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+'use strict';
+
+// ==============================
+//
+// Common keyframe test data
+//
+// ==============================
+
+
+// ------------------------------
+// Composite values
+// ------------------------------
+
+const gGoodKeyframeCompositeValueTests = [
+ 'replace', 'add', 'accumulate', 'auto'
+];
+
+const gBadKeyframeCompositeValueTests = [
+ 'unrecognised', 'replace ', 'Replace', null
+];
+
+const gGoodOptionsCompositeValueTests = [
+ 'replace', 'add', 'accumulate'
+];
+
+const gBadOptionsCompositeValueTests = [
+ 'unrecognised', 'replace ', 'Replace', null
+];
+
+// ------------------------------
+// Keyframes
+// ------------------------------
+
+const gEmptyKeyframeListTests = [
+ [],
+ null,
+ undefined,
+];
+
+// Helper methods to make defining computed keyframes more readable.
+
+const offset = offset => ({
+ offset,
+ computedOffset: offset,
+});
+
+const computedOffset = computedOffset => ({
+ offset: null,
+ computedOffset,
+});
+
+const keyframe = (offset, props, easing='linear', composite) => {
+ // The object spread operator is not yet available in all browsers so we use
+ // Object.assign instead.
+ const result = {};
+ Object.assign(result, offset, props, { easing });
+ result.composite = composite || 'auto';
+ return result;
+};
+
+const gKeyframesTests = [
+
+ // ----------- Property-indexed keyframes: property handling -----------
+
+ {
+ desc: 'a one property two value property-indexed keyframes specification',
+ input: { left: ['10px', '20px'] },
+ output: [keyframe(computedOffset(0), { left: '10px' }),
+ keyframe(computedOffset(1), { left: '20px' })],
+ },
+ {
+ desc: 'a one shorthand property two value property-indexed keyframes'
+ + ' specification',
+ input: { margin: ['10px', '10px 20px 30px 40px'] },
+ output: [keyframe(computedOffset(0), { margin: '10px' }),
+ keyframe(computedOffset(1), { 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: [keyframe(computedOffset(0),
+ { marginTop: '50px', margin: '10px' }),
+ keyframe(computedOffset(1),
+ { marginTop: '60px', margin: '10px 20px 30px 40px' })],
+ },
+ {
+ desc: 'a two property (one shorthand and one of its shorthand components)'
+ + ' two value property-indexed keyframes specification',
+ input: { border: ['pink', '2px'],
+ borderColor: ['green', 'blue'] },
+ output: [keyframe(computedOffset(0),
+ { border: 'pink', borderColor: 'green' }),
+ keyframe(computedOffset(1),
+ { border: '2px', borderColor: 'blue' })],
+ },
+ {
+ desc: 'a two property two value property-indexed keyframes specification',
+ input: { left: ['10px', '20px'],
+ top: ['30px', '40px'] },
+ output: [keyframe(computedOffset(0), { left: '10px', top: '30px' }),
+ keyframe(computedOffset(1), { 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: [keyframe(computedOffset(0), { left: '10px', top: '40px' }),
+ keyframe(computedOffset(0.5), { left: '20px' }),
+ keyframe(computedOffset(1), { 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: [keyframe(computedOffset(0), { left: '10px', top: '15px' }),
+ keyframe(computedOffset(0.25), { left: '20px', top: '25px' }),
+ keyframe(computedOffset(0.5), { left: '30px' }),
+ keyframe(computedOffset(0.75), { left: '40px', top: '45px' }),
+ keyframe(computedOffset(1), { 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: [keyframe(computedOffset(0), { opacity: '0' }),
+ keyframe(computedOffset(1), { opacity: '1' })],
