: "2px dotted rgb(4, 5, 6)" },
{ offset: 1, border: "3px dashed rgb(7, 8, 9)" }],
output: [{ offset: 0, computedOffset: 0, easing: "linear",
borderLeft: "1px solid rgb(1, 2, 3)",
border: "2px dotted rgb(4, 5, 6)" },
{ offset: 1, computedOffset: 1, easing: "linear",
border: "3px dashed rgb(7, 8, 9)" }] },
{ desc: "a keyframe sequence where greater shorthand precedes lesser"
+ " shorthand",
input: [{ offset: 0, border: "2px dotted rgb(4, 5, 6)",
borderLeft: "1px solid rgb(1, 2, 3)" },
{ offset: 1, border: "3px dashed rgb(7, 8, 9)" }],
output: [{ offset: 0, computedOffset: 0, easing: "linear",
border: "2px dotted rgb(4, 5, 6)",
borderLeft: "1px solid rgb(1, 2, 3)" },
{ offset: 1, computedOffset: 1, easing: "linear",
border: "3px dashed rgb(7, 8, 9)" }] },
];
gKeyframeSequenceTests.forEach(function(subtest) {
test(function(t) {
var effect = new KeyframeEffectReadOnly(target, subtest.input);
assert_frame_lists_equal(effect.getFrames(), subtest.output);
}, "a KeyframeEffectReadOnly can be constructed with " + subtest.desc);
test(function(t) {
var effect = new KeyframeEffectReadOnly(target, subtest.input);
var secondEffect = new KeyframeEffectReadOnly(target, effect.getFrames());
assert_frame_lists_equal(secondEffect.getFrames(), effect.getFrames());
}, "a KeyframeEffectReadOnly constructed with " + subtest.desc +
" roundtrips");
});
var gInvalidEasingInKeyframeSequenceTests = [
{ desc: "a blank easing",
input: [{ easing: "" }] },
{ desc: "an unrecognized easing",
input: [{ easing: "unrecognized" }] },
{ desc: "an 'initial' easing",
input: [{ easing: "initial" }] },
{ desc: "an 'inherit' easing",
input: [{ easing: "inherit" }] },
{ desc: "a variable easing",
input: [{ easing: "var(--x)" }] },
{ desc: "a multi-value easing",
input: [{ easing: "ease-in-out, ease-out" }] }
];
gInvalidEasingInKeyframeSequenceTests.forEach(function(subtest) {
test(function(t) {
assert_throws(new TypeError, function() {
new KeyframeEffectReadOnly(target, subtest.input);
});
}, "Invalid easing [" + subtest.desc + "] in keyframe sequence " +
"should be thrown");
});
test(function(t) {
var effect = new KeyframeEffectReadOnly(target,
{left: ["10px", "20px"]});
var timing = effect.timing;
assert_equals(timing.delay, 0, "default delay");
assert_equals(timing.endDelay, 0, "default endDelay");
assert_equals(timing.fill, "auto", "default fill");
assert_equals(timing.iterations, 1.0, "default iterations");
assert_equals(timing.iterationStart, 0.0, "default iterationStart");
assert_equals(timing.duration, "auto", "default duration");
assert_equals(timing.direction, "normal", "default direction");
assert_equals(timing.easing, "linear", "default easing");
assert_equals(effect.composite, "replace", "default composite");
assert_equals(effect.iterationComposite, "replace",
"default iterationComposite");
assert_equals(effect.spacing, "distribute",
"default spacing");
}, "a KeyframeEffectReadOnly constructed without any " +
"KeyframeEffectOptions object");
var gKeyframeEffectOptionTests = [
{ desc: "an empty KeyframeEffectOptions object",
input: { },
expected: { } },
{ desc: "a normal KeyframeEffectOptions object",
input: { delay: 1000,
fill: "auto",
iterations: 5.5,
duration: "auto",
direction: "alternate" },
expected: { delay: 1000,
fill: "auto",
iterations: 5.5,
duration: "auto",
direction: "alternate" } },
{ desc: "a double value",
input: 3000,
expected: { duration: 3000 } },
{ desc: "+Infinity",
input: Infinity,
expected: { duration: Infinity } },
{ desc: "an Infinity duration",
input: { duration: Infinity },
expected: { duration: Infinity } },
{ desc: "an auto duration",
input: { duration: "auto" },
expected: { duration: "auto" } },
{ desc: "an Infinity iterations",
input: { iterations: Infinity },
expected: { iterations: Infinity } },
{ desc: "an auto fill",
input: { fill: "auto" },
expected: { fill: "auto" } },
{ desc: "a forwards fill",
input: { fill: "forwards" },
expected: { fill: "forwards" } }
];
gKeyframeEffectOptionTests.forEach(function(stest) {
test(function(t) {
var effect = new KeyframeEffectReadOnly(target,
{left: ["10px", "20px"]},
stest.input);
// Helper function to provide default expected values when the test does
// not supply them.
