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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 System.Collections;
using System.Drawing.Design;
using System.Reflection;
using System.Windows.Forms.Design;
using Moq;
using Moq.Protected;
using System.Windows.Forms.TestUtilities;
namespace System.ComponentModel.Design.Tests;
public class CollectionEditorTests
{
[Theory]
[InlineData(typeof(object), typeof(object))]
[InlineData(typeof(string), typeof(object))]
[InlineData(typeof(int[]), typeof(object))]
[InlineData(typeof(IList<int>), typeof(int))]
[InlineData(typeof(IList), typeof(object))]
[InlineData(typeof(ClassWithItem), typeof(int))]
[InlineData(typeof(ClassWithPrivateItem), typeof(object))]
[InlineData(typeof(ClassWithStaticItem), typeof(object))]
[InlineData(typeof(ClassWithItems), typeof(int))]
[InlineData(typeof(ClassWithPrivateItems), typeof(object))]
[InlineData(typeof(ClassWithStaticItems), typeof(object))]
public void CollectionEditor_Ctor_Type(Type type, Type expectedItemType)
{
SubCollectionEditor editor = new(type);
Assert.Equal(expectedItemType, editor.CollectionItemType);
Assert.Same(editor.CollectionItemType, editor.CollectionItemType);
Assert.Equal(type, editor.CollectionType);
Assert.Null(editor.Context);
Assert.Equal("net.ComponentModel.CollectionEditor", editor.HelpTopic);
Assert.False(editor.IsDropDownResizable);
Assert.Equal([expectedItemType], editor.NewItemTypes);
}
[Fact]
public void CollectionEditor_Ctor_NullType()
{
SubCollectionEditor editor = new(null);
Assert.Throws<ArgumentNullException>("type", () => editor.CollectionItemType);
Assert.Null(editor.CollectionType);
Assert.Null(editor.Context);
Assert.Equal("net.ComponentModel.CollectionEditor", editor.HelpTopic);
Assert.False(editor.IsDropDownResizable);
Assert.Throws<ArgumentNullException>("type", () => editor.NewItemTypes);
}
[Fact]
public void CollectionEditor_CollectionEditor_CancelChanges_Invoke_Nop()
{
SubCollectionEditor editor = new(null);
editor.CancelChanges();
}
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 CollectionEditor_CanRemoveInstance_Invoke_ReturnsExpected(object value)
{
SubCollectionEditor editor = new(null);
Assert.True(editor.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 CollectionEditor_CanRemoveInstance_InheritanceAttribute_ReturnsExpected(InheritanceAttribute attribute, bool expected)
{
using Component component = new();
TypeDescriptor.AddAttributes(component, attribute);
SubCollectionEditor editor = new(null);
Assert.Equal(expected, editor.CanRemoveInstance(component));
}
[Fact]
public void CollectionEditor_CanSelectMultipleInstances_Invoke_ReturnsFalse()
{
SubCollectionEditor editor = new(null);
Assert.True(editor.CanSelectMultipleInstances());
}
[Fact]
public void CollectionEditor_CreateCollectionForm_Invoke_Success()
{
SubCollectionEditor editor = new(typeof(List<int>));
Form form = editor.CreateCollectionForm();
Assert.NotSame(form, editor.CreateCollectionForm());
}
[Fact]
public void CollectionEditor_CreateCollectionForm_NullCollectionType_ThrowsArgumentNullException()
{
SubCollectionEditor editor = new(null);
Assert.Throws<ArgumentNullException>("type", editor.CreateCollectionForm);
}
[Theory]
[InlineData(typeof(object), typeof(object))]
[InlineData(typeof(int[]), typeof(object))]
[InlineData(typeof(IList<int>), typeof(int))]
[InlineData(typeof(ClassWithItem), typeof(int))]
[InlineData(typeof(ClassWithPrivateItem), typeof(object))]
[InlineData(typeof(ClassWithStaticItem), typeof(object))]
[InlineData(typeof(ClassWithItems), typeof(int))]
[InlineData(typeof(ClassWithPrivateItems), typeof(object))]
[InlineData(typeof(ClassWithStaticItems), typeof(object))]
public void CollectionEditor_CreateCollectionItemType_Invoke_ReturnsExpected(Type type, Type expected)
{
SubCollectionEditor editor = new(type);
Type itemType = editor.CreateCollectionItemType();
Assert.Equal(expected, itemType);
Assert.Same(itemType, editor.CreateCollectionItemType());
}
[Fact]
public void CollectionEditor_CreateCollectionItemType_NullType_ThrowsArgumentNullException()
{
SubCollectionEditor editor = new(null);
