WebCAD/__test__/Polyline/offset.test.ts

import { Factory } from "../../src/DatabaseServices/CADFactory";
import { CADFile } from "../../src/DatabaseServices/CADFile";
import { Polyline } from "../../src/DatabaseServices/Polyline";
import { Curve } from "../../src/DatabaseServices/Curve";
import { Entity } from "../../src/DatabaseServices/Entity";
Factory(Polyline);

function loadFile(data)
{
    let file = new CADFile();
    file.Data = data;
    let cus: Curve[] = [];
    let count = file.Read();
    for (let i = 0; i < count; i++)
    {
        cus.push(file.ReadObject(undefined) as Curve);
    }
    return cus;
}

function EntityToMatchSnapshot(ens: Entity[])
{
    let f = new CADFile();
    f.Write(ens.length);

    for (let e of ens)
        f.WriteObject(e);

    expect(f.Data).toMatchSnapshot();
}

test('IKKGK圆与直线补圆弧', () =>
{
    let f = new CADFile();
    f.Data =
        [1, ["Polyline", 1, 1, 5, false, 7, -1, [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, -47.808747539346534, 10.92028558763661, 0, 1], 2, 3, [-0.906131771640112, 6.969061295372345], 3.7897716494829594, [4.660056657223795, 6.487252124645892], 0, [18.466397865202012, 17.128892766521286], 0, false]]
    f.Read();
    let pl = f.ReadObject() as Polyline;

    //负1 左边. 禁止补圆弧
    let cus = pl.GetOffsetCurves(-1);

    EntityToMatchSnapshot(cus);

    pl.GetOffsetCurves(-5.654208780429431);
    //

    //翻转曲线后测试
    pl.Reverse();
    cus = pl.GetOffsetCurves(1);

    EntityToMatchSnapshot(cus);

    //圆丢失的问题
    cus = pl.GetOffsetCurves(-1.926388985025112);
    EntityToMatchSnapshot(cus);
});
describe("闭合多段线", () =>
{

    test('闭合多段线偏移测试1', () =>
    {
        let data =
            [1, ["Polyline", 1, 1, 3, false, 7, -1, [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1], 2, 4, [6.059716713881022, 3.983456090651555], 1.1217395195062214, [6.383002832861191, 4.064022662889515], 0, [4.929178470254959, 8.399433427762037], 1.2642365052895204, [5.750708215297452, 4.050991501416427], 0.7171789779484218, true]]
        let cus = loadFile(data);
        for (let i = 0.5; i < 10; i += 0.5)
        {
            expect(cus[0].GetOffsetCurves(i).length).toBe(1);
        }
        for (let i = -1.5; i < 0; i += 0.01)
        {
            if (cus[0].GetOffsetCurves(i).length === 0) console.log(i);
            expect(cus[0].GetOffsetCurves(i).length).toBe(1);
        }
        for (let i = 2; i < 10; i += 1)
        {
            expect(cus[0].GetOffsetCurves(-i).length).toBe(0);
        }
    })
    test('闭合多段线偏移测试2', () =>
    {
        let data =
            [1, ["Polyline", 1, 1, 734, false, 7, -1, [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1], 2, 4, [8.176442643449754, 4.003694129881114], 0.6482011490054378, [8.554554536583165, 4.090460859042256], 0, [7.7292787370841225, 8.733182129315965], 0, [7.8227800907745895, 4.037582052934876], 1.223388515290821, true]]

        let cus = loadFile(data);
        expect(cus[0].GetOffsetCurves(-0.1799).length).toBe(2);

        for (let i = 0.2; i < 10; i += 1)
        {
            expect(cus[0].GetOffsetCurves(i).length).toBe(1);
        }
        for (let i = -0.17; i < 0; i += 0.01)
        {
            expect(cus[0].GetOffsetCurves(i).length).toBe(1);
        }
        for (let i = -0.18; i < -0.34; i -= 0.01)
        {
            expect(cus[0].GetOffsetCurves(i).length).toBe(1);
        }
        for (let i = 0.35; i < 3; i += 0.01)
        {
            expect(cus[0].GetOffsetCurves(-i).length).toBe(0);
        }
    })
    test('闭合多段线偏移测试3', () =>
    {
        let data =
            [1, ["Polyline", 1, 1, 1172, false, 7, -1, [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1], 2, 5, [12.52535684411379, 4.512623511896158], 0.39558516940595195, [13.121416971132648, 4.487590129452889], 0, [12.414545456418505, 8.796498405316765], 0, [12.015990240675425, 8.743859037199755], 0, [12.015990240675425, 4.4951100391838885], 0.8508932598252141, true]]

