adding test for formula parser

git-svn-id: https://svn.apache.org/repos/asf/jakarta/poi/trunk@352583 13f79535-47bb-0310-9956-ffa450edef68

diff --git a/src/testcases/org/apache/poi/hssf/record/formula/TestFormulaParser.java b/src/testcases/org/apache/poi/hssf/record/formula/TestFormulaParser.java
new file mode 100644 (file)
index 0000000..112ee9f
--- /dev/null
+++ b/src/testcases/org/apache/poi/hssf/record/formula/TestFormulaParser.java
@@ -0,0 +1,64 @@
+package org.apache.poi.hssf.record.formula;
+
+import junit.framework.TestCase;
+
+/**
+ * Test the low level formula parser functionality. High level tests are to 
+ * be done via usermodel/HSSFCell.setFormulaValue() . 
+ */
+public class TestFormulaParser extends TestCase {
+
+    public TestFormulaParser(String name) {
+        super(name);
+    }
+    public void setUp(){
+        
+    }
+    
+    public void tearDown() {
+        
+    }
+    
+    public void testSimpleFormula() {
+        FormulaParser fp = new FormulaParser("2+2;");
+        fp.parse();
+        Ptg[] ptgs = fp.getRPNPtg();
+        assertTrue("three tokens expected, got "+ptgs.length,ptgs.length == 3);
+    }
+    public void testFormulaWithSpace1() {
+        FormulaParser fp = new FormulaParser(" 2 + 2 ;");
+        fp.parse();
+        Ptg[] ptgs = fp.getRPNPtg();
+        assertTrue("three tokens expected, got "+ptgs.length,ptgs.length == 3);
+        assertTrue("",(ptgs[0] instanceof IntPtg));
+        assertTrue("",(ptgs[1] instanceof IntPtg));
+        assertTrue("",(ptgs[2] instanceof AddPtg));
+        
+    }
+    
+    public void testFormulaWithSpace2() {
+        Ptg[] ptgs;
+        FormulaParser fp;
+        fp = new FormulaParser("2+ sum( 3 , 4) ;");
+        fp.parse();
+        ptgs = fp.getRPNPtg();
+        assertTrue("five tokens expected, got "+ptgs.length,ptgs.length == 5);
+    }
+    
+     public void testFormulaWithSpaceNRef() {
+        Ptg[] ptgs;
+        FormulaParser fp;
+        fp = new FormulaParser("sum( A2:A3 );");
+        fp.parse();
+        ptgs = fp.getRPNPtg();
+        assertTrue("two tokens expected, got "+ptgs.length,ptgs.length == 2);
+    }
+    
+     public static void main(String [] args) {
+        System.out.println("Testing org.apache.poi.hssf.record.formula.FormulaParser");
+        junit.textui.TestRunner.run(TestFormulaParser.class);
+    }
+}
+
+
+