chromium/third_party/blink/web_tests/svg/parser/whitespace-length.html

<!DOCTYPE html>
<title>Whitespace in &lt;length> attribute values</title>
<script src="../../resources/testharness.js"></script>
<script src="../../resources/testharnessreport.js"></script>
<script src="resources/whitespace-helper.js"></script>
<svg height="0"></svg>
<script>
// test length values
var EPSILON = Math.pow(2, -24); // float epsilon
var whitespace = [ "", " ", "   ", "\r\n\t ", "\f" ];
var garbage = [ "a", "e", "foo", ")90" ];
var validunits = [ "", "em", "ex", "px", "in", "cm", "mm", "pt", "pc", "%" ];

testType("<length>",
         document.querySelector("svg"),
         "x",
         0, // expected default value
         whitespace,
         [ "-47", ".1", "0.35", "1e-10", "+32", "+17E-1", "17e+2" ], // valid
         validunits,
         garbage,
         function(elm, value) {
           assert_approx_equals(elm.x.baseVal.valueInSpecifiedUnits,
                                parseFloat(value), EPSILON);
         },
         function(elm, expected) {
           assert_approx_equals(elm.x.baseVal.value, expected, EPSILON);
         });
</script>