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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.
#nullable disable
using System.Drawing;
using System.Windows.Forms.TestUtilities;
using Windows.Win32.UI.Accessibility;
using static System.Windows.Forms.ScrollBar;
namespace System.Windows.Forms.Tests.AccessibleObjects;
public class VScrollBar_ScrollBarFirstLineButtonAccessibleObjectTests
{
[WinFormsTheory]
[CommonMemberData(typeof(ScrollBarTestHelper), nameof(ScrollBarTestHelper.ScrollBarAccessibleObject_TestData))]
public void VScrollBarFirstLineButtonAccessibleObject_GetChild_ReturnNull(bool createControl, RightToLeft rightToLeft, int minimum, int maximum, int value)
{
using VScrollBar scrollBar = GetVScrollBar(createControl, rightToLeft, minimum, maximum, value);
ScrollBarFirstLineButtonAccessibleObject accessibleObject = GetFirstLineButton(scrollBar);
Assert.Null(accessibleObject.GetChild(-1));
Assert.Null(accessibleObject.GetChild(0));
Assert.Null(accessibleObject.GetChild(1));
Assert.Equal(createControl, scrollBar.IsHandleCreated);
}
[WinFormsTheory]
[CommonMemberData(typeof(ScrollBarTestHelper), nameof(ScrollBarTestHelper.ScrollBarAccessibleObject_TestData))]
public void VScrollBarFirstLineButtonAccessibleObject_GetChildCount_ReturnMinusOne(bool createControl, RightToLeft rightToLeft, int minimum, int maximum, int value)
{
using VScrollBar scrollBar = GetVScrollBar(createControl, rightToLeft, minimum, maximum, value);
ScrollBarFirstLineButtonAccessibleObject accessibleObject = GetFirstLineButton(scrollBar);
Assert.Equal(-1, accessibleObject.GetChildCount());
Assert.Equal(createControl, scrollBar.IsHandleCreated);
}
[WinFormsTheory]
[CommonMemberData(typeof(ScrollBarTestHelper), nameof(ScrollBarTestHelper.ScrollBarAccessibleObject_WithoutCreateControl_TestData))]
public void VScrollBarFirstLineButtonAccessibleObject_DefaultAction_ReturnNull_HandleIsNotCreated(RightToLeft rightToLeft, int minimum, int maximum, int value)
{
using VScrollBar scrollBar = GetVScrollBar(createControl: false, rightToLeft, minimum, maximum, value);
ScrollBarFirstLineButtonAccessibleObject accessibleObject = GetFirstLineButton(scrollBar);
Assert.Null(accessibleObject.DefaultAction);
Assert.False(scrollBar.IsHandleCreated);
}
[WinFormsTheory]
[CommonMemberData(typeof(ScrollBarTestHelper), nameof(ScrollBarTestHelper.ScrollBarAccessibleObject_WithoutCreateControl_TestData))]
public void VScrollBarFirstLineButtonAccessibleObject_DefaultAction_ReturnNull_HandleIsCreated(RightToLeft rightToLeft, int minimum, int maximum, int value)
{
using VScrollBar scrollBar = GetVScrollBar(createControl: true, rightToLeft, minimum, maximum, value);
ScrollBarFirstLineButtonAccessibleObject accessibleObject = GetFirstLineButton(scrollBar);
Assert.NotNull(accessibleObject.DefaultAction);
Assert.True(scrollBar.IsHandleCreated);
}
[WinFormsTheory]
[CommonMemberData(typeof(ScrollBarTestHelper), nameof(ScrollBarTestHelper.ScrollBarAccessibleObject_WithoutCreateControl_TestData))]
public void VScrollBarFirstLineButtonAccessibleObject_Description_ReturnNull_HandleIsNotCreated(RightToLeft rightToLeft, int minimum, int maximum, int value)
{
using VScrollBar scrollBar = GetVScrollBar(createControl: false, rightToLeft, minimum, maximum, value);
ScrollBarFirstLineButtonAccessibleObject accessibleObject = GetFirstLineButton(scrollBar);
Assert.Null(accessibleObject.Description);
Assert.False(scrollBar.IsHandleCreated);
}
[WinFormsTheory]
[CommonMemberData(typeof(ScrollBarTestHelper), nameof(ScrollBarTestHelper.ScrollBarAccessibleObject_WithoutCreateControl_TestData))]