Assert.Throws<ArgumentNullException>("type", editor.CreateCollectionItemType);
}
public static IEnumerable<object[]> InvalidDesignerHost_TestData()
{
yield return new object[] { null };
yield return new object[] { new() };
}
[Theory]
[MemberData(nameof(InvalidDesignerHost_TestData))]
public void CollectionEditor_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);
Assert.IsType<Component>(editor.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 CollectionEditor_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);
Assert.Same(result, editor.CreateInstance(typeof(Component)));
}
[Theory]
[MemberData(nameof(CreateInstance_HostDesigner_TestData))]
public void CollectionEditor_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);
Assert.IsType<Component>(editor.CreateInstance(typeof(Component)));
}
[Fact]
public void CollectionEditor_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);
Assert.Same(result, editor.CreateInstance(typeof(Component)));
mockComponentInitializer.Verify(d => d.InitializeNewComponent(null), Times.Once());
}
public static IEnumerable<object[]> CreateInstance_InvokeWithoutContext_TestData()
{
yield return new object[] { typeof(int), 0 };
yield return new object[] { typeof(string), string.Empty };
}
[Theory]
[MemberData(nameof(CreateInstance_InvokeWithoutContext_TestData))]
public void CollectionEditor_CreateInstance_InvokeWithoutContext_ReturnsExpected(Type type, object expected)
{
SubCollectionEditor editor = new(null);
Assert.Equal(expected, editor.CreateInstance(type));
}
[Fact]
public void CollectionEditor_CreateInstance_NullItemType_ThrowsArgumentNullException()
{
SubCollectionEditor editor = new(null);
Assert.Throws<ArgumentNullException>("itemType", () => editor.CreateInstance(null));
}
[Theory]
[InlineData(typeof(object), new Type[] { typeof(object) })]
[InlineData(typeof(int[]), new Type[] { typeof(object) })]
[InlineData(typeof(IList<int>), new Type[] { typeof(int) })]
[InlineData(typeof(ClassWithItem), new Type[] { typeof(int) })]
[InlineData(typeof(ClassWithPrivateItem), new Type[] { typeof(object) })]
[InlineData(typeof(ClassWithStaticItem), new Type[] { typeof(object) })]
[InlineData(typeof(ClassWithItems), new Type[] { typeof(int) })]
[InlineData(typeof(ClassWithPrivateItems), new Type[] { typeof(object) })]
[InlineData(typeof(ClassWithStaticItems), new Type[] { typeof(object) })]
public void CollectionEditor_CreateNewItemTypes_Invoke_ReturnsExpected(Type type, Type[] expected)
{
SubCollectionEditor editor = new(type);
Type[] itemTypes = editor.CreateNewItemTypes();
Assert.Equal(expected, itemTypes);
Assert.NotSame(itemTypes, editor.CreateNewItemTypes());
}
[Fact]
public void CollectionEditor_CreateNewItemTypes_NullType_ThrowsArgumentNullException()
{
SubCollectionEditor editor = new(null);
Assert.Throws<ArgumentNullException>("type", editor.CreateNewItemTypes);
}
public static IEnumerable<object[]> DestroyInstance_NormalObject_TestData()
{
yield return new object[] { null };
yield return new object[] { new() };
}
[Theory]
[MemberData(nameof(DestroyInstance_NormalObject_TestData))]
public void CollectionEditor_DestroyInstance_NormalObject_Nop(object instance)
{
SubCollectionEditor editor = new(null);
editor.DestroyInstance(instance);
}
[Theory]
[MemberData(nameof(InvalidDesignerHost_TestData))]
public void CollectionEditor_DestroyInstance_WithContextWithInvalidDesignerHot_CallsDispose(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);
Mock<IComponent> mockComponent = new(MockBehavior.Strict);
mockComponent
.Setup(c => c.Dispose())
.Verifiable();
editor.DestroyInstance(mockComponent.Object);
mockComponent.Verify(c => c.Dispose(), Times.Once());
}
[Fact]
public void CollectionEditor_DestroyInstance_WithContextWithInvalidHost_CallsDestroyComponent()
{
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<IComponent> mockComponent = new(MockBehavior.Strict);
mockComponent
.Setup(c => c.Dispose())
.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.DestroyComponent(mockComponent.Object))
.Verifiable();
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);