        let cus = loadFile(data);
        for (let i = 0.5; i < 10; i += 1)
        {
            expect(cus[0].GetOffsetCurves(i).length).toBe(1);
        }
        for (let i = 0.1; i <= 0.5; i += 0.01)
        {
            expect(cus[0].GetOffsetCurves(-i).length).toBe(1);
        }
        for (let i = 0.51; i <= 1; i += 0.1)
        {
            expect(cus[0].GetOffsetCurves(-i).length).toBe(0);
        }
    })
    test('闭合多段线偏移测试4', () =>
    {
        let data =
            [1, ["Polyline", 1, 1, 1453, false, 7, -1, [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1], 2, 5, [17.138593827490823, 4.9429359111242475], 0.6262511063576436, [18.12066066115083, 4.8347623552068075], 0, [18.12066066115083, 10.450468898178228], 0, [16.250318720818097, 10.450468898178228], 0, [16.250318720818097, 4.952028938447833], 0.8739221457690426, true]];
        let cus = loadFile(data);
        for (let i = 0.5; i < 10; i += 0.5)
        {
            expect(cus[0].GetOffsetCurves(i).length).toBe(1);
        }
        for (let i = 0.1; i <= 0.9; i += 0.01)
        {
            expect(cus[0].GetOffsetCurves(-i).length).toBe(1);
        }
        for (let i = 1; i <= 2; i += 0.1)
        {
            expect(cus[0].GetOffsetCurves(-i).length).toBe(0);
        }
        //变换曲线顺序
        data = [1, ["Polyline", 1, 1, 1891, false, 7, -1, [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1], 2, 5, [22.178278439318607, -1.9155229050126357], 0, [22.83746943877066, -1.800164480108526], 0, [23.79329638797614, -6.11786552651948], -0.871731137783436, [23.348342463346004, -6.282663276382493], -0.7430788314178012, [22.903388538715866, -6.267501883395095], 0, true]];
        cus = loadFile(data);
        for (let i = 0.01; i <= 0.33; i += 0.01)
        {
            expect(cus[0].GetOffsetCurves(i).length).toBe(1);
        }
        for (let i = 0.34; i <= 1; i += 0.1)
        {
            expect(cus[0].GetOffsetCurves(i).length).toBe(0);
        }
    })
    test('闭合多段线偏移测试5', () =>
    {
        let data =
            [1, ["Polyline", 1, 1, 264, false, 7, -1, [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1], 2, 6, [0, 0], 0, [5, 0], 0.9999999999999999, [5, 5], -0.9999999999999999, [5, 10], 0, [0, 10], 0, [0, 0], 0, false]];
        let cus = loadFile(data);
        for (let i = 0.5; i < 10; i += 0.5)
        {
            expect(cus[0].GetOffsetCurves(i).length).toBe(1);
        }
        expect(cus[0].GetOffsetCurves(-1.3).length).toBe(2);
        expect(cus[0].GetOffsetCurves(-1.2).length).toBe(1);
        expect(cus[0].GetOffsetCurves(-2).length).toBe(1);

        for (let i = 2; i <= 2.8; i += 0.1)
        {
            expect(cus[0].GetOffsetCurves(-i).length).toBe(1);
        }
        for (let i = 2.9; i <= 6; i += 0.1)
        {
            let len = cus[0].GetOffsetCurves(-i).length;
            expect(len).toBe(0);
        }
        //反转曲线
        cus[0].Reverse();
        for (let i = 0.5; i < 10; i += 0.5)
        {
            expect(cus[0].GetOffsetCurves(-i).length).toBe(1);
        }
        expect(cus[0].GetOffsetCurves(1.3).length).toBe(2);
        expect(cus[0].GetOffsetCurves(1.2).length).toBe(1);
        expect(cus[0].GetOffsetCurves(2).length).toBe(1);

        for (let i = 2; i <= 2.8; i += 0.1)
        {
            expect(cus[0].GetOffsetCurves(i).length).toBe(1);
        }
        for (let i = 2.9; i <= 6; i += 0.1)
        {
            let len = cus[0].GetOffsetCurves(i).length;
            expect(len).toBe(0);
        }
    })
    test('闭合多段线偏移测试6', () =>
    {
        let data =
            [1, ["Polyline", 1, 1, 11080, false, 7, -1, [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, -2.007355593658339, -15.226898894860806, 0, 1], 2, 6, [0.06393073988345588, -13.474722415885717], 0, [0.06393073988345643, -4.4950563800695225], 0, [6.069811270331949, -4.495056380069524], -0.9999999999999999, [6.0698112703319484, -9.101508437403805], 0.8261854469247998, [6.069811270331948, -13.53303193559881], 0, [0.06393073988345588, -13.474722415885717], 0, false]];
        let cus = loadFile(data);
        for (let i = 0.5; i < 10; i += 0.5)
        {
            expect(cus[0].GetOffsetCurves(-i).length).toBe(1);
        }
        for (let i = 0.1; i <= 2.9; i += 0.1)
        {
            expect(cus[0].GetOffsetCurves(i).length).toBe(1);
        }
        for (let i = 3; i <= 6; i += 0.1)
        {
            let len = cus[0].GetOffsetCurves(i).length;
            expect(len).toBe(0);
        }
    })
    test('闭合多段线偏移测试7', () =>
    {
        let data =
            [1, ["Polyline", 1, 1, 3103, false, 7, -1, [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1], 2, 6, [7.068575921553821, 19.385189367549113], 0, [17.866251977281493, 27.179961431447197], -0.7242773730087224, [27.449988121418478, 20.215779833374317], -0.5496546648274403, [21.06083069199382, 18.554598901723907], 0.7351204491094537, [17.802360402987244, 16.70174324719076], -1.609719383557213, [7.068575921553821, 19.385189367549113], 0, true]];
        let cus = loadFile(data);
        //外偏移
        for (let i = 0.1; i < 5; i += 0.1)
        {
            expect(cus[0].GetOffsetCurves(-i).length).toBe(1);
        }
        //内偏移
        for (let i = 3.6; i > 0; i -= 0.1)
        {
            expect(cus[0].GetOffsetCurves(i).length).toBe(1);
        }

