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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;
namespace System.Windows.Forms.Tests;
public class DataGridViewSelectedRowCollectionTests
{
[WinFormsFact]
public void DataGridViewSelectedRowCollection_Properties_GetEmpty_ReturnsExpected()
{
using DataGridView control = new();
DataGridViewSelectedRowCollection collection = control.SelectedRows;
Assert.Empty(collection);
Assert.False(collection.IsReadOnly);
Assert.False(collection.IsSynchronized);
Assert.Same(collection, collection.SyncRoot);
}
[WinFormsFact]
public void DataGridViewSelectedRowCollection_Properties_GetNotEmpty_ReturnsExpected()
{
using DataGridView control = new()
{
ColumnCount = 1,
RowCount = 3
};
control.Rows[0].Selected = true;
control.Rows[1].Selected = false;
control.Rows[2].Selected = true;
DataGridViewSelectedRowCollection collection = control.SelectedRows;
Assert.Equal(2, collection.Count);
Assert.False(collection.IsReadOnly);
Assert.False(collection.IsSynchronized);
Assert.Same(collection, collection.SyncRoot);
}
[WinFormsFact]
public void DataGridViewSelectedRowCollection_Item_GetNotEmpty_ReturnsExpected()
{
using DataGridView control = new()
{
ColumnCount = 1,
RowCount = 3
};
control.Rows[0].Selected = true;
control.Rows[1].Selected = false;
control.Rows[2].Selected = true;
DataGridViewSelectedRowCollection collection = control.SelectedRows;
Assert.Equal(control.Rows[2], collection[0]);
Assert.Equal(control.Rows[0], collection[1]);
}
[WinFormsTheory]
[InlineData(-1)]
[InlineData(0)]
[InlineData(1)]
public void DataGridViewSelectedRowCollection_Item_GetInvalidIndexEmpty_ThrowsArgumentOutOfRangeException(int index)
{
using DataGridView control = new();
DataGridViewSelectedRowCollection collection = control.SelectedRows;
Assert.Throws<ArgumentOutOfRangeException>("index", () => collection[index]);
}
[WinFormsTheory]
[InlineData(-1)]
[InlineData(2)]
public void DataGridViewSelectedRowCollection_Item_GetInvalidIndexNotEmpty_ThrowsArgumentOutOfRangeException(int index)
{
using DataGridView control = new()
{
ColumnCount = 1,
RowCount = 3
};
control.Rows[0].Selected = true;
control.Rows[1].Selected = false;
control.Rows[2].Selected = true;
DataGridViewSelectedRowCollection collection = control.SelectedRows;
Assert.Throws<ArgumentOutOfRangeException>("index", () => collection[index]);
}
[WinFormsFact]
public void DataGridViewSelectedRowCollection_Clear_Invoke_ThrowsNotSupportedException()
{
using DataGridView control = new();
DataGridViewSelectedRowCollection collection = control.SelectedRows;
Assert.Throws<NotSupportedException>(collection.Clear);
}
[WinFormsFact]
public void DataGridViewSelectedRowCollection_Contains_InvokeNotEmpty_ReturnsExpected()
{
using DataGridView control = new()
{
ColumnCount = 1,
RowCount = 3
};
control.Rows[0].Selected = true;
control.Rows[1].Selected = false;
control.Rows[2].Selected = true;
DataGridViewSelectedRowCollection collection = control.SelectedRows;
Assert.True(collection.Contains(control.Rows[0]));
Assert.False(collection.Contains(control.Rows[1]));
Assert.True(collection.Contains(control.Rows[2]));
Assert.False(collection.Contains(new DataGridViewRow()));
Assert.False(collection.Contains(null));
}
public static IEnumerable<object[]> Contains_TestData()
{
yield return new object[] { null };
yield return new object[] { new DataGridViewRow() };
}
[WinFormsTheory]
[MemberData(nameof(Contains_TestData))]
public void DataGridViewSelectedRowCollection_Contains_InvokeEmpty_ReturnsFalse(DataGridViewRow dataGridViewRow)
{
using DataGridView control = new();
DataGridViewSelectedRowCollection collection = control.SelectedRows;
Assert.False(collection.Contains(dataGridViewRow));
}
[WinFormsFact]
