removeRange.html - mozsearch

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This WPT test may be referenced by the following Test IDs:
- /selection/removeRange.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<title>Selection.removeRange tests</title>

<body>

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<script src="common.js"></script>

<script>

"use strict";

testRanges.forEach(function(rangeData, index) {

    var endpoints = eval(rangeData);

    if (!isSelectableNode(endpoints[0]) || !isSelectableNode(endpoints[2]))

        return;

    test(function() {

        var selection = getSelection();

        selection.removeAllRanges();

        var range = ownerDocument(endpoints[0]).createRange();

        range.setStart(endpoints[0], endpoints[1]);

        range.setEnd(endpoints[2], endpoints[3]);

        selection.addRange(range);

        assert_equals(selection.rangeCount, 1);

        selection.removeRange(range);

        assert_equals(selection.rangeCount, 0, 'Range should be correctly removed.');

        assert_equals(selection.anchorNode, null);

        assert_equals(selection.focusNode, null);

        selection.addRange(range);

        assert_equals(selection.rangeCount, 1);

        var equivalentRange = ownerDocument(endpoints[0]).createRange();

        equivalentRange.setStart(endpoints[0], endpoints[1]);

        equivalentRange.setEnd(endpoints[2], endpoints[3]);

        assert_throws_dom("NotFoundError",

                          function() { selection.removeRange(equivalentRange) },

                          "Removing a different range should throw");

        assert_equals(selection.rangeCount, 1, 'Equivalent Range should not remove the registered Range.');

    }, 'removeRange() with Range ' + index);

});

test(function() {

    var selection = getSelection();

    assert_throws_js(TypeError, function() { selection.removeRange(null); });

    assert_throws_js(TypeError, function() { selection.removeRange(selection); });

}, 'removeRange() argument is non-optional Range');

</script>

</body>