/// <summary>
/// Initializes a new instance of the <see cref="EvaluationContext"/> class.
/// </summary>
/// <param name="ignoreEvaluationExceptions">If set to <c>true</c>, ignores evaluation exceptions.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <param name="identifierComparer">The identifier comparer.</param>
/// <param name="objectFormatter">The object formatter.</param>
/// <param name="selfObject">The <c>self</c> object that exposes all global identifiers.</param>
/// <param name="unParsedTextHandler">The un-parsed text handler delegate.</param>
public EvaluationContext(
bool ignoreEvaluationExceptions,
CancellationToken cancellationToken,
[NotNull] IEqualityComparer <string> identifierComparer,
[NotNull] IObjectFormatter objectFormatter,
[CanBeNull] object selfObject,
[NotNull] Func <IExpressionEvaluationContext, string, string> unParsedTextHandler)
{
Expect.NotNull(nameof(identifierComparer), identifierComparer);
Expect.NotNull(nameof(objectFormatter), objectFormatter);
Expect.NotNull(nameof(unParsedTextHandler), unParsedTextHandler);
CancellationToken = cancellationToken;
_identifierComparer = identifierComparer;
_objectFormatter = objectFormatter;
IgnoreEvaluationExceptions = ignoreEvaluationExceptions;
_unParsedTextHandler = unParsedTextHandler;
_selfObject = selfObject;
_disembowelers = new Dictionary <Type, SimpleTypeDisemboweler>();
_frames = new Stack <Frame>();
_dynamicInvoker = new SimpleDynamicInvoker();
OpenEvaluationFrame();
}
public void InvokeReturnsNullForNonExistentMethod()
{
var invoker = new SimpleDynamicInvoker();
var result = invoker.Invoke(this, "Fake");
Assert.IsNull(result);
}
public void InvokeCallsTheMatchingMethod()
{
var invoker = new SimpleDynamicInvoker();
var result = invoker.Invoke(this, nameof(MatchArgumentMethod), new object[] { "100", false });
Assert.AreEqual(102, result);
}
public void InvokeThrowsErrorIfMemberHasInvalidFormat()
{
var invoker = new SimpleDynamicInvoker();
Assert.Throws <ArgumentNullException>(() => invoker.Invoke(this, null));
Assert.Throws <ArgumentException>(() => invoker.Invoke(this, ""));
Assert.Throws <ArgumentException>(() => invoker.Invoke(this, " broken "));
}
public void InvokeFailsToMatchWithImpreciseArguments2()
{
var invoker = new SimpleDynamicInvoker();
var result = invoker.Invoke(this, nameof(MatchArgumentMethod), new object[] { "arg1", 1 });
Assert.IsNull(result);
}
public void GetValueReturnsTheValueOfProperty()
{
var invoker = new SimpleDynamicInvoker();
var result = invoker.GetValue(this, nameof(PublicProperty));
Assert.AreEqual(nameof(PublicProperty), result);
}
public void GetValueReturnsNullIfMemberIsNotAccessible()
{
var invoker = new SimpleDynamicInvoker();
var result = invoker.GetValue(this, nameof(_privateField));
Assert.IsNull(result);
}
public void InvokeThrowsErrorIfArgsCountGreaterThanFourteen()
{
var invoker = new SimpleDynamicInvoker();
var args = Enumerable.Range(0, 15).Cast <object>().ToArray();
Assert.Throws <ArgumentOutOfRangeException>(() => invoker.Invoke(this, "property", args));
}
public void GetValueReturnsTrulyDynamicPropertyValue()
{
var invoker = new SimpleDynamicInvoker();
dynamic expando = new ExpandoObject();
expando.Property = 100;
var result = invoker.GetValue(expando, nameof(expando.Property));
Assert.AreEqual(expando.Property, result);
}
public void InvokeCallsTheFullArgumentMethod()
{
var invoker = new SimpleDynamicInvoker();
var args = new object[] { "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12", "13", "14" };
var result = invoker.Invoke(
this,
nameof(FullArgumentMethod),
args);
Assert.AreEqual(string.Join("-", args), result);
}
public void GetValueReturnsNullIfObjectIsNull()
{
var invoker = new SimpleDynamicInvoker();
Assert.IsNull(invoker.GetValue(null, "property"));
}
public void InvokeLeaksException()
{
var invoker = new SimpleDynamicInvoker();
Assert.Throws <ArgumentException>(() => invoker.Invoke(this, nameof(ThrowException)));
}
