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|
"use strict";
// Utility functions and common keyframe test data.
// ------------------------------
// Helper functions
// ------------------------------
/**
* Test equality between two lists of computed keyframes
* @param {Array.<ComputedKeyframe>} a - actual computed keyframes
* @param {Array.<ComputedKeyframe>} b - expected computed keyframes
*/
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);
}
}
/** Helper */
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);
}
}
// ------------------------------
// Easing values
// ------------------------------
// [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"],
];
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" }] }
];
// ------------------------------
// Composite values
// ------------------------------
var gGoodKeyframeCompositeValueTests = [
"replace", "add", "accumulate", undefined
];
var gGoodOptionsCompositeValueTests = [
"replace", "add", "accumulate"
];
var gBadCompositeValueTests = [
"unrecognised", "replace ", "Replace", null
];
// ------------------------------
// Keyframes
// ------------------------------
var gEmptyKeyframeListTests = [
[],
null,
undefined,
];
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 property-indexed keyframes specification with a CSS variable"
+ " reference",
input: { left: [ "var(--dist)", "calc(var(--dist) + 100px)" ] },
output: [{ offset: null, computedOffset: 0.0, easing: "linear",
left: "var(--dist)" },
{ offset: null, computedOffset: 1.0, easing: "linear",
left: "calc(var(--dist) + 100px)" }] },
{ desc: "a property-indexed keyframes specification with a CSS variable"
+ " reference in a shorthand property",
input: { margin: [ "var(--dist)", "calc(var(--dist) + 100px)" ] },
output: [{ offset: null, computedOffset: 0.0, easing: "linear",
margin: "var(--dist)" },
{ offset: null, computedOffset: 1.0, easing: "linear",
margin: "calc(var(--dist) + 100px)" }] },
{ 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" }] },
];
var gKeyframeSequenceTests = [
{ desc: "a one property one keyframe sequence",
input: [{ offset: 1, left: "10px" }],
output: [{ offset: null, computedOffset: 1, easing: "linear",
left: "10px" }] },
{ 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 single keyframe sequence with omitted offsets",
input: [{ left: "10px" }],
output: [{ offset: null, computedOffset: 1, easing: "linear",
left: "10px" }] },
{ desc: "a single keyframe sequence with string offset",
input: [{ offset: '0.5', left: "10px" }],
output: [{ offset: 0.5, computedOffset: 1, easing: "linear",
left: "10px" }] },
{ 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: "steps(1)",
left: "50px" },
{ offset: 1.0, computedOffset: 1.0, easing: "steps(1)",
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 with a CSS variable reference",
input: [{ left: "var(--dist)" },
{ left: "calc(var(--dist) + 100px)" }],
output: [{ offset: null, computedOffset: 0.0, easing: "linear",
left: "var(--dist)" },
{ offset: null, computedOffset: 1.0, easing: "linear",
left: "calc(var(--dist) + 100px)" }] },
{ desc: "a keyframe sequence with a CSS variable reference in a shorthand"
+ " property",
input: [{ margin: "var(--dist)" },
{ margin: "calc(var(--dist) + 100px)" }],
output: [{ offset: null, computedOffset: 0.0, easing: "linear",
margin: "var(--dist)" },
{ offset: null, computedOffset: 1.0, easing: "linear",
margin: "calc(var(--dist) + 100px)" }] },
{ 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)" }] },
{ desc: "a two property keyframe sequence 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 keyframe sequence 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 keyframe sequence with repeated values at offset 1 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: "steps(1)",
left: "500px" }] },
];
var gInvalidKeyframesTests = [
{ desc: "keyframes with an out-of-bounded positive offset",
input: [ { opacity: 0 },
{ opacity: 0.5, offset: 2 },
{ opacity: 1 } ],
expected: { name: "TypeError" } },
{ desc: "keyframes with an out-of-bounded negative offset",
input: [ { opacity: 0 },
{ opacity: 0.5, offset: -1 },
{ opacity: 1 } ],
expected: { name: "TypeError" } },
{ desc: "keyframes not loosely sorted by offset",
input: [ { opacity: 0, offset: 1 },
{ opacity: 1, offset: 0 } ],
expected: { name: "TypeError" } },
{ desc: "property-indexed keyframes with an invalid easing value",
input: { opacity: [ 0, 0.5, 1 ],
easing: "inherit" },
expected: { name: "TypeError" } },
{ desc: "a keyframe sequence with an invalid easing value",
input: [ { opacity: 0, easing: "jumpy" },
{ opacity: 1 } ],
expected: { name: "TypeError" } },
{ desc: "keyframes with an invalid composite value",
input: [ { opacity: 0, composite: "alternate" },
{ opacity: 1 } ],
expected: { name: "TypeError" } }
];
// ------------------------------
// KeyframeEffectOptions
// ------------------------------
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" } }
];
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" } }
];
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