|
// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System.Windows.Forms.Design;
using Moq;
using System.Windows.Forms.TestUtilities;
namespace System.ComponentModel.Design.Tests;
public class CollectionFormTests : CollectionEditor
{
public CollectionFormTests() : base(typeof(List<int>))
{
}
[Fact]
public void CollectionForm_Ctor_CollectionEditor()
{
CollectionEditor editor = new(typeof(List<int>));
SubCollectionForm form = new(editor);
Assert.Equal(typeof(int), form.CollectionItemType);
Assert.Same(form.CollectionItemType, form.CollectionItemType);
Assert.Equal(typeof(List<int>), form.CollectionType);
Assert.Null(form.Context);
Assert.Null(form.EditValue);
Assert.Empty(form.Items);
Assert.Equal([typeof(int)], form.NewItemTypes);
}
[Fact]
public void CollectionForm_Ctor_NullEditor_ThrowsArgumentNullException()
{
Assert.Throws<ArgumentNullException>("editor", () => new SubCollectionForm(null));
}
[Theory]
[StringWithNullData]
public void CollectionForm_EditValue_Set_GetReturnsExpected(object value)
{
CollectionEditor editor = new(typeof(int[]));
SubCollectionForm form = new(editor)
{
EditValue = value
};
Assert.Same(value, form.EditValue);
Assert.Equal(1, form.OnEditValueChangedCallCount);
// Set same.
form.EditValue = value;
Assert.Same(value, form.EditValue);
Assert.Equal(2, form.OnEditValueChangedCallCount);
}
public static IEnumerable<object[]> Items_Set_TestData()
{
yield return new object[] { null };
yield return new object[] { Array.Empty<object>() };
yield return new object[] { new object[] { 1, 2, 3 } };
}
[Theory]
[MemberData(nameof(Items_Set_TestData))]
public void CollectionForm_Items_SetWithoutContext_GetReturnsExpected(object[] value)
{
CollectionEditor editor = new(typeof(int[]));
SubCollectionForm form = new(editor)
{
Items = value
};
Assert.Null(form.EditValue);
Assert.Empty(form.Items);
Assert.Equal(0, form.OnEditValueChangedCallCount);
// Set same.
form.Items = value;
Assert.Null(form.EditValue);
Assert.Empty(form.Items);
Assert.Equal(0, form.OnEditValueChangedCallCount);
}
[Theory]
[MemberData(nameof(Items_Set_TestData))]
public void CollectionForm_Items_SetWithEditValue_GetReturnsExpected(object[] value)
{
SubCollectionEditor editor = new(typeof(List<int>));
SubCollectionForm form = new(editor)
{
EditValue = new List<int> { 1, 2 },
OnEditValueChangedCallCount = 0,
Items = value
};
Assert.Equal(new object[] { 1, 2 }, form.EditValue);
Assert.Equal([1, 2], form.Items);
Assert.Equal(0, form.OnEditValueChangedCallCount);
// Set same.
form.Items = value;
Assert.Equal(new object[] { 1, 2 }, form.EditValue);
Assert.Equal([1, 2], form.Items);
Assert.Equal(0, form.OnEditValueChangedCallCount);
}
[Theory]
[MemberData(nameof(Items_Set_TestData))]
public void CollectionForm_Items_SetWithContext_GetReturnsExpected(object[] value)
{
Mock<IWindowsFormsEditorService> mockEditorService = new(MockBehavior.Strict);
mockEditorService
.Setup(s => s.ShowDialog(It.IsAny<Form>()))
.Returns(DialogResult.OK);
Mock<IServiceProvider> mockServiceProvider = new(MockBehavior.Strict);
mockServiceProvider
.Setup(p => p.GetService(typeof(IWindowsFormsEditorService)))
.Returns(mockEditorService.Object);
Mock<ITypeDescriptorContext> mockContext = new(MockBehavior.Strict);
mockContext
.Setup(c => c.GetService(typeof(IDesignerHost)))
.Returns(null);
mockContext
.Setup(c => c.GetService(typeof(AmbientProperties)))
.Returns(null);
mockContext
.Setup(c => c.GetService(typeof(IComponentChangeService)))
.Returns(null);
mockContext
.Setup(c => c.OnComponentChanging())
.Returns(true)
.Verifiable();
mockContext
.Setup(c => c.OnComponentChanged())
.Verifiable();
SubCollectionEditor editor = new(typeof(List<int>));
object editValue = new();
Assert.Same(editValue, editor.EditValue(mockContext.Object, mockServiceProvider.Object, editValue));
Assert.Same(mockContext.Object, editor.Context);
SubCollectionForm form = new(editor)
{
Items = value
};
Assert.Null(form.EditValue);
Assert.Empty(form.Items);
Assert.Equal(0, form.OnEditValueChangedCallCount);
mockContext.Verify(c => c.OnComponentChanging(), Times.Once());
mockContext.Verify(c => c.OnComponentChanged(), Times.Once());
// Set same.
