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<!DOCTYPE HTML>
<title>SVGFEBlendElement.prototype.mode</title>
<link rel="help" href="https://drafts.fxtf.org/filter-effects/#InterfaceSVGFEBlendElement">
<link rel="help" href="https://svgwg.org/svg2-draft/types.html#InterfaceSVGAnimatedEnumeration">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
// This test checks the use of SVGAnimatedEnumeration for 'mode' on SVGFEBlendElement.
const svgNs = "http://www.w3.org/2000/svg";
test(function() {
var element = document.createElementNS(svgNs, "feBlend");
assert_equals(element.mode.baseVal, SVGFEBlendElement.SVG_FEBLEND_MODE_NORMAL);
assert_false(element.hasAttribute("mode"));
}, document.title + ", getter, initial value");
test(function() {
var element = document.createElementNS(svgNs, "feBlend");
element.setAttribute("mode", "not-a-valid-value");
assert_equals(element.mode.baseVal, SVGFEBlendElement.SVG_FEBLEND_MODE_NORMAL);
assert_true(element.hasAttribute("mode"));
assert_equals(element.getAttribute("mode"), "not-a-valid-value");
}, document.title + ", getter, invalid value");
const enumerationMap = [
[ "normal", "NORMAL" ],
[ "multiply", "MULTIPLY" ],
[ "screen", "SCREEN" ],
[ "darken", "DARKEN" ],
[ "lighten", "LIGHTEN" ],
[ "overlay", "OVERLAY" ],
[ "color-dodge", "COLOR_DODGE" ],
[ "color-burn", "COLOR_BURN" ],
[ "hard-light", "HARD_LIGHT" ],
[ "soft-light", "SOFT_LIGHT" ],
[ "difference", "DIFFERENCE" ],
[ "exclusion", "EXCLUSION" ],
[ "hue", "HUE" ],
[ "saturation", "SATURATION" ],
[ "color", "COLOR" ],
[ "luminosity", "LUMINOSITY" ],
];
for (let [enumeration, value_suffix] of enumerationMap) {
test(function() {
let value = SVGFEBlendElement["SVG_FEBLEND_MODE_" + value_suffix];
var element = document.createElementNS(svgNs, "feBlend");
element.setAttribute("mode", enumeration);
assert_equals(element.mode.baseVal, value);
}, document.title + ", getter, numeric value for \"" + enumeration + "\"");
}
test(function() {
var element = document.createElementNS(svgNs, "feBlend");
element.setAttribute("mode", "lighten");
assert_equals(element.mode.baseVal, SVGFEBlendElement.SVG_FEBLEND_MODE_LIGHTEN);
assert_equals(element.getAttribute('mode'), "lighten");
assert_throws_js(TypeError, function() { element.mode.baseVal = 17; });
assert_equals(element.mode.baseVal, SVGFEBlendElement.SVG_FEBLEND_MODE_LIGHTEN);
assert_equals(element.getAttribute('mode'), "lighten");
assert_throws_js(TypeError, function() { element.mode.baseVal = -1; });
assert_equals(element.mode.baseVal, SVGFEBlendElement.SVG_FEBLEND_MODE_LIGHTEN);
assert_equals(element.getAttribute('mode'), "lighten");
assert_throws_js(TypeError, function() { element.mode.baseVal = 0; });
assert_equals(element.mode.baseVal, SVGFEBlendElement.SVG_FEBLEND_MODE_LIGHTEN);
assert_equals(element.getAttribute('mode'), "lighten");
}, document.title + ", setter, invalid value");
for (let [enumeration, value_suffix] of enumerationMap) {
test(function() {
let value = SVGFEBlendElement["SVG_FEBLEND_MODE_" + value_suffix];
var element = document.createElementNS(svgNs, "feBlend");
element.mode.baseVal = value;
assert_equals(element.mode.baseVal, value);
assert_equals(element.getAttribute('mode'), enumeration);
}, document.title + ", setter, numeric value for \"" + enumeration + "\"");
}
</script>
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