public void UnboundParameterException_ThrowIfOpen_Negative()
{
var f = (Expression <Func <int, int> >)(x => x + 1);
UnboundParameterException.ThrowIfOpen(f, "Oops");
Assert.IsTrue(true);
}
public void UnboundParameterException_ThrowIfOpen_Positive()
{
var f = (Expression <Func <int, int> >)(x => x + 1);
AssertEx.ThrowsException <UnboundParameterException>(() => UnboundParameterException.ThrowIfOpen(f.Body, "Oops"), ex =>
{
Assert.AreSame(f.Body, ex.Expression);
Assert.IsTrue(f.Parameters.SequenceEqual(ex.Parameters));
});
}
public void UnboundParameterException_Simple()
{
var e = Expression.Constant(42);
var p = new[] { Expression.Parameter(typeof(int)) };
var ex = new UnboundParameterException("Oops", e, p);
Assert.IsTrue(ex.Message.StartsWith("Oops"));
Assert.AreSame(e, ex.Expression);
Assert.IsTrue(p.SequenceEqual(ex.Parameters));
}
public void UnboundParameterException_Serialize()
{
var ex = new UnboundParameterException("Oops", Expression.Constant(42), new[] { Expression.Parameter(typeof(int)) });
var ms = new MemoryStream();
new BinaryFormatter().Serialize(ms, ex);
ms.Position = 0;
var err = (UnboundParameterException) new BinaryFormatter().Deserialize(ms);
Assert.IsNotNull(err);
Assert.AreEqual(ex.Message, err.Message);
}
public void UnboundParameterException_ArgumentChecking()
{
AssertEx.ThrowsException <ArgumentNullException>(() => new UnboundParameterException("", expression: null, Array.Empty <ParameterExpression>()), ex => Assert.AreEqual("expression", ex.ParamName));
AssertEx.ThrowsException <ArgumentNullException>(() => new UnboundParameterException("", Expression.Constant(42), parameters: null), ex => Assert.AreEqual("parameters", ex.ParamName));
AssertEx.ThrowsException <ArgumentNullException>(() => UnboundParameterException.ThrowIfOpen(expression: null, ""), ex => Assert.AreEqual("expression", ex.ParamName));
}
private static void CheckOpenParameters(Expression expression)
{
UnboundParameterException.ThrowIfOpen(expression, "The specified expression contains unbound parameters and cannot be funcletized or evaluated.");
}