IntegralValueTests.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 IntegralValueTests extends TestBase {
	public static class NonIndexing extends IntegralValueTests {
		public NonIndexing() {setStrategy(new NonIndexingTestStrategy());}
		public static TestSuite suite() {return suite(NonIndexing.class);}
	}
	
	public static class SingleProject extends IntegralValueTests {
		public SingleProject() {setStrategy(new SinglePDOMTestStrategy(true, false));}
		public static TestSuite suite() {return suite(SingleProject.class);}
	}
	
	//	constexpr auto x = int{} + int();
	public void testIntDefaultValue() throws Exception {
		assertEvaluationEquals(0);
	}
	
	//	constexpr auto f() {
	//		int x{};
	//		return x;
	//	}
	
	//	constexpr auto x = f();
	public void testIntValueInitialization() throws Exception {
		assertEvaluationEquals(0);
	}
	
	//	constexpr auto x = long{} + long();
	public void testLongDefaultValue() throws Exception {
		assertEvaluationEquals(0);
	}
	
	//	constexpr auto f() {
	//		long x{};
	//		return x;
	//	}
	
	//	constexpr auto x = f();
	public void testLongValueInitialization() throws Exception {
		assertEvaluationEquals(0);
	}
	
	//	constexpr auto x = short{} + short();
	public void testShortDefaultValue() throws Exception {
		assertEvaluationEquals(0);
	}
	
	//	constexpr auto f() {
	//		short x{};
	//		return x;
	//	}
	
	//	constexpr auto x = f();
	public void testShortValueInitialization() throws Exception {
		assertEvaluationEquals(0);
	}
	
	//	constexpr auto x = bool{} + bool();
	public void testBooleanDefaulValue() throws Exception {
		assertEvaluationEquals(false);
	}
	
	//	constexpr auto f() {
	//		bool x{};
	//		return x;
	//	}
	
	//	constexpr auto x = f();
	public void testBoolValueInitialization() throws Exception {
		assertEvaluationEquals(0);
	}
	
	//	constexpr auto x = char{} + char();
	public void testCharDefaultValue() throws Exception {
		assertEvaluationEquals(0);
	}
	
	//	constexpr auto f() {
	//		char x{'c'};
	//		return x;
	//	}
	
	//	constexpr auto x = f();
	public void testCharValueInitialization() throws Exception {
		assertEvaluationEquals('c');
	}
	
	// constexpr int mul(int op1, int op2) {
	//   int result = op1 * op2;
	//   return result;
	// }
	
	// constexpr int x = mul(2, 5);
	public void testDeclarationWithEqualsInitializerInSequence() throws Exception {
		assertEvaluationEquals(10);
	}

	// constexpr int mul(int op1, int op2) {
	//   int intermediate1 { op1 };
	//   int intermediate2 { op2 };
	//   return intermediate1 * intermediate2;
	// }
	
	// constexpr int x = mul(2, 5);
	public void testDeclarationWithDefaultInitializationInSequence() throws Exception {
		assertEvaluationEquals(10);
	}
	
	// constexpr int f() {
	//   int i(5);
	//	 i++;
	//   return i;
	// }
	
	// constexpr int x = f();
	public void testDirectInitializationOnFundamentalTypes() throws Exception {
		assertEvaluationEquals(6);
	}
	
	// constexpr int f() {
	//   int invalid;
	//   return invalid;
	// }
	
	// constexpr int x = f();
	public void testUseOfUninitializedVariableIsError() throws Exception {
		assertEvaluationEquals(IntegralValue.UNKNOWN);
	}
	
	//	constexpr auto f() {
	//		int x = 1, y = 1, z = 1;
	//		return x + y + z;
	//	}
	
	//	constexpr auto x = f();
	public void testDeclarationWithMultipleDeclarators() throws Exception {
		assertEvaluationEquals(3);
	}
	
	//	constexpr int f() {
	//		int i{5};
	//		i++;
	//		return i;
	//	}
	
	//	constexpr int x = f();
	public void testSimpleTypeConstructionInitializerList() throws Exception {
		assertEvaluationEquals(6);
	}
	
	//	constexpr int f() {
	//		int i(5);
	//		i++;
	//		return i;
	//	}
	
	//	constexpr int x = f();
	public void testSimpleTypeConstructionConstructorInitializer() throws Exception {
		assertEvaluationEquals(6);
	}
	
	//	constexpr int f() {
	//		int i = 5;
	//		i++;
	//		return i;
	//	}
	
	//	constexpr int x = f();
	public void testSimpleTypeConstructionEqualsInitializer1() throws Exception {
		assertEvaluationEquals(6);
	}
	
	//	constexpr int f() {
	//		int i = {5};
	//		i++;
	//		return i;
	//	}
	
	//	constexpr int x = f();
	public void testSimpleTypeConstructionEqualsInitializer2() throws Exception {
		assertEvaluationEquals(6);
	}
	
	// constexpr int f() {
	//	int a { 3 };
	//  int b = a;
	//  b++;
	//  return a + b;
	// }
	
	// constexpr int x = f();
	public void testCopyInitialization() throws Exception {
		assertEvaluationEquals(7);
	}
	
	//  constexpr int f() { 
	//		int y = 0, x = 5; 
	//		x++; 
	//		return x; 
	//	}
	
	//	constexpr auto x = f();
	public void testMultipleDeclaratorsInOneDeclaration() throws Exception {
		assertEvaluationEquals(6);
	}
	
	//	constexpr int f() {
	//		return int{5};
	//	}
	
	//	constexpr int x = f();
	public void testSimpleTypeConstructorExpression1() throws Exception {
		assertEvaluationEquals(5);
	}
	
	//	constexpr int f() {
	//		int a { 1 };   // declaration
	//		a = ++a * ++a; // assignment / side effects
	//		return a;      // returns 6
	//	}
	
	//	constexpr auto x = f();
	public void testSideEffects2() throws Exception {
		assertEvaluationEquals(6);	
	}
	
	//  constexpr int x = 2;
	
	//	constexpr int y = x * 4;
	public void testAccessGlobalVariableFromGlobalConstexpr() throws Exception {
		assertEvaluationEquals(8);
	}
	
	//  constexpr int x = 2;
	//  constexpr int f() { return x * 4; }
	
	//	constexpr int y = f();
	public void testAccessGlobalVariableFromConstexprFunction() throws Exception {
		assertEvaluationEquals(8);
	}
	
	//	constexpr int x = 0x2a;
	public void testHexLiteral() throws Exception {
		assertEvaluationEquals(42);
	}
}