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linux-packaging-mono/mcs/class/Managed.Windows.Forms/Test/System.Windows.Forms/ComboBoxTest.cs
Jo Shields a575963da9 Imported Upstream version 3.6.0 
Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14
2014-08-13 10:39:27 +01:00

1898 lines
58 KiB
C#
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//
// ComboBoxTest.cs: Test cases for ComboBox.
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
// Copyright (c) 2005 Novell, Inc. (http://www.novell.com)
// Copyright (c) 2006 Matt Hargett
//
// Authors:
// Ritvik Mayank <mritvik@novell.com>
// Jordi Mas i Hernandez <jordi@ximian.com>
// Matt Hargett <matt@use.net>
using System;
using System.Data;
using System.IO;
using System.Collections;
using System.ComponentModel;
using System.Drawing;
using System.Globalization;
using System.Reflection;
using System.Threading;
using System.Windows.Forms;
using NUnit.Framework;
using CategoryAttribute=NUnit.Framework.CategoryAttribute;
namespace MonoTests.System.Windows.Forms
{
[TestFixture]
public class ComboBoxTest : TestHelper
{
private CultureInfo _originalCulture;
[SetUp]
protected override void SetUp ()
{
_originalCulture = Thread.CurrentThread.CurrentCulture;
base.SetUp ();
}
[TearDown]
protected override void TearDown ()
{
Thread.CurrentThread.CurrentCulture = _originalCulture;
base.TearDown ();
}
[Test] // bug 660294
public void TestNullSelectedText ()
{
ComboBox comboBox = new ComboBox ();
string text = "abc";
comboBox.Items.Add (text);
comboBox.SelectedIndex = 0;
comboBox.Select (0, text.Length);
comboBox.SelectedText = null;
Assert.AreEqual (String.Empty, comboBox.SelectedText);
}
[Test] // bug #331144
public void DropDownStyle ()
{
ComboBox comboBox = new ComboBox ();
comboBox.Items.Add ("abc");
Form form = new Form ();
form.Controls.Add (comboBox);
form.Show ();
Assert.AreEqual (ComboBoxStyle.DropDown, comboBox.DropDownStyle, "#1");
comboBox.DropDownStyle = ComboBoxStyle.Simple;
Assert.AreEqual (ComboBoxStyle.Simple, comboBox.DropDownStyle, "#2");
comboBox.DropDownStyle = ComboBoxStyle.DropDown;
Assert.AreEqual (ComboBoxStyle.DropDown, comboBox.DropDownStyle, "#3");
form.Dispose ();
}
[Test] // bug 81610
[Category ("NotWorking")]
public void InitialBoundValue ()
{
ComboBox comboBox1;
using (Form f = new Form ()) {
f.ShowInTaskbar = false;
DataTable t = new DataTable ();
t.Columns.Add ("displaymember");
t.Columns.Add ("valuemember");
t.Rows.Add (new object [] {"lower", "a"});
t.Rows.Add (new object [] {"upper", "A"});
// This test seems to prove that the SelectedItem is updated when:
// - We have a parent
// - We're setting either DisplayMember, ValueMember or DataSource.
comboBox1 = new ComboBox ();
comboBox1.DisplayMember = "displaymember";
comboBox1.ValueMember = "valuemember";
comboBox1.DataSource = t;
comboBox1.DataBindings.Add ("SelectedValue", new InitialBoundValue_dummy (), "controlsrc");
f.Controls.Add (comboBox1);
Assert.AreEqual (string.Empty, comboBox1.Text, "#??");
comboBox1 = new ComboBox ();
f.Controls.AddRange (new Control [] { comboBox1 });
comboBox1.DisplayMember = "displaymember";
Assert.AreEqual (string.Empty, comboBox1.Text, "#A02-1");
comboBox1.ValueMember = "valuemember";
Assert.AreEqual (string.Empty, comboBox1.Text, "#A02-1");
comboBox1.DataSource = t;
Assert.AreEqual ("lower", comboBox1.Text, "#A02");
comboBox1.DataBindings.Add ("SelectedValue", new InitialBoundValue_dummy (), "controlsrc");
Assert.AreEqual ("lower", comboBox1.Text, "#A03");
comboBox1 = new ComboBox ();
comboBox1.DisplayMember = "displaymember";
comboBox1.ValueMember = "valuemember";
comboBox1.DataSource = t;
Assert.AreEqual (string.Empty, comboBox1.Text, "#A01");
comboBox1.DataBindings.Add ("SelectedValue", new InitialBoundValue_dummy (), "controlsrc");
Assert.AreEqual (string.Empty, comboBox1.Text, "#A04");
f.Controls.AddRange (new Control [] { comboBox1 });
Assert.AreEqual (string.Empty, comboBox1.Text, "#A04");
comboBox1 = new ComboBox ();
f.Controls.AddRange (new Control [] { comboBox1 });
comboBox1.DisplayMember = "displaymember";
comboBox1.ValueMember = "valuemember";
Assert.AreEqual (string.Empty, comboBox1.Text, "#A02");
comboBox1.DataBindings.Add ("SelectedValue", new InitialBoundValue_dummy (), "controlsrc");
Assert.AreEqual (string.Empty, comboBox1.Text, "#A02-1");
comboBox1.DataSource = t;
Assert.AreEqual ("lower", comboBox1.Text, "#A03");
comboBox1 = new ComboBox ();
f.Controls.AddRange (new Control [] { comboBox1 });
comboBox1.DataSource = t;
Assert.AreEqual ("System.Data.DataRowView", comboBox1.Text, "#A03");
comboBox1.DisplayMember = "displaymember";
Assert.AreEqual ("lower", comboBox1.Text, "#A03");
comboBox1.ValueMember = "valuemember";
Assert.AreEqual ("lower", comboBox1.Text, "#A02");
comboBox1.DataBindings.Add ("SelectedValue", new InitialBoundValue_dummy (), "controlsrc");
Assert.AreEqual ("lower", comboBox1.Text, "#A02-1");
comboBox1 = new ComboBox ();
comboBox1.DisplayMember = "displaymember";
comboBox1.ValueMember = "valuemember";
Assert.AreEqual ("", comboBox1.Text, "#A02");
comboBox1.DataBindings.Add ("SelectedValue", new InitialBoundValue_dummy (), "controlsrc");
Assert.AreEqual (string.Empty, comboBox1.Text, "#A02-1");
comboBox1.DataSource = t;
Assert.AreEqual (string.Empty, comboBox1.Text, "#A03");
f.Controls.AddRange (new Control [] { comboBox1 });
Assert.AreEqual (string.Empty, comboBox1.Text, "#A03");
comboBox1 = new ComboBox ();
comboBox1.DataSource = t;
Assert.AreEqual ("", comboBox1.Text, "#A03");
comboBox1.DisplayMember = "displaymember";
Assert.AreEqual ("", comboBox1.Text, "#A03");
comboBox1.ValueMember = "valuemember";
Assert.AreEqual ("", comboBox1.Text, "#A02");
comboBox1.DataBindings.Add ("SelectedValue", new InitialBoundValue_dummy (), "controlsrc");
Assert.AreEqual ("", comboBox1.Text, "#A02-1");
f.Controls.AddRange (new Control [] { comboBox1 });
Assert.AreEqual ("", comboBox1.Text, "#A02-1");
comboBox1 = new ComboBox ();
f.Controls.AddRange (new Control [] { comboBox1 });
comboBox1.DisplayMember = "displaymember";