+ },
+ {
+ desc: 'a property-indexed keyframes specification with a CSS variable'
+ + ' reference',
+ input: { left: [ 'var(--dist)', 'calc(var(--dist) + 100px)' ] },
+ output: [keyframe(computedOffset(0), { left: 'var(--dist)' }),
+ keyframe(computedOffset(1), { 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: [keyframe(computedOffset(0),
+ { margin: 'var(--dist)' }),
+ keyframe(computedOffset(1),
+ { margin: 'calc(var(--dist) + 100px)' })],
+ },
+ {
+ desc: 'a one property one value property-indexed keyframes specification',
+ input: { left: ['10px'] },
+ output: [keyframe(computedOffset(1), { left: '10px' })],
+ },
+ {
+ desc: 'a one property one non-array value property-indexed keyframes'
+ + ' specification',
+ input: { left: '10px' },
+ output: [keyframe(computedOffset(1), { left: '10px' })],
+ },
+ {
+ desc: 'a one property two value property-indexed keyframes specification'
+ + ' where the first value is invalid',
+ input: { left: ['invalid', '10px'] },
+ output: [keyframe(computedOffset(0), {}),
+ keyframe(computedOffset(1), { left: '10px' })]
+ },
+ {
+ desc: 'a one property two value property-indexed keyframes specification'
+ + ' where the second value is invalid',
+ input: { left: ['10px', 'invalid'] },
+ output: [keyframe(computedOffset(0), { left: '10px' }),
+ keyframe(computedOffset(1), {})]
+ },
+ {
+ desc: 'a property-indexed keyframes specification with a CSS variable as'
+ + ' the property',
+ input: { '--custom': ['1', '2'] },
+ output: [keyframe(computedOffset(0), { '--custom': '1' }),
+ keyframe(computedOffset(1), { '--custom': '2' })]
+ },
+
+ // ----------- Property-indexed keyframes: offset handling -----------
+
+ {
+ desc: 'a property-indexed keyframe with a single offset',
+ input: { left: ['10px', '20px', '30px'], offset: 0.5 },
+ output: [keyframe(offset(0.5), { left: '10px' }),
+ keyframe(computedOffset(0.75), { left: '20px' }),
+ keyframe(computedOffset(1), { left: '30px' })],
+ },
+ {
+ desc: 'a property-indexed keyframe with an array of offsets',
+ input: { left: ['10px', '20px', '30px'], offset: [ 0.1, 0.25, 0.8 ] },
+ output: [keyframe(offset(0.1), { left: '10px' }),
+ keyframe(offset(0.25), { left: '20px' }),
+ keyframe(offset(0.8), { left: '30px' })],
+ },
+ {
+ desc: 'a property-indexed keyframe with an array of offsets that is too'
+ + ' short',
+ input: { left: ['10px', '20px', '30px'], offset: [ 0, 0.25 ] },
+ output: [keyframe(offset(0), { left: '10px' }),
+ keyframe(offset(0.25), { left: '20px' }),
+ keyframe(computedOffset(1), { left: '30px' })],
+ },
+ {
+ desc: 'a property-indexed keyframe with an array of offsets that is too'
+ + ' long',
+ input: { left: ['10px', '20px', '30px'],
+ offset: [ 0, 0.25, 0.5, 0.75, 1 ] },
+ output: [keyframe(offset(0), { left: '10px' }),
+ keyframe(offset(0.25), { left: '20px' }),
+ keyframe(offset(0.5), { left: '30px' })],
+ },
+ {
+ desc: 'a property-indexed keyframe with an empty array of offsets',
+ input: { left: ['10px', '20px', '30px'], offset: [] },
+ output: [keyframe(computedOffset(0), { left: '10px' }),
+ keyframe(computedOffset(0.5), { left: '20px' }),
+ keyframe(computedOffset(1), { left: '30px' })],
+ },
+ {
+ desc: 'a property-indexed keyframe with an array of offsets with an'
+ + ' embedded null value',
+ input: { left: ['10px', '20px', '30px'],
+ offset: [ 0, null, 0.5 ] },
+ output: [keyframe(offset(0), { left: '10px' }),
