/*******************************************************************************
* The MIT License
*
* Copyright (c) 2008 Adam Kiezun
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
******************************************************************************/
package hampi.tests.gramgren;
import hampi.grammars.Grammar;
import hampi.grammars.apps.CNFConverter;
import hampi.grammars.cykparser.*;
import hampi.grammars.parser.Parser;
import java.util.*;
import junit.framework.TestCase;
public class CYKTests extends TestCase{
public void test1() throws Exception{
String grammarFile = "tests/resources/test_cyk1.txt";
Grammar g = new Parser(grammarFile).parse();
System.out.println(g);
CYKParser p = new CYKParser(g);
List<ParseTree> parse = p.parse("s1 s2".split(" "), "S");
assertTrue(!parse.isEmpty());
}
public void test2() throws Exception{
String grammarFile = "tests/resources/test_cyk1.txt";
Grammar g = new Parser(grammarFile).parse();
System.out.println(g);
CYKParser p = new CYKParser(g);
List<ParseTree> parse = p.parse("s1 s2 s1".split(" "), "S");
assertTrue(parse.isEmpty());
}
public void test3() throws Exception{
String grammarFile = "tests/resources/test_cyk2.txt";
Grammar g = new Parser(grammarFile).parse();
System.out.println(g);
CYKParser p = new CYKParser(g);
String s = "b a a b a";
List<ParseTree> parse = p.parse(s.split(" "), "S");
System.out.println(s);
System.out.println(parse);
assertTrue(!parse.isEmpty());
}
public void test4() throws Exception{
String grammarFile = "tests/resources/test_cyk2.txt";
Grammar g = new Parser(grammarFile).parse();
System.out.println(g);
CYKParser p = new CYKParser(g);
String s = "b a b a";
List<ParseTree> parse = p.parse(s.split(" "), "S");
assertTrue(parse.toString(), parse.isEmpty());
}
public void test5() throws Exception{
String grammarFile = "tests/resources/test_cyk3.txt";
Grammar g = new Parser(grammarFile).parse();
System.out.println(g);
CYKParser p = new CYKParser(g);
String s = "a b b d a b";
List<ParseTree> parse = p.parse(s.split(" "), "S");
assertTrue(!parse.isEmpty());
}
public void test6() throws Exception{
String grammarFile = "tests/resources/test_cyk3.txt";
Grammar g = new Parser(grammarFile).parse();
System.out.println(g);
CYKParser p = new CYKParser(g);
String s = "b a d";
List<ParseTree> parse = p.parse(s.split(" "), "S");
assertTrue(parse.toString(), parse.isEmpty());
}
public void testEcmascript1() throws Exception{
String grammarFile = "tests/resources/ecmascript.txt";
Grammar g = new Parser(grammarFile).parse();
assertTrue(!g.isCNF());
List<Grammar> steps = new ArrayList<Grammar>();
final String startSymbol = "FunctionDeclaration";
Grammar gCNF = new CNFConverter().convertToCNF(g, startSymbol, steps);
CYKParser p = new CYKParser(gCNF);
String s = "function <IDENTIFIER_NAME> ( ) { break ; }";
List<ParseTree> parse = p.parse(s.split(" "), startSymbol);
assertTrue("cannot parse: " + s, !parse.isEmpty());
}
public void testEcmascript2() throws Exception{
String grammarFile = "tests/resources/test_cyk_ecmascript.txt";
Grammar g = new Parser(grammarFile).parse();
assertTrue(!g.isCNF());
List<Grammar> steps = new ArrayList<Grammar>();
final String startSymbol = "FunctionDeclaration";
Grammar gCNF = new CNFConverter().convertToCNF(g, startSymbol, steps);
CYKParser p = new CYKParser(gCNF);
String s = "function <IDENTIFIER_NAME> ( ) { break ; }";
List<ParseTree> parse = p.parse(s.split(" "), startSymbol);
assertTrue("cannot parse: " + s, !parse.isEmpty());
}
public void testEcmascript3() throws Exception{