Assert.AreEqual ("", comboBox1.Text, "#A03");
comboBox1.ValueMember = "valuemember";
Assert.AreEqual ("", comboBox1.Text, "#A03");
comboBox1.DataSource = t;
Assert.AreEqual ("lower", comboBox1.Text, "#A03");
comboBox1.DataBindings.Add ("SelectedValue", new InitialBoundValue_dummy (), "controlsrc");
Assert.AreEqual ("lower", comboBox1.Text, "#A03");
comboBox1 = new ComboBox ();
f.Controls.AddRange (new Control [] { comboBox1 });
comboBox1.DisplayMember = "displaymember";
Assert.AreEqual ("", comboBox1.Text, "#A03");
comboBox1.ValueMember = "valuemember";
Assert.AreEqual ("", comboBox1.Text, "#A03");
comboBox1.DataBindings.Add ("SelectedValue", new InitialBoundValue_dummy (), "controlsrc");
Assert.AreEqual ("", comboBox1.Text, "#A03");
comboBox1.DataSource = t;
Assert.AreEqual ("lower", comboBox1.Text, "#A03");
comboBox1 = new ComboBox ();
f.Controls.AddRange (new Control [] { comboBox1 });
comboBox1.ValueMember = "valuemember";
Assert.AreEqual ("", comboBox1.Text, "#A03");
comboBox1.DataSource = t;
Assert.AreEqual ("a", comboBox1.Text, "#A03");
comboBox1.DataBindings.Add ("SelectedValue", new InitialBoundValue_dummy (), "controlsrc");
Assert.AreEqual ("a", comboBox1.Text, "#A03");
comboBox1.DisplayMember = "displaymember";
Assert.AreEqual ("lower", comboBox1.Text, "#A03");
comboBox1 = new ComboBox ();
comboBox1.DataSource = t;
Assert.AreEqual ("", comboBox1.Text, "#A03");
comboBox1.DisplayMember = "displaymember";
Assert.AreEqual ("", comboBox1.Text, "#A03");
comboBox1.ValueMember = "valuemember";
Assert.AreEqual ("", comboBox1.Text, "#A03");
f.Controls.AddRange (new Control [] { comboBox1 });
Assert.AreEqual ("lower", comboBox1.Text, "#A03");
InitialBoundValue_dummy e = new InitialBoundValue_dummy ();
e.controlsrc = "c";
comboBox1.DataBindings.Add ("SelectedValue", e, "controlsrc");
Assert.AreEqual ("", comboBox1.Text, "#A03");
f.Show ();
Assert.AreEqual ("", comboBox1.Text, "#A03");
// The real failing test
comboBox1 = new ComboBox ();
comboBox1.DisplayMember = "displaymember";
Assert.AreEqual ("", comboBox1.Text, "#A03");
comboBox1.ValueMember = "valuemember";
Assert.AreEqual ("", comboBox1.Text, "#A03");
comboBox1.DataSource = t;
Assert.AreEqual ("", comboBox1.Text, "#A03");
comboBox1.DataBindings.Add ("SelectedValue", new InitialBoundValue_dummy (), "controlsrc");
Assert.AreEqual ("", comboBox1.Text, "#A03");
f.Controls.AddRange (new Control [] { comboBox1 });
Assert.AreEqual ("", comboBox1.Text, "#A03");
f.Show ();
Assert.AreEqual ("", comboBox1.Text, "#A03");
Assert.AreEqual ("", comboBox1.Text, "#bug");
string table =
@"<?xml version=""1.0"" standalone=""yes""?>
<DOK>
<DOK>
<klient>287</klient>
</DOK>
</DOK>
";
string lookup =
@"<?xml version=""1.0"" standalone=""yes""?>
<klient>
<klient>
<nimi>FAILED</nimi>
<kood>316</kood>
</klient>
<klient>
<nimi>SUCCESS</nimi>
<kood>287</kood>
</klient>
</klient>";
using (Form frm = new Form ()) {
frm.ShowInTaskbar = false;
DataSet dsTable = new DataSet ();
dsTable.ReadXml (new StringReader (table));
DataSet dsLookup = new DataSet ();
dsLookup.ReadXml (new StringReader (lookup));
ComboBox cb = new ComboBox ();
cb.DataSource = dsLookup.Tables [0];
cb.DisplayMember = "nimi";
cb.ValueMember = "kood";
InitialBoundValue_dummy d = new InitialBoundValue_dummy();
d.controlsrc = "287";
cb.DataBindings.Add ("SelectedValue", d, "controlsrc");
frm.Controls.Add (cb);
Assert.AreEqual ("", cb.Text, "#01");
frm.Show ();
Assert.AreEqual ("SUCCESS", cb.Text, "#02");
}
}
}
class InitialBoundValue_dummy
{
string t;
public string controlsrc
{
get { return t; }
set { t = value; }
}
}
[Test]
public void ContextMenuTest ()
{
ComboBox cmb = new ComboBox ();
ContextMenu cm = new ContextMenu ();
Assert.IsNull (cmb.ContextMenu, "#1");
cmb.ContextMenu = cm;
Assert.AreSame (cmb.ContextMenu, cm, "#2");
cmb.DropDownStyle = ComboBoxStyle.DropDown;
Assert.AreSame (cmb.ContextMenu, cm, "#3");
cmb.DropDownStyle = ComboBoxStyle.DropDownList;
Assert.AreSame (cmb.ContextMenu, cm, "#4");
cmb.DropDownStyle = ComboBoxStyle.Simple;
Assert.AreSame (cmb.ContextMenu, cm, "#5");
}
[Test] // bug 80794
public void DataBindingTest ()
{
string table =
@"<?xml version=""1.0"" standalone=""yes""?>
<DOK>
<DOK>
<klient>287</klient>
</DOK>
</DOK>
";
string lookup =
@"<?xml version=""1.0"" standalone=""yes""?>
<klient>
<klient>
<nimi>FAILED</nimi>
<kood>316</kood>
</klient>
<klient>
<nimi>SUCCESS</nimi>
<kood>287</kood>
</klient>
</klient>";
using (Form frm = new Form ()) {
frm.ShowInTaskbar = false;
DataSet dsTable = new DataSet ();
dsTable.ReadXml (new StringReader (table));
DataSet dsLookup = new DataSet ();
dsLookup.ReadXml (new StringReader (lookup));
ComboBox cb = new ComboBox ();
cb.DataSource = dsLookup.Tables [0];
cb.DisplayMember = "nimi";
cb.ValueMember = "kood";
cb.DataBindings.Add ("SelectedValue", dsTable.Tables [0], "klient");
frm.Controls.Add (cb);
Assert.AreEqual ("", cb.Text, "#01");
frm.Show ();
Assert.AreEqual ("SUCCESS", cb.Text, "#02");
}
}
[Test] // bug #82069
public void DataBindingTest2 ()
{
ComboBox cmb = new ComboBox ();
cmb.Items.Add (new MockItem ("Foo", 9));
cmb.Items.Add (new MockItem ("Bar", 6));
cmb.ValueMember = "Value";
cmb.DisplayMember = "Text";
Form form = new Form ();
form.Controls.Add (cmb);
form.Show ();
cmb.SelectedIndex = 0;
Assert.AreEqual ("Foo", cmb.Text, "#1");
cmb.SelectedIndex = 1;
Assert.AreEqual ("Bar", cmb.Text, "#2");
form.Dispose ();
}
[Test]
public void ComboBoxPropertyTest ()
{
ComboBox mycmbbox = new ComboBox ();
Assert.AreEqual (DrawMode.Normal, mycmbbox.DrawMode, "#1");
Assert.AreEqual (ComboBoxStyle.DropDown, mycmbbox.DropDownStyle, "#2");
Assert.AreEqual (false, mycmbbox.DroppedDown, "#4");
Assert.AreEqual (true, mycmbbox.IntegralHeight, "#5");
Assert.AreEqual (0, mycmbbox.Items.Count, "#6");
//Assert.AreEqual (15, mycmbbox.ItemHeight, "#7"); // Note: Item height depends on the current font.
Assert.AreEqual (8, mycmbbox.MaxDropDownItems, "#8");
Assert.AreEqual (0, mycmbbox.MaxLength, "#9");
//Assert.AreEqual (20, mycmbbox.PreferredHeight, "#10");
// Note: Item height depends on the current font.
