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* Copyright 1999 (C) Intalio, Inc. All Rights Reserved.
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package org.exolab.castor.jdo.oql;
import java.util.Hashtable;
import junit.framework.TestCase;
/**
* Test class for {@link Lexer}.
*
* @author <a href="nissim@nksystems.com">Nissim Karpenstein</a>
* @version $Revision$ $Date: 2006-04-29 05:45:43 -0600 (Sat, 29 Apr 2006) $
*/
public final class TestLexer extends TestCase {
public void testLexer() throws Exception {
Hashtable<Integer, String> tokenTypes = new Hashtable<Integer, String>();
tokenTypes.put(new Integer(TokenType.END_OF_QUERY), "END_OF_QUERY");
tokenTypes.put(new Integer(TokenType.KEYWORD_SELECT), "KEYWORD_SELECT");
tokenTypes.put(new Integer(TokenType.IDENTIFIER), "IDENTIFIER");
tokenTypes.put(new Integer(TokenType.KEYWORD_AS), "KEYWORD_AS");
tokenTypes.put(new Integer(TokenType.COLON), "COLON");
tokenTypes.put(new Integer(TokenType.KEYWORD_FROM), "KEYWORD_FROM");
tokenTypes.put(new Integer(TokenType.KEYWORD_IN), "KEYWORD_IN");
tokenTypes.put(new Integer(TokenType.KEYWORD_WHERE), "KEYWORD_WHERE");
tokenTypes.put(new Integer(TokenType.KEYWORD_OR), "KEYWORD_OR");
tokenTypes.put(new Integer(TokenType.KEYWORD_AND), "KEYWORD_AND");
tokenTypes.put(new Integer(TokenType.EQUAL), "EQUAL"); // 10
tokenTypes.put(new Integer(TokenType.NOT_EQUAL), "NOT_EQUAL");
tokenTypes.put(new Integer(TokenType.KEYWORD_LIKE), "KEYWORD_LIKE");
tokenTypes.put(new Integer(TokenType.LT), "LT");
tokenTypes.put(new Integer(TokenType.LTE), "LTE");
tokenTypes.put(new Integer(TokenType.GT), "GT");
tokenTypes.put(new Integer(TokenType.GTE), "GTE");
tokenTypes.put(new Integer(TokenType.PLUS), "PLUS");
tokenTypes.put(new Integer(TokenType.MINUS), "MINUS");
tokenTypes.put(new Integer(TokenType.CONCAT), "CONCAT");
tokenTypes.put(new Integer(TokenType.TIMES), "TIMES"); // 20
tokenTypes.put(new Integer(TokenType.DIVIDE), "DIVIDE");
tokenTypes.put(new Integer(TokenType.KEYWORD_MOD), "KEYWORD_MOD");
tokenTypes.put(new Integer(TokenType.KEYWORD_ABS), "KEYWORD_ABS");
tokenTypes.put(new Integer(TokenType.KEYWORD_NOT), "KEYWORD_NOT");
tokenTypes.put(new Integer(TokenType.LPAREN), "LPAREN");
tokenTypes.put(new Integer(TokenType.RPAREN), "RPAREN");
tokenTypes.put(new Integer(TokenType.DOLLAR), "DOLLAR");
tokenTypes.put(new Integer(TokenType.KEYWORD_NIL), "KEYWORD_NIL");
tokenTypes.put(new Integer(TokenType.KEYWORD_UNDEFINED), "KEYWORD_UNDEFINED");
tokenTypes.put(new Integer(TokenType.BOOLEAN_LITERAL), "BOOLEAN_LITERAL");
tokenTypes.put(new Integer(TokenType.LONG_LITERAL), "LONG_LITERAL");
tokenTypes.put(new Integer(TokenType.DOUBLE_LITERAL), "DOUBLE_LITERAL"); // 30
tokenTypes.put(new Integer(TokenType.CHAR_LITERAL), "CHAR_LITERAL");
tokenTypes.put(new Integer(TokenType.STRING_LITERAL), "STRING_LITERAL");
tokenTypes.put(new Integer(TokenType.DATE_LITERAL), "DATE_LITERAL");
tokenTypes.put(new Integer(TokenType.TIME_LITERAL), "TIME_LITERAL");
tokenTypes.put(new Integer(TokenType.TIMESTAMP_LITERAL), "TIMESTAMP_LITERAL");
tokenTypes.put(new Integer(TokenType.KEYWORD_BETWEEN), "KEYWORD_BETWEEN");
Lexer lexer = new Lexer("select o from Product o where o.xyz=$1 order by o.id");
while (lexer.hasMoreTokens()) {
try {
Token token = lexer.nextToken();
String type = tokenTypes.get(new Integer(token.getTokenType()));
System.out.println(type + " : " + token.getTokenValue());
} catch (Exception ex) {
fail(ex.getMessage());
}
}
}
}