public void BindingContext_Contains_NullDataSource_ThrowsArgumentNullException()
{
var context = new BindingContext();
Assert.Throws <ArgumentNullException>("dataSource", () => context.Contains(null));
Assert.Throws <ArgumentNullException>("dataSource", () => context.Contains(null, null));
Assert.Throws <ArgumentNullException>("dataSource", () => context.Contains(null, string.Empty));
}
public void CtorTest()
{
BindingContext bc = new BindingContext();
Assert.IsFalse(bc.IsReadOnly, "CT1");
Assert.IsFalse(bc.Contains(this), "CT2");
Assert.IsFalse(bc.Contains(this, String.Empty), "CT3");
Assert.IsFalse(bc.Contains(this, "Me is String"), "CT4");
// Test the ICollection interface
ICollection ic = (ICollection)bc;
Assert.AreEqual(ic.Count, 0, "CT5");
Assert.IsFalse(ic.IsSynchronized, "CT6");
Assert.IsNull(ic.SyncRoot, "CT7");
object [] arr = new object [] { "A", "B", "C" };
ic.CopyTo(arr, 0);
Assert.AreEqual(0, ic.Count, "CT8");
Assert.IsFalse(ic.GetEnumerator().MoveNext(), "CT9");
}
public void TestIndexerICurrencyManagerProvider()
{
BindingContext bc = new BindingContext();
BindingSource source = new BindingSource();
// This way the actual CurrencyManager instance is NOT added to
// BindingContext
CurrencyManager cm = (CurrencyManager)bc [source];
Assert.AreSame(cm, source.CurrencyManager, "A1");
Assert.AreEqual(false, bc.Contains(source), "A2");
Assert.AreEqual(0, ((ICollection)bc).Count, "A3");
}
public void BindingContext_Contains_DataSource_ReturnsExpected()
{
var context = new BindingContext();
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_Contains_DataSource_ReturnsExpected(BindingContext context, object dataSource, bool expected)
{
Assert.Equal(expected, context.Contains(dataSource));
Assert.Equal(expected, context.Contains(dataSource, null));
Assert.Equal(expected, context.Contains(dataSource, string.Empty));
}
public void BindingContext_Contains_DataSourceDataMember_ReturnsExpected(BindingContext context, object dataSource, string dataMember, bool expected)
{
Assert.Equal(expected, context.Contains(dataSource, dataMember));
}