/*
* Copyright 2008 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package com.google.gwt.gen2.table.client;
import com.google.gwt.gen2.table.client.TableModel.Callback;
import com.google.gwt.gen2.table.client.TableModelHelper.Request;
import com.google.gwt.gen2.table.client.TableModelHelper.Response;
import java.util.Iterator;
import java.util.List;
/**
* Tests methods in the {@link ClientTableModel} class.
*/
public class ClientTableModelTest extends TableModelTestBase {
/**
* The number of columns in the underlying data.
*/
public static final int NUM_COLUMNS = 7;
/**
* The number of rows in the underlying data.
*/
public static final int NUM_ROWS = 10;
@Override
public MutableTableModel<List<Object>> getTableModel(boolean failureMode) {
// Failure mode version
if (failureMode) {
return new ClientTableModel() {
@Override
public Object getCell(int rowNum, int colNum) {
return null;
}
@Override
public void requestRows(Request request, Callback<List<Object>> callback) {
callback.onFailure(new Exception());
}
@Override
protected boolean onRowInserted(int beforeRow) {
return false;
}
@Override
protected boolean onRowRemoved(int row) {
return false;
}
@Override
protected boolean onSetRowValue(int row, List<Object> rowValue) {
return false;
}
};
}
// Normal version
return new ClientTableModel() {
@Override
public Object getCell(int rowNum, int colNum) {
if (colNum < NUM_COLUMNS && rowNum < NUM_ROWS) {
return new CellPair(rowNum, colNum);
}
return null;
}
@Override
protected boolean onRowInserted(int beforeRow) {
return true;
}
@Override
protected boolean onRowRemoved(int row) {
return true;
}
@Override
protected boolean onSetRowValue(int row, List<Object> rowValue) {
return true;
}
};
}
/**
* Test requestRows method return values.
*/
public void testRequestRowsValues() {
// Create the table model
TableModel<List<Object>> tableModel = getTableModel(false);
// Create a callback for testing
Callback<List<Object>> callback = new Callback<List<Object>>() {
public void onFailure(Throwable caught) {
}
public void onRowsReady(Request request, Response<List<Object>> response) {
// Iterate the rows
int row = 0;
Iterator<List<Object>> rowIt = response.getRowValues();
while (rowIt.hasNext()) {
// Iterate the columns
int column = 0;
Iterator<Object> colIt = rowIt.next().iterator();
while (colIt.hasNext()) {
// Check the cell values
CellPair cellPair = (CellPair) colIt.next();
cellPair.assertPair(row, column);
column++;
}
// Check the number of columns
assertEquals(NUM_COLUMNS, column);
row++;
}
// Check the number of rows
assertEquals(NUM_ROWS, row);
}
};
// Send a request
Request request = new Request(0, NUM_ROWS);
tableModel.requestRows(request, callback);
}
}