mcs/class/System.Data/Test/System.Data.Tests.Mainsoft/System.Data/DataTable/DataTable_OnColumnChanged_D.cs

   1 // Authors:
   2 //   Rafael Mizrahi   <rafim@mainsoft.com>
   3 //   Erez Lotan       <erezl@mainsoft.com>
   4 //   Oren Gurfinkel   <oreng@mainsoft.com>
   5 //   Ofer Borstein
   6 //
   7 // Copyright (c) 2004 Mainsoft Co.
   8 //
   9 // Permission is hereby granted, free of charge, to any person obtaining
  10 // a copy of this software and associated documentation files (the
  11 // "Software"), to deal in the Software without restriction, including
  12 // without limitation the rights to use, copy, modify, merge, publish,
  13 // distribute, sublicense, and/or sell copies of the Software, and to
  14 // permit persons to whom the Software is furnished to do so, subject to
  15 // the following conditions:
  16 //
  17 // The above copyright notice and this permission notice shall be
  18 // included in all copies or substantial portions of the Software.
  19 //
  20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27 //
  28
  29 using NUnit.Framework;
  30
  31
  32 using System;
  33 using System.Data;
  34
  35 using GHTUtils;
  36 using GHTUtils.Base;
  37
  38 namespace tests.system_data_dll.System_Data
  39 {
  40 [TestFixture] public class DataTable_OnColumnChanged_D : GHTBase
  41 {
  42         [Test] public void Main()
  43         {
  44                 DataTable_OnColumnChanged_D tc = new DataTable_OnColumnChanged_D();
  45                 Exception exp = null;
  46                 try
  47                 {
  48                         tc.BeginTest("DataTable_OnColumnChanged_D");
  49                         tc.run();
  50                 }
  51                 catch(Exception ex)
  52                 {
  53                         exp = ex;
  54                 }
  55                 finally
  56                 {
  57                         tc.EndTest(exp);
  58                 }
  59         }
  60
  61         //Activate This Construntor to log All To Standard output
  62         //public TestClass():base(true){}
  63
  64         //Activate this constructor to log Failures to a log file
  65         //public TestClass(System.IO.TextWriter tw):base(tw, false){}
  66
  67
  68         //Activate this constructor to log All to a log file
  69         //public TestClass(System.IO.TextWriter tw):base(tw, true){}
  70
  71         //BY DEFAULT LOGGING IS DONE TO THE STANDARD OUTPUT ONLY FOR FAILURES
  72
  73         private bool EventRaised ;
  74         private bool EventValues ;
  75         public void run()
  76         {
  77                 Exception exp = null;
  78                 ProtectedTestClass dt = new ProtectedTestClass();
  79
  80                 EventRaised = false;
  81                 dt.OnColumnChanged_Test();
  82                 try
  83                 {
  84                         BeginCase("OnColumnChanged Event 1");
  85                         Compare(EventRaised ,false );
  86                 }
  87                 catch(Exception ex)     {exp = ex;}
  88                 finally {EndCase(exp); exp = null;}
  89                 EventRaised = false;
  90                 EventValues = false;
  91                 dt.ColumnChanged += new DataColumnChangeEventHandler(OnColumnChanged_Handler);
  92                 dt.OnColumnChanged_Test();
  93                 try
  94                 {
  95                         BeginCase("OnColumnChanged Event 2");
  96                         Compare(EventRaised ,true );
  97                 }
  98                 catch(Exception ex)     {exp = ex;}
  99                 finally {EndCase(exp); exp = null;}
 100                 try
 101                 {
 102                         BeginCase("OnColumnChanged Values");
 103                         Compare(EventValues ,true );
 104                 }
 105                 catch(Exception ex)     {exp = ex;}
 106                 finally {EndCase(exp); exp = null;}
 107                 dt.ColumnChanged -= new DataColumnChangeEventHandler(OnColumnChanged_Handler);
 108
 109         }
 110
 111         private void OnColumnChanged_Handler(Object sender,DataColumnChangeEventArgs e)
 112         {
 113                 DataTable dt = (DataTable)sender;
 114                 if ( (e.Column.Equals(dt.Columns["Value"])      )       &&
 115                         (e.Row.Equals(dt.Rows[0])                               )       &&
 116                         (e.ProposedValue.Equals("NewValue"))    )
 117                 {
 118                         EventValues = true;
 119                 }
 120                 else
 121                 {
 122                         EventValues = false;
 123                 }
 124                 EventRaised = true;
 125         }
 126
 127         class ProtectedTestClass : DataTable
 128         {
 129                 public ProtectedTestClass() : base()
 130                 {
 131                         this.Columns.Add("Id",typeof(int));
 132                         this.Columns.Add("Value",typeof(string));
 133                         this.Rows.Add(new object[] {1,"one"});
 134                         this.Rows.Add(new object[] {2,"two"});
 135                         this.AcceptChanges();
 136                 }
 137                 public void OnColumnChanged_Test()
 138                 {
 139                         base.OnColumnChanged(new DataColumnChangeEventArgs(this.Rows[0],this.Columns["Value"],"NewValue"));
 140                 }
 141         }
 142
 143
 144 }
 145 }