Assert.AreEqual (-1, mycmbbox.SelectedIndex, "#11");
Assert.AreEqual (null, mycmbbox.SelectedItem, "#12");
Assert.AreEqual ("", mycmbbox.SelectedText, "#13");
Assert.AreEqual (0, mycmbbox.SelectionLength, "#14");
Assert.AreEqual (0, mycmbbox.SelectionStart, "#15");
Assert.AreEqual (false, mycmbbox.Sorted, "#16");
Assert.AreEqual ("", mycmbbox.Text, "#17");
#if NET_2_0
Assert.AreEqual (true, mycmbbox.AutoCompleteCustomSource != null, "#18");
Assert.AreEqual (AutoCompleteMode.None, mycmbbox.AutoCompleteMode, "#19");
Assert.AreEqual (AutoCompleteSource.None, mycmbbox.AutoCompleteSource, "#20");
mycmbbox.AutoCompleteCustomSource = null;
Assert.AreEqual (true, mycmbbox.AutoCompleteCustomSource != null, "#21");
Assert.AreEqual (ImageLayout.Tile, mycmbbox.BackgroundImageLayout, "#22");
Assert.AreEqual (null, mycmbbox.DataSource, "#23");
Assert.AreEqual (106, mycmbbox.DropDownHeight, "#24");
Assert.AreEqual (FlatStyle.Standard, mycmbbox.FlatStyle, "#25");
Assert.AreEqual ("{Width=0, Height=0}", mycmbbox.MaximumSize.ToString (), "#26");
Assert.AreEqual ("{Width=0, Height=0}", mycmbbox.MinimumSize.ToString (), "#27");
Assert.AreEqual ("{Left=0,Top=0,Right=0,Bottom=0}", mycmbbox.Padding.ToString (), "#28");
#endif
}
[Test]
public void PreferredHeight ()
{
// PreferredHeight is not tied to ItemHeight like we had it
ComboBox cb = new ComboBox ();
int h = cb.PreferredHeight;
cb.ItemHeight = 10;
Assert.AreEqual (h, cb.PreferredHeight, "A2");
cb.ItemHeight = 30;
Assert.AreEqual (h, cb.PreferredHeight, "A3");
}
#if NET_2_0
[Test]
public void ResetTextTest ()
{
ComboBox cmbbox = new ComboBox ();
Assert.AreEqual ("", cmbbox.Text, "#01");
cmbbox.Text = "abc";
Assert.AreEqual ("abc", cmbbox.Text, "#02");
cmbbox.ResetText ();
Assert.AreEqual ("", cmbbox.Text, "#03");
}
[Test]
public void BackgroundImageLayoutTest ()
{
ComboBox cmbbox = new ComboBox ();
cmbbox.BackgroundImageLayout = ImageLayout.Stretch;
Assert.AreEqual (ImageLayout.Stretch, cmbbox.BackgroundImageLayout, "#01");
}
[Test]
public void DropDownHeightTest ()
{
ComboBox cmbbox = new ComboBox ();
cmbbox.DropDownHeight = 225;
Assert.AreEqual (225, cmbbox.DropDownHeight, "#01");
cmbbox.DropDownHeight = 1;
Assert.AreEqual (1, cmbbox.DropDownHeight, "#02");
}
[Test]
[ExpectedException (typeof (ArgumentOutOfRangeException))]
public void DropDownHeightExceptionTest1 ()
{
ComboBox cmbbox = new ComboBox ();
cmbbox.DropDownHeight = -225;
}
[Test]
[ExpectedException (typeof (ArgumentOutOfRangeException))]
public void DropDownHeightExceptionTest2 ()
{
ComboBox cmbbox = new ComboBox ();
cmbbox.DropDownHeight = 0;
}
[Test]
public void FlatStyleTest ()
{
ComboBox cmbbox = new ComboBox ();
cmbbox.FlatStyle = FlatStyle.Popup;
Assert.AreEqual (FlatStyle.Popup, cmbbox.FlatStyle, "#01");
}
[Test]
[ExpectedException (typeof (InvalidEnumArgumentException))]
public void FlatStyleExceptionTest ()
{
ComboBox cmbbox = new ComboBox ();
cmbbox.FlatStyle = (FlatStyle) (-123);
}
[Test]
public void MaximumSizeTest ()
{
ComboBox cmbbox = new ComboBox ();
cmbbox.MaximumSize = new Size (25, 25);
Assert.AreEqual ("{Width=25, Height=0}", cmbbox.MaximumSize.ToString (), "#01");
cmbbox.MaximumSize = new Size (50, 75);
Assert.AreEqual ("{Width=50, Height=0}", cmbbox.MaximumSize.ToString (), "#02");
}
[Test]
public void MinumumSizeTest ()
{
ComboBox cmbbox = new ComboBox ();
cmbbox.MinimumSize = new Size (25, 25);
Assert.AreEqual ("{Width=25, Height=0}", cmbbox.MinimumSize.ToString (), "#1");
cmbbox.MinimumSize = new Size (50, 75);
Assert.AreEqual ("{Width=50, Height=0}", cmbbox.MinimumSize.ToString (), "#2");
}
[Test]
public void PaddingTest ()
{
ComboBox cmbbox = new ComboBox ();
cmbbox.Padding = new Padding (21);
Assert.AreEqual ("{Left=21,Top=21,Right=21,Bottom=21}", cmbbox.Padding.ToString (), "#01");
}
#endif
[Test]
public void BeginEndUpdateTest ()
{
Form myform = new Form ();
myform.ShowInTaskbar = false;
myform.Visible = true;
ComboBox cmbbox = new ComboBox ();
cmbbox.Items.Add ("A");
cmbbox.Visible = true;
myform.Controls.Add (cmbbox);
cmbbox.BeginUpdate ();
for (int x = 1 ; x < 5000 ; x++) {
cmbbox.Items.Add ("Item " + x.ToString ());
}
cmbbox.EndUpdate ();
myform.Dispose ();
}
[Test]
public void FindString ()
{
Thread.CurrentThread.CurrentCulture = new CultureInfo ("tr-TR");
ComboBox cmbbox = new ComboBox ();
Assert.AreEqual (-1, cmbbox.FindString ("Hello"), "#A1");
Assert.AreEqual (-1, cmbbox.FindString (string.Empty), "#A2");
Assert.AreEqual (-1, cmbbox.FindString (null), "#A3");
Assert.AreEqual (-1, cmbbox.FindString ("Hola", -5), "#A4");
Assert.AreEqual (-1, cmbbox.FindString ("Hola", 40), "#A5");
cmbbox.Items.AddRange (new object [] { "in", "BADTest", "IN", "BAD", "Bad", "In" });
Assert.AreEqual (2, cmbbox.FindString ("I"), "#B1");
Assert.AreEqual (0, cmbbox.FindString ("in"), "#B2");
Assert.AreEqual (1, cmbbox.FindString ("BAD"), "#B3");
Assert.AreEqual (1, cmbbox.FindString ("Bad"), "#B4");
Assert.AreEqual (1, cmbbox.FindString ("b"), "#B5");
Assert.AreEqual (0, cmbbox.FindString (string.Empty), "#B6");
Assert.AreEqual (-1, cmbbox.FindString (null), "#B7");
Assert.AreEqual (3, cmbbox.FindString ("b", 2), "#C1");
Assert.AreEqual (5, cmbbox.FindString ("I", 3), "#C2");
Assert.AreEqual (4, cmbbox.FindString ("B", 3), "#C3");
Assert.AreEqual (1, cmbbox.FindString ("B", 4), "#C4");
Assert.AreEqual (5, cmbbox.FindString ("I", 4), "#C5");
Assert.AreEqual (4, cmbbox.FindString ("BA", 3), "#C6");
Assert.AreEqual (0, cmbbox.FindString ("i", -1), "#C7");
Assert.AreEqual (3, cmbbox.FindString (string.Empty, 2), "#C8");
Assert.AreEqual (-1, cmbbox.FindString (null, 1), "#C9");
cmbbox.Items.Add (string.Empty);
Assert.AreEqual (0, cmbbox.FindString (string.Empty), "#D1");
Assert.AreEqual (-1, cmbbox.FindString (null), "#D2");
Assert.AreEqual (4, cmbbox.FindString (string.Empty, 3), "#E1");
Assert.AreEqual (-1, cmbbox.FindString (null, 99), "#E2");
Assert.AreEqual (-1, cmbbox.FindString (null, -5), "#E3");
}
[Test]
public void FindString_StartIndex_ItemCount ()
{
Thread.CurrentThread.CurrentCulture = new CultureInfo ("tr-TR");
ComboBox cmbbox = new ComboBox ();
cmbbox.Items.AddRange (new object [] { "BA", "BB" });
#if NET_2_0
Assert.AreEqual (0, cmbbox.FindString ("b", 1));
#else
try {
cmbbox.FindString ("b", 1);
Assert.Fail ("#1");
} catch (ArgumentOutOfRangeException ex) {
Assert.AreEqual (typeof (ArgumentOutOfRangeException), ex.GetType (), "#2");
Assert.IsNull (ex.InnerException, "#3");
Assert.IsNotNull (ex.Message, "#4");
Assert.IsNotNull (ex.ParamName, "#5");
Assert.AreEqual ("startIndex", ex.ParamName, "#6");
}
#endif
}
[Test]
public void FindString_StartIndex_Min ()
{
ComboBox cmbbox = new ComboBox ();
cmbbox.Items.AddRange (new object [] { "ACBD", "ABDC", "ACBD", "ABCD" });
try {
cmbbox.FindString ("Hola", -2);
Assert.Fail ("#1");
} catch (ArgumentOutOfRangeException ex) {
Assert.AreEqual (typeof (ArgumentOutOfRangeException), ex.GetType (), "#2");
Assert.IsNull (ex.InnerException, "#3");
Assert.IsNotNull (ex.Message, "#4");
Assert.IsNotNull (ex.ParamName, "#5");
Assert.AreEqual ("startIndex", ex.ParamName, "#6");