editor.DestroyInstance(mockComponent.Object);
mockComponent.Verify(c => c.Dispose(), Times.Never());
mockHost.Verify(c => c.DestroyComponent(mockComponent.Object), Times.Once());
}
[Fact]
public void CollectionEditor_DestroyInstance_IComponentWithoutHost_CallsDispose()
{
Mock<IComponent> mockComponent = new(MockBehavior.Strict);
mockComponent
.Setup(c => c.Dispose())
.Verifiable();
SubCollectionEditor editor = new(null);
editor.DestroyInstance(mockComponent.Object);
mockComponent.Verify(c => c.Dispose(), Times.Once());
}
[Fact]
public void CollectionEditor_DestroyInstance_IDisposable_CallsDispose()
{
Mock<IDisposable> mockDisposable = new(MockBehavior.Strict);
mockDisposable
.Setup(d => d.Dispose())
.Verifiable();
SubCollectionEditor editor = new(null);
editor.DestroyInstance(mockDisposable.Object);
mockDisposable.Verify(d => d.Dispose(), Times.Once());
}
[Theory]
[MemberData(nameof(InvalidDesignerHost_TestData))]
public void CollectionEditor_EditValue_ValidProviderInvalidHost_ReturnsValue(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);
mockEditorService.Verify(s => s.ShowDialog(It.IsAny<Form>()), Times.Once());
}
[Theory]
[MemberData(nameof(InvalidDesignerHost_TestData))]
public void CollectionEditor_EditValue_ValidProviderValidHost_ReturnsValue(object changeService)
{
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(changeService);
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(changeService);
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);
mockEditorService.Verify(s => s.ShowDialog(It.IsAny<Form>()), Times.Once());
}
[Fact]
public void CollectionEditor_EditValue_ValidProviderValidHostWithTransactionOK_CallsOnCommit()
{
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<DesignerTransaction> mockTransaction = new(MockBehavior.Strict);
mockTransaction
.Protected()
.Setup("OnCommit")
.Verifiable();
Mock<IDesignerHost> mockHost = new(MockBehavior.Strict);
mockHost
.Setup(h => h.CreateTransaction("Add or remove Int32 objects"))
.Returns(mockTransaction.Object);
mockHost
.Setup(c => c.GetService(typeof(IComponentChangeService)))
.Returns(null);
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);
mockEditorService.Verify(s => s.ShowDialog(It.IsAny<Form>()), Times.Once());
mockTransaction.Protected().Verify("OnCommit", Times.Once());
}
[Fact]
public void CollectionEditor_EditValue_ValidProviderValidHostWithTransactionNotOK_CallsOnCancel()
{
Mock<IWindowsFormsEditorService> mockEditorService = new(MockBehavior.Strict);
mockEditorService
.Setup(s => s.ShowDialog(It.IsAny<Form>()))
.Returns(DialogResult.Cancel);
Mock<IServiceProvider> mockServiceProvider = new(MockBehavior.Strict);
mockServiceProvider
.Setup(p => p.GetService(typeof(IWindowsFormsEditorService)))
.Returns(mockEditorService.Object);
Mock<DesignerTransaction> mockTransaction = new(MockBehavior.Strict);
mockTransaction
.Protected()
.Setup("OnCancel")
.Verifiable();
Mock<IDesignerHost> mockHost = new(MockBehavior.Strict);
mockHost
.Setup(h => h.CreateTransaction("Add or remove Int32 objects"))
.Returns(mockTransaction.Object);
mockHost
.Setup(c => c.GetService(typeof(IComponentChangeService)))
.Returns(null);
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);
mockEditorService.Verify(s => s.ShowDialog(It.IsAny<Form>()), Times.Once());
mockTransaction.Protected().Verify("OnCancel", Times.Once());
}
[Fact]
public void CollectionEditor_EditValue_ValidProviderValidHostWithIComponentChangeService_ReturnsValue()
{
Mock<IWindowsFormsEditorService> mockEditorService = new(MockBehavior.Strict);
mockEditorService
.Setup(s => s.ShowDialog(It.IsAny<Form>()))
.Returns(DialogResult.OK);
Mock<IComponentChangeService> mockChangeService = new(MockBehavior.Strict);
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(mockChangeService.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(mockChangeService.Object);
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);
mockEditorService.Verify(s => s.ShowDialog(It.IsAny<Form>()), Times.Once());
}
[Fact]
public void CollectionEditor_EditValue_NullType_ThrowsArgumentNullException()