        for (let i = 3.7; i <= 4.7; i += 0.1)
        {
            expect(cus[0].GetOffsetCurves(i).length).toBe(2);
        }
        expect(cus[0].GetOffsetCurves(5).length).toBe(1);
        for (let i = 6.1; i < 10; i += 0.5)
        {
            expect(cus[0].GetOffsetCurves(i).length).toBe(0);
        }
    })
    test('闭合多段线偏移测试8', () =>
    {
        let data =
            [1, ["Polyline", 1, 1, 8895, false, 7, -1, [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1], 2, 9, [-35.77751476623335, 275.4953263952156], 0, [220.87993293360785, 358.6317790975911], 0, [317.8724610863793, 154.43698298649332], 0, [128.26300755464567, 91.72000989522755], 0, [202.6482547094027, 193.81740795077644], 0, [96.90452100901277, 149.33211308371583], 0, [167.64343251892882, 238.30270281783706], 0, [-5.9221441755043855, 147.87357882577945], 0, [115.1361992332179, 265.2855865896607], 0, true]];
        let cus = loadFile(data);
        //外偏移 -
        for (let i = 20; i < 200; i += 20)
        {
            expect(cus[0].GetOffsetCurves(-i).length).toBe(1);
        }
        //内偏移+
        expect(cus[0].GetOffsetCurves(15).length).toBe(1);
        expect(cus[0].GetOffsetCurves(17.8).length).toBe(2);
        expect(cus[0].GetOffsetCurves(19).length).toBe(3);
        for (let i = 20; i <= 40; i++)
        {
            expect(cus[0].GetOffsetCurves(i).length).toBe(3);
        }
        for (let i = 41; i <= 44.3; i += 0.1)
        {
            expect(cus[0].GetOffsetCurves(i).length).toBe(2);
        }
        expect(cus[0].GetOffsetCurves(45).length).toBe(1);
        for (let i = 48; i <= 200; i += 10)
        {
            expect(cus[0].GetOffsetCurves(i).length).toBe(0);
        }
    })
    test('闭合多段线偏移测试9', () =>
    {
        let data =
            [1, ["Polyline", 1, 1, 12283, false, 2, -1, [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, -2494.1602062139054, -154.37421492307953, 0, 1], 2, 4, [-835.9056689963722, -81.71614968554674], -1.404257507243489, [-2.5205246091134654, -224.3682931983378], -0.7704346688180675, [-677.9527382520764, -55.635630094036955], 0, [-835.9056689963722, -81.71614968554674], 0, false]];
        let cus = loadFile(data);
        //外偏移 -
        //内偏移+
        for (let i = -350; i <= 350; i += 50)
        {
            if (i === 0) continue;
            expect(cus[0].GetOffsetCurves(i).length).toBe(1);
        }
        expect(cus[0].GetOffsetCurves(360).length).toBe(0);
        for (let i = 360; i <= 460; i += 50)
        {
            expect(cus[0].GetOffsetCurves(i).length).toBe(0);
        }
    })
    test('闭合多段线偏移测试10', () =>
    {
        let data =
            [1, ["Polyline", 1, 1, 4133, false, 7, -1, [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, -38.7066882611841, -36.73336766355714, 0, 1], 2, 10, [57.916496677407835, -1.0361149153581897], 0, [57.916496677407835, 9.149866136686853], 0, [63.00948720343037, 6.40233177396418], 0, [67.96845166297861, 11.696361399698116], 0, [67.96845166297861, 5.866227508067071], 0, [76.41209385085804, 8.144670638129776], -0.6438035714487224, [82.13500688930966, 1.215523001409662], -0.16133386709235895, [73.7315725213725, -7.388950466238915], -0.24328993833238707, [62.473382937533245, -7.388950466238914], 0.16864648307761998, [53.5472469103464, -6.102300228085856], -1.9523252757782097, true]];
        let cus = loadFile(data);
        //外偏移 -
        for (let i = 1; i < 20; i++)
        {
            expect(cus[0].GetOffsetCurves(-i).length).toBe(1);
        }

        //内偏移+
        expect(cus[0].GetOffsetCurves(2.3).length).toBe(1);
        for (let i = 2.5; i < 4; i += 0.5)
        {
            expect(cus[0].GetOffsetCurves(i).length).toBe(2);
        }
        for (let i = 4.2; i <= 7.2; i += 0.4)
        {
            expect(cus[0].GetOffsetCurves(i).length).toBe(1);
        }
        for (let i = 7.5; i <= 15.5; i++)
        {
            expect(cus[0].GetOffsetCurves(i).length).toBe(0);
        }
    })
    test('闭合多段线偏移测试11', () =>
    {
        let data =
            [1, ["Polyline", 1, 1, 109, false, 7, -1, [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1], 2, 9, [8.533519553072624, 3.044692737430166], 0, [8.198324022346368, 5.782122905027932], 0, [9.483240223463685, 4.594972067039105], 0, [10.293296089385473, 4.958100558659217], 0, [11.298882681564244, 3.50558659217877], 0, [11.648044692737429, 3.1424581005586587], 0, [9.525139664804467, 2.3324022346368705], 0, [9.748603351955305, 3.589385474860334], 0, [8.519553072625698, 1.3268156424580995], 0, true]];
        let cus = loadFile(data);
        //外偏移 -
        for (let i = 0.1; i <= 0.3; i += 0.1)
        {
            expect(cus[0].GetOffsetCurves(-i).length).toBe(1);
        }