form.Items = value;
Assert.Null(form.EditValue);
Assert.Empty(form.Items);
Assert.Equal(0, form.OnEditValueChangedCallCount);
mockContext.Verify(c => c.OnComponentChanging(), Times.Exactly(2));
mockContext.Verify(c => c.OnComponentChanged(), Times.Exactly(2));
}
[Theory]
[MemberData(nameof(Items_Set_TestData))]
public void CollectionForm_Items_SetWithContextWithEditValue_GetReturnsExpected(object[] value)
{
Mock<IWindowsFormsEditorService> mockEditorService = new(MockBehavior.Strict);
mockEditorService
.Setup(s => s.ShowDialog(It.IsAny<Form>()))
.Returns(DialogResult.OK);
Mock<IServiceProvider> mockServiceProvider = new(MockBehavior.Strict);
mockServiceProvider
.Setup(p => p.GetService(typeof(IWindowsFormsEditorService)))
.Returns(mockEditorService.Object);
Mock<ITypeDescriptorContext> mockContext = new(MockBehavior.Strict);
mockContext
.Setup(c => c.GetService(typeof(IDesignerHost)))
.Returns(null);
mockContext
.Setup(c => c.GetService(typeof(AmbientProperties)))
.Returns(null);
mockContext
.Setup(c => c.GetService(typeof(IComponentChangeService)))
.Returns(null);
mockContext
.Setup(c => c.OnComponentChanging())
.Returns(true)
.Verifiable();
mockContext
.Setup(c => c.OnComponentChanged())
.Verifiable();
SubCollectionEditor editor = new(typeof(List<int>));
object editValue = new();
Assert.Same(editValue, editor.EditValue(mockContext.Object, mockServiceProvider.Object, editValue));
Assert.Same(mockContext.Object, editor.Context);
SubCollectionForm form = new(editor)
{
EditValue = new List<int> { 1, 2 },
OnEditValueChangedCallCount = 0,
Items = value
};
Assert.Equal(value ?? Array.Empty<object>(), form.EditValue);
Assert.Equal(value ?? Array.Empty<object>(), form.Items);
Assert.Equal(0, form.OnEditValueChangedCallCount);
mockContext.Verify(c => c.OnComponentChanging(), Times.Once());
mockContext.Verify(c => c.OnComponentChanged(), Times.Once());
// Set same.
