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'use strict';
// =======================================
//
// Utility functions for testing keyframes
//
// =======================================
// ------------------------------
// 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 (let i = 0; i < Math.min(a.length, b.length); i++) {
assert_frames_equal(a[i], b[i], `ComputedKeyframe #${i}`);
}
}
/** Helper for assert_frame_lists_equal */
function assert_frames_equal(a, b, name) {
assert_equals(Object.keys(a).sort().toString(),
Object.keys(b).sort().toString(),
`properties on ${name} should match`);
// Iterates sorted keys to ensure stable failures.
for (const p of Object.keys(a).sort()) {
assert_equals(a[p], b[p], `value for '${p}' on ${name}`);
}
}
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