        //内偏移+
        expect(cus[0].GetOffsetCurves(0.15).length).toBe(1);

        for (let i = 0.2; i <= 0.7; i += 0.1)
        {
            expect(cus[0].GetOffsetCurves(i).length).toBe(2);
        }
        for (let i = 0.8; i <= 3.8; i++)
        {
            expect(cus[0].GetOffsetCurves(i).length).toBe(0);
        }

    })
    test('闭合多段线偏移测试12', () =>
    {
        let data =
            [1, ["Polyline", 1, 1, 4132, false, 7, -1, [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1], 2, 12, [13.549363225511495, 3.33570646745377], 0, [14.34284463241268, 4.996139781895137], 0, [14.523074259257426, 3.9557232996550056], 0, [15.838887129162556, 4.9814356943054605], 0, [15.943612070431213, 3.9627476292376005], 0, [17.33950450111622, 4.461280640196535], 0, [18.123624596131165, 2.7156799524846913], 0, [17.99903152781382, 1.6177035379380693], 0, [16.03466125512531, 2.900960499995888], 0, [15.014220997727234, 1.7794865537465168], 0, [14.332835411729478, 2.6268506799232134], 0, [13.549363225511495, 3.33570646745377], 0, false]];
        let cus = loadFile(data);
        //外偏移 -
        for (let i = 0.5; i <= 2; i += 0.5)
        {
            expect(cus[0].GetOffsetCurves(-i).length).toBe(1);
        }

        //内偏移+
        expect(cus[0].GetOffsetCurves(0.3).length).toBe(1);
        expect(cus[0].GetOffsetCurves(0.4).length).toBe(2);
        expect(cus[0].GetOffsetCurves(0.46).length).toBe(3);
        expect(cus[0].GetOffsetCurves(0.5).length).toBe(2);
        expect(cus[0].GetOffsetCurves(0.9).length).toBe(1);

        for (let i = 0.5; i <= 0.85; i += 0.05)
        {
            expect(cus[0].GetOffsetCurves(i).length).toBe(2);
        }
        for (let i = 1; i <= 2; i += 0.1)
        {
            expect(cus[0].GetOffsetCurves(i).length).toBe(0);
        }

    })
    test('闭合多段线偏移测试13', () =>
    {
        let data =
            [1, ["Polyline", 1, 1, 2689, false, 7, -1, [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 13.053732578466253, -1.845982384833612, 0, 1], 2, 12, [10.73237450059647, 5.925995426719515], 0, [14.934000173256667, 9.279899014962986], 0, [15.443475259425389, 6.338838290261696], 0, [16.902963217271246, 7.476549375511614], 0, [17.07910144494388, 5.7632047972414195], 0, [18.04054823840169, 6.106578652047782], 0, [19.469515702452366, 2.925424892792106], 0, [19.064111106000592, -0.6472031134391991], 0, [17.253277279358528, 2.956832838161076], 0, [14.95258895308757, 3.1324290048358128], 0, [13.37431523183268, 1.7225442000746034], 0, [10.73237450059647, 5.925995426719515], 0, false]];
        let cus = loadFile(data);
        //外偏移 -
        for (let i = 0.5; i <= 2; i += 0.5)
        {
            expect(cus[0].GetOffsetCurves(-i).length).toBe(1);
        }
        //内偏移+
        expect(cus[0].GetOffsetCurves(1).length).toBe(1);
        expect(cus[0].GetOffsetCurves(1.2).length).toBe(3);
    })
    test('闭合多段线偏移测试14', () =>
    {
        let data =
            [1, ["Polyline", 1, 1, 1625, false, 7, -1, [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1], 2, 14, [340.820007357324, -3.870032999900914], 0, [431.6163856609081, 116.2815653567217], 0, [485.54806901416487, 54.84040710617603], 0, [533.3356365423672, 67.81131829240235], 0, [624.1320148459513, 40.504136847715344], 0, [656.9006325795757, 23.43714844478601], -0.783383849320176, [633.0068488154745, -74.86870475608706], 0.4462700081240285, [605.0169878346704, -106.27196341747704], -0.8416099256631104, [529.9222388617812, -128.11770857322662], 0, [510.1245323143834, -22.98506001118185], 0, [430.251026588674, -129.48306764546098], 0, [430.251026588674, -65.99387078656383], 0, [351.74287993519897, -145.86737651227318], 0, [303.2726328708796, -87.83961594231337], 0, true]];
        let cus = loadFile(data);
        //外偏移 -
        for (let i = 10; i <= 90; i += 10)
        {
            expect(cus[0].GetOffsetCurves(-i).length).toBe(1);
        }
        //内偏移+
        for (let i = 5; i <= 25; i += 10)
        {
            expect(cus[0].GetOffsetCurves(i).length).toBe(1);
        }
        expect(cus[0].GetOffsetCurves(26.5).length).toBe(2);
        expect(cus[0].GetOffsetCurves(36).length).toBe(2);
        expect(cus[0].GetOffsetCurves(36.1).length).toBe(3);
        expect(cus[0].GetOffsetCurves(45).length).toBe(2);
        expect(cus[0].GetOffsetCurves(60).length).toBe(1);
        for (let i = 71; i <= 101; i += 10)
        {
            expect(cus[0].GetOffsetCurves(i).length).toBe(0);
        }