form.Items = value;
Assert.Equal(value ?? Array.Empty<object>(), form.EditValue);
Assert.Equal(value ?? Array.Empty<object>(), form.Items);
Assert.Equal(0, form.OnEditValueChangedCallCount);
mockContext.Verify(c => c.OnComponentChanging(), Times.Exactly(2));
mockContext.Verify(c => c.OnComponentChanged(), Times.Exactly(2));
}
[Theory]
[MemberData(nameof(Items_Set_TestData))]
public void CollectionForm_Items_SetWithContextWithEditValueCustomSetItems_GetReturnsExpected(object[] value)
{
Mock<IWindowsFormsEditorService> mockEditorService = new(MockBehavior.Strict);
mockEditorService
.Setup(s => s.ShowDialog(It.IsAny<Form>()))
.Returns(DialogResult.OK);
Mock<IServiceProvider> mockServiceProvider = new(MockBehavior.Strict);
mockServiceProvider
.Setup(p => p.GetService(typeof(IWindowsFormsEditorService)))
.Returns(mockEditorService.Object);
Mock<ITypeDescriptorContext> mockContext = new(MockBehavior.Strict);
mockContext
.Setup(c => c.GetService(typeof(IDesignerHost)))
.Returns(null);
mockContext
.Setup(c => c.GetService(typeof(AmbientProperties)))
.Returns(null);
mockContext
.Setup(c => c.GetService(typeof(IComponentChangeService)))
.Returns(null);
mockContext
.Setup(c => c.OnComponentChanging())
.Returns(true)
.Verifiable();
mockContext
.Setup(c => c.OnComponentChanged())
.Verifiable();
CustomSetItemsCollectionEditor editor = new(typeof(List<int>));
object editValue = new();
Assert.Same(editValue, editor.EditValue(mockContext.Object, mockServiceProvider.Object, editValue));
Assert.Same(mockContext.Object, editor.Context);
SubCollectionForm form = new(editor)
{
EditValue = new List<int> { 1, 2 },
OnEditValueChangedCallCount = 0,
Items = value
};
Assert.Equal("CustomSetItems", form.EditValue);
Assert.Empty(form.Items);
Assert.Equal(1, form.OnEditValueChangedCallCount);
mockContext.Verify(c => c.OnComponentChanging(), Times.Once());
mockContext.Verify(c => c.OnComponentChanged(), Times.Once());
// Set same.
form.Items = value;
Assert.Equal("CustomSetItems", form.EditValue);
Assert.Empty(form.Items);
Assert.Equal(1, form.OnEditValueChangedCallCount);
mockContext.Verify(c => c.OnComponentChanging(), Times.Exactly(2));
mockContext.Verify(c => c.OnComponentChanged(), Times.Exactly(2));
}
[Theory]
[MemberData(nameof(Items_Set_TestData))]
public void CollectionForm_Items_SetWithContextWithEditValueFalseOnChanging_GetReturnsExpected(object[] value)
{
Mock<IWindowsFormsEditorService> mockEditorService = new(MockBehavior.Strict);
mockEditorService
.Setup(s => s.ShowDialog(It.IsAny<Form>()))
.Returns(DialogResult.OK);
Mock<IServiceProvider> mockServiceProvider = new(MockBehavior.Strict);
mockServiceProvider
.Setup(p => p.GetService(typeof(IWindowsFormsEditorService)))
.Returns(mockEditorService.Object);
Mock<ITypeDescriptorContext> mockContext = new(MockBehavior.Strict);
mockContext
.Setup(c => c.GetService(typeof(IDesignerHost)))
.Returns(null);
mockContext
.Setup(c => c.GetService(typeof(AmbientProperties)))
.Returns(null);
mockContext
.Setup(c => c.GetService(typeof(IComponentChangeService)))
.Returns(null);
mockContext
.Setup(c => c.OnComponentChanging())
.Returns(false)
.Verifiable();
mockContext
.Setup(c => c.OnComponentChanged())
.Verifiable();
SubCollectionEditor editor = new(typeof(List<int>));
object editValue = new();
Assert.Same(editValue, editor.EditValue(mockContext.Object, mockServiceProvider.Object, editValue));
Assert.Same(mockContext.Object, editor.Context);
SubCollectionForm form = new(editor)
{
EditValue = new List<int> { 1, 2 },
OnEditValueChangedCallCount = 0,
Items = value
};
Assert.Equal(new object[] { 1, 2 }, form.EditValue);
Assert.Equal([1, 2], form.Items);
Assert.Equal(0, form.OnEditValueChangedCallCount);
mockContext.Verify(c => c.OnComponentChanging(), Times.Once());
mockContext.Verify(c => c.OnComponentChanged(), Times.Never());
// Set same.
