1 /* 2 * Copyright (c) 2010, 2013, 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 * NASHORN-111 : ClassCastException from JSON.stringify 26 * 27 * @test 28 * @run 29 */ 30 // problem 1 31 // the conversions in TernaryNode are not necessary, but they should not cause problems. They did 32 // this was because the result of Global.allocate(Object[])Object which returns a NativeObject. 33 // was tracked as an object type on our stack. The type system did not recognize this as an array. 34 // Then the explicit conversions became "convert NativeArray->Object[]" which is a checkccast Object[] 35 // which naturally failed. 36 37 // I pushed the appropriate arraytype on the stack for Global.allocate. 38 39 // I also removed the conversions in CodeGen, all conversions should be done in Lower, as 40 // NASHORN-706 states. 41 42 var silent = false; 43 var stdio = silent ? ['pipe', 'pipe', 'pipe', 'ipc'] : [0, 1, 2, 'ipc']; 44 45 // This made the test pass, but it's still not correct to pick widest types for array 46 // and primitives. Widest(Object[], int) gave us Object[] which makes no sense. This is used 47 // by lower to type the conversions, so function b below also failed until I made a change 48 // ty type widest to actually return the widest common denominator, if both aren't arrays 49 50 function b() { 51 var silent2 = false; 52 var stdio2 = silent2 ? [1,2,3] : 17; 53 } 54