    })
    test('闭合多段线偏移测试15', () =>
    {
        let data =
            [1, ["Polyline", 1, 1, 394, false, 7, -1, [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1], 2, 8, [-3.096429035694039, 1.977370035127478], 0, [2.646251476487261, 5.186031066288948], -0.5113280232193118, [8.158566581303122, 2.619102241359773], 0.23700604598013766, [11.103952861189804, -1.2148363240793185], -1.4842976346055852, [7.994019861756378, -4.028585228328609], 0.5402454464135219, [3.1398916351274853, -2.8932128634560885], -1.0879771453350477, [1.4615150957507161, -0.803469525212464], -0.082022192610066, [-3.096429035694039, 1.977370035127478], 0, true]];
        let cus = loadFile(data);
        //外偏移 -
        for (let i = 0.5; i <= 5.5; i += 1)
        {
            expect(cus[0].GetOffsetCurves(-i).length).toBe(1);
        }
        //内偏移+
        for (let i = 0.1; i <= 1.8; i += 0.3)
        {
            expect(cus[0].GetOffsetCurves(i).length).toBe(1);
        }

        for (let i = 1.9; i <= 2.2; i += 0.05)
        {
            expect(cus[0].GetOffsetCurves(i).length).toBe(2);
        }
        for (let i = 2.3; i <= 3.7; i += 0.2)
        {
            expect(cus[0].GetOffsetCurves(i).length).toBe(1);
        }
        for (let i = 3.9; i <= 6.9; i += 0.5)
        {
            expect(cus[0].GetOffsetCurves(i).length).toBe(0);
        }
    })
    test('闭合多段线偏移测试16', () =>
    {
        let data =
            [1, ["Polyline", 1, 1, 4, false, 7, -1, [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1], 2, 5, [-6.203966005665723, -0.056657223796033884], 0, [-1.8834846458923415, -0.923353563739375], -1.4125691360015384, [-1.9069913201133035, -1.5932937790368253], 0, [-6.189801699716714, -2.2096317280453257], -2.3881275241710798, [-6.203966005665723, -0.056657223796033884], 0, true]];
        let cus = loadFile(data);
        //外偏移 -
        //内偏移+
        for (let i = -1.5; i <= 1.5; i += 0.2)
        {
            expect(cus[0].GetOffsetCurves(i).length).toBe(1);
        }
        expect(cus[0].GetOffsetCurves(1.6).length).toBe(0);
        for (let i = 1.6; i <= 4.6; i++)
        {
            expect(cus[0].GetOffsetCurves(i).length).toBe(0);
        }
    })

