public void Pattern_RawTextAndArrayOfSegments_ShouldMakeCopyOfArrayOfSegments()
{
// Arrange
var rawText = "raw";
var literalPartA = RoutePatternFactory.LiteralPart("A");
var paramPartB = RoutePatternFactory.ParameterPart("B");
var paramPartC = RoutePatternFactory.ParameterPart("C");
var paramPartD = RoutePatternFactory.ParameterPart("D");
var segments = new[]
{
RoutePatternFactory.Segment(literalPartA, paramPartB),
RoutePatternFactory.Segment(paramPartC, literalPartA),
RoutePatternFactory.Segment(paramPartD),
RoutePatternFactory.Segment(literalPartA)
};
// Act
var actual = RoutePatternFactory.Pattern(rawText, segments);
segments[1] = RoutePatternFactory.Segment(RoutePatternFactory.ParameterPart("E"));
Array.Resize(ref segments, 2);
// Assert
Assert.Equal(3, actual.Parameters.Count);
Assert.Same(paramPartB, actual.Parameters[0]);
Assert.Same(paramPartC, actual.Parameters[1]);
Assert.Same(paramPartD, actual.Parameters[2]);
}
public void Pattern_RawTextAndDefaultsAndParameterPoliciesAndArrayOfSegments_ShouldMakeCopyOfArrayOfSegments()
{
// Arrange
var rawText = "raw";
object defaults = new { B = 12, C = 4 };
object parameterPolicies = null;
var literalPartA = RoutePatternFactory.LiteralPart("A");
var paramPartB = RoutePatternFactory.ParameterPart("B");
var paramPartC = RoutePatternFactory.ParameterPart("C");
var paramPartD = RoutePatternFactory.ParameterPart("D");
var segments = new[]
{
RoutePatternFactory.Segment(literalPartA, paramPartB),
RoutePatternFactory.Segment(paramPartC, literalPartA),
RoutePatternFactory.Segment(paramPartD),
RoutePatternFactory.Segment(literalPartA)
};
// Act
var actual = RoutePatternFactory.Pattern(rawText, defaults, parameterPolicies, segments);
segments[1] = RoutePatternFactory.Segment(RoutePatternFactory.ParameterPart("E"));
Array.Resize(ref segments, 2);
// Assert
Assert.Equal(3, actual.Parameters.Count);
Assert.Equal(paramPartB.Name, actual.Parameters[0].Name);
Assert.Equal(12, actual.Parameters[0].Default);
Assert.Null(paramPartB.Default);
Assert.NotSame(paramPartB, actual.Parameters[0]);
Assert.Equal(paramPartC.Name, actual.Parameters[1].Name);
Assert.Equal(4, actual.Parameters[1].Default);
Assert.NotSame(paramPartC, actual.Parameters[1]);
Assert.Null(paramPartC.Default);
Assert.Equal(paramPartD.Name, actual.Parameters[2].Name);
Assert.Null(actual.Parameters[2].Default);
Assert.Same(paramPartD, actual.Parameters[2]);
Assert.Null(paramPartD.Default);
}
private static bool ParseLiteral(Context context, List <RoutePatternPart> parts)
{
context.Mark();
while (true)
{
if (context.Current == Separator)
{
// End of the segment
break;
}
else if (context.Current == OpenBrace)
{
if (!context.MoveNext())
{
// This is a dangling open-brace, which is not allowed
context.Error = Resources.TemplateRoute_MismatchedParameter;
return(false);
}
if (context.Current == OpenBrace)
{
// This is an 'escaped' brace in a literal, like "{{foo" - keep going.
}
else
{
// We've just seen the start of a parameter, so back up.
context.Back();
break;
}
}
else if (context.Current == CloseBrace)
{
if (!context.MoveNext())
{
// This is a dangling close-brace, which is not allowed
context.Error = Resources.TemplateRoute_MismatchedParameter;
return(false);
}
if (context.Current == CloseBrace)
{
// This is an 'escaped' brace in a literal, like "{{foo" - keep going.
}
else
{
// This is an unbalanced close-brace, which is not allowed
context.Error = Resources.TemplateRoute_MismatchedParameter;
return(false);
}
}
if (!context.MoveNext())
{
break;
}
}
var encoded = context.Capture();
var decoded = encoded.Replace("}}", "}").Replace("{{", "{");
if (IsValidLiteral(context, decoded))
{
parts.Add(RoutePatternFactory.LiteralPart(decoded));
return(true);
}
else
{
return(false);
}
}