1 /* 2 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 package jdk.test.lib.jittester.factories; 25 26 import jdk.test.lib.Pair; 27 import jdk.test.lib.jittester.BuiltInType; 28 import jdk.test.lib.jittester.OperatorKind; 29 import jdk.test.lib.jittester.ProductionFailedException; 30 import jdk.test.lib.jittester.Type; 31 import jdk.test.lib.jittester.TypeList; 32 import jdk.test.lib.jittester.utils.TypeUtil; 33 import jdk.test.lib.jittester.types.TypeKlass; 34 import jdk.test.lib.jittester.utils.PseudoRandom; 35 36 import java.util.Collection; 37 38 class BinaryArithmeticOperatorFactory extends BinaryOperatorFactory { 39 BinaryArithmeticOperatorFactory(OperatorKind opKind, long complexityLimit, int operatorLimit, 40 TypeKlass ownerClass, Type resultType, boolean exceptionSafe, boolean noconsts) { 41 super(opKind, complexityLimit, operatorLimit, ownerClass, resultType, exceptionSafe, noconsts); 42 } 43 44 @Override 45 protected boolean isApplicable(Type resultType) { 46 // arithmetic for built-in types less capacious than "int" is not supported. 47 if (TypeList.isBuiltIn(resultType)) { 48 BuiltInType builtInType = (BuiltInType) resultType; 49 return builtInType.equals(TypeList.INT) || builtInType.isMoreCapaciousThan(TypeList.INT); 50 } else { 51 return false; 52 } 53 } 54 55 @Override 56 protected Pair<Type, Type> generateTypes() { 57 Collection<Type> castableFromResultType = TypeUtil.getImplicitlyCastable(TypeList.getBuiltIn(), resultType); 58 // built-in types less capacious than int are automatically casted to int in arithmetic. 59 final Type leftType = PseudoRandom.randomElement(castableFromResultType); 60 final Type rightType = resultType.equals(TypeList.INT) ? 61 PseudoRandom.randomElement(castableFromResultType) : resultType; 62 //TODO: is there sense to swap them randomly as it was done in original code? 63 return PseudoRandom.randomBoolean() ? new Pair<>(leftType, rightType) : new Pair<>(rightType, leftType); 64 } 65 }