<!DOCTYPE html>
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=utf-8" />
</head>
<body>
<template id="target-template">
<svg width="90" height="90">
<path class="target" />
</svg>
</template>
<script src="resources/interpolation-test.js"></script>
<script>
'use strict';

// Distinct number of path segments
assertAttributeInterpolation({
  property: 'd',
  from: 'm 0 0 h 1 h 2',
  to: 'm 0 0 h 3'
}, [
  {at: -0.4, is: 'm 0 0 h 1 h 2'},
  {at: 0, is: 'm 0 0 h 1 h 2'},
  {at: 0.2, is: 'm 0 0 h 1 h 2'},
  {at: 0.6, is: 'm 0 0 h 3'},
  {at: 1, is: 'm 0 0 h 3'},
  {at: 1.4, is: 'm 0 0 h 3'}
]);

// Distinct segment types
assertAttributeInterpolation({
  property: 'd',
  from: 'm 10 0 h 1',
  to: 'm 20 0 v 2'
}, [
  {at: -0.4, is: 'm 10 0 h 1'},
  {at: 0, is: 'm 10 0 h 1'},
  {at: 0.2, is: 'm 10 0 h 1'},
  {at: 0.6, is: 'm 20 0 v 2'},
  {at: 1, is: 'm 20 0 v 2'},
  {at: 1.4, is: 'm 20 0 v 2'}
]);

assertAttributeInterpolation({
  property: 'd',
  from: 'm 1 2 l 3 4 z',
  to: 'm 1 2 l 3 4'
}, [
  {at: -0.4, is: 'm 1 2 l 3 4 z'},
  {at: 0, is: 'm 1 2 l 3 4 z'},
  {at: 0.2, is: 'm 1 2 l 3 4 z'},
  {at: 0.6, is: 'm 1 2 l 3 4'},
  {at: 1, is: 'm 1 2 l 3 4'},
  {at: 1.4, is: 'm 1 2 l 3 4'}
]);

// Exercise each segment type
assertAttributeInterpolation({
  property: 'd',
  from: 'm 0 0 z',
  to: 'm 0 0 z'
}, [
  {at: -0.4, is: 'm 0 0 z'},
  {at: 0, is: 'm 0 0 z'},
  {at: 0.2, is: 'm 0 0 z'},
  {at: 0.6, is: 'm 0 0 z'},
  {at: 1, is: 'm 0 0 z'},
  {at: 1.4, is: 'm 0 0 z'}
]);

assertAttributeInterpolation({
  property: 'd',
  from: 'M 20 50',
  to: 'M 30 70'
}, [
  {at: -0.4, is: 'M 16 42'},
  {at: 0, is: 'M 20 50'},
  {at: 0.2, is: 'M 22 54'},
  {at: 0.6, is: 'M 26 62'},
  {at: 1, is: 'M 30 70'},
  {at: 1.4, is: 'M 34 78'}
]);

assertAttributeInterpolation({
  property: 'd',
  from: 'm 20 50',
  to: 'm 30 70'
}, [
  {at: -0.4, is: 'm 16 42'},
  {at: 0, is: 'm 20 50'},
  {at: 0.2, is: 'm 22 54'},
  {at: 0.6, is: 'm 26 62'},
  {at: 1, is: 'm 30 70'},
  {at: 1.4, is: 'm 34 78'}
]);

assertAttributeInterpolation({
  property: 'd',
  from: 'm 0 0 L 20 50',
  to: 'm 0 0 L 30 70'
}, [
  {at: -0.4, is: 'm 0 0 L 16 42'},
  {at: 0, is: 'm 0 0 L 20 50'},
  {at: 0.2, is: 'm 0 0 L 22 54'},
  {at: 0.6, is: 'm 0 0 L 26 62'},
  {at: 1, is: 'm 0 0 L 30 70'},
  {at: 1.4, is: 'm 0 0 L 34 78'}
]);

assertAttributeInterpolation({
  property: 'd',
  from: 'm 0 0 l 20 50',
  to: 'm 0 0 l 30 70'
}, [
  {at: -0.4, is: 'm 0 0 l 16 42'},
  {at: 0, is: 'm 0 0 l 20 50'},
  {at: 0.2, is: 'm 0 0 l 22 54'},
  {at: 0.6, is: 'm 0 0 l 26 62'},
  {at: 1, is: 'm 0 0 l 30 70'},
  {at: 1.4, is: 'm 0 0 l 34 78'}
]);

