WebCAD/__test__/Polyline/offsetbug.test.ts

import { Factory } from "../../src/DatabaseServices/CADFactory";
import { CADFiler } from "../../src/DatabaseServices/CADFiler";
import { Curve } from "../../src/DatabaseServices/Curve";
import { Polyline } from "../../src/DatabaseServices/Polyline";
Factory(Polyline);
function loadFile(data)
{
    let file = new CADFiler();
    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;
}
test('补充bug测试#IKWGF', () =>
{
    //https://gitee.com/BearCAD/WebThreeJs/issues/IKWGF
    let data =
        [1, "Polyline", 1, 1, 0, false, 7, 0, [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, -1.073087818696886, -6.460623229461753, 0, 1], 2, 13, [2.913294797687863, 5.657009425680781], -0.10216571300036134, [3.0668619767188887, 5.578034682080925], 0, [4.6094463694365295, 5.578034682080925], -2.632498680881094, [4.609446369436524, 3.627167630057804], 0, [2.4566473988439355, 3.627167630057804], 0, [2.4566473988439355, 3.627167630057804], 0, [2.4566473988439355, 4.990312071734102], -0.11795690250598688, [2.37813156168231, 5.1728323699421965], 0, [1.8884393063583844, 5.1728323699421965], 0, [1.8884393063583844, 5.1728323699421965], 0, [1.8884393063583844, 6.15606936416185], 0, [2.913294797687864, 6.15606936416185], 0, [2.913294797687864, 5.657009425680784], 0, false]

    let pl = loadFile(data)[0];

    //situation 1
    let cus = pl.GetOffsetCurves(0.3743);
    expect(cus.length).toBe(3);
    expect(cus[0].Length).toMatchSnapshot();
    expect(cus[1].Length).toMatchSnapshot();
    expect(cus[2].Length).toMatchSnapshot();

    //situation 2
    cus = pl.GetOffsetCurves(0.3602);
    expect(cus.length).toBe(1);
    expect(cus[0].Length).toMatchSnapshot();

    //situation 3
    cus = pl.GetOffsetCurves(0.4269);
    expect(cus.length).toBe(2);
    expect(cus[0].Length).toMatchSnapshot();
    expect(cus[1].Length).toMatchSnapshot();

    //situation 4
    cus = pl.GetOffsetCurves(0.2286);
    expect(cus.length).toBe(1);
    expect(cus[0].Length).toMatchSnapshot();

    //situation 5
    cus = pl.GetOffsetCurves(0.2309);
    expect(cus.length).toBe(2);
    expect(cus[0].Length).toMatchSnapshot();
    expect(cus[1].Length).toMatchSnapshot();

    //situation 6
    cus = pl.GetOffsetCurves(0.3792);
    expect(cus.length).toBe(3);
    expect(cus[0].Length).toMatchSnapshot();
    expect(cus[1].Length).toMatchSnapshot();
    expect(cus[2].Length).toMatchSnapshot();

});