}
}
[Test]
public void FindString_StartIndex_Max ()
{
ComboBox cmbbox = new ComboBox ();
cmbbox.Items.AddRange (new object [] { "ACBD", "ABDC", "ACBD", "ABCD" });
try {
cmbbox.FindString ("Hola", 4);
Assert.Fail ("#1");
} catch (ArgumentOutOfRangeException ex) {
Assert.AreEqual (typeof (ArgumentOutOfRangeException), ex.GetType (), "#2");
Assert.IsNull (ex.InnerException, "#3");
Assert.IsNotNull (ex.Message, "#4");
Assert.IsNotNull (ex.ParamName, "#5");
Assert.AreEqual ("startIndex", ex.ParamName, "#6");
}
}
[Test]
public void FindStringExact ()
{
Thread.CurrentThread.CurrentCulture = new CultureInfo ("tr-TR");
ComboBox cmbbox = new ComboBox ();
Assert.AreEqual (-1, cmbbox.FindStringExact ("Hello"), "#A1");
Assert.AreEqual (-1, cmbbox.FindStringExact (string.Empty), "#A2");
Assert.AreEqual (-1, cmbbox.FindStringExact (null), "#A3");
Assert.AreEqual (-1, cmbbox.FindStringExact ("Hola", -5), "#A4");
Assert.AreEqual (-1, cmbbox.FindStringExact ("Hola", 40), "#A5");
cmbbox.Items.AddRange (new object [] { "in", "BADTest", "IN", "BAD", "Bad", "In" });
Assert.AreEqual (2, cmbbox.FindStringExact ("IN"), "#B1");
Assert.AreEqual (0, cmbbox.FindStringExact ("in"), "#B2");
Assert.AreEqual (3, cmbbox.FindStringExact ("BAD"), "#B3");
Assert.AreEqual (3, cmbbox.FindStringExact ("bad"), "#B4");
Assert.AreEqual (-1, cmbbox.FindStringExact ("B"), "#B5");
Assert.AreEqual (-1, cmbbox.FindStringExact ("NonExistant"), "#B6");
Assert.AreEqual (-1, cmbbox.FindStringExact (string.Empty), "#B7");
Assert.AreEqual (-1, cmbbox.FindStringExact (null), "#B8");
Assert.AreEqual (2, cmbbox.FindStringExact ("In", 1), "#C1");
Assert.AreEqual (5, cmbbox.FindStringExact ("In", 2), "#C2");
Assert.AreEqual (4, cmbbox.FindStringExact ("BaD", 3), "#C3");
Assert.AreEqual (3, cmbbox.FindStringExact ("bad", -1), "#C4");
Assert.AreEqual (5, cmbbox.FindStringExact ("In", 4), "#C5");
Assert.AreEqual (3, cmbbox.FindStringExact ("bad", 4), "#C6");
Assert.AreEqual (-1, cmbbox.FindStringExact ("B", 4), "#C7");
Assert.AreEqual (-1, cmbbox.FindStringExact ("BADNOT", 0), "#C8");
Assert.AreEqual (-1, cmbbox.FindStringExact ("i", -1), "#C9");
Assert.AreEqual (-1, cmbbox.FindStringExact (string.Empty, 2), "#C10");
Assert.AreEqual (-1, cmbbox.FindStringExact (null, 1), "#C11");
cmbbox.Items.Add (string.Empty);
Assert.AreEqual (6, cmbbox.FindStringExact (string.Empty), "#D1");
Assert.AreEqual (-1, cmbbox.FindStringExact (null), "#D2");
Assert.AreEqual (6, cmbbox.FindStringExact (string.Empty, 3), "#E1");
Assert.AreEqual (-1, cmbbox.FindStringExact (null, 99), "#E2");
Assert.AreEqual (-1, cmbbox.FindStringExact (null, -5), "#E3");
}
[Test]
public void FindStringExact_StartIndex_ItemCount ()
{
Thread.CurrentThread.CurrentCulture = new CultureInfo ("tr-TR");
ComboBox cmbbox = new ComboBox ();
cmbbox.Items.AddRange (new object [] { "AB", "BA", "AB", "BA" });
#if NET_2_0
Assert.AreEqual (1, cmbbox.FindStringExact ("BA", 3));
#else
try {
cmbbox.FindString ("BA", 3);
Assert.Fail ("#1");
} catch (ArgumentOutOfRangeException ex) {
Assert.AreEqual (typeof (ArgumentOutOfRangeException), ex.GetType (), "#2");
Assert.IsNull (ex.InnerException, "#3");
Assert.IsNotNull (ex.Message, "#4");
Assert.IsNotNull (ex.ParamName, "#5");
Assert.AreEqual ("startIndex", ex.ParamName, "#6");
}
#endif
}
[Test]
public void FindStringExact_StartIndex_Min ()
{
ComboBox cmbbox = new ComboBox ();
cmbbox.Items.AddRange (new object [] { "ACBD", "ABDC", "ACBD", "ABCD" });
try {
cmbbox.FindStringExact ("Hola", -2);
Assert.Fail ("#1");
} catch (ArgumentOutOfRangeException ex) {
Assert.AreEqual (typeof (ArgumentOutOfRangeException), ex.GetType (), "#2");
Assert.IsNull (ex.InnerException, "#3");
Assert.IsNotNull (ex.Message, "#4");
Assert.IsNotNull (ex.ParamName, "#5");
Assert.AreEqual ("startIndex", ex.ParamName, "#6");
}
}
[Test]
public void FindStringExact_StartIndex_Max ()
{
ComboBox cmbbox = new ComboBox ();
cmbbox.Items.AddRange (new object [] { "ACBD", "ABDC", "ACBD", "ABCD" });
try {
cmbbox.FindStringExact ("Hola", 4);
Assert.Fail ("#1");
} catch (ArgumentOutOfRangeException ex) {
Assert.AreEqual (typeof (ArgumentOutOfRangeException), ex.GetType (), "#2");
Assert.IsNull (ex.InnerException, "#3");
Assert.IsNotNull (ex.Message, "#4");
Assert.IsNotNull (ex.ParamName, "#5");
Assert.AreEqual ("startIndex", ex.ParamName, "#6");
}
}
[Test]
public void GetItemHeightTest ()
{
ComboBox cmbbox = new ComboBox ();
cmbbox.Items.Add ("ABC");
cmbbox.Items.Add ("BCD");
cmbbox.Items.Add ("DEF");
int x = -1;
x = cmbbox.GetItemHeight (x);
Assert.IsTrue (cmbbox.ItemHeight > 0, "#21");
}
//
// Exceptions
//
[Test]
[ExpectedException (typeof (InvalidEnumArgumentException))]
public void DropDownStyleException ()
{
ComboBox cmbbox = new ComboBox ();
cmbbox.DropDownStyle = (ComboBoxStyle) 10;
}
[Test]
[ExpectedException (typeof (InvalidEnumArgumentException))]
public void DrawModeException ()
{
ComboBox cmbbox = new ComboBox ();
cmbbox.DrawMode = (DrawMode) 10;
}
[Test]
public void DropDownWidth ()
{
ComboBox cmbbox = new ComboBox ();
Assert.AreEqual (121, cmbbox.DropDownWidth, "#A1");
cmbbox.DropDownWidth = 1;
Assert.AreEqual (1, cmbbox.DropDownWidth, "#A2");
try {
cmbbox.DropDownWidth = 0;
Assert.Fail ("#B1");
}
#if NET_2_0
catch (ArgumentOutOfRangeException ex) {
Assert.AreEqual (typeof (ArgumentOutOfRangeException), ex.GetType (), "#B2");
Assert.IsNotNull (ex.Message, "#B3");
Assert.IsNotNull (ex.ParamName, "#B4");
Assert.AreEqual ("DropDownWidth", ex.ParamName, "#B5");
Assert.IsNull (ex.InnerException, "#B6");
}
#else
catch (ArgumentException ex) {
Assert.AreEqual (typeof (ArgumentException), ex.GetType (), "#B2");
Assert.IsNotNull (ex.Message, "#B3");
Assert.IsNull (ex.ParamName, "#B4");
Assert.IsNull (ex.InnerException, "#B5");
}
#endif
}
[Test]
public void ItemHeight ()
{
ComboBox cmbbox = new ComboBox ();
Assert.IsTrue (cmbbox.ItemHeight >= 1, "#A1");
cmbbox.ItemHeight = 1;
Assert.AreEqual (1, cmbbox.ItemHeight, "#A2");
try {
cmbbox.ItemHeight = 0;
Assert.Fail ("#B1");
}
#if NET_2_0
catch (ArgumentOutOfRangeException ex) {
Assert.AreEqual (typeof (ArgumentOutOfRangeException), ex.GetType (), "#B2");
Assert.IsNotNull (ex.Message, "#B3");
Assert.IsNotNull (ex.ParamName, "#B4");
Assert.AreEqual ("ItemHeight", ex.ParamName, "#B5");
Assert.IsNull (ex.InnerException, "#B6");
}
#else
catch (ArgumentException ex) {
Assert.AreEqual (typeof (ArgumentException), ex.GetType (), "#B2");
Assert.IsNotNull (ex.Message, "#B3");
Assert.IsNull (ex.ParamName, "#B4");
Assert.IsNull (ex.InnerException, "#B5");
}
#endif
}
[Test]
[ExpectedException (typeof (ArgumentOutOfRangeException))]
public void SelectedIndexException ()
{
ComboBox cmbbox = new ComboBox ();
cmbbox.SelectedIndex = -2;
}
//Bug 2234 (Xamarin) : Test 1
[Test]
public void VerifyNoExceptions2234()
{
using (Form form = new Form ()){
ComboBox cmb = new ComboBox();
form.Controls.Add (cmb);
form.Show ();
eventFired=false; //for sanity
//Primary failure: if exception is raised when
// DataSource changes. We should "eat" the
// exception under this circumstance before
// it gets here.
