editing/event.html

<!doctype html>
<title>Editing event tests</title>
<style>body { font-family: serif }</style>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<div id=test></div>
<div id=log></div>
<script>
"use strict";

var div = document.querySelector("#test");
add_completion_callback(function() { div.parentNode.removeChild(div) });

function copyEvent(e) {
    var ret = {};
    ret.original = e;
    ["type", "target", "currentTarget", "eventPhase", "bubbles", "cancelable",
    "defaultPrevented", "isTrusted", "command", "value"].forEach(function(k) {
        ret[k] = e[k];
    });
    return ret;
}

var tests = [
    {
        name: "Simple editable div",
        html: "<div contenteditable>foo<b>bar</b>baz</div>",
        initRange: function(range) {
            range.setStart(div.querySelector("b").firstChild, 0);
            range.setEnd(div.querySelector("b"), 1);
        },
        target: function() { return div.firstChild },
        command: "bold",
        value: "",
    },
    {
        name: "Editable b",
        html: "foo<b contenteditable>bar</b>baz",
        initRange: function(range) {
            range.setStart(div.querySelector("b").firstChild, 0);
            range.setEnd(div.querySelector("b"), 1);
        },
        target: function() { return div.querySelector("b") },
        command: "bold",
        value: "",
    },
    {
        name: "No editable content",
        html: "foo<b>bar</b>baz",
        initRange: function(range) {
            range.setStart(div.querySelector("b").firstChild, 0);
            range.setEnd(div.querySelector("b"), 1);
        },
        target: function() { return null },
        command: "bold",
        value: "",
    },
    {
        name: "Partially-selected editable content",
        html: "foo<b contenteditable>bar</b>baz",
        initRange: function(range) {
            range.setStart(div.querySelector("b").firstChild, 0);
            range.setEnd(div, 3);
        },
        target: function() { return null },
        command: "bold",
        value: "",
    },
    {
        name: "Selection spans two editing hosts",
        html: "<div contenteditable>foo</div><div contenteditable>bar</div>",
        initRange: function(range) {
            range.setStart(div.querySelector("div").firstChild, 2);
            range.setEnd(div.querySelector("div + div").firstChild, 1);
        },
        target: function() { return null },
        command: "bold",
        value: "",
    },
    {
        name: "Selection includes two editing hosts",
        html: "foo<div contenteditable>bar</div>baz<div contenteditable>quz</div>qoz",
        initRange: function(range) {
            range.setStart(div.firstChild, 2);
            range.setEnd(div.lastChild, 1);
        },
        target: function() { return null },
        command: "bold",
        value: "",
    },
    {
        name: "Changing selection from handler",
        html: "<div contenteditable>foo</div><div contenteditable>bar</div>",
        initRange: function(range) {
            range.setStart(div.querySelector("div").firstChild, 0);
            range.setEnd(div.querySelector("div").firstChild, 3);
        },
        target: function() { return div.firstChild },
        finalTarget: function() { return div.lastChild },
        command: "bold",
        value: "",
    },
];

var commandTests = {
    backColor: ["green"],
    createLink: ["http://www.w3.org/community/editing/"],
    fontName: ["serif", "Helvetica"],
    fontSize: ["6", "15px"],
    foreColor: ["green"],
    hiliteColor: ["green"],
    italic: [],
    removeFormat: [],
    strikeThrough: [],
    subscript: [],
    superscript: [],
    underline: [],
    unlink: [],
    delete: [],
    formatBlock: ["p"],
    forwardDelete: [],
    indent: [],
    insertHorizontalRule: ["id"],
    insertHTML: ["<b>hi</b>"],
    insertImage: ["../images/green.png"],
    insertLineBreak: [],
    insertOrderedList: [],
    insertParagraph: [],
    insertText: ["abc"],
    insertUnorderedList: [],
    justifyCenter: [],
    justifyFull: [],
    justifyLeft: [],
    justifyRight: [],
    outdent: [],
    redo: [],
    selectAll: [],
    styleWithCSS: [],
    undo: [],
    useCSS: [],
};

Object.keys(commandTests).forEach(function(command) {
    commandTests[command] = ["", "quasit"].concat(commandTests[command]);
    commandTests[command].forEach(function(value) {
        tests.push({
            name: "Command " + command + ", value " + format_value(value),
            html: "<div contenteditable>foo<b>bar</b>baz</div>",
            initRange: function(range) {
                range.setStart(div.querySelector("b").firstChild, 0);
                range.setEnd(div.querySelector("b"), 1);
            },
            target: function() {
                return ["redo", "selectAll", "styleWithCSS", "undo", "useCSS"]
                    .indexOf(command) == -1 ? div.firstChild : null;
            },
            command: command,
            value: value,
        });
    });
});

tests.forEach(function(obj) {
    // Kill all event handlers first
    var newDiv = div.cloneNode(false);
    div.parentNode.insertBefore(newDiv, div);
    div.parentNode.removeChild(div);
    div = newDiv;

    div.innerHTML = obj.html;

    var originalContents = div.cloneNode(true);

    getSelection().removeAllRanges();
    var range = document.createRange();
    obj.initRange(range);
    getSelection().addRange(range);

    var target = obj.target();
    var finalTarget = "finalTarget" in obj ? obj.finalTarget() : target;
    var command = obj.command;
    var value = obj.value;

    var inputEvents = [];
    div.addEventListener("input", function(e) { inputEvents.push(copyEvent(e)) });

    var exception = null;
    try {
        document.execCommand(command, false, value);
    } catch(e) {
        exception = e;
    }

    test(function() {
        assert_equals(exception, null, "Unexpected exception");
    }, obj.name + ": execCommand() must not throw");

    test(function() {
        assert_equals(inputEvents.length, target ? 1 : 0,
            "number of input events fired");
        if (!target) {
            assert_true(originalContents.isEqualNode(div),
                "div contents must not be changed");
            return;
        }
        var e = inputEvents[0];
        assert_equals(e.type, "input", "event.type");
        assert_equals(e.target, finalTarget, "event.target");
        assert_equals(e.currentTarget, div, "event.currentTarget");
        assert_equals(e.eventPhase, Event.BUBBLING_PHASE, "event.eventPhase");
        assert_equals(e.bubbles, true, "event.bubbles");
        assert_equals(e.cancelable, false, "event.cancelable");
        assert_equals(e.defaultPrevented, false, "event.defaultPrevented");
        assert_own_property(window, "InputEvent",
            "window.InputEvent must exist");
        assert_equals(Object.getPrototypeOf(e.original), InputEvent.prototype,
            "event prototype");
        assert_equals(e.isTrusted, true, "event.isTrusted");
    }, obj.name + ": input event");
});

// Thanks, Gecko.
document.body.bgColor = "";
</script>