public void DataGridViewSelectedRowCollection_CopyTo_InvokeEmpty_Success()
{
using DataGridView control = new();
DataGridViewSelectedRowCollection collection = control.SelectedRows;
object[] array = [1, 2, 3];
collection.CopyTo(array, 1);
Assert.Equal([1, 2, 3], array);
}
[WinFormsFact]
public void DataGridViewSelectedRowCollection_CopyTo_InvokeNotEmpty_ReturnsExpected()
{
using DataGridView control = new()
{
ColumnCount = 1,
RowCount = 3
};
control.Rows[0].Selected = true;
control.Rows[1].Selected = false;
control.Rows[2].Selected = true;
DataGridViewSelectedRowCollection collection = control.SelectedRows;
object[] array = [1, 2, 3];
collection.CopyTo(array, 1);
Assert.Equal([1, control.Rows[2], control.Rows[0]], array);
}
public static IEnumerable<object[]> Insert_TestData()
{
foreach (int index in new int[] { -1, 0, 1 })
{
yield return new object[] { index, null };
yield return new object[] { index, new DataGridViewRow() };
}
}
[WinFormsTheory]
[MemberData(nameof(Insert_TestData))]
public void DataGridViewSelectedRowCollection_Insert_Invoke_ThrowsNotSupportedException(int index, DataGridViewRow dataGridRow)
{
using DataGridView control = new();
DataGridViewSelectedRowCollection collection = control.SelectedRows;
Assert.Throws<NotSupportedException>(() => collection.Insert(index, dataGridRow));
}
[WinFormsFact]
public void DataGridViewSelectedRowCollection_IListProperties_GetEmpty_ReturnsExpected()
{
using DataGridView control = new();
DataGridViewSelectedRowCollection collection = control.SelectedRows;
IList iList = collection;
Assert.Empty(iList);
Assert.True(iList.IsFixedSize);
Assert.True(iList.IsReadOnly);
Assert.False(iList.IsSynchronized);
Assert.Same(collection, iList.SyncRoot);
}
[WinFormsFact]
public void DataGridViewSelectedRowCollection_IListProperties_GetNotEmpty_ReturnsExpected()
{
using DataGridView control = new()
{
ColumnCount = 1,
RowCount = 3
};
control.Rows[0].Selected = true;
control.Rows[1].Selected = false;
control.Rows[2].Selected = true;
DataGridViewSelectedRowCollection collection = control.SelectedRows;
IList iList = collection;
Assert.Equal(2, iList.Count);
Assert.True(iList.IsFixedSize);
Assert.True(iList.IsReadOnly);
Assert.False(iList.IsSynchronized);
Assert.Same(collection, iList.SyncRoot);
}
[WinFormsFact]
public void DataGridViewSelectedRowCollection_IListItem_GetNotEmpty_ReturnsExpected()
{
using DataGridView control = new()
{
ColumnCount = 1,
RowCount = 3
};
control.Rows[0].Selected = true;
control.Rows[1].Selected = false;
control.Rows[2].Selected = true;
DataGridViewSelectedRowCollection collection = control.SelectedRows;
IList iList = collection;
Assert.Equal(control.Rows[2], iList[0]);
Assert.Equal(control.Rows[0], iList[1]);
}
[WinFormsTheory]
[InlineData(-1)]
[InlineData(0)]
[InlineData(1)]
public void DataGridViewSelectedRowCollection_IListItem_GetInvalidIndexEmpty_ThrowsArgumentOutOfRangeException(int index)
{
using DataGridView control = new();
DataGridViewSelectedRowCollection collection = control.SelectedRows;
IList iList = collection;
Assert.Throws<ArgumentOutOfRangeException>("index", () => iList[index]);
}
[WinFormsTheory]
[InlineData(-1)]
[InlineData(2)]
public void DataGridViewSelectedRowCollection_IListItem_GetInvalidIndexNotEmpty_ThrowsArgumentOutOfRangeException(int index)
{
using DataGridView control = new()
{
ColumnCount = 1,
RowCount = 3
};
control.Rows[0].Selected = true;
control.Rows[1].Selected = false;
control.Rows[2].Selected = true;
DataGridViewSelectedRowCollection collection = control.SelectedRows;
IList iList = collection;
Assert.Throws<ArgumentOutOfRangeException>("index", () => iList[index]);
}
public static IEnumerable<object[]> IListItem_SetTestData()
{
yield return new object[] { 0, null };