cmb.SelectedIndexChanged +=
new EventHandler(GenericHandlerWithException);
cmb.DataSource=new string[]{"One","Two","Three"};
Assert.IsTrue(eventFired);
}
}
//Bug 2234 (Xamarin) : Test 2
[Test]
[ExpectedException (typeof (Exception))]
public void VerifyException2234()
{
using (Form form = new Form ())
{
ComboBox cmb = new ComboBox();
form.Controls.Add (cmb);
form.Show ();
cmb.SelectedIndexChanged +=
new EventHandler(GenericHandlerWithException);
cmb.DataSource=new string[]{"One","Two","Three"};
//Here's where Exception Should raise normally
cmb.SelectedIndex=2;
}
}
//
// Events
//
private bool eventFired;
private DrawItemEventArgs drawItemsArgs;
private void DrawItemEventH (object sender, DrawItemEventArgs e)
{
eventFired = true;
drawItemsArgs = e;
}
private void GenericHandler (object sender, EventArgs e)
{
eventFired = true;
}
private void GenericHandlerWithException (object sender, EventArgs e)
{
eventFired = true;
throw new Exception("Crash!");
}
[Ignore ("Bugs in X11 prevent this test to run properly")]
public void DrawItemEventTest ()
{
eventFired = false;
drawItemsArgs = null;
Form myform = new Form ();
myform.ShowInTaskbar = false;
ComboBox cmbbox = new ComboBox ();
cmbbox.DropDownStyle = ComboBoxStyle.Simple;
cmbbox.DrawMode = DrawMode.OwnerDrawFixed;
cmbbox.DrawItem += new DrawItemEventHandler (DrawItemEventH);
myform.Controls.Add (cmbbox);
cmbbox.Items.AddRange(new object[] {"Item1"});
myform.Visible = true;
cmbbox.Visible = true;
cmbbox.Refresh ();
Assert.AreEqual (true, eventFired, "DW1");
Assert.AreEqual (0, drawItemsArgs.Index, "DW2");
myform.Dispose ();
}
[Test]
public void DropDownStyleEventTest ()
{
eventFired = false;
ComboBox cmbbox = new ComboBox ();
cmbbox.DropDownStyleChanged += new EventHandler (GenericHandler);
cmbbox.DropDownStyle = ComboBoxStyle.Simple;
Assert.AreEqual (true, eventFired, "DI1");
}
[Test]
public void SelectedIndexTest ()
{
eventFired = false;
ComboBox cmbbox = new ComboBox ();
cmbbox.Items.AddRange(new object[] {"Item1", "Item2"});
cmbbox.SelectedIndexChanged += new EventHandler (GenericHandler);
cmbbox.SelectedIndex = 1;
Assert.AreEqual (true, eventFired, "SI1");
}
[Test]
public void SelectionWithAdd()
{
ComboBox cb = new ComboBox();
cb.SelectedIndexChanged += new EventHandler(GenericHandler);
cb.Items.Add("Item 1");
cb.Items.Add("Item 3");
cb.SelectedIndex = 1;
eventFired = false;
cb.Items.Add("Item 4");
Assert.AreEqual(1, cb.SelectedIndex, "SWA1");
Assert.AreEqual(false, eventFired, "SWA2");
cb.Sorted = true;
cb.SelectedIndex = 1;
eventFired = false;
cb.Items.Add("Item 5");
Assert.AreEqual(1, cb.SelectedIndex, "SWA3");
Assert.AreEqual("Item 3", cb.SelectedItem, "SWA4");
Assert.AreEqual(false, eventFired, "SWA5");
cb.SelectedIndex = 1;
eventFired = false;
cb.Items.Add("Item 2");
Assert.AreEqual(1, cb.SelectedIndex, "SWA6");
Assert.AreEqual("Item 2", cb.SelectedItem, "SWA7");
Assert.AreEqual(false, eventFired, "SWA8");
}
[Test]
public void SelectionWithInsert()
{
ComboBox cb = new ComboBox();
cb.SelectedIndexChanged += new EventHandler(GenericHandler);
cb.Items.Add("Item 1");
cb.SelectedIndex = 0;
eventFired = false;
cb.Items.Insert(0, "Item 2");
Assert.AreEqual(0, cb.SelectedIndex, "SWI1");
Assert.AreEqual(false, eventFired, "SWI2");
}
[Test]
// Xamarin bug 5595
// https://bugzilla.xamarin.com/show_bug.cgi?id=5595
public void SelectionWithDeletion()
{
Form form = null;
try
{
// Create a form with a combo box.
form = new Form ();
form.ShowInTaskbar = false;
ComboBox cb = new ComboBox ();
cb.DropDownStyle = ComboBoxStyle.DropDownList;
cb.Parent = form;
form.Show ();
// Add some items to the combo box.
cb.Items.Add ("Item 0");
cb.Items.Add ("Item 1");
cb.Items.Add ("Item 2");
// Select the last item.
cb.SelectedIndex = 2;
Assert.AreEqual(2, cb.SelectedIndex, "SWD1");
// Show the combo box's dropdown.
cb.DroppedDown = true;
// Display the results.
Application.DoEvents();
// Hide the combo box's dropdown.
cb.DroppedDown = false;
// Display the results.
Application.DoEvents();
// Delete an item before the selection.
// That should move the selection down.
// Before the bug fix, it would remain 2.
cb.Items.RemoveAt (1);
Assert.AreEqual(1, cb.SelectedIndex, "SWD2");
// Show the combo box's dropdown.
// Before the bug fix, this would throw an
// ArgumentOutOfRangeException, because the
// selected index was still 2, and hence
// invalid.)
cb.DroppedDown = true;
Assert.AreEqual(1, cb.SelectedIndex, "SWD3");
// Display the results.
Application.DoEvents();
}
finally
{
// Get rid of the form.
if (form != null)
form.Dispose ();
}
}
[Test]
public void SelectionWithClear()
{
ComboBox cb = new ComboBox();
cb.SelectedIndexChanged += new EventHandler(GenericHandler);
cb.Items.Add("Item 1");
cb.SelectedIndex = 0;
eventFired = false;
cb.Items.Clear();
Assert.AreEqual(-1, cb.SelectedIndex, "SWC1");
Assert.AreEqual(false, eventFired, "SWC2");
}
[Test]
public void SelectionWithModification()
{
// ComboBox's this[int].set() was dealing with the
// current index badly. This reproduces the old bug and
// makes sure it's fixed.
ComboBox cb = new ComboBox ();
cb.DropDownStyle = ComboBoxStyle.DropDown;
// Add a menu item.
string strItemText = "Item text";
cb.Items.Add (strItemText);
// Select the menu item.
cb.SelectedIndex = 0;
// Move the selection to the end of the text.
cb.SelectionLength = 0;
cb.SelectionStart = strItemText.Length;
// Now set the menu item's text to the empty string and
// back again.
cb.Items[0] = string.Empty;
cb.Items[0] = strItemText;
// Make sure the text didn't get duplicated (i.e. the
// bugged code would produce "Item textItem text").
Assert.AreEqual (strItemText, cb.Text, "A1");
}
// Bug #333750 - DisplayMember assignation
// when ComboBox already has a BindingContext BUT
// handle hasn't been created yet.
