public void TextBox_OnHandleCreated_InvokeWithHandle_CallsHandleCreated(EventArgs eventArgs)
{
using var control = new SubTextBox();
Assert.NotEqual(IntPtr.Zero, control.Handle);
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
callCount++;
};
// Call with handler.
control.HandleCreated += handler;
control.OnHandleCreated(eventArgs);
Assert.Equal(1, callCount);
Assert.Equal(s_preferredHeight, control.Height);
Assert.True(control.IsHandleCreated);
// Remove handler.
control.HandleCreated -= handler;
control.OnHandleCreated(eventArgs);
Assert.Equal(1, callCount);
Assert.Equal(s_preferredHeight, control.Height);
Assert.True(control.IsHandleCreated);
}
public void TextBox_PasswordChar_GetWithHandle_ReturnsExpected()
{
using var control = new SubTextBox();
Assert.NotEqual(IntPtr.Zero, control.Handle);
int invalidatedCallCount = 0;
control.Invalidated += (sender, e) => invalidatedCallCount++;
int styleChangedCallCount = 0;
control.StyleChanged += (sender, e) => styleChangedCallCount++;
int createdCallCount = 0;
control.HandleCreated += (sender, e) => createdCallCount++;
Assert.Equal('\0', control.PasswordChar);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Get again.
Assert.Equal('\0', control.PasswordChar);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
public void TextBox_GetStyle_Invoke_ReturnsExpected(ControlStyles flag, bool expected)
{
using var control = new SubTextBox();
Assert.Equal(expected, control.GetStyle(flag));
// Call again to test caching.
Assert.Equal(expected, control.GetStyle(flag));
}
public void TextBox_CanEnableIme_GetWithoutHandle_ReturnsExpected()
{
using var control = new SubTextBox();
Assert.True(control.CanEnableIme);
Assert.True(control.IsHandleCreated);
// Get again.
Assert.True(control.CanEnableIme);
Assert.True(control.IsHandleCreated);
}
public void TextBox_CreateAccessibilityInstance_Invoke_ReturnsExpected()
{
using var control = new SubTextBox();
Control.ControlAccessibleObject instance = Assert.IsType <Control.ControlAccessibleObject>(control.CreateAccessibilityInstance());
Assert.NotNull(instance);
Assert.Same(control, instance.Owner);
Assert.Equal(AccessibleRole.Text, instance.Role);
Assert.NotSame(control.CreateAccessibilityInstance(), instance);
Assert.NotSame(control.AccessibilityObject, instance);
}
public void TextBox_PasswordChar_GetWithoutHandle_ReturnsExpected()
{
using var control = new SubTextBox();
Assert.Equal('\0', control.PasswordChar);
Assert.True(control.IsHandleCreated);
// Get again.
Assert.Equal('\0', control.PasswordChar);
Assert.True(control.IsHandleCreated);
}
public void TextBox_ImeModeBase_GetWithoutHandle_ReturnsExpected()
{
using var control = new SubTextBox();
Assert.Equal(ImeMode.NoControl, control.ImeModeBase);
Assert.True(control.IsHandleCreated);
// Get again.
Assert.Equal(ImeMode.NoControl, control.ImeModeBase);
Assert.True(control.IsHandleCreated);
}
public void TextBox_PlaceholderText_When_InAccessibility_Doesnot_Raise_TextChanged()
{
var tb = new SubTextBox();
bool eventRaised = false;
EventHandler handler = (o, e) => eventRaised = true;
tb.TextChanged += handler;
tb.CreateAccessibility();
Assert.False(eventRaised);
tb.TextChanged -= handler;
}
public void TextBox_ShouldRenderPlaceHolderText(string text, bool isUserPaint, bool isIsFocused, int textCount, bool expected)
{
using var textBox = new SubTextBox()
{
PlaceholderText = text, IsUserPaint = isUserPaint, IsFocused = isIsFocused, TextCount = textCount
};
bool result = textBox.TestAccessor().Dynamic.ShouldRenderPlaceHolderText();
Assert.Equal(expected, result);
}
public void TextBox_OnHandleDestroyed_InvokeWithHandle_CallsHandleDestroyed(bool modified, EventArgs eventArgs)
{
using var control = new SubTextBox
{
Text = "Text",
SelectionStart = 1,
SelectionLength = 2,
Modified = modified
};
Assert.NotEqual(IntPtr.Zero, control.Handle);
int invalidatedCallCount = 0;
control.Invalidated += (sender, e) => invalidatedCallCount++;
int styleChangedCallCount = 0;
control.StyleChanged += (sender, e) => styleChangedCallCount++;
int createdCallCount = 0;
control.HandleCreated += (sender, e) => createdCallCount++;
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
callCount++;
};
// Call with handler.
