selection/setBaseAndExtent.html

<!doctype html>
<title>Selection.setBaseAndExtent() tests</title>
<div id=log></div>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<script src=common.js></script>
<script>
"use strict";

for (var i = 0; i < testRanges.length; i++) {
    test(function() {
        var data = eval(testRanges[i]);
        selection.removeAllRanges();
        selection.setBaseAndExtent(data[0], data[1], data[2], data[3]);
        if (!document.contains(data[0]) || !document.contains(data[2])) {
            assert_equals(selection.rangeCount, 0);
            return;
        }
        assert_equals(selection.rangeCount, 1,
                      "selection.rangeCount must equal 1");
        assert_equals(selection.anchorNode, data[0],
                      "anchorNode must equal the requested anchor node");
        assert_equals(selection.anchorOffset, data[1],
                      "anchorOffset must equal the requested anchor offset");
        assert_equals(selection.focusNode, data[2],
                      "focusNode must equal the requested focus node");
        assert_equals(selection.focusOffset, data[3],
                      "focusOffset must equal the requested focus offset");
    }, "Range " + i + " " + testRanges[i] + " setBaseAndExtent()");

    test(function() {
        var data = eval(testRanges[i]);
        selection.removeAllRanges();
        selection.setBaseAndExtent(data[2], data[3], data[0], data[1]);
        if (!document.contains(data[0]) || !document.contains(data[2])) {
            assert_equals(selection.rangeCount, 0);
            return;
        }
        assert_equals(selection.rangeCount, 1,
                      "selection.rangeCount must equal 1");
        assert_equals(selection.anchorNode, data[2],
                      "anchorNode must equal the requested focus node");
        assert_equals(selection.anchorOffset, data[3],
                      "anchorOffset must equal the requested focus offset");
        assert_equals(selection.focusNode, data[0],
                      "focusNode must equal the requested anchor node");
        assert_equals(selection.focusOffset, data[1],
                      "focusOffset must equal the requested anchor offset");
    }, "Reverse range " + i + " " + testRanges[i] + " setBaseAndExtent()");
}

test(function() {
    var title = document.getElementsByTagName('title')[0];
    try {
        selection.setBaseAndExtent(title, 0, title, 99);
        assert_true(false, "focus offset, must throw an IndexSizeError exception")
    } catch (e) {
        assert_equals(e.name, "IndexSizeError", "focus offset, got an IndexSizeError exception")
    }
    try {
        selection.setBaseAndExtent(title, 99, title, 0);
        assert_true(false, "anchor offset, must throw an IndexSizeError exception")
    } catch (e) {
        assert_equals(e.name, "IndexSizeError", "anchor offset, got an IndexSizeError exception")
    }
}, "setBaseAndExtent() with index larger than length");

test(function() {
    var title = document.getElementsByTagName('title')[0];
    try {
        selection.setBaseAndExtent(title, 0, title, -1);
        assert_true(false, "focus offset, must throw an IndexSizeError exception")
    } catch (e) {
        assert_equals(e.name, "IndexSizeError", "focus offset, got an IndexSizeError exception")
    }
    try {
        selection.setBaseAndExtent(title, -1, title, 0);
        assert_true(false, "anchor offset, must throw an IndexSizeError exception")
    } catch (e) {
        assert_equals(e.name, "IndexSizeError", "anchor offset, got an IndexSizeError exception")
    }
}, "setBaseAndExtent() with negative index");

test(function() {
    var title = document.getElementsByTagName('title')[0];
    try {
        selection.setBaseAndExtent(title, 0, null, 0);
        assert_true(false, "focus node, must throw an TypeError exception")
    } catch (e) {
        assert_equals(e.name, "TypeError", "focus node, got an TypeError exception")
    }
    try {
        selection.setBaseAndExtent(null, 0, title, 0);
        assert_true(false, "anchor node, must throw an TypeError exception")
    } catch (e) {
        assert_equals(e.name, "TypeError", "anchor node, got an TypeError exception")
    }
    try {
        selection.setBaseAndExtent(null, 0, null, 0);
        assert_true(false, "both nodes, must throw an TypeError exception")
    } catch (e) {
        assert_equals(e.name, "TypeError", "both nodes, got an TypeError exception")
    }
}, "setBaseAndExtent() with null nodes");

test(function() {
    var title = document.getElementsByTagName('title')[0];
    try {
        selection.setBaseAndExtent(title, 0, title);
        assert_true(false, "focus offset, must throw an TypeError exception")
    } catch (e) {
        assert_equals(e.name, "TypeError", "focus offset, got an TypeError exception")
    }
    try {
        selection.setBaseAndExtent(title, 0);
        assert_true(false, "focus node, must throw an TypeError exception")
    } catch (e) {
        assert_equals(e.name, "TypeError", "focus node, got an TypeError exception")
    }
    try {
        selection.setBaseAndExtent(title);
        assert_true(false, "anchor offset, must throw an TypeError exception")
    } catch (e) {
        assert_equals(e.name, "TypeError", "anchor offset, got an TypeError exception")
    }
}, "setBaseAndExtent() with too few params");

testDiv.style.display = "none";

</script>