public void VScrollBarFirstLineButtonAccessibleObject_Description_ReturnNull_HandleIsCreated(RightToLeft rightToLeft, int minimum, int maximum, int value)
{
using VScrollBar scrollBar = GetVScrollBar(createControl: true, rightToLeft, minimum, maximum, value);
ScrollBarFirstLineButtonAccessibleObject accessibleObject = GetFirstLineButton(scrollBar);
Assert.NotNull(accessibleObject.Description);
Assert.True(scrollBar.IsHandleCreated);
}
[WinFormsTheory]
[CommonMemberData(typeof(ScrollBarTestHelper), nameof(ScrollBarTestHelper.ScrollBarAccessibleObject_TestData))]
public void VScrollBarFirstLineButtonAccessibleObject_State_ReturnExpected(bool createControl, RightToLeft rightToLeft, int minimum, int maximum, int value)
{
using VScrollBar scrollBar = GetVScrollBar(createControl, rightToLeft, minimum, maximum, value);
ScrollBarFirstLineButtonAccessibleObject accessibleObject = GetFirstLineButton(scrollBar);
Assert.Equal(AccessibleStates.None, accessibleObject.State);
Assert.Equal(createControl, scrollBar.IsHandleCreated);
}
[WinFormsTheory]
[CommonMemberData(typeof(ScrollBarTestHelper), nameof(ScrollBarTestHelper.ScrollBarAccessibleObject_WithoutCreateControl_TestData))]
public void VScrollBarFirstLineButtonAccessibleObject_Name_ReturnNull_HandleIsNotCreated(RightToLeft rightToLeft, int minimum, int maximum, int value)
{
using VScrollBar scrollBar = GetVScrollBar(createControl: false, rightToLeft, minimum, maximum, value);
ScrollBarFirstLineButtonAccessibleObject accessibleObject = GetFirstLineButton(scrollBar);
Assert.Null(accessibleObject.Name);
Assert.False(scrollBar.IsHandleCreated);
}
[WinFormsTheory]
[CommonMemberData(typeof(ScrollBarTestHelper), nameof(ScrollBarTestHelper.ScrollBarAccessibleObject_WithoutCreateControl_TestData))]
public void VScrollBarFirstLineButtonAccessibleObject_Name_ReturnNull_HandleIsCreated(RightToLeft rightToLeft, int minimum, int maximum, int value)
{
using VScrollBar scrollBar = GetVScrollBar(createControl: true, rightToLeft, minimum, maximum, value);
ScrollBarFirstLineButtonAccessibleObject accessibleObject = GetFirstLineButton(scrollBar);
Assert.NotNull(accessibleObject.Name);
Assert.True(scrollBar.IsHandleCreated);
}
[WinFormsTheory]
[CommonMemberData(typeof(ScrollBarTestHelper), nameof(ScrollBarTestHelper.ScrollBarAccessibleObject_TestData))]
public void VScrollBarFirstLineButtonAccessibleObject_Role_ReturnNotNull(bool createControl, RightToLeft rightToLeft, int minimum, int maximum, int value)
{
using VScrollBar scrollBar = GetVScrollBar(createControl, rightToLeft, minimum, maximum, value);
ScrollBarFirstLineButtonAccessibleObject accessibleObject = GetFirstLineButton(scrollBar);
AccessibleRole expectedRole = createControl ? AccessibleRole.PushButton : AccessibleRole.None;
Assert.Equal(expectedRole, accessibleObject.Role);
Assert.Equal(createControl, scrollBar.IsHandleCreated);
}
[WinFormsTheory]
[CommonMemberData(typeof(ScrollBarTestHelper), nameof(ScrollBarTestHelper.ScrollBarAccessibleObject_TestData))]
public void VScrollBarFirstLineButtonAccessibleObject_InvokePattern_Supported(bool createControl, RightToLeft rightToLeft, int minimum, int maximum, int value)
{
using VScrollBar scrollBar = GetVScrollBar(createControl, rightToLeft, minimum, maximum, value);
ScrollBarFirstLineButtonAccessibleObject accessibleObject = GetFirstLineButton(scrollBar);
Assert.Equal(createControl, accessibleObject.IsPatternSupported(UIA_PATTERN_ID.UIA_InvokePatternId));
Assert.Equal(createControl, scrollBar.IsHandleCreated);