[Test]
public void SelectedTextWithBindingTest ()
{
Form form = new Form ();
form.ShowInTaskbar = false;
ComboBox cb = new ComboBox ();
cb.Parent = form;
MockItem [] items = new MockItem [] {
new MockItem ("A", 0),
new MockItem ("B", 1),
new MockItem ("C", 2)
};
cb.DataSource = items;
cb.DisplayMember = "Text";
form.Show ();
Assert.AreEqual ("A", cb.SelectedText, "#A1");
form.Dispose ();
}
[Test]
public void SortedTest()
{
ComboBox mycb = new ComboBox();
Assert.AreEqual(false, mycb.Sorted, "#1");
mycb.Items.Add("Item 2");
mycb.Items.Add("Item 1");
Assert.AreEqual("Item 2", mycb.Items[0], "#2");
Assert.AreEqual("Item 1", mycb.Items[1], "#3");
mycb.Sorted = true;
Assert.AreEqual(true, mycb.Sorted, "#4");
Assert.AreEqual("Item 1", mycb.Items[0], "#5");
Assert.AreEqual("Item 2", mycb.Items[1], "#6");
mycb.Sorted = false;
Assert.AreEqual(false, mycb.Sorted, "#7");
Assert.AreEqual("Item 1", mycb.Items[0], "#8");
Assert.AreEqual("Item 2", mycb.Items[1], "#9");
}
[Test]
public void SortedAddTest()
{
ComboBox mycb = new ComboBox();
mycb.Items.Add("Item 2");
mycb.Items.Add("Item 1");
mycb.Sorted = true;
Assert.AreEqual("Item 1", mycb.Items[0], "#I1");
Assert.AreEqual("Item 2", mycb.Items[1], "#I2");
}
[Test]
public void SortedInsertTest()
{
ComboBox mycb = new ComboBox();
mycb.Items.Add("Item 2");
mycb.Items.Add("Item 1");
mycb.Sorted = true;
mycb.Items.Insert (0, "Item 3");
Assert.AreEqual("Item 1", mycb.Items[0], "#J1");
Assert.AreEqual("Item 2", mycb.Items[1], "#J2");
Assert.AreEqual("Item 3", mycb.Items[2], "#J3");
}
[Test]
public void SortedSelectionInteractions()
{
ComboBox cb = new ComboBox();
cb.SelectedIndexChanged += new EventHandler(GenericHandler);
cb.Items.Add("Item 1");
cb.Items.Add("Item 2");
cb.Items.Add("Item 3");
cb.SelectedIndex = 1;
eventFired = false;
cb.Sorted = true;
Assert.AreEqual(-1, cb.SelectedIndex, "#SSI1");
Assert.AreEqual(true, eventFired, "#SSI2");
cb.SelectedIndex = 1;
eventFired = false;
cb.Sorted = true;
Assert.AreEqual(1, cb.SelectedIndex, "#SSI3");
Assert.AreEqual(false, eventFired, "#SSI4");
cb.SelectedIndex = 1;
eventFired = false;
cb.Sorted = false;
Assert.AreEqual(-1, cb.SelectedIndex, "#SSI5");
Assert.AreEqual(true, eventFired, "#SSI6");
}
[Test]
public void Text_DropDown ()
{
Thread.CurrentThread.CurrentCulture = new CultureInfo ("tr-TR");
ComboBox cmbbox = new ComboBox ();
Assert.IsNotNull (cmbbox.Text, "#A1");
Assert.AreEqual (string.Empty, cmbbox.Text, "#A2");
Assert.AreEqual (-1, cmbbox.SelectedIndex, "#A3");
cmbbox.Items.Add ("Another");
cmbbox.Items.Add ("Bad");
cmbbox.Items.Add ("IN");
cmbbox.Items.Add ("Combobox");
cmbbox.Items.Add ("BAD");
cmbbox.Items.Add ("iN");
cmbbox.Items.Add ("Bad");
Assert.IsNotNull (cmbbox.Text, "#B1");
Assert.AreEqual (string.Empty, cmbbox.Text, "#B2");
Assert.AreEqual (-1, cmbbox.SelectedIndex, "#B3");
cmbbox.SelectedIndex = 3;
Assert.IsNotNull (cmbbox.Text, "#C1");
Assert.AreEqual ("Combobox", cmbbox.Text, "#C2");
Assert.AreEqual (3, cmbbox.SelectedIndex, "#C3");
cmbbox.Text = string.Empty;
Assert.IsNotNull (cmbbox.Text, "#D1");
Assert.AreEqual (string.Empty, cmbbox.Text, "#D2");
Assert.AreEqual (3, cmbbox.SelectedIndex, "#D3");
cmbbox.SelectedIndex = 1;
Assert.IsNotNull (cmbbox.Text, "#E1");
Assert.AreEqual ("Bad", cmbbox.Text, "#E2");
Assert.AreEqual (1, cmbbox.SelectedIndex, "#E3");
cmbbox.Text = null;
Assert.IsNotNull (cmbbox.Text, "#F1");
Assert.AreEqual (string.Empty, cmbbox.Text, "#F2");
Assert.AreEqual (-1, cmbbox.SelectedIndex, "#F3");
cmbbox.SelectedIndex = 0;
cmbbox.Text = "Q";
Assert.IsNotNull (cmbbox.Text, "#G1");
Assert.AreEqual ("Q", cmbbox.Text, "#G2");
Assert.AreEqual (0, cmbbox.SelectedIndex, "#G3");
cmbbox.Text = "B";
Assert.IsNotNull (cmbbox.Text, "#H1");
Assert.AreEqual ("B", cmbbox.Text, "#H2");
Assert.AreEqual (0, cmbbox.SelectedIndex, "#H3");
cmbbox.Text = "BAD";
Assert.IsNotNull (cmbbox.Text, "#I1");
Assert.AreEqual ("BAD", cmbbox.Text, "#I2");
Assert.AreEqual (4, cmbbox.SelectedIndex, "#I3");
cmbbox.Text = "BAD";
Assert.IsNotNull (cmbbox.Text, "#J1");
Assert.AreEqual ("BAD", cmbbox.Text, "#J2");
Assert.AreEqual (4, cmbbox.SelectedIndex, "#J3");
cmbbox.Text = "Something";
Assert.IsNotNull (cmbbox.Text, "#T1");
Assert.AreEqual ("Something", cmbbox.Text, "#T2");
Assert.AreEqual (4, cmbbox.SelectedIndex, "#T3");
cmbbox.Text = "BAD";
Assert.IsNotNull (cmbbox.Text, "#U1");
Assert.AreEqual ("BAD", cmbbox.Text, "#U2");
Assert.AreEqual (4, cmbbox.SelectedIndex, "#U3");
cmbbox.Text = "baD";
Assert.IsNotNull (cmbbox.Text, "#K1");
Assert.AreEqual ("Bad", cmbbox.Text, "#K2");
Assert.AreEqual (1, cmbbox.SelectedIndex, "#K3");
cmbbox.SelectedIndex = -1;
cmbbox.Text = "E";
Assert.IsNotNull (cmbbox.Text, "#L1");
Assert.AreEqual ("E", cmbbox.Text, "#L2");
Assert.AreEqual (-1, cmbbox.SelectedIndex, "#L3");
cmbbox.Text = "iN";
Assert.IsNotNull (cmbbox.Text, "#M1");
Assert.AreEqual ("iN", cmbbox.Text, "#M2");
Assert.AreEqual (5, cmbbox.SelectedIndex, "#M3");
cmbbox.Text = "In";
Assert.IsNotNull (cmbbox.Text, "#N1");
Assert.AreEqual ("IN", cmbbox.Text, "#N2");
Assert.AreEqual (2, cmbbox.SelectedIndex, "#N3");
cmbbox.Text = "Badd";
Assert.IsNotNull (cmbbox.Text, "#O1");
Assert.AreEqual ("Badd", cmbbox.Text, "#O2");
Assert.AreEqual (2, cmbbox.SelectedIndex, "#O3");
cmbbox.SelectedIndex = -1;
Assert.IsNotNull (cmbbox.Text, "#P1");
Assert.AreEqual (string.Empty, cmbbox.Text, "#P2");
Assert.AreEqual (-1, cmbbox.SelectedIndex, "#P3");
cmbbox.Text = "Something";
Assert.IsNotNull (cmbbox.Text, "#Q1");
Assert.AreEqual ("Something", cmbbox.Text, "#Q2");
Assert.AreEqual (-1, cmbbox.SelectedIndex, "#Q3");
cmbbox.SelectedIndex = -1;
Assert.IsNotNull (cmbbox.Text, "#R1");
Assert.AreEqual ("Something", cmbbox.Text, "#R2");
Assert.AreEqual (-1, cmbbox.SelectedIndex, "#R3");
cmbbox.Text = null;
Assert.IsNotNull (cmbbox.Text, "#S1");
Assert.AreEqual (string.Empty, cmbbox.Text, "#S2");
Assert.AreEqual (-1, cmbbox.SelectedIndex, "#S3");
}
[Test]
public void Text_DataBinding ()
{
ArrayList objects = new ArrayList ();
objects.Add (new MockItem ("A", 0));
objects.Add (new MockItem ("B", 1));
ComboBox cb = new ComboBox ();
cb.BindingContext = new BindingContext ();
cb.DataSource = objects;
cb.DisplayMember = "Text";
Assert.AreEqual ("A", cb.Text, "#A1");
Assert.AreEqual ("A", ((MockItem)cb.SelectedItem).Text, "#B2");
Assert.AreEqual (0, ((MockItem)cb.SelectedItem).Value, "#B3");
cb.Text = "B";
Assert.AreEqual ("B", cb.Text, "#B1");
Assert.AreEqual ("B", ((MockItem)cb.SelectedItem).Text, "#B2");
Assert.AreEqual (1, ((MockItem)cb.SelectedItem).Value, "#B3");
// the text will change graphically, but Text and
// SelectedItem will keep their previous valid values.
