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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using Windows.Win32.System.Variant;
using Windows.Win32.UI.Accessibility;
using static System.Windows.Forms.DateTimePicker;
namespace System.Windows.Forms.Tests.AccessibleObjects;
public class DateTimePicker_DateTimePickerAccessibleObjectTests
{
[WinFormsFact]
public void DateTimePickerAccessibleObject_Ctor_Default()
{
using DateTimePicker dateTimePicker = new();
DateTimePickerAccessibleObject accessibleObject = new(dateTimePicker);
Assert.Equal(dateTimePicker, accessibleObject.Owner);
Assert.False(dateTimePicker.IsHandleCreated);
}
[WinFormsFact]
public void DateTimePickerAccessibleObject_ControlType_IsComboBox_IfAccessibleRoleIsDefault()
{
using DateTimePicker dateTimePicker = new();
// AccessibleRole is not set = Default
VARIANT actual = dateTimePicker.AccessibilityObject.GetPropertyValue(UIA_PROPERTY_ID.UIA_ControlTypePropertyId);
Assert.Equal(UIA_CONTROLTYPE_ID.UIA_ComboBoxControlTypeId, (UIA_CONTROLTYPE_ID)(int)actual);
Assert.False(dateTimePicker.IsHandleCreated);
}
[WinFormsFact]
public void DateTimePickerAccessibleObject_Role_IsComboBox_ByDefault()
{
using DateTimePicker dateTimePicker = new();
// AccessibleRole is not set = Default
AccessibleRole actual = dateTimePicker.AccessibilityObject.Role;
Assert.Equal(AccessibleRole.ComboBox, actual);
Assert.False(dateTimePicker.IsHandleCreated);
}
[WinFormsFact]
public void DateTimePickerAccessibleObject_LocalizedControlType_ReturnsExpected_IfAccessibleRoleIsDefault()
{
using DateTimePicker dateTimePicker = new();
// AccessibleRole is not set = Default
string actual = ((BSTR)dateTimePicker.AccessibilityObject.GetPropertyValue(UIA_PROPERTY_ID.UIA_LocalizedControlTypePropertyId)).ToStringAndFree();
string expected = SR.DateTimePickerLocalizedControlType;
Assert.Equal(expected, actual);
Assert.False(dateTimePicker.IsHandleCreated);
}
public static IEnumerable<object[]> DateTimePickerAccessibleObject_GetPropertyValue_ControlType_IsExpected_ForCustomRole_TestData()
{
Array roles = Enum.GetValues(typeof(AccessibleRole));
foreach (AccessibleRole role in roles)
{
if (role == AccessibleRole.Default)
{
continue; // The test checks custom roles
}
yield return new object[] { role };
}
}
[WinFormsTheory]
[MemberData(nameof(DateTimePickerAccessibleObject_GetPropertyValue_ControlType_IsExpected_ForCustomRole_TestData))]
public void DateTimePickerAccessibleObject_GetPropertyValue_ControlType_IsExpected_ForCustomRole(AccessibleRole role)
{
using DateTimePicker dateTimePicker = new();
dateTimePicker.AccessibleRole = role;
UIA_CONTROLTYPE_ID actual = (UIA_CONTROLTYPE_ID)(int)dateTimePicker.AccessibilityObject.GetPropertyValue(UIA_PROPERTY_ID.UIA_ControlTypePropertyId);
UIA_CONTROLTYPE_ID expected = AccessibleRoleControlTypeMap.GetControlType(role);
Assert.Equal(expected, actual);
Assert.False(dateTimePicker.IsHandleCreated);
}
[WinFormsTheory]
[MemberData(nameof(DateTimePickerAccessibleObject_GetPropertyValue_ControlType_IsExpected_ForCustomRole_TestData))]
public void DateTimePickerAccessibleObject_GetPropertyValue_LocalizedControlType_IsNull_ForCustomRole(AccessibleRole role)
{
using DateTimePicker dateTimePicker = new();
dateTimePicker.AccessibleRole = role;
VARIANT actual = dateTimePicker.AccessibilityObject.GetPropertyValue(UIA_PROPERTY_ID.UIA_LocalizedControlTypePropertyId);
Assert.Equal(VARIANT.Empty, actual);
Assert.False(dateTimePicker.IsHandleCreated);
}
[WinFormsFact]
public void DateTimePickerAccessibleObject_GetPropertyValue_ReturnsExpected()
{
using DateTimePicker dateTimePicker = new();
DateTime dt = new(2000, 1, 1);
dateTimePicker.Value = dt;