+ keyframe(computedOffset(0.25), { left: '20px' }),
+ keyframe(offset(0.5), { left: '30px' })],
+ },
+ {
+ desc: 'a property-indexed keyframe with an array of offsets with a'
+ + ' trailing null value',
+ input: { left: ['10px', '20px', '30px'],
+ offset: [ 0, 0.25, null ] },
+ output: [keyframe(offset(0), { left: '10px' }),
+ keyframe(offset(0.25), { left: '20px' }),
+ keyframe(computedOffset(1), { left: '30px' })],
+ },
+ {
+ desc: 'a property-indexed keyframe with an array of offsets with leading'
+ + ' and trailing null values',
+ input: { left: ['10px', '20px', '30px'],
+ offset: [ null, 0.25, null ] },
+ output: [keyframe(computedOffset(0), { left: '10px' }),
+ keyframe(offset(0.25), { left: '20px' }),
+ keyframe(computedOffset(1), { left: '30px' })],
+ },
+ {
+ desc: 'a property-indexed keyframe with an array of offsets with'
+ + ' adjacent null values',
+ input: { left: ['10px', '20px', '30px'],
+ offset: [ null, null, 0.5 ] },
+ output: [keyframe(computedOffset(0), { left: '10px' }),
+ keyframe(computedOffset(0.25), { left: '20px' }),
+ keyframe(offset(0.5), { left: '30px' })],
+ },
+ {
+ desc: 'a property-indexed keyframe with an array of offsets with'
+ + ' all null values (and too many at that)',
+ input: { left: ['10px', '20px', '30px'],
+ offset: [ null, null, null, null, null ] },
+ output: [keyframe(computedOffset(0), { left: '10px' }),
+ keyframe(computedOffset(0.5), { left: '20px' }),
+ keyframe(computedOffset(1), { left: '30px' })],
+ },
+ {
+ desc: 'a property-indexed keyframe with a single null offset',
+ input: { left: ['10px', '20px', '30px'], offset: null },
+ output: [keyframe(computedOffset(0), { left: '10px' }),
+ keyframe(computedOffset(0.5), { left: '20px' }),
+ keyframe(computedOffset(1), { left: '30px' })],
+ },
+ {
+ desc: 'a property-indexed keyframe with an array of offsets that is not'
+ + ' strictly ascending in the unused part of the array',
+ input: { left: ['10px', '20px', '30px'],
+ offset: [ 0, 0.2, 0.8, 0.6 ] },
+ output: [keyframe(offset(0), { left: '10px' }),
+ keyframe(offset(0.2), { left: '20px' }),
+ keyframe(offset(0.8), { left: '30px' })],
+ },
+
+ // ----------- Property-indexed keyframes: easing handling -----------
+
+ {
+ desc: 'a property-indexed keyframe without any specified easing',
+ input: { left: ['10px', '20px', '30px'] },
+ output: [keyframe(computedOffset(0), { left: '10px' }, 'linear'),
+ keyframe(computedOffset(0.5), { left: '20px' }, 'linear'),
+ keyframe(computedOffset(1), { left: '30px' }, 'linear')],
+ },
+ {
+ desc: 'a property-indexed keyframe with a single easing',
+ input: { left: ['10px', '20px', '30px'], easing: 'ease-in' },
+ output: [keyframe(computedOffset(0), { left: '10px' }, 'ease-in'),
+ keyframe(computedOffset(0.5), { left: '20px' }, 'ease-in'),
+ keyframe(computedOffset(1), { left: '30px' }, 'ease-in')],
+ },
+ {
+ desc: 'a property-indexed keyframe with an array of easings',
+ input: { left: ['10px', '20px', '30px'],
+ easing: ['ease-in', 'ease-out', 'ease-in-out'] },
+ output: [keyframe(computedOffset(0), { left: '10px' }, 'ease-in'),
+ keyframe(computedOffset(0.5), { left: '20px' }, 'ease-out'),
+ keyframe(computedOffset(1), { left: '30px' }, 'ease-in-out')],
+ },
+ {
+ desc: 'a property-indexed keyframe with an array of easings that is too'
+ + ' short',
+ input: { left: ['10px', '20px', '30px'],
+ easing: ['ease-in', 'ease-out'] },