{
Mock<IWindowsFormsEditorService> mockEditorService = new(MockBehavior.Strict);
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((IDesignerHost)null);
mockContext
.Setup(c => c.GetService(typeof(AmbientProperties)))
.Returns(null);
SubCollectionEditor editor = new(null);
object value = new();
Assert.Throws<ArgumentNullException>("type", () => editor.EditValue(mockContext.Object, mockServiceProvider.Object, value));
}
[Theory]
[CommonMemberData(typeof(CommonTestHelperEx), nameof(CommonTestHelperEx.GetEditValueInvalidProviderTestData))]
public void CollectionEditor_EditValue_InvalidProvider_ReturnsValue(IServiceProvider provider, object value)
{
SubCollectionEditor editor = new(null);
Assert.Same(value, editor.EditValue(null, provider, value));
Assert.Null(editor.Context);
}
[Theory]
[CommonMemberData(typeof(CommonTestHelperEx), nameof(CommonTestHelperEx.GetITypeDescriptorContextTestData))]
public void CollectionEditor_GetEditStyle_Invoke_ReturnsModal(ITypeDescriptorContext context)
{
CollectionEditor editor = new(null);
Assert.Equal(UITypeEditorEditStyle.Modal, editor.GetEditStyle(context));
}
[Theory]
[CommonMemberData(typeof(CommonTestHelperEx), nameof(CommonTestHelperEx.GetITypeDescriptorContextTestData))]
public void CollectionEditor_GetPaintValueSupported_Invoke_ReturnsFalse(ITypeDescriptorContext context)
{
CollectionEditor editor = new(null);
Assert.False(editor.GetPaintValueSupported(context));
}
public static IEnumerable<object[]> GetDisplayText_TestData()
{
yield return new object[] { null, null, string.Empty };
yield return new object[] { null, string.Empty, "String" };
yield return new object[] { null, "string", "string" };
yield return new object[] { null, new ClassWithStringName { Name = "CustomName" }, "CustomName" };
yield return new object[] { null, new ClassWithStringName { Name = string.Empty }, "ClassWithStringName" };
yield return new object[] { null, new ClassWithStringName { Name = null }, "ClassWithStringName" };
yield return new object[] { null, new ClassWithNonStringName { Name = 1 }, "ClassWithNonStringName" };
yield return new object[] { null, new ClassWithNullToString(), "ClassWithNullToString" };
yield return new object[] { typeof(int), null, string.Empty };
yield return new object[] { typeof(int), "", "String" };
yield return new object[] { typeof(int), "value", "value" };
yield return new object[] { typeof(int), 1, "1" };
yield return new object[] { typeof(int), new ClassWithStringDefaultProperty { DefaultProperty = "CustomName" }, "ClassWithStringDefaultProperty" };
yield return new object[] { typeof(ClassWithStringDefaultProperty), null, string.Empty };
yield return new object[] { typeof(ClassWithStringDefaultProperty), new ClassWithStringDefaultProperty { DefaultProperty = "CustomName" }, "CustomName" };
yield return new object[] { typeof(ClassWithStringDefaultProperty), new ClassWithStringDefaultProperty { DefaultProperty = string.Empty }, "ClassWithStringDefaultProperty" };
yield return new object[] { typeof(ClassWithStringDefaultProperty), new ClassWithStringDefaultProperty { DefaultProperty = null }, "ClassWithStringDefaultProperty" };
yield return new object[] { typeof(ClassWithNonStringDefaultProperty), new ClassWithNonStringDefaultProperty { DefaultProperty = 1 }, "ClassWithNonStringDefaultProperty" };
yield return new object[] { typeof(ClassWithNoSuchDefaultProperty), new ClassWithNoSuchDefaultProperty { DefaultProperty = "CustomName" }, "ClassWithNoSuchDefaultProperty" };
yield return new object[] { typeof(List<ClassWithStringDefaultProperty>), new ClassWithStringDefaultProperty { DefaultProperty = "CustomName" }, "ClassWithStringDefaultProperty" };
}
[Theory]
[MemberData(nameof(GetDisplayText_TestData))]
public void CollectionEditor_GetDisplayText_Invoke_ReturnsExpected(Type type, object value, string expected)
{
SubCollectionEditor editor = new(type);
Assert.Equal(expected, editor.GetDisplayText(value));
}
[Fact]
public void CollectionEditor_GetDisplayText_ValueDoesNotMatchCollectionType_ThrowsTargetException()
{
