public void BeginSyntax_WhenGivenAToken_PushesSyntaxNode()
{
// Arrange:
var token = new Token()
{
TokenKind = TokenKind.String, Image = "a"
};
var stack = new Stack <IAstNode>();
var builder = new AstBuilder(_nodeFactoryMock.Object, null, stack, _tracerMock.Object);
// Act:
builder.BeginSyntax(token);
// Assert:
Assert.That(stack.Count, Is.EqualTo(1));
Assert.That(stack.Peek(), Is.InstanceOf <ISyntaxNode>());
}
