jlaskey@3: /*
jlaskey@7:  * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
jlaskey@3:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
jlaskey@3:  * 
jlaskey@3:  * This code is free software; you can redistribute it and/or modify it
jlaskey@3:  * under the terms of the GNU General Public License version 2 only, as
jlaskey@3:  * published by the Free Software Foundation.
jlaskey@3:  * 
jlaskey@3:  * This code is distributed in the hope that it will be useful, but WITHOUT
jlaskey@3:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
jlaskey@3:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
jlaskey@3:  * version 2 for more details (a copy is included in the LICENSE file that
jlaskey@3:  * accompanied this code).
jlaskey@3:  * 
jlaskey@3:  * You should have received a copy of the GNU General Public License version
jlaskey@3:  * 2 along with this work; if not, write to the Free Software Foundation,
jlaskey@3:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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jlaskey@3: 
jlaskey@3: /**
jlaskey@3:  * NASHORN-111 :  ClassCastException from JSON.stringify
jlaskey@3:  *
jlaskey@3:  * @test
jlaskey@3:  * @run
jlaskey@3:  */
jlaskey@3: // problem 1
jlaskey@3: // the conversions in TernaryNode are not necessary, but they should not cause problems. They did
jlaskey@3: // this was because the result of Global.allocate(Object[])Object which returns a NativeObject. 
jlaskey@3: // was tracked as an object type on our stack. The type system did not recognize this as an array. 
jlaskey@3: // Then the explicit conversions became "convert NativeArray->Object[]" which is a checkccast Object[]
jlaskey@3: // which naturally failed.
jlaskey@3: 
jlaskey@3: // I pushed the appropriate arraytype on the stack for Global.allocate.
jlaskey@3: 
jlaskey@3: // I also removed the conversions in CodeGen, all conversions should be done in Lower, as
jlaskey@3: // NASHORN-706 states.
jlaskey@3: 
jlaskey@3: var silent = false;
jlaskey@3: var stdio = silent ? ['pipe', 'pipe', 'pipe', 'ipc'] : [0, 1, 2, 'ipc'];
jlaskey@3: 
jlaskey@3: // This made the test pass, but it's still not correct to pick widest types for array
jlaskey@3: // and primitives. Widest(Object[], int) gave us Object[] which makes no sense. This is used
jlaskey@3: // by lower to type the conversions, so function b below also failed until I made a change
jlaskey@3: // ty type widest to actually return the widest common denominator, if both aren't arrays
jlaskey@3: 
jlaskey@3: function b() {
jlaskey@3:     var silent2 = false;
jlaskey@3:     var stdio2 = silent2 ? [1,2,3] : 17;
jlaskey@3: }
jlaskey@3: