Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

Add unit test for checkedListBox #11265

Merged
merged 5 commits into from
Apr 30, 2024
Merged

Add unit test for checkedListBox #11265

Changes from all commits
Commits
Show all changes
5 commits
Select commit Hold shift + click to select a range
60d8d09
Add unit test for checkedListBox
Olina-Zhang Apr 24, 2024
08e2d4c
Add test for ValueMemberChanged event
Olina-Zhang Apr 24, 2024
7e89a4c
handle review feedback
Olina-Zhang Apr 29, 2024
dbe0c21
Update
Olina-Zhang Apr 29, 2024
fcdc7a7
Updated
Olina-Zhang Apr 30, 2024
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
263 changes: 263 additions & 0 deletions src/System.Windows.Forms/tests/UnitTests/CheckedListBoxTests.cs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,9 @@ public void CheckedListBox_Constructor()
using CheckedListBox box = new();

Assert.NotNull(box);

// Check default values
box.UseCompatibleTextRendering.Should().BeTrue();
}

[WinFormsTheory]
Expand Down Expand Up @@ -71,6 +74,20 @@ public void CheckedListBox_DrawModeReturnsNormalOnly()
Assert.Equal(DrawMode.Normal, result);
}

[WinFormsFact]
public void CheckedListBox_DrawMode_GetSet_ReturnsExpected()
{
using CheckedListBox box = new();

box.DrawMode.Should().Be(DrawMode.Normal);

box.DrawMode = DrawMode.OwnerDrawFixed;
box.DrawMode.Should().Be(DrawMode.Normal);

box.DrawMode = DrawMode.OwnerDrawVariable;
box.DrawMode.Should().Be(DrawMode.Normal);
}

[WinFormsTheory]
[InlineData(SelectionMode.None)]
[InlineData(SelectionMode.One)]
Expand Down Expand Up @@ -114,6 +131,20 @@ public void CheckedListBox_ThreeDCheckBoxes(bool expected)
Assert.Equal(expected, box.ThreeDCheckBoxes);
}

[WinFormsTheory]
[BoolData]
public void CheckedListBox_ThreeDCheckBoxes_SetWithItems_ReturnsExpected(bool expected)
{
using CheckedListBox box = new()
{
ThreeDCheckBoxes = expected
};

box.Items.Add("item1");

box.ThreeDCheckBoxes.Should().Be(expected);
Olina-Zhang marked this conversation as resolved.
Show resolved Hide resolved
}

[WinFormsTheory]
[StringData]
public void CheckedListBox_ValueMember(string expected)
Expand Down Expand Up @@ -594,10 +625,242 @@ public void CheckedListBox_Remove_CheckedItems(bool createControl)
}
}

[WinFormsFact]
public void CheckedListBox_DataSource_GetSet_ReturnsExpected()
Olina-Zhang marked this conversation as resolved.
Show resolved Hide resolved
{
using CheckedListBox checkedListBox = new();
List<string> dataSource1 = ["item1", "item2", "item3"];
List<string> dataSource2 = ["item4", "item5", "item6"];

int callCount = 0;
checkedListBox.DataSourceChanged += (sender, e) => callCount++;

// Test initial DataSource set
checkedListBox.DataSource = dataSource1;
checkedListBox.DataSource.Should().BeEquivalentTo(dataSource1);
callCount.Should().Be(1);

// Test changing DataSource
checkedListBox.DataSource = dataSource2;
checkedListBox.DataSource.Should().BeEquivalentTo(dataSource2);
callCount.Should().Be(2);

// Test setting DataSource to null
checkedListBox.DataSource = null;
checkedListBox.DataSource.Should().BeNull();
callCount.Should().Be(3);

// Test setting DataSource to DataSource
checkedListBox.DataSource = dataSource2;
checkedListBox.DataSource.Should().BeEquivalentTo(dataSource2);
callCount.Should().Be(4);
}

[WinFormsFact]
public void CheckedListBox_ItemHeight_Get_ReturnsExpected()
{
using SubCheckedListBox checkedListBox = new();
int expectedHeight = checkedListBox.Font.Height + checkedListBox._listItemBordersHeight;

checkedListBox.ItemHeight.Should().Be(expectedHeight);
}

[WinFormsFact]
public void CheckedListBox_ItemHeight_Set_DoesNotChangeValue()
{
using CheckedListBox checkedListBox = new();
int originalHeight = checkedListBox.ItemHeight;

checkedListBox.ItemHeight = 50;
checkedListBox.ItemHeight.Should().Be(originalHeight);

checkedListBox.ItemHeight = -1;
checkedListBox.ItemHeight.Should().Be(originalHeight);
}

[WinFormsTheory]
[BoolData]
public void CheckedListBox_UseCompatibleTextRendering_GetSet_ReturnsExpected(bool value)
{
using CheckedListBox checkedListBox = new();

checkedListBox.UseCompatibleTextRendering = value;
checkedListBox.UseCompatibleTextRendering.Should().Be(value);
checkedListBox.UseCompatibleTextRenderingInternal.Should().Be(value);
}

