jpexs-decompiler/libsrc/ffdec_lib/test/com/jpexs/decompiler/flash/FileHashMapTest.java

package com.jpexs.decompiler.flash;

import com.jpexs.helpers.FileHashMap;
import java.io.File;
import java.io.FileNotFoundException;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.testng.Assert;
import org.testng.annotations.Test;
import static org.testng.Assert.assertEquals;
import static org.testng.Assert.assertNull;
import static org.testng.Assert.assertTrue;
import static org.testng.Assert.assertFalse;
import static org.testng.Assert.fail;


/**
 *
 * @author JPEXS
 */
public class FileHashMapTest {
    @Test
    public void testFileHashMap() throws Exception {
        File tfile = new File("fmtest.bin");        
        FileHashMap<String,String> map = new FileHashMap<>(tfile);
        assertTrue(map.isEmpty()); 
        assertEquals(map.size(), 0);
        map.put("A", "cat");
        assertEquals(map.get("A"),"cat");
        assertNull(map.get("B"));        
        map.put("B", "dog");
        assertEquals(map.get("B"),"dog");
        assertEquals(map.get("A"),"cat");        
        map.put("C", "parrot");
        assertTrue(map.containsKey("A"));
        assertTrue(map.containsKey("B"));
        assertTrue(map.containsKey("C"));
        assertFalse(map.containsKey("D"));                                
        assertEquals(map.size(), 3);        
        map.remove("A");
        assertFalse(map.containsKey("A"));  
        map.put("X", "tac");
        map.delete();
        try{
            map.get("A");
            fail();
        }catch(NullPointerException nfe){
            //okay
        }
        
    }
}