Tests for XSSFSheet, contributed by Paolo Mottadelli <p.mottadelli@sourcesense.com>.

git-svn-id: https://svn.apache.org/repos/asf/poi/branches/ooxml@614178 13f79535-47bb-0310-9956-ffa450edef68

diff --git a/src/ooxml/testcases/org/apache/poi/xssf/usermodel/TestXSSFSheet.java b/src/ooxml/testcases/org/apache/poi/xssf/usermodel/TestXSSFSheet.java
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+/* ====================================================================
+   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.poi.xssf.usermodel;
+
+import java.util.Iterator;
+
+import org.apache.poi.ss.usermodel.Cell;
+import org.apache.poi.ss.usermodel.Row;
+import org.apache.poi.ss.usermodel.Sheet;
+
+import junit.framework.TestCase;
+
+
+public class TestXSSFSheet extends TestCase {
+       
+       public void testRowIterator() throws Exception {
+               XSSFWorkbook workbook = new XSSFWorkbook();
+               Sheet sheet = workbook.createSheet("Sheet 1");
+               Row row1 = sheet.createRow(0);
+               Row row2 = sheet.createRow(1);
+               Iterator<Row> it = sheet.rowIterator();
+               assertNotNull(it);
+               assertTrue(it.hasNext());
+               assertEquals(row1, it.next());
+               assertTrue(it.hasNext());
+               assertEquals(row2, it.next());
+               assertFalse(it.hasNext());
+       }
+       
+       public void testGetRow() throws Exception {
+               XSSFWorkbook workbook = new XSSFWorkbook();
+               Sheet sheet = workbook.createSheet("Sheet 1");
+               Row row1 = sheet.createRow(0);
+               Cell cell = row1.createCell((short) 0);
+               cell.setCellType(Cell.CELL_TYPE_NUMERIC);
+               cell.setCellValue((double) 1000);
+               
+               // Test getting a row and check its cell's value
+               Row row_got = sheet.getRow(0);
+               Cell cell_got = row_got.getCell((short) 0);
+               assertEquals((double) 1000, cell_got.getNumericCellValue());
+       }
+       
+       public void testCreateRow() throws Exception {
+               XSSFWorkbook workbook = new XSSFWorkbook();
+               Sheet sheet = workbook.createSheet("Sheet 1");
+               
+               // Test row creation with consecutive indexes
+               Row row1 = sheet.createRow(0);
+               Row row2 = sheet.createRow(1);
+               assertEquals(0, row1.getRowNum());
+               Iterator<Row> it = sheet.rowIterator();
+               assertTrue(it.hasNext());
+               assertEquals(row1, it.next());
+               assertTrue(it.hasNext());
+               assertEquals(row2, it.next());
+               
+               // Test row creation with non consecutive index
+               Row row101 = sheet.createRow(100);
+               assertNotNull(row101);
+               
+               // Test overwriting an existing row
+               Row row2_ovrewritten = sheet.createRow(1);
+               Cell cell = row2_ovrewritten.createCell((short) 0);
+               cell.setCellType(Cell.CELL_TYPE_NUMERIC);
+               cell.setCellValue((double) 100);
+               Iterator<Row> it2 = sheet.rowIterator();
+               assertTrue(it2.hasNext());
+               assertEquals(row1, it2.next());
+               assertTrue(it2.hasNext());
+               Row row2_overwritten_copy = it2.next();
+               assertEquals(row2_ovrewritten, row2_overwritten_copy);
+               assertEquals(row2_overwritten_copy.getCell((short) 0).getNumericCellValue(), (double) 100);
+               
+               
+               
+       }
+}