+ output: [keyframe(computedOffset(0), { left: '10px' }, 'ease-in'),
+ keyframe(computedOffset(0.5), { left: '20px' }, 'ease-out'),
+ keyframe(computedOffset(1), { left: '30px' }, 'ease-in')],
+ },
+ {
+ desc: 'a property-indexed keyframe with a single-element array of'
+ + ' easings',
+ input: { left: ['10px', '20px', '30px'], easing: ['ease-in'] },
+ output: [keyframe(computedOffset(0), { left: '10px' }, 'ease-in'),
+ keyframe(computedOffset(0.5), { left: '20px' }, 'ease-in'),
+ keyframe(computedOffset(1), { left: '30px' }, 'ease-in')],
+ },
+ {
+ desc: 'a property-indexed keyframe with an empty array of easings',
+ input: { left: ['10px', '20px', '30px'], easing: [] },
+ output: [keyframe(computedOffset(0), { left: '10px' }, 'linear'),
+ keyframe(computedOffset(0.5), { left: '20px' }, 'linear'),
+ keyframe(computedOffset(1), { left: '30px' }, 'linear')],
+ },
+ {
+ desc: 'a property-indexed keyframe with an array of easings that is too'
+ + ' long',
+ input: { left: ['10px', '20px', '30px'],
+ easing: ['steps(1)', 'steps(2)', 'steps(3)', 'steps(4)'] },
+ output: [keyframe(computedOffset(0), { left: '10px' }, 'steps(1)'),
+ keyframe(computedOffset(0.5), { left: '20px' }, 'steps(2)'),
+ keyframe(computedOffset(1), { left: '30px' }, 'steps(3)')],
+ },
+
+ // ----------- Property-indexed keyframes: composite handling -----------
+
+ {
+ desc: 'a property-indexed keyframe with a single composite operation',
+ input: { left: ['10px', '20px', '30px'], composite: 'add' },
+ output: [keyframe(computedOffset(0), { left: '10px' }, 'linear', 'add'),
+ keyframe(computedOffset(0.5), { left: '20px' }, 'linear', 'add'),
+ keyframe(computedOffset(1), { left: '30px' }, 'linear', 'add')],
+ },
+ {
+ desc: 'a property-indexed keyframe with a composite array',
+ input: { left: ['10px', '20px', '30px'],
+ composite: ['add', 'replace', 'accumulate'] },
+ output: [keyframe(computedOffset(0), { left: '10px' },
+ 'linear', 'add'),
+ keyframe(computedOffset(0.5), { left: '20px' },
+ 'linear', 'replace'),
+ keyframe(computedOffset(1), { left: '30px' },
+ 'linear', 'accumulate')],
+ },
+ {
+ desc: 'a property-indexed keyframe with a composite array that is too'
+ + ' short',
+ input: { left: ['10px', '20px', '30px', '40px', '50px'],
+ composite: ['add', 'replace'] },
+ output: [keyframe(computedOffset(0), { left: '10px' },
+ 'linear', 'add'),
+ keyframe(computedOffset(0.25), { left: '20px' },
+ 'linear', 'replace'),
+ keyframe(computedOffset(0.5), { left: '30px' },
+ 'linear', 'add'),
+ keyframe(computedOffset(0.75), { left: '40px' },
+ 'linear', 'replace'),
+ keyframe(computedOffset(1), { left: '50px' },
+ 'linear', 'add')],
+ },
+ {
+ desc: 'a property-indexed keyframe with a composite array that is too'
+ + ' long',
+ input: { left: ['10px', '20px'],
+ composite: ['add', 'replace', 'accumulate'] },
+ output: [keyframe(computedOffset(0), { left: '10px' },
+ 'linear', 'add'),
+ keyframe(computedOffset(1), { left: '20px' },
+ 'linear', 'replace')],
+ },
+ {
+ desc: 'a property-indexed keyframe with a single-element composite array',
+ input: { left: ['10px', '20px', '30px'],
+ composite: ['add'] },
+ output: [keyframe(computedOffset(0), { left: '10px' }, 'linear', 'add'),
+ keyframe(computedOffset(0.5), { left: '20px' }, 'linear', 'add'),
+ keyframe(computedOffset(1), { left: '30px' }, 'linear', 'add')],
+ },
+
+ // ----------- Keyframe sequence: property handling -----------
+
+ {