yield return new object[] { -1, new() };
yield return new object[] { 1, new DataGridViewRow() };
}
[WinFormsTheory]
[MemberData(nameof(IListItem_SetTestData))]
public void DataGridViewSelectedRowCollection_IListItem_Set_ThrowsNotSupportedException(int index, object value)
{
using DataGridView control = new();
DataGridViewSelectedRowCollection collection = control.SelectedRows;
IList iList = collection;
Assert.Throws<NotSupportedException>(() => iList[index] = value);
}
public static IEnumerable<object[]> IListAdd_TestData()
{
yield return new object[] { null };
yield return new object[] { new() };
yield return new object[] { new DataGridViewRow() };
}
[WinFormsTheory]
[MemberData(nameof(IListAdd_TestData))]
public void DataGridViewSelectedRowCollection_IListAdd_Invoke_ThrowsNotSupportedException(object value)
{
using DataGridView control = new();
DataGridViewSelectedRowCollection collection = control.SelectedRows;
IList iList = collection;
Assert.Throws<NotSupportedException>(() => iList.Add(value));
}
[WinFormsFact]
public void DataGridViewSelectedRowCollection_IListClear_Invoke_ThrowsNotSupportedException()
{
using DataGridView control = new();
DataGridViewSelectedRowCollection collection = control.SelectedRows;
IList iList = collection;
Assert.Throws<NotSupportedException>(iList.Clear);
}
[WinFormsFact]
public void DataGridViewSelectedRowCollection_IListCopyTo_InvokeEmpty_Success()
{
using DataGridView control = new();
DataGridViewSelectedRowCollection collection = control.SelectedRows;
IList iList = collection;
object[] array = [1, 2, 3];
iList.CopyTo(array, 1);
Assert.Equal([1, 2, 3], array);
}
[WinFormsFact]
public void DataGridViewSelectedRowCollection_IListCopyTo_InvokeNotEmpty_ReturnsExpected()
{
using DataGridView control = new()
{
ColumnCount = 1,
RowCount = 3
};
control.Rows[0].Selected = true;
control.Rows[1].Selected = false;
control.Rows[2].Selected = true;
DataGridViewSelectedRowCollection collection = control.SelectedRows;
IList iList = collection;
object[] array = [1, 2, 3];
iList.CopyTo(array, 1);
Assert.Equal([1, control.Rows[2], control.Rows[0]], array);
}
public static IEnumerable<object[]> IListContains_TestData()
{
yield return new object[] { null };
yield return new object[] { new() };
yield return new object[] { new DataGridViewRow() };
}
[WinFormsTheory]
[MemberData(nameof(IListContains_TestData))]
public void DataGridViewSelectedRowCollection_IListContains_InvokeEmpty_ReturnsFalse(object value)
{
using DataGridView control = new();
DataGridViewSelectedRowCollection collection = control.SelectedRows;
IList iList = collection;
Assert.False(iList.Contains(value));
}
[WinFormsFact]
public void DataGridViewSelectedRowCollection_IListContains_InvokeNotEmpty_ReturnsExpected()
{
using DataGridView control = new()
{
ColumnCount = 1,
RowCount = 3
};
control.Rows[0].Selected = true;
control.Rows[1].Selected = false;
control.Rows[2].Selected = true;
DataGridViewSelectedRowCollection collection = control.SelectedRows;
IList iList = collection;
Assert.True(iList.Contains(control.Rows[0]));
Assert.False(iList.Contains(control.Rows[1]));
Assert.True(iList.Contains(control.Rows[2]));
Assert.False(iList.Contains(new DataGridViewRow()));
Assert.False(iList.Contains(null));
}
[WinFormsFact]
public void DataGridViewSelectedRowCollection_IListGetEnumerator_InvokeEmpty_Success()
{
using DataGridView control = new();
DataGridViewSelectedRowCollection collection = control.SelectedRows;
IList iList = collection;
IEnumerator enumerator = iList.GetEnumerator();
for (int i = 0; i < 2; i++)
{
Assert.Throws<InvalidOperationException>(() => enumerator.Current);
Assert.False(enumerator.MoveNext());
Assert.Throws<InvalidOperationException>(() => enumerator.Current);
enumerator.Reset();
