/// <summary>
/// Writes the description of a failed match to the specified <paramref name="writer"/>.
/// </summary>
/// <param name="writer">The <see cref="TextWriter"/> where the description is written to.</param>
/// <param name="actualValue">The actual value to be written.</param>
/// <param name="matcher">The matcher which is used for the expected value to be written.</param>
private static void WriteDescriptionOfFailedMatch(TextWriter writer, object actualValue, Matcher matcher)
{
writer.WriteLine();
writer.Write("Expected: ");
matcher.DescribeTo(writer);
writer.WriteLine();
writer.Write("Actual: ");
writer.Write(actualValue);
}
/// <summary>
/// Verifies that the <paramref name="actualValue"/> is matched by the <paramref name="matcher"/>.
/// </summary>
/// <param name="actualValue">The actual value.</param>
/// <param name="matcher">The matcher.</param>
/// <exception cref="ExpectationException">Thrown if value does not match.</exception>
public static void That(object actualValue, Matcher matcher)
{
if (matcher == null)
throw new ArgumentNullException("matcher");
if (!matcher.Matches(actualValue))
{
var writer = new DescriptionWriter();
WriteDescriptionOfFailedMatch(writer, actualValue, matcher);
throw new ExpectationException(writer.ToString());
}
}
/// <summary>
/// Returns a matcher for checking field values.
/// </summary>
/// <param name="fieldName">Name of the field.</param>
/// <param name="valueMatcher">The value matcher.</param>
/// <returns>Returns a <see cref="FieldMatcher"/> for checking field values.</returns>
public static Matcher Field(string fieldName, Matcher valueMatcher)
{
return(new FieldMatcher(fieldName, valueMatcher));
}
private IMethodSyntax <T> GetExpectationBuilder(string description, Matcher requiredCountMatcher, Matcher matchingCountMatcher, object proxy)
{
return(new ExpectationBuilder <T>(description, requiredCountMatcher, matchingCountMatcher, proxy));
}
/// <summary>
/// Returns a matcher for checking property values.
/// </summary>
/// <param name="propertyName">Name of the property.</param>
/// <param name="valueMatcher">The value matcher.</param>
/// <returns>Returns a <see cref="PropertyMatcher"/> for checking property values.</returns>
public static Matcher Property(string propertyName, Matcher valueMatcher)
{
return(new PropertyMatcher(propertyName, valueMatcher));
}
/// <summary>
/// Returns a matcher for testing string representation of objects.
/// </summary>
/// <param name="matcher">The wrapped matcher.</param>
/// <returns>Returns a <see cref="ToStringMatcher"/> for testing string representation of objects.</returns>
public static Matcher ToString(Matcher matcher)
{
return(new ToStringMatcher(matcher));
}
/// <summary>
/// Returns a matcher for checking field values.
/// </summary>
/// <param name="fieldName">Name of the field.</param>
/// <param name="valueMatcher">The value matcher.</param>
/// <returns>Returns a <see cref="FieldMatcher"/> for checking field values.</returns>
public static Matcher Field(string fieldName, Matcher valueMatcher)
{
return new FieldMatcher(fieldName, valueMatcher);
}
/// <summary>
/// Returns a matcher for checking property values.
/// </summary>
/// <param name="propertyName">Name of the property.</param>
/// <param name="valueMatcher">The value matcher.</param>
/// <returns>Returns a <see cref="PropertyMatcher"/> for checking property values.</returns>
public static Matcher Property(string propertyName, Matcher valueMatcher)
{
return new PropertyMatcher(propertyName, valueMatcher);
}
/// <summary>
/// Returns a matcher for testing string representation of objects.
/// </summary>
/// <param name="matcher">The wrapped matcher.</param>
/// <returns>Returns a <see cref="ToStringMatcher"/> for testing string representation of objects.</returns>
public static Matcher ToString(Matcher matcher)
{
return new ToStringMatcher(matcher);
}