public void BindingContext_RemoveCore_Invoke_Success()
{
var context = new SubBindingContext();
var source1 = new BindingSource();
var dataSource1 = new DataSource();
var source2 = new BindingSource();
var dataSource2 = new DataSource();
context.Add(dataSource1, source1.CurrencyManager);
context.Add(dataSource2, source2.CurrencyManager);
context.RemoveCore(dataSource1);
Assert.Single(context);
// Remove again.
context.RemoveCore(dataSource1);
Assert.Single(context);
context.RemoveCore(dataSource2);
Assert.Empty(context);
// Remove again.
context.RemoveCore(dataSource2);
Assert.Empty(context);
}
public void BindingContext_KeyEquals_Invoke_ReturnsExpected()
{
var context1 = new SubBindingContext();
var context2 = new SubBindingContext();
var context3 = new SubBindingContext();
var context4 = new SubBindingContext();
using var source1 = new BindingSource();
using var source2 = new BindingSource();
var dataSource1 = new DataSource();
var dataSource2 = new DataSource();
context1.Add(dataSource1, source1.CurrencyManager);
context2.Add(dataSource1, source1.CurrencyManager);
context3.Add(dataSource2, source1.CurrencyManager);
context4.Add(dataSource2, source2.CurrencyManager);
DictionaryEntry entry1 = Assert.IsType <DictionaryEntry>(Assert.Single(context1));
DictionaryEntry entry2 = Assert.IsType <DictionaryEntry>(Assert.Single(context2));
DictionaryEntry entry3 = Assert.IsType <DictionaryEntry>(Assert.Single(context3));
DictionaryEntry entry4 = Assert.IsType <DictionaryEntry>(Assert.Single(context3));
Assert.True(entry1.Key.Equals(entry1.Key));
Assert.True(entry1.Key.Equals(entry2.Key));
Assert.False(entry1.Key.Equals(entry3.Key));
Assert.False(entry1.Key.Equals(entry4.Key));
Assert.False(entry1.Key.Equals(new object()));
Assert.False(entry1.Key.Equals(null));
}
public void BindingContext_Add_InvokeMultiple_Success()
{
var context = new SubBindingContext();
using var source1 = new BindingSource();
using var source2 = new BindingSource();
var dataSource1 = new DataSource();
var dataSource2 = new DataSource();
context.Add(dataSource1, source1.CurrencyManager);
context.Add(dataSource2, source2.CurrencyManager);
Assert.Equal(2, ((ICollection)context).Count);
Assert.Same(source1.CurrencyManager, context[dataSource1]);
Assert.Same(source2.CurrencyManager, context[dataSource2]);
}
public void BindingContext_Add_NullDataSource_ThrowsArgumentNullException()
{
var context = new SubBindingContext();
using var source = new BindingSource();
Assert.Throws <ArgumentNullException>("dataSource", () => context.Add(null, source.CurrencyManager));
}
public void BindingContext_Item_GetWithAddedDataSourceWithDataMember_ThrowsArgumentException()
{
var context = new SubBindingContext();
using var source = new BindingSource();
var dataSource = new DataSource();
context.Add(dataSource, source.CurrencyManager);
Assert.Throws <ArgumentException>(null, () => context[dataSource, "Property"]);
}
public void BindingContext_Add_Invoke_GetReturnsExpected()
{
var context = new SubBindingContext();
using var source1 = new BindingSource();
using var source2 = new BindingSource();
var dataSource = new DataSource();
context.Add(dataSource, source1.CurrencyManager);
Assert.Single(context);
Assert.Same(source1.CurrencyManager, context[dataSource]);
Assert.Same(source1.CurrencyManager, context[dataSource, null]);
Assert.Same(source1.CurrencyManager, context[dataSource, string.Empty]);
// Set new value.
context.Add(dataSource, source2.CurrencyManager);
Assert.Single(context);
Assert.Same(source2.CurrencyManager, context[dataSource]);
Assert.Same(source2.CurrencyManager, context[dataSource, null]);
Assert.Same(source2.CurrencyManager, context[dataSource, string.Empty]);
}
public void BindingContext_ClearCore_NotEmpty_Success()
{
var context = new SubBindingContext();
var source = new BindingSource();
context.Add(new DataSource(), source.CurrencyManager);
// Clear again.
context.ClearCore();
Assert.Empty(context);
context.ClearCore();
Assert.Empty(context);
}
public void BindingContext_Contains_DataSource_ReturnsExpected()
{
var context = new SubBindingContext();
using var source = new BindingSource();
var dataSource = new DataSource();
context.Add(dataSource, source.CurrencyManager);
Assert.True(context.Contains(dataSource));
Assert.True(context.Contains(dataSource, null));
Assert.True(context.Contains(dataSource, string.Empty));
Assert.False(context.Contains(1));
Assert.False(context.Contains(1, null));
Assert.False(context.Contains(1, string.Empty));
}
public void BindingContext_CopyTo_Invoke_Success()
{
var context = new SubBindingContext();
using var source = new BindingSource();
var dataSource = new DataSource();
context.Add(dataSource, source.CurrencyManager);
var array = new object[] { 1, 2, 3 };
((ICollection)context).CopyTo(array, 1);
Assert.Equal(1, array[0]);
Assert.NotNull(Assert.IsType <DictionaryEntry>(array[1]).Key);
Assert.Equal(source.CurrencyManager, Assert.IsType <WeakReference>(Assert.IsType <DictionaryEntry>(array[1]).Value).Target);
Assert.Equal(3, array[2]);
}
public void BindingContext_Contains_DataSourceDataMember_ReturnsExpected()
{
var context = new SubBindingContext();
using var source = new BindingSource();
var dataSource1 = new DataSource();
var dataSource2 = new DataSource();
context.Add(dataSource1, source.CurrencyManager);
Assert.NotNull(context[dataSource2, "Property"]);
Assert.True(context.Contains(dataSource1, null));
Assert.True(context.Contains(dataSource1, string.Empty));
Assert.False(context.Contains(dataSource1, "Property"));
Assert.True(context.Contains(dataSource2, null));
Assert.True(context.Contains(dataSource2, string.Empty));
Assert.True(context.Contains(dataSource2, "Property"));
Assert.True(context.Contains(dataSource2, "property"));
Assert.False(context.Contains(dataSource2, "NoSuchProperty"));
Assert.False(context.Contains(1, "Property"));
}
public void BindingContext_Add_NullListManager_ThrowsArgumentNullException()
{
var context = new SubBindingContext();
Assert.Throws <ArgumentNullException>("listManager", () => context.Add(1, null));
}