var expected = function(field, defaultValue) {
return field in stest.expected ? stest.expected[field] : defaultValue;
};
var timing = effect.timing;
assert_equals(timing.delay, expected("delay", 0),
"timing delay");
assert_equals(timing.fill, expected("fill", "auto"),
"timing fill");
assert_equals(timing.iterations, expected("iterations", 1),
"timing iterations");
assert_equals(timing.duration, expected("duration", "auto"),
"timing duration");
assert_equals(timing.direction, expected("direction", "normal"),
"timing direction");
}, "a KeyframeEffectReadOnly constructed by " + stest.desc);
});
var gInvalidKeyframeEffectOptionTests = [
{ desc: "-Infinity",
input: -Infinity,
expected: { name: "TypeError" } },
{ desc: "NaN",
input: NaN,
expected: { name: "TypeError" } },
{ desc: "a negative value",
input: -1,
expected: { name: "TypeError" } },
{ desc: "a negative Infinity duration",
input: { duration: -Infinity },
expected: { name: "TypeError" } },
{ desc: "a NaN duration",
input: { duration: NaN },
expected: { name: "TypeError" } },
{ desc: "a negative duration",
input: { duration: -1 },
expected: { name: "TypeError" } },
{ desc: "a string duration",
input: { duration: "merrychristmas" },
expected: { name: "TypeError" } },
{ desc: "a negative Infinity iterations",
input: { iterations: -Infinity},
expected: { name: "TypeError" } },
{ desc: "a NaN iterations",
input: { iterations: NaN },
expected: { name: "TypeError" } },
{ desc: "a negative iterations",
input: { iterations: -1 },
expected: { name: "TypeError" } },
{ desc: "a blank easing",
input: { easing: "" },
expected: { name: "TypeError" } },
{ desc: "an unrecognized easing",
input: { easing: "unrecognised" },
expected: { name: "TypeError" } },
{ desc: "an 'initial' easing",
input: { easing: "initial" },
expected: { name: "TypeError" } },
{ desc: "an 'inherit' easing",
input: { easing: "inherit" },
expected: { name: "TypeError" } },
{ desc: "a variable easing",
input: { easing: "var(--x)" },
expected: { name: "TypeError" } },
{ desc: "a multi-value easing",
input: { easing: "ease-in-out, ease-out" },
expected: { name: "TypeError" } }
];
gInvalidKeyframeEffectOptionTests.forEach(function(stest) {
test(function(t) {
assert_throws(stest.expected, function() {
new KeyframeEffectReadOnly(target,
{ left: ["10px", "20px"] },
stest.input);
});
}, "Invalid KeyframeEffectReadOnly option by " + stest.desc);
});
test(function(t) {
var effect = new KeyframeEffect(target,
{ left: ["10px", "20px"] });
assert_class_string(effect, "KeyframeEffect");
assert_class_string(effect.timing, "AnimationEffectTiming");
}, "KeyframeEffect constructor creates an AnimationEffectTiming timing object");
test(function(t) {
var test_error = { name: "test" };
assert_throws(test_error, function() {
new KeyframeEffect(target, { get left() { throw test_error }})
});
}, "KeyframeEffect constructor propagates exceptions generated by accessing"
+ " the options object");
done();
</script>
</body>