+ desc: 'a one property one keyframe sequence',
+ input: [{ offset: 1, left: '10px' }],
+ output: [keyframe(offset(1), { left: '10px' })],
+ },
+ {
+ desc: 'a one property two keyframe sequence',
+ input: [{ offset: 0, left: '10px' },
+ { offset: 1, left: '20px' }],
+ output: [keyframe(offset(0), { left: '10px' }),
+ keyframe(offset(1), { left: '20px' })],
+ },
+ {
+ desc: 'a two property two keyframe sequence',
+ input: [{ offset: 0, left: '10px', top: '30px' },
+ { offset: 1, left: '20px', top: '40px' }],
+ output: [keyframe(offset(0), { left: '10px', top: '30px' }),
+ keyframe(offset(1), { 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: [keyframe(offset(0), { margin: '10px' }),
+ keyframe(offset(1), { 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: [keyframe(offset(0), { margin: '10px', marginTop: '20px' }),
+ keyframe(offset(1), { marginTop: '70px',
+ margin: '30px 40px 50px 60px' })],
+ },
+ {
+ 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: [keyframe(offset(0), { left: '10px' }),
+ keyframe(offset(1), { 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: [keyframe(offset(0), { left: '10px', top: '20px' }),
+ keyframe(offset(1), { left: '30px' })],
+ },
+ {
+ desc: 'a one property two keyframe sequence that needs to stringify'
+ + ' its values',
+ input: [{ offset: 0, opacity: 0 },
+ { offset: 1, opacity: 1 }],
+ output: [keyframe(offset(0), { opacity: '0' }),
+ keyframe(offset(1), { opacity: '1' })],
+ },
+ {
+ desc: 'a keyframe sequence with a CSS variable reference',
+ input: [{ left: 'var(--dist)' },
+ { left: 'calc(var(--dist) + 100px)' }],
+ output: [keyframe(computedOffset(0), { left: 'var(--dist)' }),
+ keyframe(computedOffset(1), { 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: [keyframe(computedOffset(0),
+ { margin: 'var(--dist)' }),
+ keyframe(computedOffset(1),
+ { margin: 'calc(var(--dist) + 100px)' })],
+ },
+ {
+ desc: 'a keyframe sequence with a CSS variable as its property',
+ input: [{ '--custom': 'a' },
+ { '--custom': 'b' }],
+ output: [keyframe(computedOffset(0), { '--custom': 'a' }),
+ keyframe(computedOffset(1), { '--custom': 'b' })]
+ },
+
+ // ----------- Keyframe sequence: offset handling -----------
+
+ {
+ 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: [keyframe(offset(0), { left: '10px' }),
+ keyframe(offset(0.5), { left: '20px' }),
+ keyframe(offset(0.5), { left: '30px' }),
+ keyframe(offset(0.5), { left: '40px' }),
+ keyframe(offset(1), { 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: [keyframe(offset(0), { left: '10px' }),
+ keyframe(offset(0), { left: '20px' }),
+ keyframe(offset(0), { left: '30px' }),
+ keyframe(offset(1), { left: '40px' }),
+ keyframe(offset(1), { left: '50px' }),
+ keyframe(offset(1), { 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: [keyframe(offset(0), { left: '10px' }),
+ keyframe(offset(0), { top: '20px' }),
+ keyframe(offset(1), { top: '30px' }),
+ keyframe(offset(1), { left: '40px' })],
+ },
+ {
+ desc: 'a single keyframe sequence with omitted offset',
+ input: [{ left: '10px' }],
+ output: [keyframe(computedOffset(1), { left: '10px' })],
+ },
+ {
+ desc: 'a single keyframe sequence with null offset',
+ input: [{ offset: null, left: '10px' }],
+ output: [keyframe(computedOffset(1), { left: '10px' })],
+ },
+ {
+ desc: 'a single keyframe sequence with string offset',
+ input: [{ offset: '0.5', left: '10px' }],
