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

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

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

    module.exports = {

        "test create anchor": function () {
            var doc = new Document("juhu");
            var anchor = new Anchor(doc, 0, 0);

            assert.position(anchor.getPosition(), 0, 0);
            assert.equal(anchor.getDocument(), doc);
        },

        "test insert text in same row before cursor should move anchor column": function () {
            var doc = new Document("juhu\nkinners");
            var anchor = new Anchor(doc, 1, 4);

            doc.insert({row: 1, column: 1}, "123");
            assert.position(anchor.getPosition(), 1, 7);
        },

        "test insert text at anchor should not move anchor when insertRight is true": function () {
            var doc = new Document("juhu\nkinners");
            var anchor = new Anchor(doc, 1, 4);
            anchor.$insertRight = true;

            doc.insert({row: 1, column: 4}, "123");
            assert.position(anchor.getPosition(), 1, 4);
        },

        "test insert lines before cursor should move anchor row": function () {
            var doc = new Document("juhu\nkinners");
            var anchor = new Anchor(doc, 1, 4);

            doc.insertFullLines(1, ["123", "456"]);
            assert.position(anchor.getPosition(), 3, 4);
        },

        "test insert lines at anchor position should move anchor down": function () {
            var doc = new Document("juhu\nkinners");
            var anchor = new Anchor(doc, 1, 0);

            doc.insertLines(1, ["line"]);
            assert.position(anchor.getPosition(), 2, 0);
        },

        "test insert lines at anchor position should not move anchor down when insertRight is true and column is 0": function () {
            var doc = new Document("juhu\nkinners");
            var anchor = new Anchor(doc, 1, 0);
            anchor.$insertRight = true;

            doc.insertLines(1, ["line"]);
            assert.position(anchor.getPosition(), 1, 0);
        },

        "test insert lines at anchor row should move anchor down when column > 0": function () {
            var doc = new Document("juhu\nkinners");
            var anchor = new Anchor(doc, 1, 2);
            anchor.$insertRight = true;

            doc.insertLines(1, ["line"]);
            assert.position(anchor.getPosition(), 2, 2);
        },

        "test insert new line before cursor should move anchor column": function () {
            var doc = new Document("juhu\nkinners");
            var anchor = new Anchor(doc, 1, 4);

            doc.insertMergedLines({row: 0, column: 0}, ['', '']);
            assert.position(anchor.getPosition(), 2, 4);
        },

        "test insert new line in anchor line before anchor should move anchor column and row": function () {
            var doc = new Document("juhu\nkinners");
            var anchor = new Anchor(doc, 1, 4);

            doc.insertMergedLines({row: 1, column: 2}, ['', '']);
            assert.position(anchor.getPosition(), 2, 2);
        },

        "test delete text in anchor line before anchor should move anchor column": function () {
            var doc = new Document("juhu\nkinners");
            var anchor = new Anchor(doc, 1, 4);

            doc.remove(new Range(1, 1, 1, 3));
            assert.position(anchor.getPosition(), 1, 2);
        },

        "test remove range which contains the anchor should move the anchor to the start of the range": function () {
            var doc = new Document("juhu\nkinners");
            var anchor = new Anchor(doc, 0, 3);

            doc.remove(new Range(0, 1, 1, 3));
            assert.position(anchor.getPosition(), 0, 1);
        },

        "test delete character before the anchor should have no effect": function () {
            var doc = new Document("juhu\nkinners");
            var anchor = new Anchor(doc, 1, 4);

            doc.remove(new Range(1, 4, 1, 5));
            assert.position(anchor.getPosition(), 1, 4);
        },

        "test delete lines in anchor line before anchor should move anchor row": function () {
            var doc = new Document("juhu\n1\n2\nkinners");
            var anchor = new Anchor(doc, 3, 4);

            doc.removeFullLines(1, 2);
            assert.position(anchor.getPosition(), 1, 4);
        },

        "test remove new line before the cursor": function () {
            var doc = new Document("juhu\nkinners");
            var anchor = new Anchor(doc, 1, 4);

            doc.removeNewLine(0);
            assert.position(anchor.getPosition(), 0, 8);
        },

        "test delete range which contains the anchor should move anchor to the end of the range": function () {
            var doc = new Document("juhu\nkinners");
            var anchor = new Anchor(doc, 1, 4);

            doc.remove(new Range(0, 2, 1, 2));
            assert.position(anchor.getPosition(), 0, 4);
        },

        "test delete line which contains the anchor should move anchor to the end of the range": function () {
            var doc = new Document("juhu\nkinners\n123");
            var anchor = new Anchor(doc, 1, 5);

            doc.removeFullLines(1, 1);
            assert.position(anchor.getPosition(), 1, 0);
        },

        "test remove after the anchor should have no effect": function () {
            var doc = new Document("juhu\nkinners\n123");
            var anchor = new Anchor(doc, 1, 2);

            doc.remove(new Range(1, 4, 2, 2));
            assert.position(anchor.getPosition(), 1, 2);
        },

        "test anchor changes triggered by document changes should emit change event": function (next) {
            var doc = new Document("juhu\nkinners\n123");
            var anchor = new Anchor(doc, 1, 5);

            anchor.on("change", function (e) {
                assert.position(anchor.getPosition(), 0, 0);
                next();
            });

            doc.remove(new Range(0, 0, 2, 1));
        },

        "test only fire change event if position changes": function () {
            var doc = new Document("juhu\nkinners\n123");
            var anchor = new Anchor(doc, 1, 5);

            anchor.on("change", function (e) {
                assert.fail();
            });

            doc.remove(new Range(2, 0, 2, 1));
        },

        "test insert/remove lines at the end of the document": function () {
            var doc = new Document("juhu\nkinners\n123");
            var anchor = new Anchor(doc, 2, 4);

            doc.removeFullLines(0, 3);
            assert.position(anchor.getPosition(), 0, 0);
            doc.insertFullLines(0, ["a", "b", "c"]);
            assert.position(anchor.getPosition(), 3, 0);
            assert.equal(doc.getValue(), "a\nb\nc\n");
        }
    };

});

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