}
[WinFormsTheory]
[CommonMemberData(typeof(ScrollBarTestHelper), nameof(ScrollBarTestHelper.VScrollBarAccessibleObject_FirstPageButtonIsDisplayed_TestData))]
public void VScrollBarFirstLineButtonAccessibleObject_FragmentNavigate_ReturnExpected_FirstPageButtonIsDisplayed(RightToLeft rightToLeft, int minimum, int maximum, int value)
{
using VScrollBar scrollBar = GetVScrollBar(createControl: true, rightToLeft, minimum, maximum, value);
var scrollBarAccessibleObject = (ScrollBarAccessibleObject)scrollBar.AccessibilityObject;
ScrollBarFirstLineButtonAccessibleObject accessibleObject = GetFirstLineButton(scrollBar);
Assert.Equal(scrollBarAccessibleObject, accessibleObject.FragmentNavigate(NavigateDirection.NavigateDirection_Parent));
Assert.Equal(scrollBarAccessibleObject.FirstPageButtonAccessibleObject, accessibleObject.FragmentNavigate(NavigateDirection.NavigateDirection_NextSibling));
Assert.Null(accessibleObject.FragmentNavigate(NavigateDirection.NavigateDirection_PreviousSibling));
Assert.Null(accessibleObject.FragmentNavigate(NavigateDirection.NavigateDirection_FirstChild));
Assert.Null(accessibleObject.FragmentNavigate(NavigateDirection.NavigateDirection_LastChild));
Assert.True(scrollBar.IsHandleCreated);
}
[WinFormsTheory]
[CommonMemberData(typeof(ScrollBarTestHelper), nameof(ScrollBarTestHelper.VScrollBarAccessibleObject_FirstPageButtonIsHidden_TestData))]
public void VScrollBarFirstLineButtonAccessibleObject_FragmentNavigate_ReturnExpected_FirstPageButtonIsHidden(RightToLeft rightToLeft, int minimum, int maximum, int value)
{
using VScrollBar scrollBar = GetVScrollBar(createControl: true, rightToLeft, minimum, maximum, value);
var scrollBarAccessibleObject = (ScrollBarAccessibleObject)scrollBar.AccessibilityObject;
ScrollBarFirstLineButtonAccessibleObject accessibleObject = GetFirstLineButton(scrollBar);
Assert.Equal(scrollBarAccessibleObject, accessibleObject.FragmentNavigate(NavigateDirection.NavigateDirection_Parent));
Assert.Equal(scrollBarAccessibleObject.ThumbAccessibleObject, accessibleObject.FragmentNavigate(NavigateDirection.NavigateDirection_NextSibling));
Assert.Null(accessibleObject.FragmentNavigate(NavigateDirection.NavigateDirection_PreviousSibling));
Assert.Null(accessibleObject.FragmentNavigate(NavigateDirection.NavigateDirection_FirstChild));
Assert.Null(accessibleObject.FragmentNavigate(NavigateDirection.NavigateDirection_LastChild));
Assert.True(scrollBar.IsHandleCreated);
}
[WinFormsTheory]
[CommonMemberData(typeof(ScrollBarTestHelper), nameof(ScrollBarTestHelper.ScrollBarAccessibleObject_MinimumEqualsMaximum_TestData))]
public void VScrollBarFirstLineButtonAccessibleObject_FragmentNavigate_ReturnExpected_MinimumEqualsMaximum(RightToLeft rightToLeft, int minimum, int maximum, int value)
{
using VScrollBar scrollBar = GetVScrollBar(createControl: true, rightToLeft, minimum, maximum, value);
var scrollBarAccessibleObject = (ScrollBarAccessibleObject)scrollBar.AccessibilityObject;
ScrollBarFirstLineButtonAccessibleObject accessibleObject = GetFirstLineButton(scrollBar);
Assert.Equal(scrollBarAccessibleObject, accessibleObject.FragmentNavigate(NavigateDirection.NavigateDirection_Parent));
Assert.Equal(scrollBarAccessibleObject.ThumbAccessibleObject, accessibleObject.FragmentNavigate(NavigateDirection.NavigateDirection_NextSibling));
Assert.Null(accessibleObject.FragmentNavigate(NavigateDirection.NavigateDirection_PreviousSibling));
Assert.Null(accessibleObject.FragmentNavigate(NavigateDirection.NavigateDirection_FirstChild));
