testfuncptg.java

Office格式转换代码

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package org.apache.poi.hssf.record.formula;

import junit.framework.TestCase;



/**
 * Make sure the FuncPtg performs as expected
 * @author Danny Mui (dmui at apache dot org)
 */
public class TestFuncPtg extends TestCase {

	public TestFuncPtg(String name) {
		super(name);
		
	}

	public static void main(java.lang.String[] args) {        
        
		junit.textui.TestRunner.run(TestFuncPtg.class);
	}


	/**
	 * Make sure the left overs are re-serialized on excel file reads to avoid
	 * the "Warning: Data may have been lost" prompt in excel.
	 * <p>
	 * This ptg represents a LEN function extracted from excel
	 */
	public void testLeftOvers() {
		byte[] fakeData = new byte[4];
		
		fakeData[0] = (byte)0x41;  
		fakeData[1] = (byte)0x20;  //function index
		fakeData[2] = (byte)0;     
		fakeData[3] = (byte)8;
		
		FuncPtg ptg = new FuncPtg(fakeData, 0);
		
		assertEquals("Len formula index is not 32(20H)",(int)0x20, ptg.getFunctionIndex());
		assertEquals("Number of operands in the len formula",1, ptg.getNumberOfOperands());
    assertEquals("Function Name","LEN",ptg.getName());
    assertEquals("Ptg Size",3,ptg.getSize());
		//assertEquals("first leftover byte is not 0", (byte)0, ptg.leftOvers[0]);
		//assertEquals("second leftover byte is not 8", (byte)8, ptg.leftOvers[1]);
		
	}

}