})
describe("补圆弧测试", () =>
{
    test("补圆弧测试1", () =>
    {
        let data =
            [1, ["Polyline", 1, 1, 8815, false, 7, -1, [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1], 2, 5, [-99.60068327971061, 80.69599512140186], 0, [-48.362234971168355, 80.69599512140186], -0.9874208089640422, [-14.972250883848176, 88.46675505445091], -1.1745224194600496, [18.29631507951812, 78.51046889023182], 0, [89.44733571649859, 78.5104688902318], 0, false]];
        let cus = loadFile(data);
        // 向上-
        // 向下+
        expect(cus[0].GetOffsetCurves(17.45).length).toBe(2);
        for (let i = -55; i <= 55; i++)
        {
            if (i === 0) continue;
            expect(cus[0].GetOffsetCurves(i).length).toBe(1);
        }
    })
    test("补圆弧测试2", () =>
    {
        let data =
            [1, ["Polyline", 1, 1, 12266, false, 7, -1, [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1], 2, 5, [-869.4193524531552, -50.92359793870933], 0, [-609.861025770732, -50.92359793870939], -0.8167984427288847, [-480.7149315189898, -23.068558002059024], -1.4042575072434897, [-317.9835774160859, -50.92359793870939], 0, [-92.77019349218811, -50.92359793870939], 0, false]];
        let cus = loadFile(data);
        // 向上-
        // 向下+
        expect(cus[0].GetOffsetCurves(83.24).length).toBe(2);
        expect(cus[0].GetOffsetCurves(86.46).length).toBe(2);
        for (let i = 364; i <= 395; i++)
        {
            expect(cus[0].GetOffsetCurves(i).length).toBe(1);
        }
    })
    test("补圆弧测试3", () =>
    {
        let data =
            [1, ["Polyline", 1, 1, 12272, false, 7, -1, [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1], 2, 4, [-894.3165541673695, -331.80629190023], 0, [-671.3300245231958, -331.80629190023], -1.0058680701224356, [-535.7124860261546, -329.1982623137485], 0, [-214.92484688892245, -329.1982623137485], 0, false]];
        let cus = loadFile(data);
        // 向上-
        // 向下+
        expect(cus[0].GetOffsetCurves(-1200).length).toBe(1);
        for (let i = 63; i <= 94; i++)
        {
            expect(cus[0].GetOffsetCurves(i).length).toBe(1);
        }
    })
    test("补圆弧测试3", () =>
    {
        let data =
            [1, ["Polyline", 1, 1, 195, false, 7, -1, [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1], 2, 23, [-25.572010711696727, -62.383195892823124], 0, [-10.312959798454724, -40.55427583637971], 0, [0.28360333574111785, -55.81332674962171], 0, [9.820510156517361, -48.18380129300071], 0, [18.721623189241864, -65.13830230771404], 0, [29.530117586121616, -60.47581452866788], 0, [39.06702440689787, -79.97349069558823], 0, [51.78290016793288, -70.64851513749588], -0.6227891115113805, [70.85671380948538, -80.60928448363998], 0.3759603135798005, [86.75155851077912, -99.68309812519247], -1.1383492019405204, [81.45327694368122, -117.6972554533254], 0.6271394112393051, [57.2931129977147, -138.2545879336653], -1.2933960333754264, [21.68866086681669, -138.2545879336653], -0.8106183277649434, [-17.73055399239181, -132.9563063665674], 0, [-43.37423677714574, -105.82910474302606], 0, [-51.003762233766736, -83.5763221612148], 0, [-48.67251834424364, -64.07864599429448], 0, [-62.65998168138215, -50.09118265715597], 0, [-86.39628310198083, -65.35023357039795], 0, [-86.39628310198083, -33.13668164244262], 0, [-73.68040734094582, -13.639005475522275], 0, [-43.16230551446182, -13.639005475522275], 0, [-33.62539869368556, -11.307761585999202], 0, false]];
        let cus = loadFile(data);
        // 向外-
        // 向内+
        expect(cus[0].GetOffsetCurves(18).length).toBe(3);
        for (let i = 50; i <= 80; i += 5)
        {
            expect(cus[0].GetOffsetCurves(-i).length).toBe(1);
        }
        //FIXME:没清理干净
        // expect(cus[0].GetOffsetCurves(27.3).length).toBe(1);
    })
    test("补圆弧测试3", () =>
    {
        let data =
            [1, ["Polyline", 1, 1, 3, false, 7, -1, [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1], 2, 10, [-5.637393767705383, -1.586402266288952], 0, [-0.84985835694051, 1.954674220963173], -0.5207626681247078, [1.728045325779038, 1.0906515580736542], -1.2136457904456304, [4.060938624362605, 1.3838754084985838], -1.0694858869096764, [6.891142200566573, -0.047681051558073895], -1.4716493502287318, [9.178341602266286, -2.976612659490083], -1.5003222663355726, [8.09233325325779, -7.040916632294616], -0.9628743606456998, [4.53257790368272, -7.478753541076488], -1.076087427994497, [2.3229461756373926, -7.478753541076488], 0, [-5.39660056657224, -7.478753541076487], 0, false]];
        let cus = loadFile(data);
        // 向外-
        // 向内+
        expect(cus[0].GetOffsetCurves(1.88).length).toBe(2);
        expect(cus[0].GetOffsetCurves(2.12).length).toBe(2);
        expect(cus[0].GetOffsetCurves(3.2).length).toBe(1);
        for (let i = 0.5; i <= 3.5; i += 0.5)
        {
            expect(cus[0].GetOffsetCurves(-i).length).toBe(1);
        }
        for (let i = 3.3; i <= 5.3; i += 0.5)
        {
            expect(cus[0].GetOffsetCurves(i).length).toBe(0);
        }
        for (let i = 2.33; i <= 3.2; i += 0.2)
        {
            expect(cus[0].GetOffsetCurves(i).length).toBe(1);
        }
    })
})

describe("不规则不闭合多段线测试", () =>
{
    test("test1", () =>
    {
        let data =
            [1, ["Polyline", 1, 1, 3135, false, 7, -1, [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1], 2, 6, [16.034190840579708, -16.545186318840567], 0, [36.985943188405784, -16.545186318840567], 0, [31.311510260869554, -12.507609043478254], 0, [48.334809043478245, -12.507609043478254], 0, [43.969860637681144, -16.6543100289855], 0, [56.84645843478259, -16.654310028985503], 0, false]];
        let cus = loadFile(data);
        for (let i = 1.27; i <= 2.96; i += 0.2)
        {
            expect(cus[0].GetOffsetCurves(i).length).toBe(2);
        }
        expect(cus[0].GetOffsetCurves(9.16).length).toBe(2);
        for (let i = 0.5; i <= 7.5; i++)
        {
            expect(cus[0].GetOffsetCurves(-i).length).toBe(1);
        }