form.Items = value;
Assert.Equal(new object[] { 1, 2 }, form.EditValue);
Assert.Equal([1, 2], form.Items);
Assert.Equal(0, form.OnEditValueChangedCallCount);
mockContext.Verify(c => c.OnComponentChanging(), Times.Exactly(2));
mockContext.Verify(c => c.OnComponentChanged(), Times.Never());
}
[Theory]
[MemberData(nameof(Items_Set_TestData))]
public void CollectionForm_Items_SetWithContextWithEditValueThrowsCriticalExceptionOnChanging_Rethrows(object[] value)
{
Mock<IWindowsFormsEditorService> mockEditorService = new(MockBehavior.Strict);
mockEditorService
.Setup(s => s.ShowDialog(It.IsAny<Form>()))
.Returns(DialogResult.OK);
Mock<IServiceProvider> mockServiceProvider = new(MockBehavior.Strict);
mockServiceProvider
.Setup(p => p.GetService(typeof(IWindowsFormsEditorService)))
.Returns(mockEditorService.Object);
Mock<ITypeDescriptorContext> mockContext = new(MockBehavior.Strict);
mockContext
.Setup(c => c.GetService(typeof(IDesignerHost)))
.Returns(null);
mockContext
.Setup(c => c.GetService(typeof(AmbientProperties)))
.Returns(null);
mockContext
.Setup(c => c.GetService(typeof(IComponentChangeService)))
.Returns(null);
#pragma warning disable CA2201 // Do not raise reserved exception types
mockContext
.Setup(c => c.OnComponentChanging())
.Returns(() => throw new StackOverflowException())
.Verifiable();
#pragma warning restore CA2201
mockContext
.Setup(c => c.OnComponentChanged())
.Verifiable();
SubCollectionEditor editor = new(typeof(List<int>));
object editValue = new();
Assert.Same(editValue, editor.EditValue(mockContext.Object, mockServiceProvider.Object, editValue));
Assert.Same(mockContext.Object, editor.Context);
SubCollectionForm form = new(editor)
{
EditValue = new List<int> { 1, 2 },
OnEditValueChangedCallCount = 0
};
Assert.Throws<StackOverflowException>(() => form.Items = value);
}
[Theory]
[MemberData(nameof(Items_Set_TestData))]
public void CollectionForm_Items_SetWithContextWithEditValueThrowsCriticalExceptionOnChanging_CallsDisplayError(object[] value)
{
Mock<IWindowsFormsEditorService> mockEditorService = new(MockBehavior.Strict);
mockEditorService
.Setup(s => s.ShowDialog(It.IsAny<Form>()))
.Returns(DialogResult.OK);
Mock<IServiceProvider> mockServiceProvider = new(MockBehavior.Strict);
mockServiceProvider
.Setup(p => p.GetService(typeof(IWindowsFormsEditorService)))
.Returns(mockEditorService.Object);
DivideByZeroException exception = new();
Mock<IUIService> mockService = new(MockBehavior.Strict);
mockService
.Setup(s => s.ShowError(exception))
.Verifiable();
Mock<ITypeDescriptorContext> mockContext = new(MockBehavior.Strict);
mockContext
.Setup(c => c.GetService(typeof(IDesignerHost)))
.Returns(null);
mockContext
.Setup(c => c.GetService(typeof(AmbientProperties)))
.Returns(null);
mockContext
.Setup(c => c.GetService(typeof(IComponentChangeService)))
.Returns(null);
mockContext
.Setup(c => c.OnComponentChanging())
.Returns(() => throw exception)
.Verifiable();
mockContext
.Setup(c => c.OnComponentChanged())
.Verifiable();
mockContext
.Setup(c => c.GetService(typeof(IUIService)))
.Returns(mockService.Object);
SubCollectionEditor editor = new(typeof(List<int>));
object editValue = new();
Assert.Same(editValue, editor.EditValue(mockContext.Object, mockServiceProvider.Object, editValue));
Assert.Same(mockContext.Object, editor.Context);
SubCollectionForm form = new(editor)
{
EditValue = new List<int> { 1, 2 },
OnEditValueChangedCallCount = 0,
Items = value
};
Assert.Equal(new object[] { 1, 2 }, form.EditValue);
Assert.Equal([1, 2], form.Items);
Assert.Equal(0, form.OnEditValueChangedCallCount);
mockContext.Verify(c => c.OnComponentChanging(), Times.Once());
