Java tutorial
/** * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you 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 org.apache.metamodel.excel; import java.io.FileInputStream; import junit.framework.TestCase; import org.apache.poi.ss.usermodel.Sheet; import org.apache.poi.ss.usermodel.Workbook; import org.apache.poi.ss.usermodel.WorkbookFactory; import org.easymock.EasyMock; import org.apache.metamodel.excel.ZeroBasedRowIterator; public class ZeroBasedRowIteratorTest extends TestCase { public void testHasNext() throws Exception { Workbook workbook = WorkbookFactory .create(new FileInputStream("src/test/resources/xls_single_cell_sheet.xls")); Sheet sheet = workbook.getSheetAt(0); // POI's row numbers are 0-based also - the last cell in the sheet is // actually A6. assertEquals(5, sheet.getLastRowNum()); ZeroBasedRowIterator it = new ZeroBasedRowIterator(sheet); assertTrue(it.hasNext()); assertNull(it.next()); assertTrue(it.hasNext()); assertNull(it.next()); assertTrue(it.hasNext()); assertNull(it.next()); assertTrue(it.hasNext()); assertNull(it.next()); assertTrue(it.hasNext()); assertNull(it.next()); assertTrue(it.hasNext()); assertNotNull(it.next()); assertFalse(it.hasNext()); } public void testUnsupportedRemove() throws Exception { ZeroBasedRowIterator it = new ZeroBasedRowIterator(EasyMock.createMock(Sheet.class)); try { it.remove(); fail("Exception expected"); } catch (UnsupportedOperationException e) { assertEquals("remove() is not supported", e.getMessage()); } } }