private static Action VerifyValueNotDisposedDelegation <T>(T value, FluentConditionCallback <T> condition, out string renderedMessage, string expectedMessage = null)
where T : IDisposable
{
expectedMessage = (expectedMessage ?? CannotAccessDisposedObject).AssertNotNull().AssertNotEmpty();
renderedMessage = RenderDisposedMessageWithObjectType <T>(expectedMessage);
return(() => value.VerifyValueNotDisposed(condition, () => expectedMessage));
}
/// <summary>
/// Reports an error if the <paramref name="condition"/> Evaluates to True.
/// </summary>
/// <param name="value">The Value being Reported upon.</param>
/// <param name="condition">An error is reported when <paramref name="condition"/> returns False.</param>
/// <param name="message"></param>
/// <returns>The <paramref name="value"/> after Reporting If <paramref name="condition"/> met.</returns>
public static object ReportIf(this object value, FluentConditionCallback <object> condition, FluentMessageCallback message = null)
{
void Evaluate(bool y, string s) => Report.If(y, s.Notify(y));
Evaluate(condition.Invoke(value), message.UseCallbackOrDefault().Invoke());
return(value);
}
private static Action VerifyRequirementExpectingException <T>(T value, FluentConditionCallback <T> condition
, string argumentName, out string renderedMessage, string expectedMessage = null)
{
expectedMessage = (expectedMessage ?? DefaultMessage).AssertNotNull().AssertNotEmpty();
renderedMessage = RenderArgumentMessage(expectedMessage, argumentName.AssertNotNull().AssertNotEmpty());
return(() => VerifyRequirement(value, condition, argumentName, expectedMessage));
}
private static Exception VerifyExtension <T>(T _, FluentConditionCallback <T> condition, string expectedMessage = null)
{
expectedMessage = (expectedMessage ?? DefaultMessage).AssertNotNull().AssertNotEmpty();
return(_.VerifyFailOperation(condition, () => expectedMessage));
}
private static Action VerifyExtensionDelegation(object _, FluentConditionCallback <object> condition, string expectedMessage = null)
{
expectedMessage = (expectedMessage ?? DefaultMessage).AssertNotNull().AssertNotEmpty();
return(() => _.VerifyFailOperation(condition, () => expectedMessage));
}
// TODO: TBD: we might redress the Assumes tests with an approach something like this...
private static T VerifyRequirement <T>(T value, FluentConditionCallback <T> condition, string argumentName, string expectedMessage = null)
=> value.RequiresArgument(condition.AssertNotNull(), argumentName.AssertNotNull().AssertNotEmpty()
, () => (expectedMessage ?? DefaultMessage).AssertNotNull().AssertNotEmpty());
/// <summary>
/// Validates some expression describing the acceptable <paramref name="condition"/>
/// for an argument <paramref name="value"/> Evaluates to True.