mockContext.Verify(c => c.OnComponentChanged(), Times.Never());
mockService.Verify(s => s.ShowError(exception), Times.Once());
}
public static IEnumerable<object[]> CanRemoveInstance_TestData()
{
yield return new object[] { "some string" };
yield return new object[] { 123 };
yield return new object[] { null };
yield return new object[] { new Component() };
}
[Theory]
[MemberData(nameof(CanRemoveInstance_TestData))]
public void CollectionForm_CanRemoveInstance_Invoke_ReturnsExpected(object value)
{
SubCollectionEditor editor = new(null);
SubCollectionForm form = new(editor);
Assert.True(form.CanRemoveInstance(value));
}
public static IEnumerable<object[]> CanRemoveInstance_InheritanceAttribute_TestData()
{
yield return new object[] { new InheritanceAttribute(InheritanceLevel.Inherited - 1), false };
yield return new object[] { new InheritanceAttribute(InheritanceLevel.Inherited), false };
yield return new object[] { new InheritanceAttribute(InheritanceLevel.InheritedReadOnly), false };
yield return new object[] { new InheritanceAttribute(InheritanceLevel.NotInherited), true };
yield return new object[] { new InheritanceAttribute(InheritanceLevel.NotInherited + 1), false };
}
[Theory]
[MemberData(nameof(CanRemoveInstance_InheritanceAttribute_TestData))]
public void CollectionForm_CanRemoveInstance_InheritanceAttribute_ReturnsExpected(InheritanceAttribute attribute, bool expected)
{
using Component component = new();
TypeDescriptor.AddAttributes(component, attribute);
SubCollectionEditor editor = new(null);
SubCollectionForm form = new(editor);
Assert.Equal(expected, form.CanRemoveInstance(component));
}
[Fact]
public void CollectionForm_CanSelectMultipleInstances_Invoke_ReturnsFalse()
{
SubCollectionEditor editor = new(null);
SubCollectionForm form = new(editor);
Assert.True(form.CanSelectMultipleInstances());
}
public static IEnumerable<object[]> InvalidDesignerHost_TestData()
{
yield return new object[] { null };
yield return new object[] { new() };
}
[Theory]
[MemberData(nameof(InvalidDesignerHost_TestData))]
public void CollectionForm_CreateInstance_WithContextWithInvalidDesignerHost_ReturnsExpected(object host)
{
Mock<IWindowsFormsEditorService> mockEditorService = new(MockBehavior.Strict);
mockEditorService
.Setup(s => s.ShowDialog(It.IsAny<Form>()))
.Returns(DialogResult.OK);
Mock<IServiceProvider> mockServiceProvider = new(MockBehavior.Strict);
mockServiceProvider
.Setup(p => p.GetService(typeof(IWindowsFormsEditorService)))
.Returns(mockEditorService.Object);
Mock<ITypeDescriptorContext> mockContext = new(MockBehavior.Strict);
mockContext
.Setup(c => c.GetService(typeof(IDesignerHost)))
.Returns(host);
mockContext
.Setup(c => c.GetService(typeof(AmbientProperties)))
.Returns(null);
mockContext
.Setup(c => c.GetService(typeof(IComponentChangeService)))
.Returns(null);
SubCollectionEditor editor = new(typeof(List<int>));
object value = new();
Assert.Same(value, editor.EditValue(mockContext.Object, mockServiceProvider.Object, value));
Assert.Same(mockContext.Object, editor.Context);
SubCollectionForm form = new(editor);
Assert.IsType<Component>(form.CreateInstance(typeof(Component)));
}
public static IEnumerable<object[]> CreateInstance_HostDesigner_TestData()
{
yield return new object[] { null };
Mock<IDesigner> mockDesigner = new(MockBehavior.Strict);
mockDesigner
.Setup(d => d.Dispose());
yield return new object[] { mockDesigner.Object };
}
[Theory]
[MemberData(nameof(CreateInstance_HostDesigner_TestData))]
public void CollectionForm_CreateInstance_WithContextWithHostReturningComponent_CallsCreateComponent(IDesigner designer)
