1 /* 2 * Copyright (c) 2024, 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 /* 25 * @test 26 * @run testng TestConditionalExpression 27 */ 28 29 import org.testng.Assert; 30 import org.testng.annotations.Test; 31 32 import java.lang.reflect.code.OpTransformer; 33 import java.lang.reflect.code.op.CoreOp; 34 import java.lang.reflect.code.Op; 35 import java.lang.reflect.code.interpreter.Interpreter; 36 import java.lang.reflect.Method; 37 import java.lang.runtime.CodeReflection; 38 import java.util.Optional; 39 import java.util.stream.Stream; 40 41 public class TestConditionalExpression { 42 @CodeReflection 43 public static int simpleExpression(boolean b, int x, int y) { 44 return b ? x : y; 45 } 46 47 @Test 48 public void testSimpleExpression() { 49 CoreOp.FuncOp f = getFuncOp("simpleExpression"); 50 51 f.writeTo(System.out); 52 53 CoreOp.FuncOp lf = f.transform(OpTransformer.LOWERING_TRANSFORMER); 54 55 lf.writeTo(System.out); 56 57 Assert.assertEquals(Interpreter.invoke(lf, true, 1, 2), simpleExpression(true, 1, 2)); 58 Assert.assertEquals(Interpreter.invoke(lf, false, 1, 2), simpleExpression(false, 1, 2)); 59 } 60 61 62 static CoreOp.FuncOp getFuncOp(String name) { 63 Optional<Method> om = Stream.of(TestConditionalExpression.class.getDeclaredMethods()) 64 .filter(m -> m.getName().equals(name)) 65 .findFirst(); 66 67 Method m = om.get(); 68 return m.getCodeModel().get(); 69 } 70 }