Bug 60804 - Different output of ToString method of HttpValueCollection between Mono and .NET
Summary: Different output of ToString method of HttpValueCollection between Mono and .NET
Status: CONFIRMED
Alias: None
Product: Class Libraries
Classification: Mono
Component: System.Web ()
Version: 5.2 (2017-04)
Hardware: PC All
: --- normal
Target Milestone: Untriaged
Assignee: Bugzilla
URL:
Depends on:
Blocks:
 
Reported: 2017-11-22 11:22 UTC by ventsislav mladenov
Modified: 2018-01-05 17:33 UTC (History)
2 users (show)

Tags:
Is this bug a regression?: ---
Last known good build:

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Status:
CONFIRMED

Description ventsislav mladenov 2017-11-22 11:22:04 UTC
Hi, 
   Calling ToString method of HttpValueCollection outputs different query string in Mono and .NET when serializing arrays. 

This code block:
using System.IO;
using System;
using System.Web;

class Program
{
    static void Main()
    {
        UriBuilder builder = new UriBuilder();
        var query = System.Web.HttpUtility.ParseQueryString(builder.Query); 
        query.Add("test", "1");
        query.Add("test", "2");
        builder.Query = query.ToString();
        Console.WriteLine(builder);
    }
}
Outputs http://localhost/?test=1%2c2 in MONO and http://localhost/?test=1&test=2 in .NET. 
http://tpcg.io/UPd2kk 
https://dotnetfiddle.net/Ol74VL
Comment 1 Marek Safar 2018-01-05 17:33:40 UTC
We have HttpQSCollection implementation which we should just replace with reference source