MemberVariableTests.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 MemberVariableTests extends TestBase {
	public static class NonIndexing extends MemberVariableTests {
		public NonIndexing() {setStrategy(new NonIndexingTestStrategy());}
		public static TestSuite suite() {return suite(NonIndexing.class);}
	}
	
	public static class SingleProject extends MemberVariableTests {
		public SingleProject() {setStrategy(new SinglePDOMTestStrategy(true, false));}
		public static TestSuite suite() {return suite(SingleProject.class);}
	}
	
	// struct Point { int x, y; };
	// constexpr int f() {
	// 	Point p{ 2, 4 };
	// 	p.x++;
	// 	return p.x;
	// }
	
	//	constexpr auto x = f();
	public void testIncrementOnCompositeValues() throws Exception {
		assertEvaluationEquals(3);
	}
	
	//	struct S {
	//		int x, y;
	//	};
	//	constexpr int f() {
	//		const S s{3,7};
	//		return s.y;
	//	}
	
	//	constexpr auto x = f();
	public void testMemberAccessWithConstObject() throws Exception {
		assertEvaluationEquals(7);
	}
	
    //	struct S {
    //		int x, y;
    //	};
    //	constexpr S s{5, 6};
    //  constexpr int f() { return s.y; }
	
    //	constexpr auto x = f();
    public void testGlobalMemberAccessFromConstexprFunction() throws Exception {
    	assertEvaluationEquals(6);
    }
	
	//	struct S {
	//		int x, y;
	//	};
	//	constexpr S s{5, 6};
    
	//	constexpr auto x = s.y;
	public void testGlobalMemberAccessFromGlobalConstexpr() throws Exception {
		assertEvaluationEquals(6);
	}
	
	//	struct T {
	//		constexpr T(int x):x{2*x}{}
	//		int x;
	//	};
	//	struct S {
	//		T t{5};	
	//		int i = t.x * 2;
	//	};
	//	constexpr int f() {
	//		S s{};
	//		return s.i;
	//	}
	
	//	constexpr int x = f();
    public void testFieldDependsOnOtherField() throws Exception {
    	assertEvaluationEquals(20);
    }
    
	//	class S {
	//		int arr[4]{2,4,6,8};
	//	public:
	// 		constexpr int *getPtr() {
	//   		return arr;
	//    	}
	//	};
	//	constexpr int f() {
	// 		S s{};
	//  	int *ptr = s.getPtr()+2;
	//    	return *ptr;
	//	}
    
	//	constexpr int x = f();
    public void testMemberInitializationWithoutUserDefinedCtor() throws Exception {
    	assertEvaluationEquals(6);
    }
    
	//    struct S {
	//    	static const int x = 5;	
	//    };
	//    constexpr int f() {
	//    	return S::x;
	//    }

	//    constexpr int x = f();
    public void testAccessOfStaticField() throws Exception {
    	assertEvaluationEquals(5);
    }
}