String grammarFile = "tests/resources/test_cyk_ecmascript1.txt";
Grammar g = new Parser(grammarFile).parse();
assertTrue(!g.isCNF());
List<Grammar> steps = new ArrayList<Grammar>();
final String startSymbol = "FunctionDeclaration";
Grammar gCNF = new CNFConverter().convertToCNF(g, startSymbol, steps);
CYKParser p = new CYKParser(gCNF);
String s = "break ; ";
List<ParseTree> parse = p.parse(s.split(" "), startSymbol);
assertTrue("cannot parse: " + s, !parse.isEmpty());
}
public void testEcmascript4() throws Exception{
String grammarFile = "tests/resources/ecmascript.txt";
Grammar g = new Parser(grammarFile).parse();
assertTrue(!g.isCNF());
List<Grammar> steps = new ArrayList<Grammar>();
final String startSymbol = "FunctionDeclaration";
Grammar gCNF = new CNFConverter().convertToCNF(g, startSymbol, steps);
CYKParser p = new CYKParser(gCNF);
String s = "function <IDENTIFIER_NAME> ( ) { -- <HEX_INTEGER_LITERAL> >= - <STRING_LITERAL> typeof true , false }";
List<ParseTree> parse = p.parse(s.split(" "), startSymbol);
for (ParseTree parseTree : parse){
System.out.println(parseTree.toString());
}
assertTrue("cannot parse: " + s, !parse.isEmpty());
}
public void testEcmascript5() throws Exception{
String grammarFile = "tests/resources/ecmascript.txt";
Grammar g = new Parser(grammarFile).parse();
assertTrue(!g.isCNF());
List<Grammar> steps = new ArrayList<Grammar>();
final String startSymbol = "Statement";
Grammar gCNF = new CNFConverter().convertToCNF(g, startSymbol, steps);
CYKParser p = new CYKParser(gCNF);
String s = "-- <HEX_INTEGER_LITERAL> >= - <STRING_LITERAL>";
List<ParseTree> parse = p.parse(s.split(" "), startSymbol);
for (ParseTree parseTree : parse){
System.out.println(parseTree.toString());
}
assertTrue("cannot parse: " + s, !parse.isEmpty());
}
public void testEcmascript6() throws Exception{
String grammarFile = "tests/resources/ecmascript.txt";
Grammar g = new Parser(grammarFile).parse();
assertTrue(!g.isCNF());
List<Grammar> steps = new ArrayList<Grammar>();
final String startSymbol = "Expression";
Grammar gCNF = new CNFConverter().convertToCNF(g, startSymbol, steps);
CYKParser p = new CYKParser(gCNF);
String s = "typeof true , false";
List<ParseTree> parse = p.parse(s.split(" "), startSymbol);
for (ParseTree parseTree : parse){
System.out.println(parseTree.toString());
}
assertTrue("cannot parse: " + s, !parse.isEmpty());
}
public void testEcmascript7() throws Exception{
String grammarFile = "tests/resources/ecmascript.txt";
Grammar g = new Parser(grammarFile).parse();
assertTrue(!g.isCNF());
List<Grammar> steps = new ArrayList<Grammar>();
final String startSymbol = "AssignmentExpression";
Grammar gCNF = new CNFConverter().convertToCNF(g, startSymbol, steps);
CYKParser p = new CYKParser(gCNF);
String s = "typeof true";
List<ParseTree> parse = p.parse(s.split(" "), startSymbol);
for (ParseTree parseTree : parse){
System.out.println(parseTree.toString());
}
assertTrue("cannot parse: " + s, !parse.isEmpty());
}
public void testEcmascript8() throws Exception{
String grammarFile = "tests/resources/ecmascript.txt";
Grammar g = new Parser(grammarFile).parse();
assertTrue(!g.isCNF());
List<Grammar> steps = new ArrayList<Grammar>();
final String startSymbol = "AssignmentExpression";
Grammar gCNF = new CNFConverter().convertToCNF(g, startSymbol, steps);
CYKParser p = new CYKParser(gCNF);
String s = "false";
List<ParseTree> parse = p.parse(s.split(" "), startSymbol);
for (ParseTree parseTree : parse){
System.out.println(parseTree.toString());
}
assertTrue("cannot parse: " + s, !parse.isEmpty());
}
}