control.HandleDestroyed += handler;
control.OnHandleDestroyed(eventArgs);
Assert.Equal(1, callCount);
Assert.Equal(s_preferredHeight, control.Height);
Assert.Equal(0, control.SelectionStart);
Assert.Equal(0, control.SelectionLength);
Assert.Equal(modified, control.Modified);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Remove handler.
control.HandleDestroyed -= handler;
control.OnHandleDestroyed(eventArgs);
Assert.Equal(1, callCount);
Assert.Equal(s_preferredHeight, control.Height);
Assert.Equal(0, control.SelectionStart);
Assert.Equal(0, control.SelectionLength);
Assert.Equal(modified, control.Modified);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
public void TextBox_CreateAccessibilityInstance_InvokeWithCustomRole_ReturnsExpected()
{
using var control = new SubTextBox
{
AccessibleRole = AccessibleRole.HelpBalloon
};
Control.ControlAccessibleObject instance = Assert.IsType <TextBoxBase.TextBoxBaseAccessibleObject>(control.CreateAccessibilityInstance());
Assert.NotNull(instance);
Assert.Same(control, instance.Owner);
Assert.Equal(AccessibleRole.HelpBalloon, instance.Role);
Assert.NotSame(control.CreateAccessibilityInstance(), instance);
Assert.NotSame(control.AccessibilityObject, instance);
Assert.False(control.IsHandleCreated);
}
public void TextBox_CreateAccessibilityInstance_Invoke_ReturnsExpected(bool createControl, AccessibleRole expectedAccessibleRole)
{
using var control = new SubTextBox();
if (createControl)
{
control.CreateControl();
}
Assert.Equal(createControl, control.IsHandleCreated);
Control.ControlAccessibleObject instance = Assert.IsType <Control.ControlAccessibleObject>(control.CreateAccessibilityInstance());
Assert.Equal(createControl, control.IsHandleCreated);
Assert.NotNull(instance);
Assert.Same(control, instance.Owner);
Assert.Equal(expectedAccessibleRole, instance.Role);
Assert.NotSame(control.CreateAccessibilityInstance(), instance);
Assert.NotSame(control.AccessibilityObject, instance);
}
public void TextBox_CreateParams_GetDefault_ReturnsExpected()
{
using var control = new SubTextBox();
CreateParams createParams = control.CreateParams;
Assert.Null(createParams.Caption);
Assert.Equal("Edit", createParams.ClassName);
Assert.Equal(0x8, createParams.ClassStyle);
Assert.Equal(0x200, createParams.ExStyle);
Assert.Equal(control.PreferredHeight, createParams.Height);
Assert.Equal(IntPtr.Zero, createParams.Parent);
Assert.Null(createParams.Param);
Assert.Equal(0x560100C0, createParams.Style);
Assert.Equal(100, createParams.Width);
Assert.Equal(0, createParams.X);
Assert.Equal(0, createParams.Y);
Assert.Same(createParams, control.CreateParams);
Assert.False(control.IsHandleCreated);
}
public void TextBox_OnHandleDestroyed_Invoke_CallsHandleDestroyed(EventArgs eventArgs)
{
using var control = new SubTextBox();
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
callCount++;
};
// Call with handler.
control.HandleDestroyed += handler;
control.OnHandleDestroyed(eventArgs);
Assert.Equal(1, callCount);
Assert.False(control.IsHandleCreated);
// Remove handler.
