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 * Copyright (c) 2010, Ajax.org B.V.
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 *       notice, this list of conditions and the following disclaimer.
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 *       notice, this list of conditions and the following disclaimer in the
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 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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if (typeof process !== "undefined") {
    require("amd-loader");
    require("./test/mockdom");
}

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

    var Document = require("./document").Document;
    var Range = require("./range").Range;
    var assert = require("./test/assertions");

    module.exports = {

        "test: insert text in line": function () {
            var doc = new Document(["12", "34"]);

            var deltas = [];
            doc.on("change", function (e) {
                deltas.push(e);
            });

            doc.insert({row: 0, column: 1}, "juhu");
            assert.equal(doc.getValue(), ["1juhu2", "34"].join("\n"));

            var d = deltas.concat();
            doc.revertDeltas(d);
            assert.equal(doc.getValue(), ["12", "34"].join("\n"));

            doc.applyDeltas(d);
            assert.equal(doc.getValue(), ["1juhu2", "34"].join("\n"));
        },

        "test: insert new line": function () {
            var doc = new Document(["12", "34"]);

            var deltas = [];
            doc.on("change", function (e) {
                deltas.push(e);
            });

            doc.insertMergedLines({row: 0, column: 1}, ['', '']);
            assert.equal(doc.getValue(), ["1", "2", "34"].join("\n"));

            var d = deltas.concat();
            doc.revertDeltas(d);
            assert.equal(doc.getValue(), ["12", "34"].join("\n"));

            doc.applyDeltas(d);
            assert.equal(doc.getValue(), ["1", "2", "34"].join("\n"));
        },

        "test: insert lines at the beginning": function () {
            var doc = new Document(["12", "34"]);

            var deltas = [];
            doc.on("change", function (e) {
                deltas.push(e);
            });

            doc.insertFullLines(0, ["aa", "bb"]);
            assert.equal(doc.getValue(), ["aa", "bb", "12", "34"].join("\n"));

            var d = deltas.concat();
            doc.revertDeltas(d);
            assert.equal(doc.getValue(), ["12", "34"].join("\n"));

            doc.applyDeltas(d);
            assert.equal(doc.getValue(), ["aa", "bb", "12", "34"].join("\n"));
        },

        "test: insert lines at the end": function () {
            var doc = new Document(["12", "34"]);

            var deltas = [];
            doc.on("change", function (e) {
                deltas.push(e);
            });

            doc.insertFullLines(2, ["aa", "bb"]);
            assert.equal(doc.getValue(), ["12", "34", "aa", "bb"].join("\n"));
        },

        "test: insert lines in the middle": function () {
            var doc = new Document(["12", "34"]);

            var deltas = [];
            doc.on("change", function (e) {
                deltas.push(e);
            });

            doc.insertFullLines(1, ["aa", "bb"]);
            assert.equal(doc.getValue(), ["12", "aa", "bb", "34"].join("\n"));

            var d = deltas.concat();
            doc.revertDeltas(d);
            assert.equal(doc.getValue(), ["12", "34"].join("\n"));

            doc.applyDeltas(d);
            assert.equal(doc.getValue(), ["12", "aa", "bb", "34"].join("\n"));
        },

        "test: insert multi line string at the start": function () {
            var doc = new Document(["12", "34"]);

            var deltas = [];
            doc.on("change", function (e) {
                deltas.push(e);
            });

            doc.insert({row: 0, column: 0}, "aa\nbb\ncc");
            assert.equal(doc.getValue(), ["aa", "bb", "cc12", "34"].join("\n"));

            var d = deltas.concat();
            doc.revertDeltas(d);
            assert.equal(doc.getValue(), ["12", "34"].join("\n"));

            doc.applyDeltas(d);
            assert.equal(doc.getValue(), ["aa", "bb", "cc12", "34"].join("\n"));
        },

        "test: insert multi line string at the end": function () {
            var doc = new Document(["12", "34"]);

            var deltas = [];
            doc.on("change", function (e) {
                deltas.push(e);
            });

            doc.insert({row: 1, column: 2}, "aa\nbb\ncc");
            assert.equal(doc.getValue(), ["12", "34aa", "bb", "cc"].join("\n"));

            var d = deltas.concat();
            doc.revertDeltas(d);
            assert.equal(doc.getValue(), ["12", "34"].join("\n"));

            doc.applyDeltas(d);
            assert.equal(doc.getValue(), ["12", "34aa", "bb", "cc"].join("\n"));
        },

        "test: insert multi line string in the middle": function () {
            var doc = new Document(["12", "34"]);

            var deltas = [];
            doc.on("change", function (e) {
                deltas.push(e);
            });

            doc.insert({row: 0, column: 1}, "aa\nbb\ncc");
            assert.equal(doc.getValue(), ["1aa", "bb", "cc2", "34"].join("\n"));

            var d = deltas.concat();
            doc.revertDeltas(d);
            assert.equal(doc.getValue(), ["12", "34"].join("\n"));

            doc.applyDeltas(d);
            assert.equal(doc.getValue(), ["1aa", "bb", "cc2", "34"].join("\n"));
        },