assertAttributeInterpolation({
  property: 'd',
  from: 'm 0 0 C 32 42 52 62 12 22',
  to: 'm 0 0 C 37 47 57 67 17 27'
}, [
  {at: -0.4, is: 'm 0 0 C 30 40 50 60 10 20'},
  {at: 0, is: 'm 0 0 C 32 42 52 62 12 22'},
  {at: 0.2, is: 'm 0 0 C 33 43 53 63 13 23'},
  {at: 0.6, is: 'm 0 0 C 35 45 55 65 15 25'},
  {at: 1, is: 'm 0 0 C 37 47 57 67 17 27'},
  {at: 1.4, is: 'm 0 0 C 39 49 59 69 19 29'}
]);

assertAttributeInterpolation({
  property: 'd',
  from: 'm 0 0 c 32 42 52 62 12 22',
  to: 'm 0 0 c 37 47 57 67 17 27'
}, [
  {at: -0.4, is: 'm 0 0 c 30 40 50 60 10 20'},
  {at: 0, is: 'm 0 0 c 32 42 52 62 12 22'},
  {at: 0.2, is: 'm 0 0 c 33 43 53 63 13 23'},
  {at: 0.6, is: 'm 0 0 c 35 45 55 65 15 25'},
  {at: 1, is: 'm 0 0 c 37 47 57 67 17 27'},
  {at: 1.4, is: 'm 0 0 c 39 49 59 69 19 29'}
]);

assertAttributeInterpolation({
  property: 'd',
  from: 'm 0 0 Q 32 42 52 62',
  to: 'm 0 0 Q 37 47 57 67'
}, [
  {at: -0.4, is: 'm 0 0 Q 30 40 50 60'},
  {at: 0, is: 'm 0 0 Q 32 42 52 62'},
  {at: 0.2, is: 'm 0 0 Q 33 43 53 63'},
  {at: 0.6, is: 'm 0 0 Q 35 45 55 65'},
  {at: 1, is: 'm 0 0 Q 37 47 57 67'},
  {at: 1.4, is: 'm 0 0 Q 39 49 59 69'}
]);

assertAttributeInterpolation({
  property: 'd',
  from: 'm 0 0 q 32 42 52 62',
  to: 'm 0 0 q 37 47 57 67'
}, [
  {at: -0.4, is: 'm 0 0 q 30 40 50 60'},
  {at: 0, is: 'm 0 0 q 32 42 52 62'},
  {at: 0.2, is: 'm 0 0 q 33 43 53 63'},
  {at: 0.6, is: 'm 0 0 q 35 45 55 65'},
  {at: 1, is: 'm 0 0 q 37 47 57 67'},
  {at: 1.4, is: 'm 0 0 q 39 49 59 69'}
]);

assertAttributeInterpolation({
  property: 'd',
  from: 'm 0 0 A 10 20 30 1 0 40 50',
  to: 'm 0 0 A 60 70 80 0 1 90 100'
}, [
  {at: -0.4, is: 'm 0 0 A -10 0 10 1 0 20 30'},
  {at: 0, is: 'm 0 0 A 10 20 30 1 0 40 50'},
  {at: 0.2, is: 'm 0 0 A 20 30 40 1 0 50 60'},
  {at: 0.6, is: 'm 0 0 A 40 50 60 0 1 70 80'},
  {at: 1, is: 'm 0 0 A 60 70 80 0 1 90 100'},
  {at: 1.4, is: 'm 0 0 A 80 90 100 0 1 110 120'},
]);

assertAttributeInterpolation({
  property: 'd',
  from: 'm 0 0 a 10 20 30 1 0 40 50',
  to: 'm 0 0 a 60 70 80 0 1 90 100'
}, [
  {at: -0.4, is: 'm 0 0 a -10 0 10 1 0 20 30'},
  {at: 0, is: 'm 0 0 a 10 20 30 1 0 40 50'},
  {at: 0.2, is: 'm 0 0 a 20 30 40 1 0 50 60'},
  {at: 0.6, is: 'm 0 0 a 40 50 60 0 1 70 80'},
  {at: 1, is: 'm 0 0 a 60 70 80 0 1 90 100'},
  {at: 1.4, is: 'm 0 0 a 80 90 100 0 1 110 120'}
]);