cb.Text = "dontexist";
Assert.AreEqual ("B", ((MockItem)cb.SelectedItem).Text, "#C2");
Assert.AreEqual (1, ((MockItem)cb.SelectedItem).Value, "#C3");
}
[Test] // bug 360862
public void SizeChangesAtCreateHandle ()
{
ComboBox cb = new ComboBox ();
cb.Font = new Font ("Arial", 24f);
int original = cb.Height;
IntPtr h = cb.Handle;
Assert.IsTrue (cb.Height > original, string.Format ("ComboBox height ({0}) should be bigger than original ({1})", cb.Height, original));
}
[Test]
public void Bug424270 ()
{
ComboBox cb = new ComboBox ();
cb.Items.Add ("ab");
cb.SelectedIndex = 0;
Assert.AreEqual (0, cb.SelectedIndex, "A1");
Assert.AreEqual ("ab", cb.SelectedItem, "A2");
cb.SelectedItem = null;
Assert.AreEqual (-1, cb.SelectedIndex, "A3");
Assert.AreEqual (null, cb.SelectedItem, "A4");
}
#if NET_2_0
[Test]
public void BehaviorAutoSize ()
{
if (TestHelper.RunningOnUnix)
Assert.Ignore ("Depends on font measurements, corresponds to windows");
Form f = new Form ();
f.ShowInTaskbar = false;
f.Show ();
Image i = new Bitmap (20, 20);
String s = "My test string";
CheckBox b = new CheckBox ();
Size s_size = TextRenderer.MeasureText (s, b.Font);
b.UseCompatibleTextRendering = false;
b.Size = new Size (5, 5);
b.AutoSize = true;
b.Text = s;
f.Controls.Add (b);
// Text only
b.TextImageRelation = TextImageRelation.Overlay;
Assert.AreEqual (new Size (s_size.Width + 19, s_size.Height + 4), b.Size, "A1");
b.TextImageRelation = TextImageRelation.ImageAboveText;
b.Size = new Size (5, 5);
Assert.AreEqual (new Size (s_size.Width + 19, s_size.Height + 4), b.Size, "A2");
b.TextImageRelation = TextImageRelation.ImageBeforeText;
b.Size = new Size (5, 5);
Assert.AreEqual (new Size (s_size.Width + 19, s_size.Height + 4), b.Size, "A3");
b.TextImageRelation = TextImageRelation.TextAboveImage;
b.Size = new Size (5, 5);
Assert.AreEqual (new Size (s_size.Width + 19, s_size.Height + 4), b.Size, "A4");
b.TextImageRelation = TextImageRelation.TextBeforeImage;
b.Size = new Size (5, 5);
Assert.AreEqual (new Size (s_size.Width + 19, s_size.Height + 4), b.Size, "A5");
// Text and Image
b.Image = i;
b.TextImageRelation = TextImageRelation.Overlay;
b.Size = new Size (5, 5);
Assert.AreEqual (new Size (s_size.Width + 19, i.Height), b.Size, "A6");
b.TextImageRelation = TextImageRelation.ImageAboveText;
b.Size = new Size (5, 5);
Assert.AreEqual (new Size (s_size.Width + 19, s_size.Height + i.Height + 4), b.Size, "A7");
b.TextImageRelation = TextImageRelation.ImageBeforeText;
b.Size = new Size (5, 5);
Assert.AreEqual (new Size (s_size.Width + i.Width + 19, i.Height), b.Size, "A8");
b.TextImageRelation = TextImageRelation.TextAboveImage;
b.Size = new Size (5, 5);
Assert.AreEqual (new Size (s_size.Width + 19, s_size.Height + i.Height + 4), b.Size, "A9");
b.TextImageRelation = TextImageRelation.TextBeforeImage;
b.Size = new Size (5, 5);
Assert.AreEqual (new Size (s_size.Width + i.Width + 19, i.Height), b.Size, "A10");
// Image only
b.Text = string.Empty;
b.TextImageRelation = TextImageRelation.Overlay;
b.Size = new Size (5, 5);
Assert.AreEqual (new Size (i.Height + 15, i.Height), b.Size, "A11");
b.TextImageRelation = TextImageRelation.ImageAboveText;
b.Size = new Size (5, 5);
Assert.AreEqual (new Size (i.Height + 15, i.Height), b.Size, "A12");
b.TextImageRelation = TextImageRelation.ImageBeforeText;
b.Size = new Size (5, 5);
Assert.AreEqual (new Size (i.Height + 15, i.Height), b.Size, "A13");
b.TextImageRelation = TextImageRelation.TextAboveImage;
b.Size = new Size (5, 5);
Assert.AreEqual (new Size (i.Height + 15, i.Height), b.Size, "A14");
b.TextImageRelation = TextImageRelation.TextBeforeImage;
b.Size = new Size (5, 5);
Assert.AreEqual (new Size (i.Height + 15, i.Height), b.Size, "A15");
// Neither
b.Image = null;
b.TextImageRelation = TextImageRelation.Overlay;
b.Size = new Size (5, 5);
Assert.AreEqual (new Size (15, 14), b.Size, "A16");
b.TextImageRelation = TextImageRelation.ImageAboveText;
b.Size = new Size (5, 5);
Assert.AreEqual (new Size (15, 14), b.Size, "A17");
b.TextImageRelation = TextImageRelation.ImageBeforeText;
b.Size = new Size (5, 5);
Assert.AreEqual (new Size (15, 14), b.Size, "A18");
b.TextImageRelation = TextImageRelation.TextAboveImage;
b.Size = new Size (5, 5);
Assert.AreEqual (new Size (15, 14), b.Size, "A19");
b.TextImageRelation = TextImageRelation.TextBeforeImage;
b.Size = new Size (5, 5);
Assert.AreEqual (new Size (15, 14), b.Size, "A20");
// Padding
b.Padding = new Padding (5, 10, 15, 20);
Assert.AreEqual (new Size (15 + b.Padding.Horizontal, 14 + b.Padding.Vertical), b.Size, "A21");
f.Dispose ();
}
[Test]
public void MethodScaleControl ()
{
Form f = new Form ();
f.ShowInTaskbar = false;
f.Show ();
PublicComboBox gb = new PublicComboBox ();
gb.Location = new Point (5, 10);
f.Controls.Add (gb);
Assert.AreEqual (new Rectangle (5, 10, 121, gb.PreferredHeight), gb.Bounds, "A1");
gb.PublicScaleControl (new SizeF (2.0f, 2.0f), BoundsSpecified.All);
Assert.AreEqual (new Rectangle (10, 20, 238, gb.PreferredHeight), gb.Bounds, "A2");
gb.PublicScaleControl (new SizeF (.5f, .5f), BoundsSpecified.Location);
Assert.AreEqual (new Rectangle (5, 10, 238, gb.PreferredHeight), gb.Bounds, "A3");
gb.PublicScaleControl (new SizeF (.5f, .5f), BoundsSpecified.Size);
Assert.AreEqual (new Rectangle (5, 10, 121, gb.PreferredHeight), gb.Bounds, "A4");
gb.PublicScaleControl (new SizeF (3.5f, 3.5f), BoundsSpecified.Size);
Assert.AreEqual (new Rectangle (5, 10, 414, gb.PreferredHeight), gb.Bounds, "A5");
gb.PublicScaleControl (new SizeF (2.5f, 2.5f), BoundsSpecified.Size);
Assert.AreEqual (new Rectangle (5, 10, 1029, gb.PreferredHeight), gb.Bounds, "A6");
gb.PublicScaleControl (new SizeF (.2f, .2f), BoundsSpecified.Size);
Assert.AreEqual (new Rectangle (5, 10, 209, gb.PreferredHeight), gb.Bounds, "A7");
f.Dispose ();
}
private class PublicComboBox : ComboBox
{
public void PublicScaleControl (SizeF factor, BoundsSpecified specified)
{
base.ScaleControl (factor, specified);
}
}
#endif
private struct ComboVal
{
public string text;
public ComboVal (string t)
{
text = t;
}
public override string ToString ()
{
return text;
}
}
[Test]
public void SortTest ()
{
// Test sorting of objects with no IComparer
// should not crash
ComboBox cmb = new ComboBox ();
cmb.Items.Add (new ComboVal ("B"));
cmb.Items.Add (new ComboVal ("A"));
cmb.Sorted = true;
}
}
[TestFixture]
public class ComboBoxObjectCollectionTest : TestHelper
{
[Test]
public void ComboBoxObjectCollectionPropertyTest ()
{
ComboBox.ObjectCollection col = new ComboBox.ObjectCollection (new ComboBox ());
Assert.AreEqual (false, col.IsReadOnly, "#B1");
Assert.AreEqual (false, ((ICollection)col).IsSynchronized, "#B2");
Assert.AreEqual (col, ((ICollection)col).SyncRoot, "#B3");
Assert.AreEqual (false, ((IList)col).IsFixedSize, "#B4");
}
[Test]
public void AddTest ()
{
ComboBox.ObjectCollection col = new ComboBox.ObjectCollection (new ComboBox ());
col.Add ("Item1");
col.Add ("Item2");
Assert.AreEqual (2, col.Count, "#C1");
}
[Test]
public void Add_Null ()
{
ComboBox.ObjectCollection col = new ComboBox.ObjectCollection (new ComboBox ());
try {
col.Add (null);
Assert.Fail ("#1");
} catch (ArgumentNullException ex) {
Assert.AreEqual (typeof (ArgumentNullException), ex.GetType (), "#2");
Assert.IsNull (ex.InnerException, "#3");
Assert.IsNotNull (ex.Message, "#4");
Assert.IsNotNull (ex.ParamName, "#5");
Assert.AreEqual ("item", ex.ParamName, "#6");
}
}
[Test]
public void AddRange_Null ()
{
ComboBox.ObjectCollection col = new ComboBox.ObjectCollection (new ComboBox ());