{
Mock<IWindowsFormsEditorService> mockEditorService = new(MockBehavior.Strict);
mockEditorService
.Setup(s => s.ShowDialog(It.IsAny<Form>()))
.Returns(DialogResult.OK);
Mock<IServiceProvider> mockServiceProvider = new(MockBehavior.Strict);
mockServiceProvider
.Setup(p => p.GetService(typeof(IWindowsFormsEditorService)))
.Returns(mockEditorService.Object);
using Component result = new();
Mock<IDesignerHost> mockHost = new(MockBehavior.Strict);
mockHost
.Setup(h => h.CreateTransaction("Add or remove Int32 objects"))
.Returns((DesignerTransaction)null);
mockHost
.Setup(c => c.GetService(typeof(IComponentChangeService)))
.Returns(null);
mockHost
.Setup(h => h.CreateComponent(typeof(Component)))
.Returns(result);
mockHost
.Setup(h => h.GetDesigner(result))
.Returns(designer);
Mock<ITypeDescriptorContext> mockContext = new(MockBehavior.Strict);
mockContext
.Setup(c => c.GetService(typeof(IDesignerHost)))
.Returns(mockHost.Object);
mockContext
.Setup(c => c.GetService(typeof(AmbientProperties)))
.Returns(null);
mockContext
.Setup(c => c.GetService(typeof(IComponentChangeService)))
.Returns(null);
SubCollectionEditor editor = new(typeof(List<int>));
object value = new();
Assert.Same(value, editor.EditValue(mockContext.Object, mockServiceProvider.Object, value));
Assert.Same(mockContext.Object, editor.Context);
SubCollectionForm form = new(editor);
Assert.Same(result, form.CreateInstance(typeof(Component)));
}
[Theory]
[MemberData(nameof(CreateInstance_HostDesigner_TestData))]
public void CollectionForm_CreateInstance_WithContextWithHostReturningNullComponent_CallsCreateComponent(IDesigner designer)
{
Mock<IWindowsFormsEditorService> mockEditorService = new(MockBehavior.Strict);
mockEditorService
.Setup(s => s.ShowDialog(It.IsAny<Form>()))
.Returns(DialogResult.OK);
Mock<IServiceProvider> mockServiceProvider = new(MockBehavior.Strict);
mockServiceProvider
.Setup(p => p.GetService(typeof(IWindowsFormsEditorService)))
.Returns(mockEditorService.Object);
Mock<IDesignerHost> mockHost = new(MockBehavior.Strict);
mockHost
.Setup(h => h.CreateTransaction("Add or remove Int32 objects"))
.Returns((DesignerTransaction)null);
mockHost
.Setup(c => c.GetService(typeof(IComponentChangeService)))
.Returns(null);
mockHost
.Setup(h => h.CreateComponent(typeof(Component)))
.Returns((IComponent)null);
mockHost
.Setup(h => h.GetDesigner(null))
.Returns(designer);
mockHost
.Setup(c => c.GetService(typeof(TypeDescriptionProvider)))
.Returns(null);
object result = new();
Mock<ITypeDescriptorContext> mockContext = new(MockBehavior.Strict);
mockContext
.Setup(c => c.GetService(typeof(IDesignerHost)))
.Returns(mockHost.Object);
mockContext
.Setup(c => c.GetService(typeof(AmbientProperties)))
.Returns(null);
mockContext
.Setup(c => c.GetService(typeof(IComponentChangeService)))
.Returns(null);
SubCollectionEditor editor = new(typeof(List<int>));
object value = new();
Assert.Same(value, editor.EditValue(mockContext.Object, mockServiceProvider.Object, value));
Assert.Same(mockContext.Object, editor.Context);
SubCollectionForm form = new(editor);
Assert.IsType<Component>(form.CreateInstance(typeof(Component)));
}
[Fact]
public void CollectionForm_CreateInstance_WithContextWithHostReturningComponentWithIComponentInitializerDesigner_CallsInitializeNewComponent()
{
Mock<IWindowsFormsEditorService> mockEditorService = new(MockBehavior.Strict);
mockEditorService
.Setup(s => s.ShowDialog(It.IsAny<Form>()))
.Returns(DialogResult.OK);
Mock<IServiceProvider> mockServiceProvider = new(MockBehavior.Strict);
mockServiceProvider
.Setup(p => p.GetService(typeof(IWindowsFormsEditorService)))
