public void testSetDataDisplay() {
SelectionModel<String> model = new SingleSelectionModel<String>();
DefaultSelectionEventManager<String> manager =
DefaultSelectionEventManager.createDefaultManager();
MockDataProvider<String> provider = new MockDataProvider<String>(null);
DefaultNodeInfo<String> nodeInfo =
new DefaultNodeInfo<String>(provider, new TextCell(), model, manager, null);
MockHasData<String> display = new MockHasData<String>();
display.setVisibleRange(0, 10);
display.clearLastRowDataAndRange();
assertEquals(0, display.getHandlerCount(CellPreviewEvent.getType()));
// setDataDisplay.
nodeInfo.setDataDisplay(display);
assertEquals(1, display.getHandlerCount(CellPreviewEvent.getType()));
provider.assertLastRangeChanged(display);
provider.clearLastRangeChanged();
display.setVisibleRange(0, 5);
provider.assertLastRangeChanged(display);
provider.clearLastRangeChanged();
// unsetDataDisplay.
nodeInfo.unsetDataDisplay();
assertEquals(0, display.getHandlerCount(CellPreviewEvent.getType()));
display.setVisibleRange(0, 5);
provider.assertLastRangeChanged(null);
}
public void testAccessors() {
ListDataProvider<String> provider = new ListDataProvider<String>();
TextCell cell = new TextCell();
SingleSelectionModel<String> selectionModel = new SingleSelectionModel<String>(null);
ValueUpdater<String> valueUpdater =
new ValueUpdater<String>() {
@Override
public void update(String value) {}
};
DefaultNodeInfo<String> nodeInfo =
new DefaultNodeInfo<String>(provider, cell, selectionModel, valueUpdater);
assertEquals(provider, nodeInfo.getProvidesKey());
assertEquals(cell, nodeInfo.getCell());
assertEquals(selectionModel, nodeInfo.getSelectionModel());
assertEquals(valueUpdater, nodeInfo.getValueUpdater());
}