assertAttributeInterpolation({
  property: 'd',
  from: 'm 0 0 H 10',
  to: 'm 0 0 H 60'
}, [
  {at: -0.4, is: 'm 0 0 H -10'},
  {at: 0, is: 'm 0 0 H 10'},
  {at: 0.2, is: 'm 0 0 H 20'},
  {at: 0.6, is: 'm 0 0 H 40'},
  {at: 1, is: 'm 0 0 H 60'},
  {at: 1.4, is: 'm 0 0 H 80'}
]);

assertAttributeInterpolation({
  property: 'd',
  from: 'm 0 0 h 10',
  to: 'm 0 0 h 60'
}, [
  {at: -0.4, is: 'm 0 0 h -10'},
  {at: 0, is: 'm 0 0 h 10'},
  {at: 0.2, is: 'm 0 0 h 20'},
  {at: 0.6, is: 'm 0 0 h 40'},
  {at: 1, is: 'm 0 0 h 60'},
  {at: 1.4, is: 'm 0 0 h 80'}
]);

assertAttributeInterpolation({
  property: 'd',
  from: 'm 0 0 V 10',
  to: 'm 0 0 V 60'
}, [
  {at: -0.4, is: 'm 0 0 V -10'},
  {at: 0, is: 'm 0 0 V 10'},
  {at: 0.2, is: 'm 0 0 V 20'},
  {at: 0.6, is: 'm 0 0 V 40'},
  {at: 1, is: 'm 0 0 V 60'},
  {at: 1.4, is: 'm 0 0 V 80'}
]);

assertAttributeInterpolation({
  property: 'd',
  from: 'm 0 0 v 10',
  to: 'm 0 0 v 60'
}, [
  {at: -0.4, is: 'm 0 0 v -10'},
  {at: 0, is: 'm 0 0 v 10'},
  {at: 0.2, is: 'm 0 0 v 20'},
  {at: 0.6, is: 'm 0 0 v 40'},
  {at: 1, is: 'm 0 0 v 60'},
  {at: 1.4, is: 'm 0 0 v 80'}
]);

assertAttributeInterpolation({
  property: 'd',
  from: 'm 0 0 S 32 42 52 62',
  to: 'm 0 0 S 37 47 57 67'
}, [
  {at: -0.4, is: 'm 0 0 S 30 40 50 60'},
  {at: 0, is: 'm 0 0 S 32 42 52 62'},
  {at: 0.2, is: 'm 0 0 S 33 43 53 63'},
  {at: 0.6, is: 'm 0 0 S 35 45 55 65'},
  {at: 1, is: 'm 0 0 S 37 47 57 67'},
  {at: 1.4, is: 'm 0 0 S 39 49 59 69'},
]);

assertAttributeInterpolation({
  property: 'd',
  from: 'm 0 0 s 32 42 52 62',
  to: 'm 0 0 s 37 47 57 67'
}, [
  {at: -0.4, is: 'm 0 0 s 30 40 50 60'},
  {at: 0, is: 'm 0 0 s 32 42 52 62'},
  {at: 0.2, is: 'm 0 0 s 33 43 53 63'},
  {at: 0.6, is: 'm 0 0 s 35 45 55 65'},
  {at: 1, is: 'm 0 0 s 37 47 57 67'},
  {at: 1.4, is: 'm 0 0 s 39 49 59 69'},
]);

assertAttributeInterpolation({
  property: 'd',
  from: 'm 0 0 T 20 50',
  to: 'm 0 0 T 30 70'
}, [
  {at: -0.4, is: 'm 0 0 T 16 42'},
  {at: 0, is: 'm 0 0 T 20 50'},
  {at: 0.2, is: 'm 0 0 T 22 54'},
  {at: 0.6, is: 'm 0 0 T 26 62'},
  {at: 1, is: 'm 0 0 T 30 70'},
  {at: 1.4, is: 'm 0 0 T 34 78'},
]);

assertAttributeInterpolation({
  property: 'd',
  from: 'm 0 0 t 20 50',
  to: 'm 0 0 t 30 70'
}, [
  {at: -0.4, is: 'm 0 0 t 16 42'},
  {at: 0, is: 'm 0 0 t 20 50'},
  {at: 0.2, is: 'm 0 0 t 22 54'},
  {at: 0.6, is: 'm 0 0 t 26 62'},
  {at: 1, is: 'm 0 0 t 30 70'},
  {at: 1.4, is: 'm 0 0 t 34 78'},
]);

