public void CanBindResolvesExternalBindings() { JoinedDataSet dataSet = new JoinedDataSet(); DataSource dataSet1 = new DataSource(""); dataSet1.AddIndexAlias("path", 1); dataSet1.AddDataSet(new ItemSequenceDataSet(EmptyArray<IDataItem>.Instance, 3)); IDataSet dataSet2 = new ItemSequenceDataSet(EmptyArray<IDataItem>.Instance, 2); dataSet.AddDataSet(dataSet1); dataSet.AddDataSet(dataSet2); Assert.IsFalse(dataSet.CanBind(new DataBinding(null, null)), "Cannot bind because there is no path or index."); Assert.IsFalse(dataSet.CanBind(new DataBinding(5, null)), "Cannot bind because index 5 is beyond the range of columns in the joined data set."); Assert.IsTrue(dataSet.CanBind(new DataBinding(4, null)), "Can bind because index 4 is within the range of columns in the joined data set."); Assert.IsTrue(dataSet.CanBind(new DataBinding(0, null)), "Can bind because index 0 is within the range of columns in the joined data set."); Assert.IsTrue(dataSet.CanBind(new DataBinding(null, "path")), "Can bind because path is supported by one of the data sets."); }
public void CanBindResolvesScopedBindings() { JoinedDataSet dataSet = new JoinedDataSet(); DataSource dataSet1 = new DataSource(""); dataSet1.AddIndexAlias("path", 1); dataSet1.AddDataSet(new ItemSequenceDataSet(EmptyArray<IDataItem>.Instance, 3)); IDataSet dataSet2 = new ItemSequenceDataSet(EmptyArray<IDataItem>.Instance, 2); dataSet.AddDataSet(dataSet1); dataSet.AddDataSet(dataSet2); Assert.IsFalse(dataSet.CanBind(dataSet.TranslateBinding(dataSet1, new DataBinding(null, null))), "Cannot bind because there is no path or index in the translated binding."); Assert.IsFalse(dataSet.CanBind(dataSet.TranslateBinding(dataSet1, new DataBinding(3, null))), "Cannot bind because index 3 is beyond the range of columns in the scoped data set."); Assert.IsFalse(dataSet.CanBind(dataSet.TranslateBinding(dataSet2, new DataBinding(2, null))), "Cannot bind because index 2 is beyond the range of columns in the scoped data set."); Assert.IsTrue(dataSet.CanBind(dataSet.TranslateBinding(dataSet2, new DataBinding(1, null))), "Can bind because index 1 is within the range of columns in the scoped data set."); Assert.IsTrue(dataSet.CanBind(dataSet.TranslateBinding(dataSet1, new DataBinding(null, "path"))), "Can bind because path is supported by one of the scoped data set."); Assert.IsFalse(dataSet.CanBind(dataSet.TranslateBinding(dataSet2, new DataBinding(null, "path"))), "Cannot bind because path is supported by one of the scoped data set."); }
public void CanBindReturnsFalseIfThereAreNoDataSets() { JoinedDataSet dataSet = new JoinedDataSet(); Assert.IsFalse(dataSet.CanBind(new DataBinding(0, null)), "Cannot bind because there are no data sets."); }