.Returns(mockEditorService.Object);
using Component result = new();
Mock<IDesigner> mockDesigner = new(MockBehavior.Strict);
Mock<IComponentInitializer> mockComponentInitializer = mockDesigner.As<IComponentInitializer>();
mockComponentInitializer
.Setup(d => d.InitializeNewComponent(null))
.Verifiable();
Mock<IDesignerHost> mockHost = new(MockBehavior.Strict);
mockHost
.Setup(h => h.CreateTransaction("Add or remove Int32 objects"))
.Returns((DesignerTransaction)null);
mockHost
.Setup(c => c.GetService(typeof(IComponentChangeService)))
.Returns(null);
mockHost
.Setup(h => h.CreateComponent(typeof(Component)))
.Returns(result);
mockHost
.Setup(h => h.GetDesigner(result))
.Returns(mockDesigner.Object);
Mock<ITypeDescriptorContext> mockContext = new(MockBehavior.Strict);
mockContext
.Setup(c => c.GetService(typeof(IDesignerHost)))
.Returns(mockHost.Object);
mockContext
.Setup(c => c.GetService(typeof(AmbientProperties)))
.Returns(null);
mockContext
.Setup(c => c.GetService(typeof(IComponentChangeService)))
.Returns(null);
SubCollectionEditor editor = new(typeof(List<int>));
object value = new();
Assert.Same(value, editor.EditValue(mockContext.Object, mockServiceProvider.Object, value));
Assert.Same(mockContext.Object, editor.Context);
SubCollectionForm form = new(editor);
Assert.Same(result, form.CreateInstance(typeof(Component)));
mockComponentInitializer.Verify(d => d.InitializeNewComponent(null), Times.Once());
}
[Fact]
public void CollectionForm_CreateInstance_InvokeWithoutContext_ReturnsExpected()
{
SubCollectionEditor editor = new(null);
SubCollectionForm form = new(editor);
Assert.Equal(0, form.CreateInstance(typeof(int)));
}
[Fact]
public void CollectionForm_CreateInstance_NullItemType_ThrowsArgumentNullException()
{
SubCollectionEditor editor = new(null);
SubCollectionForm form = new(editor);
Assert.Throws<ArgumentNullException>("itemType", () => form.CreateInstance(null));
}
[Fact]
public void CollectionForm_DisplayError_InvokeWithContextWithIUIService_CallsShowError()
{
Mock<IWindowsFormsEditorService> mockEditorService = new(MockBehavior.Strict);
mockEditorService
.Setup(s => s.ShowDialog(It.IsAny<Form>()))
.Returns(DialogResult.OK);
Mock<IServiceProvider> mockServiceProvider = new(MockBehavior.Strict);
mockServiceProvider
.Setup(p => p.GetService(typeof(IWindowsFormsEditorService)))
.Returns(mockEditorService.Object);
InvalidOperationException exception = new();
Mock<IUIService> mockService = new(MockBehavior.Strict);
mockService
.Setup(s => s.ShowError(exception))
.Verifiable();
Mock<ITypeDescriptorContext> mockContext = new(MockBehavior.Strict);
mockContext
.Setup(c => c.GetService(typeof(IDesignerHost)))
.Returns(null);
mockContext
.Setup(c => c.GetService(typeof(AmbientProperties)))
.Returns(null);
mockContext
.Setup(c => c.GetService(typeof(IComponentChangeService)))
.Returns(null);
mockContext
.Setup(c => c.GetService(typeof(IUIService)))
.Returns(mockService.Object);
SubCollectionEditor editor = new(typeof(List<int>));
object editValue = new();
Assert.Same(editValue, editor.EditValue(mockContext.Object, mockServiceProvider.Object, editValue));
Assert.Same(mockContext.Object, editor.Context);
SubCollectionForm form = new(editor);
form.DisplayError(exception);
mockService.Verify(s => s.ShowError(exception), Times.Once());
}
[Theory]
[CommonMemberData(typeof(CommonTestHelperEx), nameof(CommonTestHelperEx.GetTypeWithNullTheoryData))]
public void CollectionForm_GetService_WithContext_CallsContextGetService(Type serviceType)
{
Mock<IWindowsFormsEditorService> mockEditorService = new(MockBehavior.Strict);
mockEditorService
.Setup(s => s.ShowDialog(It.IsAny<Form>()))