// Mix relative and non-relative
assertAttributeInterpolation({
  property: 'd',
  from: 'M 0 0 L 100 100 M 100 200 L 200 200 Z L 200 100 Z',
  to: 'M 0 0 L 100 100 m 0 100 l 100 0 z l 200 100 z'
}, [
  {at: -0.4, is: 'M 0 0 L 100 100 m 0 100 l 100 0 Z l 60 -180 Z'},
  {at: 0, is: 'M 0 0 L 100 100 M 100 200 L 200 200 Z L 200 100 Z'},
  {at: 0.2, is: 'M 0 0 L 100 100 m 0 100 l 100 0 Z l 120 -60 Z'},
  {at: 0.6, is: 'M 0 0 L 100 100 m 0 100 l 100 0 Z l 160 20 Z'},
  {at: 1, is: 'M 0 0 L 100 100 m 0 100 l 100 0 Z l 200 100 Z'},
  {at: 1.4, is: 'M 0 0 L 100 100 m 0 100 l 100 0 Z l 240 180 Z'},
]);

assertAttributeInterpolation({
  property: 'd',
  from: 'M 0 0 L 100 100 M 100 200 L 200 200 Z L 200 100 Z',
  to: 'M 0 0 L 100 100 m 0 100 l 100 0 z l 100 -100 z'
}, [
  {at: -0.4, is: 'M 0 0 L 100 100 m 0 100 l 100 0 Z l 100 -100 Z'},
  {at: 0, is: 'M 0 0 L 100 100 M 100 200 L 200 200 Z L 200 100 Z'},
  {at: 0.2, is: 'M 0 0 L 100 100 m 0 100 l 100 0 Z l 100 -100 Z'},
  {at: 0.6, is: 'M 0 0 L 100 100 m 0 100 l 100 0 Z l 100 -100 Z'},
  {at: 1, is: 'M 0 0 L 100 100 m 0 100 l 100 0 Z l 100 -100 Z'},
  {at: 1.4, is: 'M 0 0 L 100 100 m 0 100 l 100 0 Z l 100 -100 Z'},
]);

assertAttributeInterpolation({
  property: 'd',
  from: 'm 10 20 l 20 30 z l 50 60 z m 70 80 l 90 60 z t 70 120',
  to: 'M 110 120 L 130 150 Z L 80 110 Z M 100 140 L 190 200 Z T 210 220'
}, [
  {at: -0.4, is: 'M -30 -20 L -10 10 Z L 52 68 Z M 72 84 L 162 144 Z T 126 220'},
  {at: 0, is: 'm 10 20 l 20 30 z l 50 60 z m 70 80 l 90 60 z t 70 120'},
  {at: 0.2, is: 'M 30 40 L 50 70 Z L 64 86 Z M 84 108 L 174 168 Z T 162 220'},
  {at: 0.6, is: 'M 70 80 L 90 110 Z L 72 98 Z M 92 124 L 182 184 Z T 186 220'},
  {at: 1, is: 'M 110 120 L 130 150 Z L 80 110 Z M 100 140 L 190 200 Z T 210 220'},
  {at: 1.4, is: 'M 150 160 L 170 190 Z L 88 122 Z M 108 156 L 198 216 Z T 234 220'}
]);

