chromium/third_party/blink/web_tests/external/wpt/css/css-typed-om/the-stylepropertymap/properties/animation-iteration-count.html

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<title>'animation-iteration-count' property</title>
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<script src="resources/testsuite.js"></script>
<body>
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<script>
'use strict';

function assert_is_equal_with_clamping_number(input, result) {
  const number = input.to('number');

  if (number.value < 0)
    assert_style_value_equals(result, new CSSUnitValue(0, 'number'));
  else
    assert_style_value_equals(result, number);
}

runListValuedPropertyTests('animation-iteration-count', [
  { syntax: 'infinite' },
  {
    syntax: '<number>',
    specified: assert_is_equal_with_range_handling,
    computed: assert_is_equal_with_clamping_number
  },
]);

</script>