<!DOCTYPE html>
<meta charset="UTF-8">
<style>
.parent {
stroke-dasharray: 30 10;
}
.target {
font-size: 16px;
}
</style>
<body>
<template id="target-template">
<svg height="400" width="5">
<path d="M0,0 l0,400" class="target">
</svg>
</template>
<script src="../interpolation/resources/interpolation-test.js"></script>
<script>
// Basic case
assertComposition({
property: 'stroke-dasharray',
underlying: '5 5',
addFrom: '0 5',
addTo: '10 15',
}, [
{at: -0.6, is: ' 0 4'}, // Values must be non-negative.
{at: -0.4, is: ' 1 6'},
{at: -0.2, is: ' 3 8'},
{at: 0, is: ' 5 10'},
{at: 0.2, is: ' 7 12'},
{at: 0.4, is: ' 9 14'},
{at: 0.6, is: '11 16'},
{at: 0.8, is: '13 18'},
{at: 1, is: '15 20'},
{at: 1.2, is: '17 22'},
]);
assertComposition({
property: 'stroke-dasharray',
underlying: '10 10',
replaceFrom: '5 10',
addTo: '5 10',
}, [
{at: -0.6, is: ' 0 4'}, // Values must be non-negative.
{at: -0.4, is: ' 1 6'},
{at: -0.2, is: ' 3 8'},
{at: 0, is: ' 5 10'},
{at: 0.2, is: ' 7 12'},
{at: 0.4, is: ' 9 14'},
{at: 0.6, is: '11 16'},
{at: 0.8, is: '13 18'},
{at: 1, is: '15 20'},
{at: 1.2, is: '17 22'},
]);
assertComposition({
property: 'stroke-dasharray',
underlying: '10 30',
addFrom: 'none',
addTo: '10 10',
}, [
{at: -1.5, is: 'none'},
{at: -0.5, is: 'none'},
{at: 0, is: 'none'},
{at: 0.4, is: 'none'},
{at: 0.5, is: '20 40'},
{at: 0.6, is: '20 40'},
{at: 1, is: '20 40'},
{at: 1.5, is: '20 40'},
]);
// Differing list lengths
// Lists are repeated until length is equal to lowest common multiple of lengths.
assertComposition({
property: 'stroke-dasharray',
underlying: '0 5',
addFrom: '5',
replaceTo: '15 20 25',
}, [
{at: -0.2, is: ' 3 8 1 9 2 7'},
{at: 0, is: ' 5 10 5 10 5 10'},
{at: 0.2, is: ' 7 12 9 11 8 13'},
{at: 0.4, is: ' 9 14 13 12 11 16'},
{at: 0.6, is: '11 16 17 13 14 19'},
{at: 0.8, is: '13 18 21 14 17 22'},
{at: 1, is: '15 20 25 15 20 25'},
{at: 1.2, is: '17 22 29 16 23 28'},
]);
// Lowest common multiple of list lengths not equal to multiple of list lengths
assertComposition({
property: 'stroke-dasharray',
underlying: '10 30',
replaceFrom: '5 10 15 20',
addTo: '15 0 25 10 35 20',
}, [
{at: -0.2, is: ' 1 6 11 16 0 2 13 18 0 4 9 14'}, // Values must be non-negative.
{at: 0, is: ' 5 10 15 20 5 10 15 20 5 10 15 20'},
{at: 0.2, is: ' 9 14 19 24 13 18 17 22 11 16 21 26'},
{at: 0.4, is: '13 18 23 28 21 26 19 24 17 22 27 32'},
{at: 0.6, is: '17 22 27 32 29 34 21 26 23 28 33 38'},
{at: 0.8, is: '21 26 31 36 37 42 23 28 29 34 39 44'},
{at: 1, is: '25 30 35 40 45 50 25 30 35 40 45 50'},
{at: 1.2, is: '29 34 39 44 53 58 27 32 41 46 51 56'},
]);
// One list has odd length
assertComposition({
property: 'stroke-dasharray',
underlying: '10 20',
replaceFrom: '5 10 15',
addTo: '10 5 20 15',
}, [
{at: -0.2, is: ' 2 7 12 0 8 13 0 5 14 1 6 11'}, // Values must be non-negative.
{at: 0, is: ' 5 10 15 5 10 15 5 10 15 5 10 15'},
{at: 0.2, is: ' 8 13 18 11 12 17 10 15 16 9 14 19'},
{at: 0.4, is: '11 16 21 17 14 19 15 20 17 13 18 23'},
{at: 0.6, is: '14 19 24 23 16 21 20 25 18 17 22 27'},
{at: 0.8, is: '17 22 27 29 18 23 25 30 19 21 26 31'},
{at: 1, is: '20 25 30 35 20 25 30 35 20 25 30 35'},
{at: 1.2, is: '23 28 33 41 22 27 35 40 21 29 34 39'},
]);
// Both lists have odd length
assertComposition({
property: 'stroke-dasharray',
underlying: '5',
addFrom: '0 5 10',
addTo: '15 20 25 30 35',
}, [
{at: -0.2, is: ' 2 7 12 0 4 14 1 6 11 0 8 13 0 5 10'}, // Values must be non-negative.
{at: 0, is: ' 5 10 15 5 10 15 5 10 15 5 10 15 5 10 15'},
{at: 0.2, is: ' 8 13 18 11 16 16 9 14 19 12 12 17 10 15 20'},
{at: 0.4, is: '11 16 21 17 22 17 13 18 23 19 14 19 15 20 25'},
{at: 0.6, is: '14 19 24 23 28 18 17 22 27 26 16 21 20 25 30'},
{at: 0.8, is: '17 22 27 29 34 19 21 26 31 33 18 23 25 30 35'},
{at: 1, is: '20 25 30 35 40 20 25 30 35 40 20 25 30 35 40'},
{at: 1.2, is: '23 28 33 41 46 21 29 34 39 47 22 27 35 40 45'},
]);
// Mixed units
assertComposition({
property: 'stroke-dasharray',
underlying: '1em',
addFrom: '9em 14px',
addTo: '304px 1.5em',
}, [
{at: -0.2, is: '8em 28px'},
{at: 0, is: '10em 30px'},
{at: 0.2, is: '12em 32px'},
{at: 0.4, is: '14em 34px'},
{at: 0.6, is: '16em 36px'},
{at: 0.8, is: '18em 38px'},
{at: 1, is: '20em 40px'},
{at: 1.2, is: '22em 42px'},
]);
</script>
</body>
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