control.HandleDestroyed -= handler;
control.OnHandleDestroyed(eventArgs);
Assert.Equal(1, callCount);
Assert.False(control.IsHandleCreated);
}
public void TextBox_GetAutoSizeMode_Invoke_ReturnsExpected()
{
using var control = new SubTextBox();
Assert.Equal(AutoSizeMode.GrowOnly, control.GetAutoSizeMode());
}
public void TextBox_PlaceholderText_Overriden()
{
var tb = new SubTextBox();
Assert.NotNull(tb);
}
public static IEnumerable <object[]> TextBox_ShouldRenderPlaceHolderText_TestData()
{
// Test PlaceholderText
var tb = new SubTextBox()
{
PlaceholderText = "", IsUserPaint = false, IsFocused = false, TextCount = 0
};
var msg = new Message()
{
Msg = WindowMessages.WM_PAINT
};
yield return(new object[] { tb, msg, false });
// Test PlaceholderText
tb = new SubTextBox()
{
PlaceholderText = null, IsUserPaint = false, IsFocused = false, TextCount = 0
};
msg = new Message()
{
Msg = WindowMessages.WM_PAINT
};
yield return(new object[] { tb, msg, false });
// Test Message
msg.Msg = WindowMessages.WM_USER;
tb = new SubTextBox()
{
PlaceholderText = "Text", IsUserPaint = false, IsFocused = false, TextCount = 0
};
yield return(new object[] { tb, msg, false });
// Test UserPaint
msg.Msg = WindowMessages.WM_PAINT;
tb = new SubTextBox()
{
PlaceholderText = "Text", IsUserPaint = true, IsFocused = false, TextCount = 0
};
yield return(new object[] { tb, msg, false });
// Test Focused
msg.Msg = WindowMessages.WM_PAINT;
tb = new SubTextBox()
{
PlaceholderText = "Text", IsUserPaint = false, IsFocused = true, TextCount = 0
};
yield return(new object[] { tb, msg, false });
// Test TextLength
msg.Msg = WindowMessages.WM_PAINT;
tb = new SubTextBox()
{
PlaceholderText = "Text", IsUserPaint = false, IsFocused = false, TextCount = 1
};
yield return(new object[] { tb, msg, false });
// Test WM_PAINT
tb = new SubTextBox()
{
PlaceholderText = "Text", IsUserPaint = false, IsFocused = false, TextCount = 0
};
msg.Msg = WindowMessages.WM_PAINT;
yield return(new object[] { tb, msg, true });
// Test WM_KILLFOCUS
tb = new SubTextBox()
{
PlaceholderText = "Text", IsUserPaint = false, IsFocused = false, TextCount = 0
};
msg.Msg = WindowMessages.WM_KILLFOCUS;
yield return(new object[] { tb, msg, true });
}
public void TextBox_Ctor_Default()
{
using var control = new SubTextBox();
Assert.False(control.AcceptsReturn);
Assert.False(control.AcceptsTab);
Assert.False(control.AllowDrop);
Assert.Equal(AnchorStyles.Top | AnchorStyles.Left, control.Anchor);
Assert.Empty(control.AutoCompleteCustomSource);
Assert.Same(control.AutoCompleteCustomSource, control.AutoCompleteCustomSource);
Assert.Equal(AutoCompleteMode.None, control.AutoCompleteMode);
Assert.Equal(AutoCompleteSource.None, control.AutoCompleteSource);
Assert.True(control.AutoSize);
Assert.Equal(SystemColors.Window, control.BackColor);
Assert.Null(control.BackgroundImage);
Assert.Equal(ImageLayout.Tile, control.BackgroundImageLayout);
Assert.Null(control.BindingContext);
Assert.Equal(BorderStyle.Fixed3D, control.BorderStyle);
Assert.Equal(control.PreferredHeight, control.Bottom);
Assert.Equal(new Rectangle(0, 0, 100, control.PreferredHeight), control.Bounds);
Assert.True(control.CanRaiseEvents);
Assert.False(control.CanUndo);
Assert.True(control.CausesValidation);
Assert.Equal(CharacterCasing.Normal, control.CharacterCasing);