AccessibleObject accessibleObject = dateTimePicker.AccessibilityObject;
Assert.True((bool)accessibleObject.GetPropertyValue(UIA_PROPERTY_ID.UIA_IsExpandCollapsePatternAvailablePropertyId));
Assert.False(dateTimePicker.IsHandleCreated);
dateTimePicker.CreateControl();
Assert.Equal(dt.ToLongDateString(), ((BSTR)accessibleObject.GetPropertyValue(UIA_PROPERTY_ID.UIA_ValueValuePropertyId)).ToStringAndFree());
}
[WinFormsTheory]
[InlineData((int)ExpandCollapseState.ExpandCollapseState_Expanded)]
[InlineData((int)ExpandCollapseState.ExpandCollapseState_Collapsed)]
public void DateTimePickerAccessibleObject_ExpandCollapseState_ReturnsExpected(int expandCollapseState)
{
using DateTimePicker dateTimePicker = new();
var expected = (ExpandCollapseState)expandCollapseState;
var accessibleObject = (DateTimePickerAccessibleObject)dateTimePicker.AccessibilityObject;
dateTimePicker.TestAccessor().Dynamic._expandCollapseState = expected;
ExpandCollapseState actual = accessibleObject.ExpandCollapseState;
Assert.Equal(expected, actual);
Assert.False(dateTimePicker.IsHandleCreated);
}
[WinFormsFact]
public void DateTimePickerAccessibleObject_Expand_IfHandleIsNotCreated_NothingChanges()
{
using DateTimePicker dateTimePicker = new();
var accessibleObject = (DateTimePickerAccessibleObject)dateTimePicker.AccessibilityObject;
// ExpandCollapseState is Collapsed before some actions
Assert.Equal(ExpandCollapseState.ExpandCollapseState_Collapsed, accessibleObject.ExpandCollapseState);
accessibleObject.Expand();
Assert.Equal(ExpandCollapseState.ExpandCollapseState_Collapsed, accessibleObject.ExpandCollapseState);
Assert.False(dateTimePicker.IsHandleCreated);
}
[WinFormsFact]
public void DateTimePickerAccessibleObject_Collapse_IfHandleIsNotCreated_NothingChanges()
{
using DateTimePicker dateTimePicker = new();
var accessibleObject = (DateTimePickerAccessibleObject)dateTimePicker.AccessibilityObject;
// ExpandCollapseState is Collapsed before some actions
Assert.Equal(ExpandCollapseState.ExpandCollapseState_Collapsed, accessibleObject.ExpandCollapseState);
dateTimePicker.TestAccessor().Dynamic._expandCollapseState = ExpandCollapseState.ExpandCollapseState_Expanded;
Assert.Equal(ExpandCollapseState.ExpandCollapseState_Expanded, accessibleObject.ExpandCollapseState);
accessibleObject.Collapse();
Assert.Equal(ExpandCollapseState.ExpandCollapseState_Expanded, accessibleObject.ExpandCollapseState);
Assert.False(dateTimePicker.IsHandleCreated);
}
[WinFormsFact]
public void DateTimePickerAccessibleObject_Expand_IfControlAlreadyIsExpanded_NothingChanges()
{
using DateTimePicker dateTimePicker = new();
dateTimePicker.CreateControl();
var accessibleObject = (DateTimePickerAccessibleObject)dateTimePicker.AccessibilityObject;
// ExpandCollapseState is Collapsed before some actions
Assert.Equal(ExpandCollapseState.ExpandCollapseState_Collapsed, accessibleObject.ExpandCollapseState);
dateTimePicker.TestAccessor().Dynamic._expandCollapseState = ExpandCollapseState.ExpandCollapseState_Expanded;
Assert.Equal(ExpandCollapseState.ExpandCollapseState_Expanded, accessibleObject.ExpandCollapseState);
accessibleObject.Expand();
Assert.Equal(ExpandCollapseState.ExpandCollapseState_Expanded, accessibleObject.ExpandCollapseState);
Assert.True(dateTimePicker.IsHandleCreated);
}
[WinFormsFact]
public void DateTimePickerAccessibleObject_Collapse_IfControlAlreadyIsCollapsed_NothingChanges()
{
using DateTimePicker dateTimePicker = new();
dateTimePicker.CreateControl();
var accessibleObject = (DateTimePickerAccessibleObject)dateTimePicker.AccessibilityObject;
// ExpandCollapseState is Collapsed before some actions
Assert.Equal(ExpandCollapseState.ExpandCollapseState_Collapsed, accessibleObject.ExpandCollapseState);