.Returns(DialogResult.OK);
Mock<IServiceProvider> mockServiceProvider = new(MockBehavior.Strict);
mockServiceProvider
.Setup(p => p.GetService(typeof(IWindowsFormsEditorService)))
.Returns(mockEditorService.Object);
object result = new();
Mock<ITypeDescriptorContext> mockContext = new(MockBehavior.Strict);
mockContext
.Setup(c => c.GetService(typeof(IDesignerHost)))
.Returns(null);
mockContext
.Setup(c => c.GetService(typeof(AmbientProperties)))
.Returns(null);
mockContext
.Setup(c => c.GetService(typeof(IComponentChangeService)))
.Returns(null);
mockContext
.Setup(c => c.GetService(serviceType))
.Returns(result);
SubCollectionEditor editor = new(typeof(List<int>));
object value = new();
Assert.Same(value, editor.EditValue(mockContext.Object, mockServiceProvider.Object, value));
Assert.Same(mockContext.Object, editor.Context);
SubCollectionForm form = new(editor);
Assert.Same(result, form.GetService(serviceType));
}
[Theory]
[CommonMemberData(typeof(CommonTestHelperEx), nameof(CommonTestHelperEx.GetTypeWithNullTheoryData))]
public void CollectionForm_GetService_InvokeWithoutContext_ReturnsNull(Type serviceType)
{
SubCollectionEditor editor = new(serviceType);
SubCollectionForm form = new(editor);
Assert.Null(form.GetService(serviceType));
}
[Fact]
public void CollectionForm_ShowEditorDialog_Invoke_Success()
{
SubCollectionEditor editor = new(typeof(List<int>));
SubCollectionForm form = new(editor);
Mock<IWindowsFormsEditorService> mockEditorService = new(MockBehavior.Strict);
mockEditorService
.Setup(s => s.ShowDialog(form))
.Returns(DialogResult.OK);
Assert.Equal(DialogResult.OK, form.ShowEditorDialog(mockEditorService.Object));
mockEditorService.Verify(s => s.ShowDialog(form), Times.Once());
}
[Fact]
public void CollectionForm_ShowEditorDialog_NullEdSvc_ThrowsArgumentNullException()
{
SubCollectionEditor editor = new(typeof(List<int>));
SubCollectionForm form = new(editor);
Assert.Throws<ArgumentNullException>("edSvc", () => form.ShowEditorDialog(null));
}
private class SubCollectionEditor : CollectionEditor
{
public SubCollectionEditor(Type type) : base(type)
{
}
public new ITypeDescriptorContext Context => base.Context;
}
private class CustomSetItemsCollectionEditor : CollectionEditor
{
public CustomSetItemsCollectionEditor(Type type) : base(type)
{
}
public new ITypeDescriptorContext Context => base.Context;
protected override object SetItems(object editValue, object[] value) => "CustomSetItems";
}
private class SubCollectionForm : CollectionForm
{
public SubCollectionForm(CollectionEditor editor) : base(editor)
{
}
public new Type CollectionItemType => base.CollectionItemType;
public new Type CollectionType => base.CollectionType;
public new ITypeDescriptorContext Context => base.Context;
public new object[] Items
{
get => base.Items;
set => base.Items = value;
}
public new Type[] NewItemTypes => base.NewItemTypes;
public new bool CanRemoveInstance(object value) => base.CanRemoveInstance(value);
public new bool CanSelectMultipleInstances() => base.CanSelectMultipleInstances();
public new object CreateInstance(Type itemType) => base.CreateInstance(itemType);
public new void DestroyInstance(object instance) => base.DestroyInstance(instance);
public new void DisplayError(Exception e) => base.DisplayError(e);
public new object GetService(Type serviceType) => base.GetService(serviceType);
public new DialogResult ShowEditorDialog(IWindowsFormsEditorService edSvc) => base.ShowEditorDialog(edSvc);
public int OnEditValueChangedCallCount { get; set; }
protected override void OnEditValueChanged() => OnEditValueChangedCallCount++;
}
}
|