ASTParserTest.java

/* 
  Copyright (C) 2013 Raquel Pau and Albert Coroleu.
 
 Walkmod is free software: you can redistribute it and/or modify
 it under the terms of the GNU Lesser General Public License as published by
 the Free Software Foundation, either version 3 of the License, or
 (at your option) any later version.
 
 Walkmod is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU Lesser General Public License for more details.
 
 You should have received a copy of the GNU Lesser General Public License
 along with Walkmod.  If not, see <http://www.gnu.org/licenses/>.*/
package org.walkmod.javalang.ast;

import java.io.File;
import java.util.List;

import org.junit.Assert;
import org.junit.Test;
import org.walkmod.javalang.ASTManager;
import org.walkmod.javalang.ast.body.MethodDeclaration;
import org.walkmod.javalang.ast.expr.Expression;
import org.walkmod.javalang.ast.expr.MethodCallExpr;
import org.walkmod.javalang.ast.stmt.ReturnStmt;

public class ASTParserTest {

   @Test
   public void testParsing() throws Exception {
      File f = new File("src/test/resources/source1.8.txt");
      CompilationUnit cu = ASTManager.parse(f);
      Assert.assertNotNull(cu);
      System.out.println(cu.toString());
   }

   @Test
   public void testLambdaParsing() throws Exception {
      File f = new File("src/test/resources/lambda.txt");
      CompilationUnit cu = ASTManager.parse(f);
      Assert.assertNotNull(cu);
      System.out.println(cu.toString());
   }

   @Test
   public void testLicense() throws Exception {
      File f = new File("src/test/resources/licensed-sources.txt");
      CompilationUnit cu = ASTManager.parse(f);
      Assert.assertNotNull(cu);
      cu.toString();
      // System.out.println(cu.toString());
   }

   @Test
   public void testLinesBetweenStmts() throws Exception {
      File f = new File("src/test/resources/multipleLinesBetweenStmt.txt");
      CompilationUnit cu = ASTManager.parse(f);
      Assert.assertNotNull(cu);
      System.out.println(cu.toString());
   }

   @Test
   public void testLinesBetweenImports() throws Exception {
      File f = new File("src/test/resources/multipleLinesBetweenImports.txt");
      CompilationUnit cu = ASTManager.parse(f);
      Assert.assertNotNull(cu);
      System.out.println(cu.toString());
   }

   @Test
   public void testLinesBetweenParameters() throws Exception {
      File f = new File("src/test/resources/multipleLinesBetweenParameters.txt");
      CompilationUnit cu = ASTManager.parse(f);
      Assert.assertNotNull(cu);
      System.out.println(cu.toString());
   }

   @Test
   public void testLines() throws Exception {
      File f = new File("src/test/resources/test.txt");
      CompilationUnit cu = ASTManager.parse(f);
      Assert.assertNotNull(cu);
      System.out.println(cu.toString());
   }

   @Test
   public void testMultiplePrintsInComments() throws Exception {
      File f = new File("src/test/resources/comments.txt");
      CompilationUnit cu = ASTManager.parse(f);
      Assert.assertNotNull(cu);
      System.out.println(cu.toString());
      System.out.println(cu.toString());
   }

   @Test
   public void testCommentsInsideNode() throws Exception {
      File f = new File("src/test/resources/comments.txt");
      CompilationUnit cu = ASTManager.parse(f);
      Assert.assertNotNull(cu);

      System.out.println(cu.getTypes().get(0).getMembers().get(0).toString());
   }

   @Test
   public void testLambdaCast() throws Exception {
      File f = new File("src/test/resources/lambdacast-error.txt");
      CompilationUnit cu = ASTManager.parse(f);
      Assert.assertNotNull(cu);
      System.out.println(cu.toString());
   }

   @Test
   public void testConditionalLambda() throws Exception {
      File f = new File("src/test/resources/lambda-failure-conditional.txt");
      CompilationUnit cu = ASTManager.parse(f);
      Assert.assertNotNull(cu);
      System.out.println(cu.toString());
   }

   @Test
   public void testConditionalLambda2() throws Exception {
      File f = new File("src/test/resources/lambda-failure-conditional2.txt");
      CompilationUnit cu = ASTManager.parse(f);
      Assert.assertNotNull(cu);
      System.out.println(cu.toString());
   }

   @Test
   public void testConditionalLambda3() throws Exception {
      File f = new File("src/test/resources/lambda-failure-conditional3.txt");
      CompilationUnit cu = ASTManager.parse(f);
      Assert.assertNotNull(cu);
      System.out.println(cu.toString());
   }

   @Test
   public void testPositionsOnMethodReferences() throws Exception {
      File f = new File("src/test/resources/methodReferenceFailureNodePositions.txt");
      CompilationUnit cu = ASTManager.parse(f);
      MethodDeclaration md = (MethodDeclaration) cu.getTypes().get(0).getMembers().get(1);
      ReturnStmt returnStmt = (ReturnStmt) md.getBody().getStmts().get(0);
      MethodCallExpr expr = (MethodCallExpr) returnStmt.getExpr();
      List<Expression> expressions = expr.getArgs();
      expr = (MethodCallExpr) expressions.get(0);
      expressions = expr.getArgs();
      int pos = expr.getBeginColumn();
      for (Expression arg : expressions) {
         Assert.assertTrue(arg.getBeginColumn() > pos);
         pos = arg.getBeginColumn();
      }
   }

   @Test
   public void testParseBigCommentBug() throws Exception {
      File f = new File("src/test/resources/bigCommentBug.txt");
      CompilationUnit cu = ASTManager.parse(f);
      Assert.assertNull(cu.getImports());
   }
}