public void AJson_JsonBuilding_CanBuildWithNullSimpleProperty()
{
Json json = JsonHelper.BuildJsonForObject(
new NullTester <string>
{
NumberProp = 8,
NullProp = null
}
);
Assert.IsNotNull(json);
Assert.IsFalse(json.HasErrors, "Json parse errors:\n" + String.Join("\n\t", json.Errors));
Assert.IsTrue(json.Data.IsDocument, "Json should have parsed an array");
NullTester <string> created = JsonHelper.BuildObjectForJson <NullTester <string> >(json);
Assert.IsNotNull(created);
Assert.AreEqual(8, created.NumberProp);
Assert.IsNull(created.NullProp);
}
private object ApplyOperation(Expr ast)
{
dynamic leftExec = Exec(ast.Left);
var left = leftExec is ValueMemory ? (leftExec as ValueMemory).Value : leftExec;
// short circuit
if (ast.Token.TokenType == TokenType.Or)
{
if (left is bool && left == true)
{
return(true);
}
}
if (ast.Token.TokenType == TokenType.Compare)
{
if (left is bool && left == false)
{
return(false);
}
}
dynamic rightExec = Exec(ast.Right);
var right = rightExec is ValueMemory ? (rightExec as ValueMemory).Value : rightExec;
switch (ast.Token.TokenType)
{
case TokenType.Compare:
if (left is TokenType || right is TokenType)
{
return(NullTester.NullEqual(left, right));
}
return(left == right);
case TokenType.NotCompare:
if (left is TokenType || right is TokenType)
{
return(!NullTester.NullEqual(left, right));
}
return(left != right);
case TokenType.GreaterThan:
return(left > right);
case TokenType.LessThan:
return(left < right);
case TokenType.Plus:
return(left + right);
case TokenType.Minus:
return(left - right);
case TokenType.Slash:
return(left / right);
case TokenType.Carat:
return(left ^ right);
case TokenType.Ampersand:
return(left && right);
case TokenType.Or:
return(left || right);
}
return(null);
}
