Implement the date function, patch from Pavel

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@579244 13f79535-47bb-0310-9956-ffa450edef68

diff --git a/src/scratchpad/testcases/org/apache/poi/hssf/record/formula/functions/TestDate.java b/src/scratchpad/testcases/org/apache/poi/hssf/record/formula/functions/TestDate.java
new file mode 100644 (file)
index 0000000..2c5e152
--- /dev/null
+++ b/src/scratchpad/testcases/org/apache/poi/hssf/record/formula/functions/TestDate.java
@@ -0,0 +1,100 @@
+/*
+ * Created on Sep 11, 2007
+ * 
+ * The Copyright statements and Licenses for the commons application may be
+ * found in the file LICENSE.txt
+ */
+
+package org.apache.poi.hssf.record.formula.functions;
+
+import junit.framework.TestCase;
+
+import org.apache.poi.hssf.usermodel.HSSFRow;
+import org.apache.poi.hssf.usermodel.HSSFCell;
+import org.apache.poi.hssf.usermodel.HSSFSheet;
+import org.apache.poi.hssf.usermodel.HSSFWorkbook;
+import org.apache.poi.hssf.usermodel.HSSFFormulaEvaluator;
+
+/**
+ * @author Pavel Krupets (pkrupets at palmtreebusiness dot com)
+ */
+public class TestDate extends TestCase {
+    public void setUp() {
+        HSSFWorkbook wb = new HSSFWorkbook();
+        HSSFSheet sheet = wb.createSheet("new sheet");
+        HSSFRow row1 = sheet.createRow((short) 0);
+        
+        this.cell11 = row1.createCell((short) 0);
+        
+        this.evaluator = new HSSFFormulaEvaluator(sheet, wb);
+        this.evaluator.setCurrentRow(row1);
+    }
+    
+       /**
+        * Test disabled pending a fix in the formula parser
+        */
+    public void DISABLEDtestSomeArgumentsMissing() throws Exception {
+        this.cell11.setCellFormula("DATE(, 1, 0)");
+        assertEquals(0.0, this.evaluator.evaluate(this.cell11).getNumberValue(), 0);
+        
+        this.cell11.setCellFormula("DATE(, 1, 1)");
+        assertEquals(1.0, this.evaluator.evaluate(this.cell11).getNumberValue(), 0);
+    }
+    
+    public void testValid() throws Exception {
+        this.cell11.setCellType(HSSFCell.CELL_TYPE_FORMULA);
+        
+        this.cell11.setCellFormula("DATE(1900, 1, 1)");
+        assertEquals(1, this.evaluator.evaluate(this.cell11).getNumberValue(), 0);
+        
+        this.cell11.setCellFormula("DATE(1900, 1, 32)");
+        assertEquals(32, this.evaluator.evaluate(this.cell11).getNumberValue(), 0);
+        
+        this.cell11.setCellFormula("DATE(1900, 222, 1)");
+        assertEquals(6727, this.evaluator.evaluate(this.cell11).getNumberValue(), 0);
+        
+        this.cell11.setCellFormula("DATE(1900, 2, 0)");
+        assertEquals(31, this.evaluator.evaluate(this.cell11).getNumberValue(), 0);
+        
+        this.cell11.setCellFormula("DATE(2000, 1, 222)");
+        assertEquals(36747.00, this.evaluator.evaluate(this.cell11).getNumberValue(), 0);
+        
+        this.cell11.setCellFormula("DATE(2007, 1, 1)");
+        assertEquals(39083, this.evaluator.evaluate(this.cell11).getNumberValue(), 0);
+    }
+    
+    public void testBugDate() {
+        this.cell11.setCellFormula("DATE(1900, 2, 29)");
+        assertEquals(60, this.evaluator.evaluate(this.cell11).getNumberValue(), 0);
+        
+        this.cell11.setCellFormula("DATE(1900, 2, 30)");
+        assertEquals(61, this.evaluator.evaluate(this.cell11).getNumberValue(), 0);
+        
+        this.cell11.setCellFormula("DATE(1900, 1, 222)");
+        assertEquals(222, this.evaluator.evaluate(this.cell11).getNumberValue(), 0);
+        
+        this.cell11.setCellFormula("DATE(1900, 1, 2222)");
+        assertEquals(2222, this.evaluator.evaluate(this.cell11).getNumberValue(), 0);
+        
+        this.cell11.setCellFormula("DATE(1900, 1, 22222)");
+        assertEquals(22222, this.evaluator.evaluate(this.cell11).getNumberValue(), 0);
+    }
+    
+    public void testPartYears() {
+        this.cell11.setCellFormula("DATE(4, 1, 1)");
+        assertEquals(1462.00, this.evaluator.evaluate(this.cell11).getNumberValue(), 0);
+        
+        this.cell11.setCellFormula("DATE(14, 1, 1)");
+        assertEquals(5115.00, this.evaluator.evaluate(this.cell11).getNumberValue(), 0);
+        
+        this.cell11.setCellFormula("DATE(104, 1, 1)");
+        assertEquals(37987.00, this.evaluator.evaluate(this.cell11).getNumberValue(), 0);
+        
+        this.cell11.setCellFormula("DATE(1004, 1, 1)");
+        assertEquals(366705.00, this.evaluator.evaluate(this.cell11).getNumberValue(), 0);
+    }
+    
+    private HSSFCell cell11;
+    private HSSFFormulaEvaluator evaluator;
+}
+