/// </summary>
/// <typeparam name="T">The type of the argument.</typeparam>
/// <param name="value">The Value of the argument.</param>
/// <param name="condition">The Condition to Evaluate to True to avoid an <see cref="ArgumentException"/>.</param>
/// <param name="argumentName">The name of the argument.</param>
/// <param name="message">The message.</param>
/// <returns>The <paramref name="value"/> after That <paramref name="value"/> is Required.</returns>
public static T RequiresThat <T>(this T value, FluentConditionCallback <T> condition, string argumentName, FluentMessageCallback message)
{
Requires.That(condition.Invoke(value), argumentName, message.Invoke());
return(value);
}
private static T VerifyRequirement <T>(T value, FluentConditionCallback <T> condition, string expectedMessage = null)
{
expectedMessage = (expectedMessage ?? DefaultMessage).AssertNotNull().AssertNotEmpty();
return(value.RequiresValidState(condition, () => expectedMessage));
}
private static object VerifyValueNotDisposed(object value, FluentConditionCallback <object> condition, string expectedMessage = null) => value.VerifyValueNotDisposed(condition, () => expectedMessage);
/// <summary> /// Conditionally throws an <see cref="InvalidOperationException"/> based on the /// <paramref name="condition"/>. /// </summary> /// <typeparam name="T">The type of the root place holder.</typeparam> /// <param name="_">A do not care place holder to root the extension method.</param> /// <param name="condition">Condition must return true to avoid failing the operation.</param> /// <param name="message">The message to use with the thrown exception.</param> /// <returns>The root place holder after Fail Operation is Verified.</returns> public static Exception VerifyFailOperation <T>(this T _, FluentConditionCallback <T> condition, FluentMessageCallback message) => condition.Invoke(_) ? default : Verify.FailOperation(message.Invoke());
private static object VerifyValueNotDisposedConditionOnly(object value, string objectName, FluentConditionCallback <object> condition) => value.VerifyValueNotDisposedConditionOnly(objectName, condition);
private static Action VerifyValueNotDisposedDelegation(object value, FluentConditionCallback <object> condition, out string renderedMessage, string expectedMessage = null)
{
expectedMessage = (expectedMessage ?? CannotAccessDisposedObject).AssertNotNull().AssertNotEmpty();
renderedMessage = RenderDisposedMessage();
return(() => value.VerifyValueNotDisposed(condition, () => expectedMessage));
}
private static Action VerifyValueNotDisposedConditionOnlyDelegation(object value, string objectName, FluentConditionCallback <object> condition, out string renderedMessage)
{
renderedMessage = RenderDisposedMessage(objectName);
return(() => value.VerifyValueNotDisposedConditionOnly(objectName, condition));
}
/// <summary>
/// Validates some expression describing the acceptable <paramref name="condition"/>
/// for an argument Evaluates to True.
/// </summary>
/// <typeparam name="T">The type of the argument.</typeparam>
/// <param name="value">The Value of the argument.</param>
/// <param name="condition">The expression that must Evaluate to True to avoid an <see cref="InvalidOperationException"/>.</param>
/// <param name="message">The message to include with the exception.</param>
/// <returns>The <paramref name="value"/> after Valid State <paramref name="condition"/> is Required.</returns>
public static T RequiresValidState <T>(this T value, FluentConditionCallback <T> condition, FluentMessageCallback message)
{
Requires.ValidState(condition.Invoke(value), message.Invoke());
return(value);
}
/// <summary>
/// Throws an <see cref="ArgumentException"/> if a <paramref name="condition"/>
/// does not evaluate to True.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="argument"></param>
/// <param name="condition"></param>
/// <param name="argumentName"></param>
/// <param name="message"></param>
/// <returns></returns>
public static T RequiresArgument <T>(this T argument, FluentConditionCallback <T> condition, string argumentName, FluentMessageCallback message)
{
Requires.Argument(condition.Invoke(argument), argumentName, message.Invoke());
return(argument);
}
/// <summary>
/// Throws an <see cref="ObjectDisposedException"/> when <paramref name="condition"/>
/// is False.
/// </summary>
/// <typeparam name="T">The Value type.</typeparam>
/// <param name="value">The Value whose <see cref="IDisposable"/> is under consideration.</param>
/// <param name="condition">the condition which returns True to avoid <see cref="ObjectDisposedException"/>.</param>
/// <param name="message">The message to use for the thrown exception.</param>
/// <returns>The <paramref name="value"/> after Not Disposed <paramref name="condition"/> is Verified.</returns>
public static T VerifyValueNotDisposed <T>(this T value, FluentConditionCallback <T> condition, FluentMessageCallback message = null)
where T : IDisposable
{
Verify.NotDisposed(condition.Invoke(value), value, message?.Invoke());
return(value);
}
/// <summary>
/// Throws an <see cref="ObjectDisposedException"/> when <paramref name="condition"/>
/// is False. Unlike the Condition Only extension method, this method passes the
/// <paramref name="value"/> through to the API.