assertAttributeInterpolation({
  property: 'd',
  from: 'm 10 20 c 40 50 30 60 80 70 c 90 100 140 110 120 130',
  to: 'M 110 120 C 140 150 130 160 180 170 C 290 300 340 310 320 330'
}, [
  {at: -0.4, is: 'M -30 -20 C 14 38 4 48 54 58 C 136 146 186 156 166 176'},
  {at: 0, is: 'm 10 20 c 40 50 30 60 80 70 c 90 100 140 110 120 130'},
  {at: 0.2, is: 'M 30 40 C 68 86 58 96 108 106 C 202 212 252 222 232 242'},
  {at: 0.6, is: 'M 70 80 C 104 118 94 128 144 138 C 246 256 296 266 276 286'},
  {at: 1, is: 'M 110 120 C 140 150 130 160 180 170 C 290 300 340 310 320 330'},
  {at: 1.4, is: 'M 150 160 C 176 182 166 192 216 202 C 334 344 384 354 364 374'}
]);

assertAttributeInterpolation({
  property: 'd',
  from: 'm 10 20 q 30 60 40 50 q 100 70 90 80',
  to: 'M 110 120 Q 130 160 140 150 Q 200 170 190 180'
}, [
  {at: -0.4, is: 'M -30 -20 Q 4 48 14 38 Q 130 128 120 138'},
  {at: 0, is: 'm 10 20 q 30 60 40 50 q 100 70 90 80'},
  {at: 0.2, is: 'M 30 40 Q 58 96 68 86 Q 160 146 150 156'},
  {at: 0.6, is: 'M 70 80 Q 94 128 104 118 Q 180 158 170 168'},
  {at: 1, is: 'M 110 120 Q 130 160 140 150 Q 200 170 190 180'},
  {at: 1.4, is: 'M 150 160 Q 166 192 176 182 Q 220 182 210 192'}
]);

assertAttributeInterpolation({
  property: 'd',
  from: 'm 10 20 s 30 60 40 50 s 100 70 90 80',
  to: 'M 110 120 S 130 160 140 150 S 200 170 190 180'
}, [
  {at: -0.4, is: 'M -30 -20 S 4 48 14 38 S 130 128 120 138'},
  {at: 0, is: 'm 10 20 s 30 60 40 50 s 100 70 90 80'},
  {at: 0.2, is: 'M 30 40 S 58 96 68 86 S 160 146 150 156'},
  {at: 0.6, is: 'M 70 80 S 94 128 104 118 S 180 158 170 168'},
  {at: 1, is: 'M 110 120 S 130 160 140 150 S 200 170 190 180'},
  {at: 1.4, is: 'M 150 160 S 166 192 176 182 S 220 182 210 192'}
]);

assertAttributeInterpolation({
  property: 'd',
  from: 'm 10 20 h 30 v 40 h 50 v 60 l 70 80',
  to: 'M 110 120 H 130 V 140 H 250 V 260 L 270 280'
}, [
  {at: -0.4, is: 'M -30 -20 H 4 V 28 H 26 V 64 L 116 168'},
  {at: 0, is: 'm 10 20 h 30 v 40 h 50 v 60 l 70 80'},
  {at: 0.2, is: 'M 30 40 H 58 V 76 H 122 V 148 L 182 216'},
  {at: 0.6, is: 'M 70 80 H 94 V 108 H 186 V 204 L 226 248'},
  {at: 1, is: 'M 110 120 H 130 V 140 H 250 V 260 L 270 280'},
  {at: 1.4, is: 'M 150 160 H 166 V 172 H 314 V 316 L 314 312'}
]);

assertAttributeInterpolation({
  property: 'd',
  from: 'm 10 20 a 10 20 30 1 0 40 50 a 110 120 30 1 1 140 50',
  to: 'M 20 30 A 60 70 80 0 1 90 100 A 160 170 80 0 1 90 100'
}, [
  {at: -0.4, is: 'M 6 16 A -10 0 10 1 0 34 58 A 90 100 10 1 1 230 128'},
  {at: 0, is: 'm 10 20 a 10 20 30 1 0 40 50 a 110 120 30 1 1 140 50'},
  {at: 0.2, is: 'M 12 22 A 20 30 40 1 0 58 76 A 120 130 40 1 1 170 116'},
  {at: 0.6, is: 'M 16 26 A 40 50 60 0 1 74 88 A 140 150 60 0 1 130 108'},
  {at: 1, is: 'M 20 30 A 60 70 80 0 1 90 100 A 160 170 80 0 1 90 100'},
  {at: 1.4, is: 'M 24 34 A 80 90 100 0 1 106 112 A 180 190 100 0 1 50 92'}
]);

</script>
</body>
</html>