SubCollectionEditor editor = new(typeof(ClassWithStringDefaultProperty));
TargetInvocationException ex = Assert.Throws<TargetInvocationException>(() => editor.GetDisplayText(new ClassWithNonStringDefaultProperty()));
Assert.IsType<TargetException>(ex.InnerException);
}
public static IEnumerable<object[]> GetItems_TestData()
{
yield return new object[] { null, Array.Empty<object>() };
yield return new object[] { new(), Array.Empty<object>() };
yield return new object[] { new int[] { 1, 2, 3 }, new object[] { 1, 2, 3, } };
yield return new object[] { new ArrayList { 1, 2, 3 }, new object[] { 1, 2, 3, } };
}
[Theory]
[MemberData(nameof(GetItems_TestData))]
public void CollectionEditor_GetItems_Invoke_ReturnsExpected(object editValue, object[] expected)
{
SubCollectionEditor editor = new(null);
object[] items = editor.GetItems(editValue);
Assert.Equal(expected, items);
Assert.IsType(expected.GetType(), items);
Assert.NotSame(editValue, items);
}
[Theory]
[CommonMemberData(typeof(CommonTestHelperEx), nameof(CommonTestHelperEx.GetTypeWithNullTheoryData))]
public void CollectionEditor_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);
Assert.Same(result, editor.GetService(serviceType));
}
[Theory]
[CommonMemberData(typeof(CommonTestHelperEx), nameof(CommonTestHelperEx.GetTypeWithNullTheoryData))]
public void CollectionEditor_GetService_InvokeWithoutContext_ReturnsNull(Type serviceType)
{
SubCollectionEditor editor = new(serviceType);
Assert.Null(editor.GetService(serviceType));
}
public static IEnumerable<object[]> GetObjectsFromInstance_TestData()
{
yield return new object[] { null };
yield return new object[] { new() };
}
[Theory]
[MemberData(nameof(GetObjectsFromInstance_TestData))]
public void CollectionEditor_GetObjectsFromInstance_Invoke_ReturnsExpected(object instance)
{
SubCollectionEditor editor = new(null);
IList objects = editor.GetObjectsFromInstance(instance);
Assert.Equal(new object[] { instance }, objects);
Assert.IsType<ArrayList>(objects);
Assert.NotSame(objects, editor.GetObjectsFromInstance(instance));
}
public static IEnumerable<object[]> SetItems_TestData()
{
yield return new object[] { null, new object[] { 1, 2, 3 }, null };
yield return new object[] { null, Array.Empty<object>(), null };
yield return new object[] { null, null, null };
object o = new();
yield return new object[] { o, new object[] { 1, 2, 3 }, o };
yield return new object[] { o, Array.Empty<object>(), o };
yield return new object[] { o, null, o };
yield return new object[] { new int[] { 1, 2, 3 }, Array.Empty<object>(), new object[] { 0, 0, 0 } };
yield return new object[] { new int[] { 1, 2, 3 }, null, new object[] { 0, 0, 0 } };
yield return new object[] { new ArrayList { 1, 2, 3 }, new object[] { 1 }, new object[] { 1 } };
yield return new object[] { new ArrayList { 1, 2, 3 }, Array.Empty<object>(), Array.Empty<object>() };
yield return new object[] { new ArrayList { 1, 2, 3 }, null, Array.Empty<object>() };
}
[Theory]
[MemberData(nameof(SetItems_TestData))]
public void CollectionEditor_SetItems_Invoke_ReturnsExpected(object editValue, object[] value, object expected)
{
SubCollectionEditor editor = new(null);
object items = editor.SetItems(editValue, value);
Assert.Equal(expected, items);
Assert.Same(editValue, items);
}
[Fact]
public void CollectionEditor_SetItems_InvokeArray_ThrowsNotSupportedException()
{
SubCollectionEditor editor = new(null);
Assert.Throws<NotSupportedException>(() => editor.SetItems(new object[1], new object[1]));
}
[Fact]
public void CollectionEditor_ShowHelp_NoContext_Nop()
{
SubCollectionEditor editor = new(typeof(List<int>));
editor.ShowHelp();
}
[Fact]
public void CollectionEditor_ShowHelp_ValidDesignerHost_CallsShowHelpFromKeyword()
{
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<IHelpService> mockHelpService = new(MockBehavior.Strict);
mockHelpService
.Setup(s => s.ShowHelpFromKeyword("net.ComponentModel.CollectionEditor"))
.Verifiable();
Mock<ITypeDescriptorContext> mockContext = new(MockBehavior.Strict);
mockContext
.Setup(c => c.GetService(typeof(IDesignerHost)))
.Returns(null);
mockContext