+ output: [keyframe(offset(0.5), { 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: [keyframe(offset(0), { left: '10px' }),
+ keyframe(offset(0.25), { left: '20px' }),
+ keyframe(computedOffset(0.5), { left: '30px' }),
+ keyframe(computedOffset(0.75), { left: '40px' }),
+ keyframe(offset(1), { left: '50px' })],
+ },
+ {
+ desc: 'a one property keyframe sequence with some null offsets',
+ input: [{ offset: 0.00, left: '10px' },
+ { offset: 0.25, left: '20px' },
+ { offset: null, left: '30px' },
+ { offset: null, left: '40px' },
+ { offset: 1.00, left: '50px' }],
+ output: [keyframe(offset(0), { left: '10px' }),
+ keyframe(offset(0.25), { left: '20px' }),
+ keyframe(computedOffset(0.5), { left: '30px' }),
+ keyframe(computedOffset(0.75), { left: '40px' }),
+ keyframe(offset(1), { 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: [keyframe(offset(0), { left: '10px', top: '20px' }),
+ keyframe(offset(0.25), { left: '30px' }),
+ keyframe(computedOffset(0.5), { left: '40px' }),
+ keyframe(computedOffset(0.75), { left: '50px', top: '60px' }),
+ keyframe(offset(1), { 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: [keyframe(computedOffset(0), { left: '10px' }),
+ keyframe(computedOffset(0.25), { left: '20px' }),
+ keyframe(computedOffset(0.5), { left: '30px' }),
+ keyframe(computedOffset(0.75), { left: '40px' }),
+ keyframe(computedOffset(1), { left: '50px' })],
+ },
+
+ // ----------- Keyframe sequence: easing handling -----------
+
+ {
+ 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: [keyframe(offset(0), { left: '10px' }, 'ease'),
+ keyframe(offset(0), { top: '20px' }, 'ease'),
+ keyframe(offset(0.5), { left: '30px' }, 'linear'),
+ keyframe(offset(0.5), { top: '40px' }, 'linear'),
+ keyframe(offset(1), { left: '50px' }, 'steps(1)'),
+ keyframe(offset(1), { top: '60px' }, 'steps(1)')],
+ },
+
+ // ----------- Keyframe sequence: composite handling -----------
+
+ {
+ 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: [keyframe(offset(0), { left: '10px' }, 'linear', 'replace'),
+ keyframe(offset(0), { top: '20px' }, 'linear', 'replace'),
+ keyframe(offset(0.5), { left: '30px' }, 'linear', 'add'),
+ keyframe(offset(0.5), { top: '40px' }, 'linear', 'add'),
+ keyframe(offset(1), { left: '50px' }, 'linear', 'replace'),
+ keyframe(offset(1), { top: '60px' }, 'linear', 'replace')],
+ },
+];
+
+const gInvalidKeyframesTests = [
+ {
+ desc: 'keyframes with an out-of-bounded positive offset',
+ input: [ { opacity: 0 },
+ { opacity: 0.5, offset: 2 },
+ { opacity: 1 } ],
+ },
+ {
+ desc: 'keyframes with an out-of-bounded negative offset',
+ input: [ { opacity: 0 },
+ { opacity: 0.5, offset: -1 },
+ { opacity: 1 } ],
+ },
+ {
+ desc: 'property-indexed keyframes not loosely sorted by offset',
+ input: { opacity: [ 0, 1 ], offset: [ 1, 0 ] },
+ },
+ {
+ desc: 'property-indexed keyframes not loosely sorted by offset even'
+ + ' though not all offsets are specified',
+ input: { opacity: [ 0, 0.5, 1 ], offset: [ 0.5, 0 ] },
+ },
+ {
+ desc: 'property-indexed keyframes with offsets out of range',
+ input: { opacity: [ 0, 0.5, 1 ], offset: [ 0, 1.1 ] },
+ },
+ {
+ desc: 'keyframes not loosely sorted by offset',
+ input: [ { opacity: 0, offset: 1 },
+ { opacity: 1, offset: 0 } ],
+ },
+ {
+ desc: 'property-indexed keyframes with an invalid easing value',
+ input: { opacity: [ 0, 0.5, 1 ],
+ easing: 'inherit' },
+ },
+ {
+ desc: 'property-indexed keyframes with an invalid easing value as one of'
