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if (typeof process !== "undefined") {
    require("amd-loader");
    require("../test/mockdom");
}

define(function (require, exports, module) {
    "use strict";

    require("../multi_select");

    var EditSession = require("./../edit_session").EditSession,
        Editor = require("./../editor").Editor,
        Range = require("./../range").Range,
        MockRenderer = require("./../test/mockrenderer").MockRenderer,
        emacs = require('./emacs'),
        assert = require("./../test/assertions"),
        editor, sel;

    function initEditor(docString) {
        var doc = new EditSession(docString.split("\n"));
        editor = new Editor(new MockRenderer(), doc);
        editor.setKeyboardHandler(emacs.handler);
        sel = editor.selection;
    }

    function print(obj) {
        return JSON.stringify(obj, null, 2);
    }

    function pluck(arr, what) {
        return arr.map(function (ea) {
            return ea[what];
        });
    }

    module.exports = {

        "test: detach removes emacs commands from command manager": function () {
            initEditor('');
            assert.ok(!!editor.commands.byName["keyboardQuit"], 'setup error: emacs commands not installed');
            editor.keyBinding.removeKeyboardHandler(editor.getKeyboardHandler());
            assert.ok(!editor.commands.byName["keyboardQuit"], 'emacs commands not removed');
        },

        "test: keyboardQuit clears selection": function () {
            initEditor('foo');
            editor.selectAll();
            editor.execCommand('keyboardQuit');
            assert.ok(editor.selection.isEmpty(), 'selection non-empty');
        },

        "test: exchangePointAndMark without mark set": function () {
            initEditor('foo');
            sel.setRange(Range.fromPoints({row: 0, column: 1}, {row: 0, column: 3}));
            editor.execCommand('exchangePointAndMark');
            assert.deepEqual({row: 0, column: 1}, editor.getCursorPosition(), print(editor.getCursorPosition()));
        },

        "test: exchangePointAndMark with mark set": function () {
            initEditor('foo');
            editor.pushEmacsMark({row: 0, column: 1});
            editor.pushEmacsMark({row: 0, column: 2});
            editor.execCommand('exchangePointAndMark', {count: 4});
            assert.deepEqual({row: 0, column: 2}, editor.getCursorPosition(), print(editor.getCursorPosition()));
            assert.deepEqual([{row: 0, column: 1}, {
                row: 0,
                column: 0
            }], editor.session.$emacsMarkRing, print(editor.session.$emacsMarkRing));
        },

        "test: exchangePointAndMark with selection": function () {
            initEditor('foo');
            editor.pushEmacsMark({row: 0, column: 1});
            editor.pushEmacsMark({row: 0, column: 2});
            sel.setRange(Range.fromPoints({row: 0, column: 0}, {row: 0, column: 1}), true);
            editor.execCommand('exchangePointAndMark');
            assert.deepEqual({row: 0, column: 1}, editor.getCursorPosition(), print(editor.getCursorPosition()));
            assert.deepEqual([{row: 0, column: 1}, {
                row: 0,
                column: 2
            }], editor.session.$emacsMarkRing, print(editor.session.$emacsMarkRing));
        },

        "test: exchangePointAndMark with multi selection": function () {
            initEditor('foo\nhello world\n123');
            var ranges = [[{row: 0, column: 0}, {row: 0, column: 3}],
                [{row: 1, column: 0}, {row: 1, column: 5}],
                [{row: 1, column: 6}, {row: 1, column: 11}]]
            ranges.forEach(function (r) {
                sel.addRange(Range.fromPoints(r[0], r[1]));
            });
            assert.equal("foo\nhello\nworld", editor.getSelectedText());
            editor.execCommand('exchangePointAndMark');
            assert.equal("foo\nhello\nworld", editor.getSelectedText());
            assert.deepEqual(pluck(ranges, 0), pluck(sel.getAllRanges(), 'cursor'), "selections dir not inverted");
        },

        "test: exchangePointAndMark with multi cursors": function () {
            initEditor('foo\nhello world\n123');
            var ranges = [[{row: 0, column: 0}, {row: 0, column: 3}],
                [{row: 1, column: 0}, {row: 1, column: 5}],
                [{row: 1, column: 6}, {row: 1, column: 11}]];
            // move cursors to the start of each range and set a mark to its end
            // without selecting anything
            ranges.forEach(function (r) {
                editor.pushEmacsMark(r[1]);
                sel.addRange(Range.fromPoints(r[0], r[0]));
            });
            assert.deepEqual(pluck(ranges, 0), pluck(sel.getAllRanges(), 'cursor'), print(sel.getAllRanges()));
            editor.execCommand('exchangePointAndMark');
            assert.deepEqual(pluck(ranges, 1), pluck(sel.getAllRanges(), 'cursor'), "not inverted: " + print(sel.getAllRanges()));
        },

        "test: setMark with multi cursors": function () {
            initEditor('foo\nhello world\n123');
            var positions = [{row: 0, column: 0},
                {row: 1, column: 0},
                {row: 1, column: 6}];
            positions.forEach(function (p) {
                sel.addRange(Range.fromPoints(p, p));
            });
            editor.execCommand('setMark');
            assert.deepEqual(positions, editor.session.$emacsMarkRing, print(editor.session.$emacsMarkRing));
        },

        "test: killLine": function () {
            initEditor("foo  \n Hello world\n  \n  123");
            sel.setRange(new Range(0, 0, 0, 2));
            editor.endOperation();
            editor.execCommand("killLine");
            assert.equal(editor.getValue(), "fo\n Hello world\n  \n  123");
            editor.execCommand("killLine");
            assert.equal(editor.getValue(), "fo Hello world\n  \n  123");
            editor.execCommand("killLine");
            assert.equal(editor.getValue(), "fo\n  \n  123");
            editor.execCommand("killLine");
            assert.equal(editor.getValue(), "fo\n  123");
            editor.execCommand("killLine");
            assert.equal(editor.getValue(), "fo  123");
            editor.execCommand("killLine");
            assert.equal(editor.getValue(), "fo");
            editor.execCommand("killLine");
            editor.execCommand("yank");
            assert.equal(editor.getValue(), "foo  \n Hello world\n  \n  123");
        }

    };

});

if (typeof module !== "undefined" && module === require.main) {
    require("asyncjs").test.testcase(module.exports).exec()
}