    })
    test("test2", () =>
    {
        let data =
            [1, ["Polyline", 1, 1, 8814, false, 7, -1, [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1], 2, 7, [15.642409533480423, -31.01626057276902], 0, [38.129771973149346, -31.016260572769028], 0, [32.85929640135194, -26.50707591689791], 0, [47.440945483324754, -26.50707591689791], 0, [45.33685543194063, -31.016260572769028], 0, [61.52187596164093, -31.016260572769035], 0, [70.31099992504923, -35.88209931313313], 0, false]];
        let cus = loadFile(data);
        for (let i = 1.82; i <= 3.37; i += 0.3)
        {
            expect(cus[0].GetOffsetCurves(i).length).toBe(2);
        }
        expect(cus[0].GetOffsetCurves(18).length).toBe(2);
        for (let i = 1; i <= 27; i += 5)
        {
            expect(cus[0].GetOffsetCurves(-i).length).toBe(1);
        }

    })
    test("test3", () =>
    {
        let data =
            [1, ["Polyline", 1, 1, 4308, false, 7, -1, [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1], 2, 5, [-41.52354973772388, -163.989590203395], 0, [-41.5235497377239, -231.3399374277236], 0, [21.016058399152634, -231.3399374277236], 0, [21.016058399152623, -294.68133541250876], 1.378670046466899, [261.5530127717545, -216.10593031745873], 0, false]];
        let cus = loadFile(data);
        for (let i = -100; i <= 181; i += 30)
        {
            expect(cus[0].GetOffsetCurves(i).length).toBe(1);
        }
        expect(cus[0].GetOffsetCurves(-122.6).length).toBe(2);
    })
    test("test4", () =>
    {
        let data =
            [1, ["Polyline", 1, 1, 14565, false, 7, -1, [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, -131.50093441946296, -806.1569163328921, 0, 1], 2, 24, [256.5228611988947, -38.705370748164505], 0, [372.1955588024039, 31.844231195771492], 0, [372.1955588024039, -31.54297461172431], 0, [450.9819163032461, 37.57414810492366], 0, [423.0485713711294, -54.10452244151095], 0, [589.216161736542, 52.97329979827009], 0, [611.0614699526845, -2.177150452319474], 0, [672.6580767260702, 61.21005535517633], 0, [678.0298738284004, 13.938240854670997], 0, [735.329042919922, 21.100636991111184], 0, [684.1179105443746, -21.515620020708024], 0, [730.6734854312358, -32.61733403219032], 0, [815.1897598412304, 38.29038771856768], 0, [835.6025888300849, -8.981426781937659], 0, [862.1034545349137, 74.4604882075907], 0, [943.4539498526012, 74.46048820759069], 0, [986.972668777612, -29.064785548515978], 0, [924.5022496755805, -66.26627108118637], 0, [1001.0109652050348, -106.27541589934134], 0, [965.9152241364777, -128.73669018321777], 0, [1006.6262837760039, -176.46689803645526], 0, [904.1467198558175, -189.8032796425069], 0, [981.3573502066429, -242.44689124534239], 0, [1004.5205393118904, -256.48518767276516], 0, false]];
        let cus = loadFile(data);
        for (let i = 50; i <= 250; i += 50)
        {
            expect(cus[0].GetOffsetCurves(-i).length).toBe(1);
        }
        expect(cus[0].GetOffsetCurves(46.8).length).toBe(2);
        expect(cus[0].GetOffsetCurves(49.6).length).toBe(3);
        expect(cus[0].GetOffsetCurves(86.6).length).toBe(2);
        expect(cus[0].GetOffsetCurves(102.3).length).toBe(2);
        for (let i = 110; i <= 200; i += 30)
        {
            expect(cus[0].GetOffsetCurves(i).length).toBe(1);
        }
    })
    test("test5", () =>
    {
        let data =
            [1, ["Polyline", 1, 1, 3, false, 7, -1, [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1], 2, 18, [-3.895184135977337, 0.7648725212464592], 0, [0.8215297450424939, 0.7648725212464592], 0, [-2.1246458923512743, -2.1388101983002827], 0, [5.311614730878187, -2.1388101983002827], 0, [1.89801699716714, 3.4844192634560907], 0, [6.671388101983003, 3.4844192634560907], 0, [6.671388101983002, -3.4985835694051], 0, [10.6657223796034, -0.11331444759206824], 0, [8.810198300283286, 1.161473087818697], 0, [14.674220963172807, 3.30028328611898], 0, [16.713881019830033, -2.521246458923512], 0, [11.55807365439094, -5.773371104815864], 0, [3.8441926345609083, -5.773371104815863], 0, [2.3569405099150167, -8.787535410764873], 0, [-1.5297450424929169, -6.090651558073655], 0, [-6.586402266288951, -12.674220963172807], 0, [-8.113314447592067, -8.767705382436262], 0, [-10.929178470254957, -12.436260623229463], 0, false]];
        let cus = loadFile(data);
        expect(cus[0].GetOffsetCurves(0.755).length).toBe(3);
        expect(cus[0].GetOffsetCurves(1.915).length).toBe(4);
        expect(cus[0].GetOffsetCurves(2.36).length).toBe(4);
        expect(cus[0].GetOffsetCurves(2.892).length).toBe(2);
        expect(cus[0].GetOffsetCurves(3.6850).length).toBe(1);
        expect(cus[0].GetOffsetCurves(-1).length).toBe(3);
        for (let i = 2; i <= 4; i++)
        {
            expect(cus[0].GetOffsetCurves(-i).length).toBe(1);
        }

