-
Notifications
You must be signed in to change notification settings - Fork 1.7k
/
XamlParseExceptionConstraint.cs
72 lines (64 loc) · 1.94 KB
/
XamlParseExceptionConstraint.cs
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
using System;
using NUnit.Framework.Constraints;
namespace Xamarin.Forms.Xaml.UnitTests
{
public class XamlParseExceptionConstraint : ExceptionTypeConstraint
{
bool haslineinfo;
int linenumber;
int lineposition;
Func<string, bool> messagePredicate;
XamlParseExceptionConstraint(bool haslineinfo) : base(typeof(XamlParseException))
{
this.haslineinfo = haslineinfo;
}
public override string DisplayName => "xamlparse";
public XamlParseExceptionConstraint() : this(false)
{
}
public XamlParseExceptionConstraint (int linenumber, int lineposition, Func<string, bool> messagePredicate = null) : this (true)
{
this.linenumber = linenumber;
this.lineposition = lineposition;
this.messagePredicate = messagePredicate;
}
protected override bool Matches (object actual)
{
if (!base.Matches (actual))
return false;
var xmlInfo = ((XamlParseException)actual).XmlInfo;
if (!haslineinfo)
return true;
if (xmlInfo == null || !xmlInfo.HasLineInfo ())
return false;
if (messagePredicate != null)
if (!messagePredicate (((XamlParseException)actual).UnformattedMessage))
return false;
return xmlInfo.LineNumber == linenumber && xmlInfo.LinePosition == lineposition;
}
public override string Description
{
get
{
if (haslineinfo)
{
return string.Format($"{base.Description} line {linenumber}, position {lineposition}");
}
return base.Description;
}
}
//public override void WriteActualValueTo (MessageWriter writer)
//{
// var ex = actual as XamlParseException;
// writer.WriteActualValue ((actual == null) ? null : actual.GetType ());
// if (ex != null) {
// if (ex.XmlInfo != null && ex.XmlInfo.HasLineInfo ())
// writer.Write (" line {0}, position {1}", ex.XmlInfo.LineNumber, ex.XmlInfo.LinePosition);
// else
// writer.Write (" no line info");
// writer.WriteLine (" ({0})", ex.Message);
// writer.Write (ex.StackTrace);
// }
//}
}
}