+ + ' the array values',
+ input: { opacity: [ 0, 0.5, 1 ],
+ easing: [ 'ease-in', 'inherit' ] },
+ },
+ {
+ desc: 'property-indexed keyframe with an invalid easing in the unused'
+ + ' part of the array of easings',
+ input: { left: ['10px', '20px', '30px'],
+ easing: ['steps(1)', 'steps(2)', 'steps(3)', 'invalid'] },
+ },
+ {
+ desc: 'empty property-indexed keyframe with an invalid easing',
+ input: { easing: 'invalid' },
+ },
+ {
+ desc: 'empty property-indexed keyframe with an invalid easings array',
+ input: { easing: ['invalid'] },
+ },
+ {
+ desc: 'a keyframe sequence with an invalid easing value',
+ input: [ { opacity: 0, easing: 'jumpy' },
+ { opacity: 1 } ],
+ },
+ {
+ desc: 'property-indexed keyframes with an invalid composite value',
+ input: { opacity: [ 0, 0.5, 1 ],
+ composite: 'alternate' },
+ },
+ {
+ desc: 'property-indexed keyframes with an invalid composite value as one'
+ + ' of the array values',
+ input: { opacity: [ 0, 0.5, 1 ],
+ composite: [ 'add', 'alternate' ] },
+ },
+ {
+ desc: 'keyframes with an invalid composite value',
+ input: [ { opacity: 0, composite: 'alternate' },
+ { opacity: 1 } ],
+ },
+];
+
+
+const gKeyframeSerializationTests = [
+ {
+ desc: 'a on keyframe sequence which requires value serilaization of its'
+ + ' values',
+ input: [{offset: 0, backgroundColor: 'rgb(1,2,3)' }],
+ output: [keyframe(offset(0), { backgroundColor: 'rgb(1, 2, 3)' })],
+ },
+];
+
+
+
+// ------------------------------
+// KeyframeEffectOptions
+// ------------------------------
+
+const 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' },
+ }
+];
+
+const gInvalidKeyframeEffectOptionTests = [
+ { desc: '-Infinity', input: -Infinity },
+ { desc: 'NaN', input: NaN },
+ { desc: 'a negative value', input: -1 },
+ { desc: 'a negative Infinity duration', input: { duration: -Infinity } },
+ { desc: 'a NaN duration', input: { duration: NaN } },
+ { desc: 'a negative duration', input: { duration: -1 } },
+ { desc: 'a string duration', input: { duration: 'merrychristmas' } },
+ { desc: 'a negative Infinity iterations', input: { iterations: -Infinity} },
+ { desc: 'a NaN iterations', input: { iterations: NaN } },
+ { desc: 'a negative iterations', input: { iterations: -1 } },
+ { desc: 'a blank easing', input: { easing: '' } },
+ { desc: 'an unrecognized easing', input: { easing: 'unrecognised' } },
+ { 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' } },
+];
+
+// There is currently only ScrollTimeline that can be constructed and used here
+// beyond document timeline. Given that ScrollTimeline is not stable as of yet
+// it's tested in scroll-animations/animation-with-animatable-interface.html.
+const gAnimationTimelineTests = [
+ {
+ expectedTimeline: document.timeline,
+ expectedTimelineDescription: 'document.timeline',
+ description: 'with no timeline parameter'
+ },
+ {
+ timeline: undefined,
+ expectedTimeline: document.timeline,
+ expectedTimelineDescription: 'document.timeline',
+ description: 'with undefined timeline'
+ },
+ {
+ timeline: null,
+ expectedTimeline: null,
+ expectedTimelineDescription: 'null',
+ description: 'with null timeline'
+ },
+ {
+ timeline: document.timeline,
+ expectedTimeline: document.timeline,
+ expectedTimelineDescription: 'document.timeline',
+ description: 'with DocumentTimeline'
+ },
+]; \ No newline at end of file
generated by cgit v1.2.3 (git 2.39.1) at 2025-02-02 13:46:28 +0000