mcs/class/System.Data/Test/System.Data/DataRowViewTest.cs

   1 //
   2 // DataRowViewTest.cs
   3 //
   4 // Author:
   5 //      Atsushi Enomoto  <atsushi@ximian.com>
   6 //
   7 // (C) 2005 Novell Inc,
   8 //
   9 // Copyright (C) 2005 Novell, Inc (http://www.novell.com)
  10 //
  11 // Permission is hereby granted, free of charge, to any person obtaining
  12 // a copy of this software and associated documentation files (the
  13 // "Software"), to deal in the Software without restriction, including
  14 // without limitation the rights to use, copy, modify, merge, publish,
  15 // distribute, sublicense, and/or sell copies of the Software, and to
  16 // permit persons to whom the Software is furnished to do so, subject to
  17 // the following conditions:
  18 //
  19 // The above copyright notice and this permission notice shall be
  20 // included in all copies or substantial portions of the Software.
  21 //
  22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  29 //
  30
  31 using NUnit.Framework;
  32 using System;
  33 using System.Data;
  34 using System.ComponentModel;
  35
  36 namespace MonoTests.System.Data
  37 {
  38         [TestFixture]
  39         public class DataRowViewTest
  40         {
  41                 private DataView CreateTestView ()
  42                 {
  43                         DataTable dt1 = new DataTable ("table1");
  44                         DataColumn c1 = new DataColumn ("col");
  45                         dt1.Columns.Add (c1);
  46                         dt1.Rows.Add (new object [] {"1"});
  47                         return new DataView (dt1);
  48                 }
  49
  50                 [Test]
  51                 [ExpectedException (typeof (ArgumentException))]
  52                 public void CreateChildViewNullStringArg ()
  53                 {
  54                         DataView dv = CreateTestView ();
  55                         DataRowView dvr = dv [0];
  56                         dvr.CreateChildView ((string) null);
  57                 }
  58
  59                 [Test]
  60                 [ExpectedException (typeof (ArgumentException))]
  61                 public void CreateChildViewNullDataRelationArg ()
  62                 {
  63                         DataView dv = CreateTestView ();
  64                         DataRowView dvr = dv [0];
  65                         dvr.CreateChildView ((DataRelation) null);
  66                 }
  67
  68                 [Test]
  69                 [ExpectedException (typeof (ArgumentException))]
  70                 public void CreateChildViewNonExistentName ()
  71                 {
  72                         DataView dv = CreateTestView ();
  73                         DataRowView dvr = dv [0];
  74                         dvr.CreateChildView ("nothing");
  75                 }
  76
  77                 [Test]
  78                 public void CreateChildViewSimple ()
  79                 {
  80                         DataSet ds = new DataSet ();
  81
  82                         DataTable dt1 = new DataTable ("table1");
  83                         ds.Tables.Add (dt1);
  84                         DataColumn c1 = new DataColumn ("col");
  85                         dt1.Columns.Add (c1);
  86                         dt1.Rows.Add (new object [] {"1"});
  87
  88                         DataTable dt2 = new DataTable ("table2");
  89                         ds.Tables.Add (dt2);
  90                         DataColumn c2 = new DataColumn ("col");
  91                         dt2.Columns.Add (c2);
  92                         dt2.Rows.Add (new object [] {"1"});
  93
  94                         DataRelation dr = new DataRelation ("dr", c1, c2);
  95
  96                         DataView dv = new DataView (dt1);
  97                         DataRowView dvr = dv [0];
  98                         DataView v = dvr.CreateChildView (dr);
  99                         Assert.AreEqual ("", v.RowFilter, "RowFilter");
 100                         Assert.AreEqual ("", v.Sort, "Sort");
 101                 }
 102
 103                 [Test]
 104                 public void IsEdit ()
 105                 {
 106                         DataTable dt = new DataTable ("table");
 107                         dt.Columns.Add ("col");
 108                         dt.Rows.Add ((new object [] {"val"}));
 109
 110                         DataView dv = new DataView (dt);
 111                         DataRowView drv = dv [0];
 112                         dt.Rows [0].BeginEdit ();
 113                         Assert.AreEqual (true, drv.IsEdit, "DataView.Item");
 114
 115                         drv = dv.AddNew ();
 116                         drv.Row ["col"] = "test";
 117                         drv.Row.CancelEdit ();
 118                         Assert.AreEqual (false, drv.IsEdit, "AddNew");
 119                 }
 120
 121                 [Test]
 122                 public void Item ()
 123                 {
 124                         DataTable dt = new DataTable ("table");
 125                         dt.Columns.Add ("col");
 126                         dt.Rows.Add ((new object [] {"val"}));
 127                         DataView dv = new DataView (dt);
 128                         DataRowView drv = dv [0];
 129                         dt.Rows [0].BeginEdit ();
 130                         Assert.AreEqual ("val", drv ["col"], "DataView.Item");
 131                 }
 132
 133                 [Test]
 134                 [ExpectedException (typeof (RowNotInTableException))]
 135                 public void ItemException ()
 136                 {
 137                         DataTable dt = new DataTable ("table");
 138                         dt.Columns.Add ("col");
 139                         dt.Rows.Add ((new object [] {"val"}));
 140                         DataView dv = new DataView (dt);
 141                         DataRowView drv = dv.AddNew ();
 142                         drv.Row ["col"] = "test";
 143                         drv.Row.CancelEdit ();
 144                         object o = drv ["col"];
 145                 }
 146
 147                 [Test]
 148                 public void RowVersion1 ()
 149                 {
 150                         // I guess we could write better tests.
 151                         DataTable dt = new DataTable ("table");
 152                         dt.Columns.Add ("col");
 153                         dt.Rows.Add (new object [] {1});
 154                         DataView dv = new DataView (dt);
 155                         DataRowView drv = dv.AddNew ();
 156                         Assert.AreEqual (DataRowVersion.Current, drv.RowVersion);
 157                         Assert.AreEqual (DataRowVersion.Current, dv [0].RowVersion);
 158                         drv ["col"] = "mod";
 159                         Assert.AreEqual (DataRowVersion.Current, drv.RowVersion);
 160                         Assert.AreEqual (DataRowVersion.Current, dv [0].RowVersion);
 161                         dt.AcceptChanges ();
 162                         Assert.AreEqual (DataRowVersion.Current, drv.RowVersion);
 163                         Assert.AreEqual (DataRowVersion.Current, dv [0].RowVersion);
 164                         drv.EndEdit ();
 165                         dv [0].EndEdit ();
 166                         Assert.AreEqual (DataRowVersion.Current, drv.RowVersion);
 167                         Assert.AreEqual (DataRowVersion.Current, dv [0].RowVersion);
 168                 }
 169         }
 170 }