FloatingPointValueTests.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 junit.framework.TestSuite;

public class FloatingPointValueTests extends TestBase {
	public static class NonIndexing extends FloatingPointValueTests {
		public NonIndexing() {setStrategy(new NonIndexingTestStrategy());}
		public static TestSuite suite() {return suite(NonIndexing.class);}
	}
	
	public static class SingleProject extends FloatingPointValueTests {
		public SingleProject() {setStrategy(new SinglePDOMTestStrategy(true, false));}
		public static TestSuite suite() {return suite(SingleProject.class);}
	}
	
	// 	constexpr auto x = 2.5;
	public void testDoubleLiteral() throws Exception {
		assertEvaluationEquals(2.5);
	}
	
	//  constexpr auto x = .5f;
	public void testFloatLiteral() throws Exception {
		assertEvaluationEquals(0.5);
	}
	
	//	constexpr auto x = 2.l;
	public void testLongDoubleLiteral() throws Exception {
		assertEvaluationEquals(2.0);
	}
	
	//	constexpr auto x = 123.456e-67;
	public void testDoubleLiteralWithScientificNotation() throws Exception {
		assertEvaluationEquals(123.456e-67);
	}
	
	//	constexpr auto x = .1E4f;
	public void testFloatLiteralWithScientificNotation() throws Exception {
		assertEvaluationEquals(.1E4f);
	}
	
	//	constexpr double f() {
	//	  double x = 5.5;
	//	  double y = 2.1;
	//	  return x * 4 + y / 3;
	//	}
	
	//	constexpr double x = f();
	public void testBinaryOperationsWithFloatingPointNumbers() throws Exception {
		assertEvaluationEquals(22.7);
	}
	
	//	constexpr bool f() {
	//	  double x = 5.0;
	//	  int y = 5;
	//	  return x == y;
	//	}
	
	//	constexpr bool x = f();
	public void testComparisonBetweenFloatingPointValueAndIntegralValue1() throws Exception {
		assertEvaluationEquals(true);
	}
	
	//	constexpr bool f() {
	//	  double x = 5.1;
	//	  int y = 5;
	//	  return x == y;
	//	}
	
	//	constexpr bool x = f();
	public void testComparisonBetweenFloatingPointValueAndIntegralValue2() throws Exception {
		assertEvaluationEquals(false);
	}
	
	//	constexpr auto x = float{} + float();
	public void testFloatDefaultValue() throws Exception {
		assertEvaluationEquals(0);
	}
	
	//	constexpr auto f() {
	//		float x{};
	//		return x;
	//	}
	
	//	constexpr auto x = f();
	public void testFloatValueInitialization() throws Exception {
		assertEvaluationEquals(0);
	}
	
	//	constexpr auto x = double{} + double();
	public void testDoubleDefaultValue() throws Exception {
		assertEvaluationEquals(0);
	}
	
	//	constexpr auto f() {
	//		double x{};
	//		return x;
	//	}
	
	//	constexpr auto x = f();
	public void testDoubleValueInitialization() throws Exception {
		assertEvaluationEquals(0);
	}
}