Assert.Equal(new Size(96, control.PreferredHeight - 4), control.ClientSize);
Assert.Equal(new Rectangle(0, 0, 96, control.PreferredHeight - 4), control.ClientRectangle);
Assert.Null(control.Container);
Assert.Null(control.ContextMenuStrip);
Assert.Empty(control.Controls);
Assert.Same(control.Controls, control.Controls);
Assert.False(control.Created);
Assert.Same(Cursors.IBeam, control.Cursor);
Assert.Same(Cursors.IBeam, control.DefaultCursor);
Assert.Equal(ImeMode.Inherit, control.DefaultImeMode);
Assert.Equal(new Padding(3), control.DefaultMargin);
Assert.Equal(Size.Empty, control.DefaultMaximumSize);
Assert.Equal(Size.Empty, control.DefaultMinimumSize);
Assert.Equal(Padding.Empty, control.DefaultPadding);
Assert.Equal(new Size(100, control.PreferredHeight), control.DefaultSize);
Assert.False(control.DesignMode);
Assert.Equal(new Rectangle(0, 0, 96, control.PreferredHeight - 4), control.DisplayRectangle);
Assert.Equal(DockStyle.None, control.Dock);
Assert.False(control.DoubleBuffered);
Assert.True(control.Enabled);
Assert.NotNull(control.Events);
Assert.Same(control.Events, control.Events);
Assert.Equal(Control.DefaultFont, control.Font);
Assert.Equal(control.Font.Height, control.FontHeight);
Assert.Equal(SystemColors.WindowText, control.ForeColor);
Assert.False(control.HasChildren);
Assert.Equal(control.PreferredHeight, control.Height);
Assert.True(control.HideSelection);
Assert.NotNull(control.LayoutEngine);
Assert.Same(control.LayoutEngine, control.LayoutEngine);
Assert.Equal(0, control.Left);
Assert.Empty(control.Lines);
Assert.Equal(Point.Empty, control.Location);
Assert.Equal(new Padding(3), control.Margin);
Assert.Equal(Size.Empty, control.MaximumSize);
Assert.Equal(32767, control.MaxLength);
Assert.Equal(Size.Empty, control.MinimumSize);
Assert.False(control.Modified);
Assert.False(control.Multiline);
Assert.Equal(Padding.Empty, control.Padding);
Assert.Null(control.Parent);
Assert.Equal("Microsoft\u00AE .NET", control.ProductName);
Assert.Equal(4, control.PreferredSize.Width);
Assert.True(control.PreferredSize.Height > 0);
Assert.True(control.PreferredHeight > 0);
Assert.False(control.ReadOnly);
Assert.False(control.RecreatingHandle);
Assert.Null(control.Region);
Assert.False(control.ResizeRedraw);
Assert.Equal(100, control.Right);
Assert.Equal(RightToLeft.No, control.RightToLeft);
Assert.Equal(ScrollBars.None, control.ScrollBars);
Assert.Empty(control.SelectedText);
Assert.Equal(0, control.SelectionLength);
Assert.Equal(0, control.SelectionStart);
Assert.True(control.ShowFocusCues);
Assert.True(control.ShowKeyboardCues);
Assert.Null(control.Site);
Assert.Equal(new Size(100, control.PreferredHeight), control.Size);
Assert.Equal(0, control.TabIndex);
Assert.True(control.TabStop);
Assert.Empty(control.Text);
Assert.Equal(HorizontalAlignment.Left, control.TextAlign);
Assert.Equal(0, control.TextLength);
Assert.Equal(0, control.Top);
Assert.Null(control.TopLevelControl);
Assert.False(control.UseSystemPasswordChar);
Assert.True(control.Visible);
Assert.Equal(100, control.Width);
Assert.True(control.WordWrap);
Assert.False(control.IsHandleCreated);
}
public void TextBox_GetTopLevel_Invoke_ReturnsExpected()
{
using var control = new SubTextBox();
Assert.False(control.GetTopLevel());
}