.Setup(c => c.GetService(typeof(IHelpService)))
.Returns(mockHelpService.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);
editor.ShowHelp();
mockHelpService.Verify(s => s.ShowHelpFromKeyword("net.ComponentModel.CollectionEditor"), Times.Once());
}
[Theory]
[MemberData(nameof(InvalidDesignerHost_TestData))]
public void CollectionEditor_ShowHelp_InvalidHelpService_Nop(object helpService)
{
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(IHelpService)))
.Returns(helpService);
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);
editor.ShowHelp();
}
private class SubCollectionEditor : CollectionEditor
{
public SubCollectionEditor(Type type) : base(type)
{
}
public new Type CollectionItemType => base.CollectionItemType;
public new Type CollectionType => base.CollectionType;
public new ITypeDescriptorContext Context => base.Context;
public new string HelpTopic => base.HelpTopic;
public new Type[] NewItemTypes => base.NewItemTypes;
public new void CancelChanges() => base.CancelChanges();
public new bool CanRemoveInstance(object value) => base.CanRemoveInstance(value);
public new bool CanSelectMultipleInstances() => base.CanSelectMultipleInstances();
public new Form CreateCollectionForm() => base.CreateCollectionForm();
public new Type CreateCollectionItemType() => base.CreateCollectionItemType();
public new object CreateInstance(Type itemType) => base.CreateInstance(itemType);
public new Type[] CreateNewItemTypes() => base.CreateNewItemTypes();
public new void DestroyInstance(object instance) => base.DestroyInstance(instance);
public new string GetDisplayText(object value) => base.GetDisplayText(value);
public new object[] GetItems(object editValue) => base.GetItems(editValue);
public new object GetService(Type serviceType) => base.GetService(serviceType);
public new IList GetObjectsFromInstance(object instance) => base.GetObjectsFromInstance(instance);
public new object SetItems(object editValue, object[] value) => base.SetItems(editValue, value);
public new void ShowHelp() => base.ShowHelp();
}
private class ClassWithItem
{
public int Item { get; set; }
}
private class ClassWithPrivateItem
{
#pragma warning disable IDE0051 // Remove unused private members
private int Item { get; set; }
#pragma warning restore IDE0051
}
#pragma warning disable CA1052 // Static holder types should be Static or NotInheritable
private class ClassWithStaticItem
#pragma warning restore CA1052 // Static holder types should be Static or NotInheritable
{
public static int Item { get; set; }
}
private class ClassWithItems
{
public int Items { get; set; }
}
private class ClassWithPrivateItems
{
#pragma warning disable IDE0051 // Remove unused private members
private int Items { get; set; }
#pragma warning restore IDE0051
}
#pragma warning disable CA1052 // Static holder types should be Static or NotInheritable
private class ClassWithStaticItems
#pragma warning restore CA1052 // Static holder types should be Static or NotInheritable
{
public static int Items { get; set; }
}
private class ClassWithStringName
{
public string Name { get; set; }
public override string ToString() => nameof(ClassWithStringName);
}
private class ClassWithNonStringName
{
public int Name { get; set; }
public override string ToString() => nameof(ClassWithNonStringName);
}
private class ClassWithNullToString
{
public int Name { get; set; }
public override string ToString() => null;
}
[DefaultProperty(nameof(DefaultProperty))]
private class ClassWithStringDefaultProperty
{
public string DefaultProperty { get; set; }
public override string ToString() => nameof(ClassWithStringDefaultProperty);
}
[DefaultProperty(nameof(DefaultProperty))]
private class ClassWithNonStringDefaultProperty
{
public int DefaultProperty { get; set; }
public override string ToString() => nameof(ClassWithNonStringDefaultProperty);
}
[DefaultProperty("NoSuchProperty")]
private class ClassWithNoSuchDefaultProperty
{
public string DefaultProperty { get; set; }
public override string ToString() => nameof(ClassWithNoSuchDefaultProperty);
}
}
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