Assert.Null(accessibleObject.FragmentNavigate(NavigateDirection.NavigateDirection_LastChild));
Assert.True(scrollBar.IsHandleCreated);
}
[WinFormsTheory]
[CommonMemberData(typeof(ScrollBarTestHelper), nameof(ScrollBarTestHelper.ScrollBarAccessibleObject_WithoutCreateControl_TestData))]
public void VScrollBarFirstLineButtonAccessibleObject_FragmentNavigate_ReturnNull_HandleIsNotCreated(RightToLeft rightToLeft, int minimum, int maximum, int value)
{
using VScrollBar scrollBar = GetVScrollBar(createControl: false, rightToLeft, minimum, maximum, value);
var scrollBarAccessibleObject = (ScrollBarAccessibleObject)scrollBar.AccessibilityObject;
ScrollBarFirstLineButtonAccessibleObject accessibleObject = GetFirstLineButton(scrollBar);
Assert.Null(accessibleObject.FragmentNavigate(NavigateDirection.NavigateDirection_Parent));
Assert.Null(accessibleObject.FragmentNavigate(NavigateDirection.NavigateDirection_NextSibling));
Assert.Null(accessibleObject.FragmentNavigate(NavigateDirection.NavigateDirection_PreviousSibling));
Assert.Null(accessibleObject.FragmentNavigate(NavigateDirection.NavigateDirection_FirstChild));
Assert.Null(accessibleObject.FragmentNavigate(NavigateDirection.NavigateDirection_LastChild));
Assert.False(scrollBar.IsHandleCreated);
}
[WinFormsTheory]
[InlineData(RightToLeft.Yes)]
[InlineData(RightToLeft.No)]
public void VScrollBarFirstLineButtonAccessibleObject_Invoke_DecreaseValue(RightToLeft rightToLeft)
{
using VScrollBar scrollBar = GetVScrollBar(createControl: true, rightToLeft, minimum: 0, maximum: 100, value: 50);
ScrollBarFirstLineButtonAccessibleObject accessibleObject = GetFirstLineButton(scrollBar);
Assert.Equal(50, scrollBar.Value);
accessibleObject.Invoke();
Assert.Equal(49, scrollBar.Value);
accessibleObject.Invoke();
Assert.Equal(48, scrollBar.Value);
Assert.True(scrollBar.IsHandleCreated);
}
[WinFormsTheory]
[InlineData(RightToLeft.No, 0, 100)]
[InlineData(RightToLeft.No, 0, 0)]
[InlineData(RightToLeft.Yes, 0, 100)]
[InlineData(RightToLeft.Yes, 0, 0)]
public void VScrollBarFirstLineButtonAccessibleObject_Invoke_DoesNotWork_OutOfRange(RightToLeft rightToLeft, int value, int maximum)
{
using VScrollBar scrollBar = GetVScrollBar(createControl: true, rightToLeft, minimum: 0, maximum, value);
ScrollBarFirstLineButtonAccessibleObject accessibleObject = GetFirstLineButton(scrollBar);
Assert.Equal(value, scrollBar.Value);
accessibleObject.Invoke();
Assert.Equal(value, scrollBar.Value);
Assert.True(scrollBar.IsHandleCreated);
}
[WinFormsTheory]
[CommonMemberData(typeof(ScrollBarTestHelper), nameof(ScrollBarTestHelper.ScrollBarAccessibleObject_WithoutCreateControl_TestData))]
public void VScrollBarFirstLineButtonAccessibleObject_Invoke_DoesNotWork_IfHandleIsNotCreated(RightToLeft rightToLeft, int minimum, int maximum, int value)
{
using VScrollBar scrollBar = GetVScrollBar(createControl: false, rightToLeft, minimum, maximum, value);
ScrollBarFirstLineButtonAccessibleObject accessibleObject = GetFirstLineButton(scrollBar);
Assert.Equal(value, scrollBar.Value);
accessibleObject.Invoke();
Assert.Equal(value, scrollBar.Value);
Assert.False(scrollBar.IsHandleCreated);
}
[WinFormsTheory]
[CommonMemberData(typeof(ScrollBarTestHelper), nameof(ScrollBarTestHelper.ScrollBarAccessibleObject_MinimumEqualsMaximum_TestData))]
public void VScrollBarLineButtonAccessibleObject_Invoke_DoesNotWork_MinimumEqualsMaximum(RightToLeft rightToLeft, int minimum, int maximum, int value)
{
using VScrollBar scrollBar = GetVScrollBar(createControl: true, rightToLeft, minimum, maximum, value);