accessibleObject.Collapse();
Assert.Equal(ExpandCollapseState.ExpandCollapseState_Collapsed, accessibleObject.ExpandCollapseState);
Assert.True(dateTimePicker.IsHandleCreated);
}
[WinFormsFact]
public void DateTimePickerAccessibleObject_Expand_IfHandleIsCreated_ReturnsExpected()
{
using DateTimePicker dateTimePicker = new();
dateTimePicker.CreateControl();
var accessibleObject = (DateTimePickerAccessibleObject)dateTimePicker.AccessibilityObject;
// ExpandCollapseState is Collapsed before some actions
Assert.Equal(ExpandCollapseState.ExpandCollapseState_Collapsed, accessibleObject.ExpandCollapseState);
accessibleObject.Expand();
Assert.Equal(ExpandCollapseState.ExpandCollapseState_Expanded, accessibleObject.ExpandCollapseState);
Assert.True(dateTimePicker.IsHandleCreated);
}
[WinFormsFact]
public void DateTimePickerAccessibleObject_Collapse_IfHandleIsCreated_ReturnsExpected()
{
using DateTimePicker dateTimePicker = new();
dateTimePicker.CreateControl();
var accessibleObject = (DateTimePickerAccessibleObject)dateTimePicker.AccessibilityObject;
Assert.Equal(ExpandCollapseState.ExpandCollapseState_Collapsed, accessibleObject.ExpandCollapseState);
// If don't call Expand() on this control and just change state value instead
// then call Collapse() does't work correctly due to the control is not expanded factually
accessibleObject.Expand();
Assert.Equal(ExpandCollapseState.ExpandCollapseState_Expanded, accessibleObject.ExpandCollapseState);
accessibleObject.Collapse();
Assert.Equal(ExpandCollapseState.ExpandCollapseState_Collapsed, accessibleObject.ExpandCollapseState);
Assert.True(dateTimePicker.IsHandleCreated);
}
[WinFormsTheory]
[InlineData((int)UIA_PATTERN_ID.UIA_ExpandCollapsePatternId)]
[InlineData((int)UIA_PATTERN_ID.UIA_ValuePatternId)]
[InlineData((int)UIA_PATTERN_ID.UIA_LegacyIAccessiblePatternId)]
public void DateTimePickerAccessibleObject_IsPatternSupported_ReturnsExpected_IfDoNotShowCheckbox(int patternId)
{
using DateTimePicker dateTimePicker = new() { ShowCheckBox = false };
AccessibleObject accessibleObject = dateTimePicker.AccessibilityObject;
Assert.True(accessibleObject.IsPatternSupported((UIA_PATTERN_ID)patternId));
Assert.False(dateTimePicker.IsHandleCreated);
}
[WinFormsTheory]
[InlineData((int)UIA_PATTERN_ID.UIA_TogglePatternId)]
[InlineData((int)UIA_PATTERN_ID.UIA_ExpandCollapsePatternId)]
[InlineData((int)UIA_PATTERN_ID.UIA_ValuePatternId)]
[InlineData((int)UIA_PATTERN_ID.UIA_LegacyIAccessiblePatternId)]
public void DateTimePickerAccessibleObject_IsPatternSupported_ReturnsExpected_IfShowCheckbox(int patternId)
{
using DateTimePicker dateTimePicker = new() { ShowCheckBox = true };
AccessibleObject accessibleObject = dateTimePicker.AccessibilityObject;
Assert.True(accessibleObject.IsPatternSupported((UIA_PATTERN_ID)patternId));
Assert.False(dateTimePicker.IsHandleCreated);
}
[WinFormsFact]
public void DateTimePickerAccessibleObject_Name_ReturnsEmptyString_IfControlAccessibleNameIsNotNull()
{
using DateTimePicker dateTimePicker = new();
Assert.Equal(string.Empty, dateTimePicker.AccessibilityObject.Name);
Assert.False(dateTimePicker.IsHandleCreated);
}
[WinFormsFact]
public void DateTimePickerAccessibleObject_Name_ReturnsExpected_IfControlAccessibleNameIsNotNull()
{
string testAccessibleName = "TestDateTimePicker";
using DateTimePicker dateTimePicker = new() { AccessibleName = testAccessibleName };
Assert.Equal(testAccessibleName, dateTimePicker.AccessibilityObject.Name);
Assert.False(dateTimePicker.IsHandleCreated);
}
public static IEnumerable<object[]> DateTimePickerAccessibleObject_DefaultAction_ReturnsExpected_TestData()
{
// Expanded dtp control has "Collapse" as a default action, else "Expand".
