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Automatic update from web-platform-tests Remove cross fade from backgrounds background-image-interpolation should not use cross fade. Bug filed: https://bugs.chromium.org/p/chromium/issues/detail?id=1029358 background-image-interpolation when interpolate from single image to multiple images at progress -0.3 will give from, from instead just from. Bug filed: https://bugs.chromium.org/p/chromium/issues/detail?id=1029529 Bug: 900581 Change-Id: I481725439b8ef3944693b4c65dbc4112eca42265 Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1942492 Reviewed-by: Xida Chen <xidachen@chromium.org> Commit-Queue: Hao Sheng <haozhes@chromium.org> Cr-Commit-Position: refs/heads/master@{#720267} -- wpt-commits: c2efb44a06853e1acaf0f2cbc298399bdee28a32 wpt-pr: 20514
230 lines
5.3 KiB
HTML
230 lines
5.3 KiB
HTML
<!DOCTYPE html>
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<meta charset="UTF-8">
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<link rel="help" href="https://drafts.csswg.org/css-backgrounds-3/#background-image">
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<meta name="test" content="background-image supports animation">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="/css/support/interpolation-testcommon.js"></script>
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<style>
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.parent {
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background-image: url(../resources/blue-100.png);
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background-size: 0 0;
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}
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.target {
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width: 100px;
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height: 100px;
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display: inline-block;
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border: 10px solid black;
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background-repeat: no-repeat;
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background-image: url(../resources/blue-100.png);
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}
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.expected {
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border-color: green;
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margin-right: 2px;
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}
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</style>
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<body>
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<script>
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// Neutral to image
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var from = 'url(../resources/blue-100.png)';
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var to = 'url(../resources/green-100.png)';
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test_interpolation({
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property: 'background-image',
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from: neutralKeyframe,
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to: to,
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}, [
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{at: -0.3, expect: from},
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{at: 0, expect: from},
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{at: 0.3, expect: from},
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{at: 0.6, expect: to},
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{at: 1, expect: to},
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{at: 1.5, expect: to},
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]);
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// initial to image
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to = 'url(../resources/green-100.png)';
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test_interpolation({
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property: 'background-image',
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from: 'initial',
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to: to,
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}, [
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{at: -0.3, expect: 'none'},
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{at: 0, expect: 'none'},
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{at: 0.3, expect: 'none'},
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{at: 0.6, expect: to},
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{at: 1, expect: to},
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{at: 1.5, expect: to},
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]);
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// inherit to image
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from = 'url(../resources/blue-100.png)';
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to = 'url(../resources/green-100.png)';
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test_interpolation({
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property: 'background-image',
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from: 'inherit',
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to: to,
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}, [
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{at: -0.3, expect: from},
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{at: 0, expect: from},
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{at: 0.3, expect: from},
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{at: 0.6, expect: to},
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{at: 1, expect: to},
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{at: 1.5, expect: to},
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]);
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// unset to image
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test_interpolation({
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property: 'background-image',
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from: 'unset',
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to: to,
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}, [
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{at: -0.3, expect: 'none'},
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{at: 0, expect: 'none'},
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{at: 0.3, expect: 'none'},
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{at: 0.6, expect: to},
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{at: 1, expect: to},
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{at: 1.5, expect: to},
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]);
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// Image to image
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from = 'url(../resources/blue-100.png)';
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to = 'url(../resources/green-100.png)';
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test_interpolation({
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property: 'background-image',
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from: from,
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to: to,
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}, [
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{at: -0.3, expect: from},
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{at: 0, expect: from},
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{at: 0.3, expect: from},
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{at: 0.6, expect: to},
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{at: 1, expect: to},
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{at: 1.5, expect: to},
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]);
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// Image to gradient
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from = 'url(../resources/blue-100.png)';
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to = 'linear-gradient(45deg, blue, orange)';
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test_interpolation({
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property: 'background-image',
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from: from,
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to: to,
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}, [
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{at: -0.3, expect: from},
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{at: 0, expect: from},
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{at: 0.3, expect: from},
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{at: 0.6, expect: to},
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{at: 1, expect: to},
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{at: 1.5, expect: to},
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]);
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// Image to crossfade
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from = 'url(../resources/blue-100.png)';
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to = 'cross-fade(url(../resources/green-100.png), url(../resources/stripes-100.png), 0.5)';
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test_interpolation({
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property: 'background-image',
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from: from,
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to: to,
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}, [
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{at: -0.3, expect: from},
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{at: 0, expect: from},
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{at: 0.3, expect: from},
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{at: 0.6, expect: to},
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{at: 1, expect: to},
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{at: 1.5, expect: to},
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]);
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// Gradient to gradient
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from = 'linear-gradient(-45deg, red, yellow)';
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to = 'linear-gradient(45deg, blue, orange)';
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test_interpolation({
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property: 'background-image',
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from: from,
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to: to,
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}, [
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{at: -0.3, expect: from},
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{at: 0, expect: from},
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{at: 0.3, expect: from},
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{at: 0.6, expect: to},
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{at: 1, expect: to},
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{at: 1.5, expect: to},
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]);
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// Keyword to image
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from = 'none';
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to = 'url(../resources/green-100.png)';
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test_interpolation({
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property: 'background-image',
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from: from,
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to: to,
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}, [
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{at: -0.3, expect: from},
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{at: 0, expect: from},
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{at: 0.3, expect: from},
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{at: 0.6, expect: to},
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{at: 1, expect: to},
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{at: 1.5, expect: to},
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]);
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// Multiple to multiple
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var fromA = 'url(../resources/stripes-100.png)';
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var fromB = 'url(../resources/blue-100.png)';
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var toA = 'url(../resources/blue-100.png)';
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var toB = 'url(../resources/stripes-100.png)';
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from = fromA + ', ' + fromB;
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to = toA + ', ' + toB;
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test_interpolation({
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property: 'background-image',
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from: from,
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to: to,
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}, [
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{at: -0.3, expect: from},
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{at: 0, expect: from},
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{at: 0.3, expect: from},
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{at: 0.6, expect: to},
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{at: 1, expect: to},
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{at: 1.5, expect: to},
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]);
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// Single to multiple
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from = 'url(../resources/blue-100.png)';
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var toA = 'url(../resources/stripes-100.png)';
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var toB = 'url(../resources/green-100.png)';
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to = toA + ', ' + toB;
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test_interpolation({
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property: 'background-image',
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from: from,
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to: to,
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}, [
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// The interpolation of different numbers of background-images looks a bit strange here.
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// Animating background-image is not specified to be possible however we do it for backwards compatibility.
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// With this in mind we kept the implementation simple at the expense of this corner case because there is
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// no official specification to support.
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{at: -0.3, expect: from},
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{at: 0, expect: from},
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{at: 0.3, expect: from},
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{at: 0.6, expect: to},
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{at: 1, expect: to},
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{at: 1.5, expect: to},
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]);
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// Multiple mismatched types
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from = 'url(../resources/blue-100.png), none';
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to = 'url(../resources/stripes-100.png), url(../resources/green-100.png)';
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test_interpolation({
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property: 'background-image',
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from: from,
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to: to,
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}, [
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{at: -0.3, expect: from},
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{at: 0, expect: from},
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{at: 0.3, expect: from},
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{at: 0.6, expect: to},
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{at: 1, expect: to},
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{at: 1.5, expect: to},
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]);
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</script>
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</body>
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