ScrollBarFirstLineButtonAccessibleObject accessibleObject = GetFirstLineButton(scrollBar);
Assert.Equal(value, scrollBar.Value);
accessibleObject.Invoke();
Assert.Equal(value, scrollBar.Value);
Assert.True(scrollBar.IsHandleCreated);
}
[WinFormsTheory]
[CommonMemberData(typeof(ScrollBarTestHelper), nameof(ScrollBarTestHelper.ScrollBarAccessibleObject_TestData))]
public void VScrollBarLineButtonAccessibleObject_GetPropertyValue_IsEnabledProperty_ReturnsTrue_OwnerEnabled(bool createControl, RightToLeft rightToLeft, int minimum, int maximum, int value)
{
using VScrollBar scrollBar = GetVScrollBar(createControl, rightToLeft, minimum, maximum, value);
scrollBar.Enabled = true;
ScrollBarFirstLineButtonAccessibleObject accessibleObject = GetFirstLineButton(scrollBar);
Assert.True((bool)accessibleObject.GetPropertyValue(UIA_PROPERTY_ID.UIA_IsEnabledPropertyId));
Assert.Equal(createControl, scrollBar.IsHandleCreated);
}
[WinFormsTheory]
[CommonMemberData(typeof(ScrollBarTestHelper), nameof(ScrollBarTestHelper.ScrollBarAccessibleObject_TestData))]
public void VScrollBarLineButtonAccessibleObject_GetPropertyValue_IsEnabledProperty_ReturnsFalse_OwnerDisabled(bool createControl, RightToLeft rightToLeft, int minimum, int maximum, int value)
{
using VScrollBar scrollBar = GetVScrollBar(createControl, rightToLeft, minimum, maximum, value);
scrollBar.Enabled = false;
ScrollBarFirstLineButtonAccessibleObject accessibleObject = GetFirstLineButton(scrollBar);
Assert.False((bool)accessibleObject.GetPropertyValue(UIA_PROPERTY_ID.UIA_IsEnabledPropertyId));
Assert.Equal(createControl, scrollBar.IsHandleCreated);
}
[WinFormsTheory]
[CommonMemberData(typeof(ScrollBarTestHelper), nameof(ScrollBarTestHelper.ScrollBarAccessibleObject_TestData))]
public void VScrollBarFirstLineButtonAccessibleObject_IsDisplayed_ReturnsTrue_OwnerVisible(bool createControl, RightToLeft rightToLeft, int minimum, int maximum, int value)
{
using VScrollBar scrollBar = GetVScrollBar(createControl, rightToLeft, minimum, maximum, value);
scrollBar.Visible = true;
ScrollBarFirstLineButtonAccessibleObject accessibleObject = GetFirstLineButton(scrollBar);
Assert.True(accessibleObject.IsDisplayed);
Assert.Equal(createControl, scrollBar.IsHandleCreated);
}
[WinFormsTheory]
[CommonMemberData(typeof(ScrollBarTestHelper), nameof(ScrollBarTestHelper.ScrollBarAccessibleObject_TestData))]
public void VScrollBarFirstLineButtonAccessibleObject_IsDisplayed_ReturnsFalse_OwnerInvisible(bool createControl, RightToLeft rightToLeft, int minimum, int maximum, int value)
{
using VScrollBar scrollBar = GetVScrollBar(createControl, rightToLeft, minimum, maximum, value);
scrollBar.Visible = false;
ScrollBarFirstLineButtonAccessibleObject accessibleObject = GetFirstLineButton(scrollBar);
Assert.False(accessibleObject.IsDisplayed);
Assert.Equal(createControl, scrollBar.IsHandleCreated);
}
private VScrollBar GetVScrollBar(bool createControl, RightToLeft rightToLeft, int minimum, int maximum, int value)
{
VScrollBar vScrollBar = new()
{
RightToLeft = rightToLeft,
Value = value,
Minimum = minimum,
Maximum = maximum,
SmallChange = 1,
LargeChange = 2,
Size = new Size(500, 50)
};
if (createControl)
{
vScrollBar.CreateControl();
}
return vScrollBar;
}
private ScrollBarFirstLineButtonAccessibleObject GetFirstLineButton(ScrollBar scrollBar)
{
var accessibleObject = (ScrollBarAccessibleObject)scrollBar.AccessibilityObject;
return accessibleObject.FirstLineButtonAccessibleObject;
}
}
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