public void Constructor_ThrowsNullArgumentException_OnNullAdapter()
{
IShaderAdapter nullAdapter = null;
Action construct = () => program = new ShaderProgram(nullAdapter);
construct.ShouldThrow<ArgumentNullException>();
}
public void SetUp()
{
adapter = new Mock<IShaderAdapter>();
adapter.SetupSequence(a => a.CreateProgram())
.Returns(1)
.Returns(2);
adapter.SetupSequence(a => a.CreateShader(It.IsAny<ShaderType>()))
.Returns(1)
.Returns(2);
adapter.Setup(a => a.GetShaderProgramStatus(
It.IsAny<int>(), GetProgramParameterName.LinkStatus))
.Returns(true);
vertexShader = new Shader(adapter.Object, ShaderType.VertexShader);
fragmentShader = new Shader(adapter.Object, ShaderType.FragmentShader);
program = new ShaderProgram(adapter.Object, vertexShader, fragmentShader);
}
private static IShaderProgram SpriteProgram()
{
var vertexShader = new Shader(EngineCore.GlAdapter, ShaderType.VertexShader);
var fragmentShader = new Shader(EngineCore.GlAdapter, ShaderType.FragmentShader);
vertexShader.Load(Shaders.VertexShaders.Sprite);
fragmentShader.Load(Shaders.FragmentShaders.Sprite);
var program = new ShaderProgram(
EngineCore.GlAdapter,
vertexShader,
fragmentShader
);
program.Link();
program.DetachShaders();
program.DeleteShaders();
return program;
}
public void Attach_IsNotInvokedOnConstruction_WhenNoShadersAreSupplied()
{
var otherProgram = new ShaderProgram(adapter.Object);
adapter.Verify(a => a.AttachShader(otherProgram.Handle, It.IsAny<int>()), Times.Never);
otherProgram.AttachedShaders.ShouldNotBeNull();
otherProgram.AttachedShaders.ShouldBeEmpty();
}
