public void SetUp()
{
coalesceNodes = new ExprCoalesceNode[5];
coalesceNodes[0] = new ExprCoalesceNode();
coalesceNodes[0].AddChildNode(new SupportExprNode(null, typeof(long?)));
coalesceNodes[0].AddChildNode(new SupportExprNode(null, typeof(int)));
coalesceNodes[0].AddChildNode(new SupportExprNode(4, typeof(byte)));
coalesceNodes[1] = new ExprCoalesceNode();
coalesceNodes[1].AddChildNode(new SupportExprNode(null, typeof(string)));
coalesceNodes[1].AddChildNode(new SupportExprNode("a", typeof(string)));
coalesceNodes[2] = new ExprCoalesceNode();
coalesceNodes[2].AddChildNode(new SupportExprNode(null, typeof(bool?)));
coalesceNodes[2].AddChildNode(new SupportExprNode(true, typeof(bool)));
coalesceNodes[3] = new ExprCoalesceNode();
coalesceNodes[3].AddChildNode(new SupportExprNode(null, typeof(char)));
coalesceNodes[3].AddChildNode(new SupportExprNode(null, typeof(char?)));
coalesceNodes[3].AddChildNode(new SupportExprNode(null, typeof(char)));
coalesceNodes[3].AddChildNode(new SupportExprNode('b', typeof(char?)));
coalesceNodes[4] = new ExprCoalesceNode();
coalesceNodes[4].AddChildNode(new SupportExprNode(5, typeof(float)));
coalesceNodes[4].AddChildNode(new SupportExprNode(null, typeof(double?)));
}
public void TestValidate()
{
var coalesceNode = new ExprCoalesceNode();
coalesceNode.AddChildNode(new SupportExprNode(1));
// Test too few nodes under this node
try
{
coalesceNode.Validate(SupportExprValidationContextFactory.MakeEmpty(container));
Assert.Fail();
}
catch (ExprValidationException)
{
// Expected
}
// Test node result type not fitting
coalesceNode.AddChildNode(new SupportExprNode("s"));
try
{
coalesceNode.Validate(SupportExprValidationContextFactory.MakeEmpty(container));
Assert.Fail();
}
catch (ExprValidationException)
{
// Expected
}
}
public ExprCoalesceNodeForge(
ExprCoalesceNode parent,
Type resultType,
bool[] isNumericCoercion)
{
ForgeRenderable = parent;
EvaluationType = resultType.GetBoxedType(); // Coalescence is a boxed return
IsNumericCoercion = isNumericCoercion;
}
