PixiEditor/PixiEditorTests/ModelsTests/ToolsTests/RectangleToolTests.cs

using System;
using System.Collections.Generic;
using System.Diagnostics.CodeAnalysis;
using System.Linq;
using System.Text;
using System.Windows;
using PixiEditor;
using PixiEditor.Models.Position;
using PixiEditor.Models.Tools.Tools;
using Xunit;

namespace PixiEditorTests.ModelsTests.ToolsTests
{
    [Collection("Application collection")]
    public class RectangleToolTests
    {
        [StaTheory]
        [InlineData(0,0, 2,2)]
        [InlineData(0,0, 9, 9)]
        [InlineData(5,5, 6, 6)]
        [InlineData(0,0, 15, 15)]
        public void TestThatCreateRectangleCalculatesCorrectOutlineWithOneThickness(int startX, int startY, int endX, int endY)
        {
            RectangleTool tool = new RectangleTool();

            var outline = tool.CreateRectangle(new Coordinates(startX, startY),
                new Coordinates(endX, endY), 1);

            int expectedBorderPoints = (endX - startX) * 2 + (endY - startX) * 2;

            Assert.Equal(expectedBorderPoints, outline.Count());
        }

    }
}