try {
col.AddRange (null);
Assert.Fail ("#1");
} catch (ArgumentNullException ex) {
Assert.AreEqual (typeof (ArgumentNullException), ex.GetType (), "#2");
Assert.IsNull (ex.InnerException, "#3");
Assert.IsNotNull (ex.Message, "#4");
Assert.IsNotNull (ex.ParamName, "#5");
Assert.AreEqual ("items", ex.ParamName, "#6");
}
}
[Test]
public void ClearTest ()
{
ComboBox.ObjectCollection col = new ComboBox.ObjectCollection (new ComboBox ());
col.Add ("Item1");
col.Add ("Item2");
col.Clear ();
Assert.AreEqual (0, col.Count, "#D1");
}
[Test]
public void ContainsTest ()
{
ComboBox.ObjectCollection col = new ComboBox.ObjectCollection (new ComboBox ());
object obj = "Item1";
col.Add (obj);
Assert.AreEqual (true, col.Contains ("Item1"), "#E1");
Assert.AreEqual (false, col.Contains ("Item2"), "#E2");
}
[Test]
public void Contains_Null ()
{
ComboBox.ObjectCollection col = new ComboBox.ObjectCollection (new ComboBox ());
try {
col.Contains (null);
Assert.Fail ("#1");
} catch (ArgumentNullException ex) {
Assert.AreEqual (typeof (ArgumentNullException), ex.GetType (), "#2");
Assert.IsNull (ex.InnerException, "#3");
Assert.IsNotNull (ex.Message, "#4");
Assert.IsNotNull (ex.ParamName, "#5");
#if NET_2_0
Assert.AreEqual ("value", ex.ParamName, "#6");
#endif
}
}
[Test]
public void IndexOfTest ()
{
ComboBox.ObjectCollection col = new ComboBox.ObjectCollection (new ComboBox ());
col.Add ("Item1");
col.Add ("Item2");
Assert.AreEqual (1, col.IndexOf ("Item2"), "#F1");
}
[Test]
public void IndexOf_Null ()
{
ComboBox.ObjectCollection col = new ComboBox.ObjectCollection (new ComboBox ());
try {
col.IndexOf (null);
Assert.Fail ("#1");
} catch (ArgumentNullException ex) {
Assert.AreEqual (typeof (ArgumentNullException), ex.GetType (), "#2");
Assert.IsNull (ex.InnerException, "#3");
Assert.IsNotNull (ex.Message, "#4");
Assert.IsNotNull (ex.ParamName, "#5");
#if NET_2_0
Assert.AreEqual ("value", ex.ParamName, "#6");
#endif
}
}
[Test]
public void Insert_Null ()
{
ComboBox.ObjectCollection col = new ComboBox.ObjectCollection (new ComboBox ());
col.Add ("Item1");
try {
col.Insert (0, null);
Assert.Fail ("#1");
} catch (ArgumentNullException ex) {
Assert.AreEqual (typeof (ArgumentNullException), ex.GetType (), "#2");
Assert.IsNull (ex.InnerException, "#3");
Assert.IsNotNull (ex.Message, "#4");
Assert.IsNotNull (ex.ParamName, "#5");
Assert.AreEqual ("item", ex.ParamName, "#6");
}
}
[Test]
public void RemoveTest ()
{
ComboBox.ObjectCollection col = new ComboBox.ObjectCollection (new ComboBox ());
col.Add ("Item1");
col.Add ("Item2");
col.Remove ("Item1");
Assert.AreEqual (1, col.Count, "#1");
col.Remove (null);
Assert.AreEqual (1, col.Count, "#2");
col.Remove ("Item3");
Assert.AreEqual (1, col.Count, "#3");
}
[Test]
public void RemoveAtTest ()
{
ComboBox.ObjectCollection col = new ComboBox.ObjectCollection (new ComboBox ());
col.Add ("Item1");
col.Add ("Item2");
col.RemoveAt (0);
Assert.AreEqual (1, col.Count, "#H1");
Assert.AreEqual (true, col.Contains ("Item2"), "#H1");
}
[Test]
public void Indexer_Null ()
{
ComboBox.ObjectCollection col = new ComboBox.ObjectCollection (new ComboBox ());
col.Add ("Item1");
try {
col [0] = null;
Assert.Fail ("#1");
} catch (ArgumentNullException ex) {
Assert.AreEqual (typeof (ArgumentNullException), ex.GetType (), "#2");
Assert.IsNull (ex.InnerException, "#3");
Assert.IsNotNull (ex.Message, "#4");
Assert.IsNotNull (ex.ParamName, "#5");
Assert.AreEqual ("value", ex.ParamName, "#6");
}
}
}
[TestFixture]
public class ComboBoxTests : TestHelper
{
ComboBox comboBox;
bool textChanged, layoutUpdated;
[SetUp]
protected override void SetUp () {
comboBox = new ComboBox ();
textChanged = false;
layoutUpdated = false;
comboBox.TextChanged += new EventHandler (textChangedEventHandler);
comboBox.Layout += new LayoutEventHandler (layoutEventHandler);
base.SetUp ();
}
private void textChangedEventHandler (object sender, EventArgs e)
{
textChanged = true;
}
private void layoutEventHandler (object sender, LayoutEventArgs e)
{
layoutUpdated = true;
}
[Test]
public void InitialPropertyValues ()
{
Assert.AreEqual (String.Empty, comboBox.Text);
Assert.AreEqual (-1, comboBox.SelectedIndex);
Assert.IsNull (comboBox.SelectedItem);
Assert.AreEqual (121, comboBox.Size.Width);
//Note: it is environment dependent
//Assert.AreEqual(20, comboBox.Size.Height);
Assert.IsFalse (textChanged);
Assert.IsFalse (layoutUpdated);
}
[Test]
public void SetNegativeOneSelectedIndex ()
{
comboBox.SelectedIndex = -1;
Assert.AreEqual (String.Empty, comboBox.Text);
Assert.IsFalse (textChanged);
}
[Test]
public void SetDifferentText ()
{
comboBox.Text = "foooooooooooooooooooooooooo";
Assert.IsTrue (textChanged);
Assert.IsFalse (layoutUpdated);
}
[Test]
public void SetSameText ()
{
comboBox.Text = String.Empty;
Assert.IsFalse (textChanged);
Assert.IsFalse (layoutUpdated);
}
[Test] // bug #79812
public void Add_Item_NonString ()
{
comboBox.Sorted = true;
comboBox.Items.Add (new Person ("B"));
comboBox.Items.Add (new Person ("A"));
comboBox.Items.Add (new Person ("C"));
Assert.AreEqual (string.Empty, comboBox.Text, "#1");
comboBox.SelectedIndex = 0;
Assert.AreEqual ("A", comboBox.Text, "#2");
comboBox.SelectedIndex = 2;
Assert.AreEqual ("C", comboBox.Text, "#3");
}
[Test]
[Category ("NotWorking")]
public void SelectedText ()
{
Form form = new Form ();
form.ShowInTaskbar = false;
form.Visible = false;
form.Controls.Add (comboBox);
comboBox.Items.Add ("Bar");
comboBox.Items.Add ("Foo");
Assert.AreEqual (-1, comboBox.SelectedIndex, "#A1");
Assert.AreEqual (string.Empty, comboBox.SelectedText, "#A2");
comboBox.SelectedIndex = 0;
Assert.AreEqual (0, comboBox.SelectedIndex, "#B1");
Assert.AreEqual (string.Empty, comboBox.SelectedText, "#B2");
form.Show ();
Assert.AreEqual (0, comboBox.SelectedIndex, "#C1");
Assert.AreEqual ("Bar", comboBox.SelectedText, "#C2");
comboBox.SelectedIndex = 1;
Assert.AreEqual (1, comboBox.SelectedIndex, "#D1");
Assert.AreEqual (string.Empty, comboBox.SelectedText, "#D2");
comboBox.SelectedText = "Ba";
Assert.AreEqual (-1, comboBox.SelectedIndex, "#E1");
Assert.AreEqual (string.Empty, comboBox.SelectedText, "#E2");
comboBox.SelectedText = "Bar";
Assert.AreEqual (-1, comboBox.SelectedIndex, "#F1");
Assert.AreEqual (string.Empty, comboBox.SelectedText, "#F2");
comboBox.SelectedText = "doesnotexist";
Assert.AreEqual (-1, comboBox.SelectedIndex, "#G1");
Assert.AreEqual (string.Empty, comboBox.SelectedText, "#G2");
comboBox.SelectedIndex = 0;
Assert.AreEqual (0, comboBox.SelectedIndex, "#H1");
Assert.AreEqual (string.Empty, comboBox.SelectedText, "#H2");
comboBox.SelectedText = "Foo";
Assert.AreEqual (-1, comboBox.SelectedIndex, "#I1");
Assert.AreEqual (string.Empty, comboBox.SelectedText, "#I2");
}
[Test]
public void SortedSelectedItem ()
{
using (Form form = new Form ()) {
ComboBox box = new ComboBox ();
box.Sorted = true;
form.Controls.Add (box);
form.ShowInTaskbar = false;
form.Show ();
box.Items.Add ("English");
box.SelectedItem = "English";
box.Items.Add ("Danish");
Assert.AreEqual ("English", box.SelectedItem, "A1");
box.Items.Add ("French");
Assert.AreEqual ("English", box.SelectedItem, "A2");
box.Items.Add ("Brazilian Portuguese");
box.Items.Add ("Arabic");
Assert.AreEqual ("English", box.SelectedItem, "A3");
}
}
public class Person
{
private readonly string _name;
public Person (string name)
{
_name = name;
}
public string Name
{
get
{
return _name;
}
}
public override string ToString ()
{
return Name;
}
}
}
}
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