yield return new object[] { true, SR.AccessibleActionCollapse };
yield return new object[] { false, SR.AccessibleActionExpand };
}
[WinFormsTheory]
[MemberData(nameof(DateTimePickerAccessibleObject_DefaultAction_ReturnsExpected_TestData))]
public void DateTimePickerAccessibleObject_DefaultAction_ReturnsExpected(bool isExpanded, string expected)
{
using DateTimePicker dateTimePicker = new();
dateTimePicker.CreateControl();
AccessibleObject accessibleObject = dateTimePicker.AccessibilityObject;
if (isExpanded)
{
accessibleObject.Expand();
}
Assert.Equal(expected, accessibleObject.DefaultAction);
Assert.True(dateTimePicker.IsHandleCreated);
}
[WinFormsTheory]
[InlineData(true, (int)ExpandCollapseState.ExpandCollapseState_Collapsed)]
[InlineData(false, (int)ExpandCollapseState.ExpandCollapseState_Expanded)]
public void DateTimePickerAccessibleObject_DoDefaultAction_IfHandleIsCreated_ReturnsExpected(bool isExpanded, int expected)
{
using DateTimePicker dateTimePicker = new();
dateTimePicker.CreateControl();
AccessibleObject accessibleObject = dateTimePicker.AccessibilityObject;
Assert.Equal(ExpandCollapseState.ExpandCollapseState_Collapsed, accessibleObject.ExpandCollapseState);
if (isExpanded)
{
accessibleObject.Expand();
Assert.Equal(ExpandCollapseState.ExpandCollapseState_Expanded, accessibleObject.ExpandCollapseState);
}
accessibleObject.DoDefaultAction();
Assert.Equal((ExpandCollapseState)expected, accessibleObject.ExpandCollapseState);
Assert.True(dateTimePicker.IsHandleCreated);
}
// Unit Test for https://github.com/dotnet/winforms/issues/9281.
[WinFormsFact]
public void DateTimePickerAccessibleObject_KeyboardShortcut_ReturnsExpected()
{
using Form form = new();
using DateTimePicker dateTimePicker1 = new();
using Label label1 = new();
using DateTimePicker dateTimePicker2 = new();
dateTimePicker1.CustomFormat = "'Date&Time' hh:mm dd/MM";
dateTimePicker1.Format = DateTimePickerFormat.Custom;
dateTimePicker1.TabIndex = 0;
label1.Text = "&Date";
label1.TabIndex = 1;
dateTimePicker2.TabIndex = 2;
form.Controls.Add(dateTimePicker2);
form.Controls.Add(label1);
form.Controls.Add(dateTimePicker1);
string keyboardShortcut = dateTimePicker1.AccessibilityObject.KeyboardShortcut;
Assert.Null(keyboardShortcut);
keyboardShortcut = dateTimePicker2.AccessibilityObject.KeyboardShortcut;
Assert.Equal("Alt+d", keyboardShortcut);
}
}
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