    })
    test("test6", () =>
    {
        let data =
            [1, ["Polyline", 1, 1, 2781, false, 7, -1, [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, -38.54242746474825, 6.4891615215880964, 0, 1], 2, 3, [18.466397865202012, 17.128892766521286], 0, [4.660056657223795, 6.487252124645892], -3.7897716494829594, [-0.906131771640112, 6.969061295372345], 0, false]];
        let cus = loadFile(data);

        for (let i = -2.766; i <= 4.57; i++)
        {
            expect(cus[0].GetOffsetCurves(-i).length).toBe(1);
        }
        for (let i = 2.9; i <= 5.3; i += 0.5)
        {
            expect(cus[0].GetOffsetCurves(i).length).toBe(2);
        }
        for (let i = 6.14; i <= 8; i += 0.5)
        {
            expect(cus[0].GetOffsetCurves(i).length).toBe(1);
        }
        cus[0].Reverse();
        for (let i = -2.766; i <= 4.57; i++)
        {
            expect(cus[0].GetOffsetCurves(i).length).toBe(1);
        }
        for (let i = 2.9; i <= 5.3; i += 0.5)
        {
            expect(cus[0].GetOffsetCurves(-i).length).toBe(2);
        }
        for (let i = 6.14; i <= 8; i += 0.5)
        {
            expect(cus[0].GetOffsetCurves(-i).length).toBe(1);
        }
    })
    test("test7", () =>
    {
        let data =
            [1, ["Polyline", 1, 1, 2347, false, 1, -1, [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, -86.54515219838936, -34.782221464287886, 0, 1], 2, 5, [-51.274354719855246, 28.573003242461496], 0, [-13.931531095689206, 15.255196629685734], 3.7897716494829594, [-8.365342666825299, 14.77338745895928], 0, [5.4409985411529185, 25.415028100834675], 0.37399715496699776, [29.033295173881022, 23.38858533792915], 0, false]];
        let cus = loadFile(data);
        expect(cus[0].GetOffsetCurves(-3.133).length).toBe(2);
        for (let i = 10; i <= 60; i++)
        {
            expect(cus[0].GetOffsetCurves(i).length).toBe(1);
        }
        for (let i = 5.9; i <= 43.3; i += 5)
        {
            expect(cus[0].GetOffsetCurves(-i).length).toBe(1);
        }
        cus[0].Reverse();
        expect(cus[0].GetOffsetCurves(3.133).length).toBe(2);
        for (let i = 10; i <= 60; i++)
        {
            expect(cus[0].GetOffsetCurves(-i).length).toBe(1);
        }
        for (let i = 5.9; i <= 43.3; i += 5)
        {
            expect(cus[0].GetOffsetCurves(i).length).toBe(1);
        }
    })
    test("test8", () =>
    {
        let data =
            [1, ["Polyline", 1, 1, 395, false, 7, -1, [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1], 2, 8, [14.442408344729744, 12.584578126613017], 0, [14.442408344729742, 4.502438174603963], 0, [20.086360825183, 4.502438174603963], 0, [20.086360825183, -0.9157562066311582], 0, [26.226981123916133, -0.9157562066311598], 0.4633692494967541, [33.496391918739924, 7.663051563657783], -0.673355221273594, [51.96340443478295, 18.996108144407916], 0.32851266965536, [64.10919017271836, 18.996108144407913], -1.9784627492130062, false]];
        let cus = loadFile(data);
        for (let i = -15; i <= 15; i += 5)
        {
            if (i === 0) continue;
            expect(cus[0].GetOffsetCurves(i).length).toBe(1);
        }
    })
})


test('提前丢失所有的线段', () =>
{
    let f = new CADFile();

    f.Data =
        [1, ["Polyline", 1, 1, 12, false, 7, -1, [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, -17.386067452264705, 17.11283965241085, 0, 1], 2, 3, [108.37693694676932, 28.257776463252547], 0.4472440944881872, [108.37693694676932, 17.68555707305448], 3.5940684866260213, [111.70676982557188, 14.089337563947739], 0.5086040192926764, false]]

    f.Read();

    let pl = f.ReadObject() as Polyline;

    let cus = pl.GetOffsetCurves(-7.155086190577401);

    expect(cus.length).toBe(0);
});


test('中间区域需要圆裁剪', () =>
{
    let f = new CADFile();

    f.Data =
        [1, ["Polyline", 1, 1, 2628, false, 1, -1, [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, -1325.2800870006804, -703.3564533406019, 0, 1], 2, 5, [-51.274354719855246, 28.573003242461496], 0, [-13.931531095689206, 15.255196629685734], 3.7897716494829594, [-8.365342666825299, 14.77338745895928], 0, [5.4409985411529185, 25.415028100834675], 0.37399715496699776, [29.033295173881022, 23.38858533792915], 0, false]]

    f.Read();

    let pl = f.ReadObject() as Polyline;

    let cus = pl.GetOffsetCurves(-35.6);

    EntityToMatchSnapshot(cus);
});