Assert.Throws<InvalidOperationException>(() => enumerator.Current);
}
}
[WinFormsFact]
public void DataGridViewSelectedRowCollection_IListGetEnumerator_InvokeNotEmpty_Success()
{
using DataGridView control = new()
{
ColumnCount = 1,
RowCount = 3
};
control.Rows[0].Selected = true;
control.Rows[1].Selected = false;
control.Rows[2].Selected = true;
DataGridViewSelectedRowCollection collection = control.SelectedRows;
IList iList = collection;
IEnumerator enumerator = iList.GetEnumerator();
for (int i = 0; i < 2; i++)
{
Assert.Throws<InvalidOperationException>(() => enumerator.Current);
Assert.True(enumerator.MoveNext());
Assert.Same(control.Rows[2], enumerator.Current);
Assert.True(enumerator.MoveNext());
Assert.Same(control.Rows[0], enumerator.Current);
Assert.False(enumerator.MoveNext());
Assert.Throws<InvalidOperationException>(() => enumerator.Current);
enumerator.Reset();
Assert.Throws<InvalidOperationException>(() => enumerator.Current);
}
}
public static IEnumerable<object[]> IListIndexOf_TestData()
{
yield return new object[] { null };
yield return new object[] { new() };
yield return new object[] { new DataGridViewRow() };
}
[WinFormsTheory]
[MemberData(nameof(IListIndexOf_TestData))]
public void DataGridViewSelectedRowCollection_IListIndexOf_InvokeEmpty_ReturnsMinusOne(object value)
{
using DataGridView control = new();
DataGridViewSelectedRowCollection collection = control.SelectedRows;
IList iList = collection;
Assert.Equal(-1, iList.IndexOf(value));
}
[WinFormsFact]
public void DataGridViewSelectedRowCollection_IListIndexOf_InvokeNotEmpty_ReturnsExpected()
{
using DataGridView control = new()
{
ColumnCount = 1,
RowCount = 3
};
control.Rows[0].Selected = true;
control.Rows[1].Selected = false;
control.Rows[2].Selected = true;
DataGridViewSelectedRowCollection collection = control.SelectedRows;
IList iList = collection;
Assert.Equal(1, iList.IndexOf(control.Rows[0]));
Assert.Equal(-1, iList.IndexOf(control.Rows[1]));
Assert.Equal(0, iList.IndexOf(control.Rows[2]));
Assert.Equal(-1, iList.IndexOf(new DataGridViewRow()));
Assert.Equal(-1, iList.IndexOf(null));
}
public static IEnumerable<object[]> IListInsert_TestData()
{
foreach (int index in new int[] { -1, 0, 1 })
{
yield return new object[] { index, null };
yield return new object[] { index, new() };
yield return new object[] { index, new DataGridViewRow() };
}
}
[WinFormsTheory]
[MemberData(nameof(IListInsert_TestData))]
public void DataGridViewSelectedRowCollection_IListInsert_Invoke_ThrowsNotSupportedException(int index, object value)
{
using DataGridView control = new();
DataGridViewSelectedRowCollection collection = control.SelectedRows;
IList iList = collection;
Assert.Throws<NotSupportedException>(() => iList.Insert(index, value));
}
public static IEnumerable<object[]> IListRemove_TestData()
{
yield return new object[] { null };
yield return new object[] { new() };
yield return new object[] { new DataGridViewRow() };
}
[WinFormsTheory]
[MemberData(nameof(IListRemove_TestData))]
public void DataGridViewSelectedRowCollection_IListRemove_Invoke_ThrowsNotSupportedException(object value)
{
using DataGridView control = new();
DataGridViewSelectedRowCollection collection = control.SelectedRows;
IList iList = collection;
Assert.Throws<NotSupportedException>(() => iList.Remove(value));
}
[WinFormsTheory]
[InlineData(-1)]
[InlineData(0)]
[InlineData(1)]
public void DataGridViewSelectedRowCollection_IListRemoveAt_Invoke_ThrowsNotSupportedException(int index)
{
using DataGridView control = new();
DataGridViewSelectedRowCollection collection = control.SelectedRows;
IList iList = collection;
Assert.Throws<NotSupportedException>(() => iList.RemoveAt(index));
}
}
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