[WinFormsFact]
public void CheckedListBox_DataSourceChanged_AddRemove_Success()
{
using SubCheckedListBox checkedListBox = new();
int callCount = 0;
EventHandler handler = (sender, e) =>
{
callCount++;
sender.Should().Be(checkedListBox);
e.Should().Be(EventArgs.Empty);
};

checkedListBox.DataSourceChanged += handler;
checkedListBox.OnDataSourceChanged(EventArgs.Empty);
callCount.Should().Be(1);

checkedListBox.DataSourceChanged -= handler;
checkedListBox.OnDataSourceChanged(EventArgs.Empty);
Olina-Zhang marked this conversation as resolved.
Show resolved Hide resolved
callCount.Should().Be(1);
}

[WinFormsFact]
public void CheckedListBox_DisplayMemberChanged_AddRemove_Success()
{
using SubCheckedListBox checkedListBox = new();
int callCount = 0;
EventHandler handler = (sender, e) =>
{
callCount++;
sender.Should().Be(checkedListBox);
e.Should().Be(EventArgs.Empty);
};

checkedListBox.DisplayMemberChanged += handler;
checkedListBox.OnDisplayMemberChanged(EventArgs.Empty);
callCount.Should().Be(1);

checkedListBox.DisplayMemberChanged -= handler;
checkedListBox.OnDisplayMemberChanged(EventArgs.Empty);
callCount.Should().Be(1);
}

[WinFormsFact]
public void CheckedListBox_ItemCheck_AddRemove_Success()
{
using SubCheckedListBox checkedListBox = new();
int callCount = 0;
ItemCheckEventHandler handler = (sender, e) =>
{
callCount++;
sender.Should().Be(checkedListBox);
e.Should().NotBeNull();
};

ItemCheckEventArgs eventArgs = new(0, CheckState.Checked, CheckState.Unchecked);

checkedListBox.ItemCheck += handler;
checkedListBox.OnItemCheck(eventArgs);
callCount.Should().Be(1);

checkedListBox.ItemCheck -= handler;
checkedListBox.OnItemCheck(eventArgs);
callCount.Should().Be(1);
}

[WinFormsFact]
public void CheckedListBox_Click_AddRemove_Success()
{
using SubCheckedListBox checkedListBox = new();
int callCount = 0;
EventHandler handler = (sender, e) =>
{
callCount++;
sender.Should().Be(checkedListBox);
e.Should().Be(EventArgs.Empty);
};

checkedListBox.Click += handler;
checkedListBox.OnClick(EventArgs.Empty);
callCount.Should().Be(1);

checkedListBox.Click -= handler;
checkedListBox.OnClick(EventArgs.Empty);
callCount.Should().Be(1);
}

[WinFormsFact]
public void CheckedListBox_MouseClick_AddRemove_Success()
{
using SubCheckedListBox checkedListBox = new();
int callCount = 0;
MouseEventHandler handler = (sender, e) =>
{
callCount++;
sender.Should().Be(checkedListBox);
e.Should().NotBeNull();
};

MouseEventArgs eventArgs = new(MouseButtons.Left, 1, 0, 0, 0);

checkedListBox.MouseClick += handler;
checkedListBox.OnMouseClick(eventArgs);
callCount.Should().Be(1);

checkedListBox.MouseClick -= handler;
checkedListBox.OnMouseClick(eventArgs);
callCount.Should().Be(1);
}

[WinFormsFact]
public void CheckedListBox_MeasureItem_AddRemove_Success()
{
using SubCheckedListBox checkedListBox = new();
int callCount = 0;
MeasureItemEventHandler handler = (sender, e) =>
{
callCount++;
sender.Should().Be(checkedListBox);
e.Should().NotBeNull();
};

using Bitmap image = new(10, 10);
MeasureItemEventArgs eventArgs = new(Graphics.FromImage(image), 1);

checkedListBox.MeasureItem += handler;
checkedListBox.OnMeasureItem(eventArgs);
callCount.Should().Be(1);

checkedListBox.MeasureItem -= handler;
checkedListBox.OnMeasureItem(eventArgs);
callCount.Should().Be(1);
}

[WinFormsFact]
public void CheckedListBox_ValueMemberChanged_AddRemove_Success()
{
using CheckedListBox checkedListBox = new();
int callCount = 0;
EventHandler handler = (sender, e) =>
{
callCount++;
sender.Should().Be(checkedListBox);
e.Should().Be(EventArgs.Empty);
};

checkedListBox.ValueMemberChanged += handler;
checkedListBox.ValueMember = "Value";
callCount.Should().Be(1);

checkedListBox.ValueMemberChanged -= handler;
checkedListBox.ValueMember = "NewValue";
callCount.Should().Be(1);
}

private class SubCheckedListBox : CheckedListBox
{
public new int _listItemBordersHeight => base._listItemBordersHeight;

public new void RefreshItems() => base.RefreshItems();

public new void OnDrawItem(DrawItemEventArgs e) => base.OnDrawItem(e);

public new void OnDataSourceChanged(EventArgs e) => base.OnDataSourceChanged(e);

public new void OnDisplayMemberChanged(EventArgs e) => base.OnDisplayMemberChanged(e);

public new void OnItemCheck(ItemCheckEventArgs e) => base.OnItemCheck(e);

public new void OnClick(EventArgs e) => base.OnClick(e);

public new void OnMouseClick(MouseEventArgs e) => base.OnMouseClick(e);

public new void OnMeasureItem(MeasureItemEventArgs e) => base.OnMeasureItem(e);
}
}