OthelloBoardModelTests.cs

using NUnit.Framework;
using Zenject;

[TestFixture]
public class OthelloBoardModelTests : ZenjectUnitTestFixture {
    [Test]
    public void TryPlaceDiskAt3d_Default_InvokeOnPlaceDiskEventAt3d() {
        OthelloBoardModel model = Container.Instantiate<OthelloBoardModel>();

        int actualX = 0, actualY = 0;
        model.OnPlaceDisk += delegate ( int x, int y, Disk disk ) {
            actualX = x;
            actualY = y;
        };

        model.TryPlaceDisk( 3, 4 );

        Assert.AreEqual( 3, actualX );
        Assert.AreEqual( 4, actualY );
    }

    [Test]
    public void TryPlaceDiskAt8h_Default_InvokeOnPlaceDiskEventAt8h() {
        OthelloBoardModel model = Container.Instantiate<OthelloBoardModel>();

        int actualX = 0, actualY = 0;
        model.OnPlaceDisk += delegate ( int x, int y, Disk disk ) {
            actualX = x;
            actualY = y;
        };

        model.TryPlaceDisk( 8, 8 );

        Assert.AreEqual( 8, actualX );
        Assert.AreEqual( 8, actualY );
    }

    [Test]
    public void TryPlaceDiskOutOfBoard_Default_DoesNotInvokeOnPlaceDiskEvent() {
        OthelloBoardModel model = Container.Instantiate<OthelloBoardModel>();

        bool flag = false;
        model.OnPlaceDisk += delegate ( int x, int y, Disk disk ) {
            flag = true;
        };

        model.TryPlaceDisk( 1, 9 );
        model.TryPlaceDisk( 0, 8 );
        model.TryPlaceDisk( 9, 5 );
        model.TryPlaceDisk( 9, -1 );

        Assert.AreEqual( false, flag );
    }

    [Test]
    public void TryPlaceDiskAt3d_DoTwice_TheSecondTimeDoesNotInvokeOnPlaceDiskEvent() {
        OthelloBoardModel model = Container.Instantiate<OthelloBoardModel>();
        model.TryPlaceDisk( 3, 4 );

        bool flag = false;
        model.OnPlaceDisk += delegate ( int x, int y, Disk disk ) {
            flag = true;
        };

        model.TryPlaceDisk( 3, 4 );

        Assert.AreEqual( false, flag );
    }
}