add test, fix style

Author: ted-johnson

src/main/java/net/sf/jsqlparser/statement/truncate/Truncate.java

@@ -56,7 +56,7 @@ public void setCascade(boolean c){
 
     @Override
     public String toString() {
-        if(cascade==true){
+        if(cascade){
             return "TRUNCATE TABLE " + table+" CASCADE";
         }
         return "TRUNCATE TABLE " + table;

src/test/java/net/sf/jsqlparser/statement/truncate/TruncateTest.java

@@ -2,6 +2,9 @@
 
 import java.io.StringReader;
 
+import static net.sf.jsqlparser.test.TestUtils.*;
+import net.sf.jsqlparser.*;
+
 import net.sf.jsqlparser.parser.CCJSqlParserManager;
 import static org.junit.Assert.assertEquals;
 import org.junit.Test;
@@ -23,5 +26,20 @@ public void testTruncate() throws Exception {
         truncate = (Truncate) parserManager.parse(new StringReader(statement));
         assertEquals("mytab", truncate.getTable().getName());
         assertEquals(toStringStatement.toUpperCase(), truncate.toString().toUpperCase());
+
+        statement = "TRUNCATE TABLE mytab CASCADE";
+        truncate = (Truncate) parserManager.parse(new StringReader(statement));
+        assertEquals(statement, truncate.toString());
+    }
+
+    @Test
+    public void testTruncateDeparse() throws JSQLParserException {
+        assertSqlCanBeParsedAndDeparsed("TRUNCATE TABLE foo");
     }
+
+    @Test
+    public void testTruncateCascadeDeparse() throws JSQLParserException {
+        assertSqlCanBeParsedAndDeparsed("TRUNCATE TABLE foo CASCADE");
+    }
+
 }