/// </summary>
/// <param name="value">The Disposed Value.</param>
/// <param name="condition">The condition which returns True to avoid <see cref="ObjectDisposedException"/>.</param>
/// <param name="message">The message to use for the thrown exception.</param>
/// <returns>The <paramref name="value"/> after Not Disposed <paramref name="condition"/> is Verified.</returns>
public static object VerifyValueNotDisposed(this object value, FluentConditionCallback <object> condition, FluentMessageCallback message = null)
{
Verify.NotDisposed(condition.Invoke(value), value, message?.Invoke());
return(value);
}
/// <summary>
/// Throws an <see cref="InvalidOperationException"/> if a <paramref name="value"/>
/// <paramref name="condition"/> is False.
/// </summary>
/// <typeparam name="T">The Value type.</typeparam>
/// <param name="value">The Value.</param>
/// <param name="condition">The Condition which returns True to avoid <see cref="InvalidOperationException"/>.</param>
/// <param name="message">The message for use with the thrown exception.</param>
/// <returns>The <paramref name="value"/> after Operation <paramref name="condition"/> is Verified.</returns>
public static T VerifyOperation <T>(this T value, FluentConditionCallback <T> condition, FluentMessageCallback message)
{
Verify.Operation(condition.Invoke(value), message.Invoke());
return(value);
}
private static Action VerifyRangeRequirement <T>(T value, FluentConditionCallback <T> condition, string argumentName, out string renderedMessage, string expectedMessage = null)
{
expectedMessage = (expectedMessage ?? DefaultMessage).AssertNotNull().AssertNotEmpty();
renderedMessage = RenderArgumentMessage(expectedMessage, argumentName);
return(() => value.RequiresRange(condition, argumentName, () => expectedMessage));
}
/// <summary>
/// Throws an <see cref="ObjectDisposedException"/> when <paramref name="condition"/>
/// is False.
/// </summary>
/// <param name="value">The Disposed Value.</param>
/// <param name="objectName">The ObjectName to use for the thrown exception.</param>
/// <param name="condition">The condition which returns True to avoid <see cref="ObjectDisposedException"/>.</param>
/// <returns>The <paramref name="value"/> after Not Disposed <paramref name="condition"/> is Verified.</returns>
public static object VerifyValueNotDisposedConditionOnly(this object value, string objectName, FluentConditionCallback <object> condition)
{
Verify.NotDisposed(condition.Invoke(value), objectName);
return(value);
}
/// <summary>
/// Throws an <see cref="ArgumentOutOfRangeException"/> if a <paramref name="condition"/>
/// Does Not Evaluate to True.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="value"></param>
/// <param name="condition"></param>
/// <param name="argumentName"></param>
/// <param name="message"></param>
/// <returns>The <paramref name="value"/> after Range <paramref name="condition"/> is Required.</returns>
public static T RequiresRange <T>(this T value, FluentConditionCallback <T> condition, string argumentName, FluentMessageCallback message = null)
{
Requires.Range(condition.Invoke(value), argumentName, message.UseCallbackOrDefault().Invoke());
return(value);
}
/// <summary>
/// Throws an public exception if a <paramref name="condition"/> Evaluates to False.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="value"></param>
/// <param name="condition"></param>
/// <param name="message"></param>
/// <returns></returns>
/// <see cref="Assumes.True(bool,string)"/>
public static T AssumesTrue <T>(this T value, FluentConditionCallback <T> condition, FluentMessageCallback message = null)
{
Assumes.True(condition.Invoke(value), message.UseCallbackOrDefault().Invoke());
return(value);
}
private static T VerifyValueNotDisposed <T>(T value, FluentConditionCallback <T> condition)
where T : IDisposable
=> value.VerifyValueNotDisposed(condition);
private static T VerifyRangeRequirement <T>(T _, FluentConditionCallback <T> condition, string argumentName) => _.RequiresRange(condition, argumentName);
private static T VerifyOperation <T>(T value, FluentConditionCallback <T> condition, string expectedMessage = null)
{
expectedMessage = (expectedMessage ?? DefaultMessage).AssertNotNull().AssertNotEmpty();
return(value.VerifyOperation(condition, () => expectedMessage));
}