        "test: delete in line": function () {
            var doc = new Document(["1234", "5678"]);

            var deltas = [];
            doc.on("change", function (e) {
                deltas.push(e);
            });

            doc.remove(new Range(0, 1, 0, 3));
            assert.equal(doc.getValue(), ["14", "5678"].join("\n"));

            var d = deltas.concat();
            doc.revertDeltas(d);
            assert.equal(doc.getValue(), ["1234", "5678"].join("\n"));

            doc.applyDeltas(d);
            assert.equal(doc.getValue(), ["14", "5678"].join("\n"));
        },

        "test: delete new line": function () {
            var doc = new Document(["1234", "5678"]);

            var deltas = [];
            doc.on("change", function (e) {
                deltas.push(e);
            });

            doc.remove(new Range(0, 4, 1, 0));
            assert.equal(doc.getValue(), ["12345678"].join("\n"));

            var d = deltas.concat();
            doc.revertDeltas(d);
            assert.equal(doc.getValue(), ["1234", "5678"].join("\n"));

            doc.applyDeltas(d);
            assert.equal(doc.getValue(), ["12345678"].join("\n"));
        },

        "test: delete multi line range line": function () {
            var doc = new Document(["1234", "5678", "abcd"]);

            var deltas = [];
            doc.on("change", function (e) {
                deltas.push(e);
            });

            doc.remove(new Range(0, 2, 2, 2));
            assert.equal(doc.getValue(), ["12cd"].join("\n"));

            var d = deltas.concat();
            doc.revertDeltas(d);
            assert.equal(doc.getValue(), ["1234", "5678", "abcd"].join("\n"));

            doc.applyDeltas(d);
            assert.equal(doc.getValue(), ["12cd"].join("\n"));
        },

        "test: delete full lines": function () {
            var doc = new Document(["1234", "5678", "abcd"]);

            var deltas = [];
            doc.on("change", function (e) {
                deltas.push(e);
            });

            doc.remove(new Range(1, 0, 3, 0));
            assert.equal(doc.getValue(), ["1234", ""].join("\n"));
        },

        "test: remove lines should return the removed lines": function () {
            var doc = new Document(["1234", "5678", "abcd"]);

            var removed = doc.removeFullLines(1, 2);
            assert.equal(removed.join("\n"), ["5678", "abcd"].join("\n"));
        },

        "test: should handle unix style new lines": function () {
            var doc = new Document(["1", "2", "3"]);
            assert.equal(doc.getValue(), ["1", "2", "3"].join("\n"));
        },

        "test: should handle windows style new lines": function () {
            var doc = new Document(["1", "2", "3"].join("\r\n"));

            doc.setNewLineMode("unix");
            assert.equal(doc.getValue(), ["1", "2", "3"].join("\n"));
        },

        "test: set new line mode to 'windows' should use '\\r\\n' as new lines": function () {
            var doc = new Document(["1", "2", "3"].join("\n"));
            doc.setNewLineMode("windows");
            assert.equal(doc.getValue(), ["1", "2", "3"].join("\r\n"));
        },

        "test: set new line mode to 'unix' should use '\\n' as new lines": function () {
            var doc = new Document(["1", "2", "3"].join("\r\n"));

            doc.setNewLineMode("unix");
            assert.equal(doc.getValue(), ["1", "2", "3"].join("\n"));
        },

        "test: set new line mode to 'auto' should detect the incoming nl type": function () {
            var doc = new Document(["1", "2", "3"].join("\n"));

            doc.setNewLineMode("auto");
            assert.equal(doc.getValue(), ["1", "2", "3"].join("\n"));

            var doc = new Document(["1", "2", "3"].join("\r\n"));

            doc.setNewLineMode("auto");
            assert.equal(doc.getValue(), ["1", "2", "3"].join("\r\n"));

            doc.replace(new Range(0, 0, 2, 1), ["4", "5", "6"].join("\n"));
            assert.equal(["4", "5", "6"].join("\n"), doc.getValue());
        },

        "test: set value": function () {
            var doc = new Document("1");
            assert.equal("1", doc.getValue());

            doc.setValue(doc.getValue());
            assert.equal("1", doc.getValue());

            var doc = new Document("1\n2");
            assert.equal("1\n2", doc.getValue());

            doc.setValue(doc.getValue());
            assert.equal("1\n2", doc.getValue());
        },

        "test: empty document has to contain one line": function () {
            var doc = new Document("");
            assert.equal(doc.$lines.length, 1);
        },

        "test: ignore empty delta": function () {
            var doc = new Document("");
            doc.on("change", function () {
                throw "should ignore empty delta";
            })
            doc.insert({row: 0, column: 0}, "");
            doc.insert({row: 1, column: 1}, "");
            doc.remove({start: {row: 1, column: 1}, end: {row: 1, column: 1}});
        },

        "test: inserting huge delta": function () {
            var doc = new Document("");
            var val = "";
            var MAX = 0xF000;
            for (var i = 0; i < 10 * MAX; i++) {
                val += i + "\n"
            }
            doc.setValue(val);
            assert.equal(doc.getValue(), val);

            for (var i = 3 * MAX + 2; i >= 3 * MAX - 2; i--) {
                val = doc.getLines(0, i).join("\n");
                doc.setValue("\nab");
                assert.equal(doc.getValue(), "\nab");
                doc.insert({row: 1, column: 1}, val);
                assert.equal(doc.getValue(), "\na" + val + "b");
            }
        }
    };

});

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