WhileStatementTests.java

/*******************************************************************************
* Copyright (c) 2016 Institute for Software, HSR Hochschule fuer Technik 
* Rapperswil, University of applied sciences and others
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*******************************************************************************/
package org.eclipse.cdt.core.parser.tests.ast2.constexprevaluation;

import org.eclipse.cdt.internal.core.dom.parser.IntegralValue;

import junit.framework.TestSuite;

public class WhileStatementTests extends TestBase {
	public static class NonIndexing extends WhileStatementTests {
		public NonIndexing() {setStrategy(new NonIndexingTestStrategy());}
		public static TestSuite suite() {return suite(NonIndexing.class);}
	}
	
	public static class SingleProject extends WhileStatementTests {
		public SingleProject() {setStrategy(new SinglePDOMTestStrategy(true, false));}
		public static TestSuite suite() {return suite(SingleProject.class);}
	}
	
	// constexpr int f(int n) {
	//   int sum { 0 };
	//   while (n > 0) {
	//     sum += n;
	// 	   n--;
	// 	 }
	//   return sum;
	// }
	
	// constexpr int x = f(10);
	public void testWhileLoopWithConditionalExpression() throws Exception {
		assertEvaluationEquals(55);
	}
	
	// constexpr int f(int n) {
	//   int sum { 0 };
	//   while (true) {
	//     sum += n;
	// 	   n--;
	// 	 }
	//   return sum;
	// }
	
	// constexpr int x = f(10);
	public void testEvalShouldAbortOnWhileWitInfiniteLoop() throws Exception {
		assertEvaluationEquals(IntegralValue.ERROR);
	}
	
	// constexpr int f(int n) {
	//   int sum { 0 };
	//   while (true) {
	//     sum += n;
	// 	   return 42;
	// 	 }
	//   return sum;
	// }
	
	// constexpr int x = f(10);
	public void testReturnInWhileStatement() throws Exception {
		assertEvaluationEquals(42);
	}
	
	// constexpr int f(int n) {
	//   int sum { 0 };
	//   while (n > 0)
	// 	   sum += n--;
	//   return sum;
	// }
	
	// constexpr int x = f(10);
	public void testWhileLoopWithNonCompoundBodyStatement() throws Exception {
		assertEvaluationEquals(55);
	}
	
	// constexpr int f(int n) {
	//   int sum { 0 };
	//   while (n > 0)
	//		return 42;
	//   return sum;
	// }
	
	// constexpr int x = f(10);
	public void testWhileLoopWithReturnInNonCompoundBodyStatement() throws Exception {
		assertEvaluationEquals(42);
	}
	
	//	constexpr int triple(int x) {
	//	  return x * 3;
	//	}
	//	constexpr int f(int y) {
	//	  int sum = 0;
	//	  while(int x = triple(y--)) {
	//	    sum += x;
	//	  }
	//	  return sum;
	//	}
	
	//	constexpr int x = f(4);
	public void testDeclarationInWhileStatementCondition1() throws Exception {
		assertEvaluationEquals(30);
	}
}