nashorn/test/script/basic/access-specializer.js
author psandoz
Tue, 13 Aug 2013 11:16:37 +0200
changeset 19424 c4524285927f
parent 16201 889ddb179cdf
child 24778 2ff5d7041566
permissions -rw-r--r--
8022797: Clarify spliterator characteristics for collections containing no elements Reviewed-by: alanb, mduigou
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/*
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 * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * 
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 * 
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 * 
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 * 
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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/**
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 * This is a simple test that checks that access specialization in FinalizeTypes is consistent.
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 * Here, a2 = 0 will be turned int {I}a2 = 0, and all would be fine and well, only we can't change
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 * the symbol type for a2 from double, and we can't as it's not a temporary. Either we have to put 
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 * a temporary in at the late finalize stage and add another assignment, or we genericize the check
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 * in CodeGenerator#Store so we detect whether a target is of the wrong type before storing. It 
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 * is hopefully very rare, and will only be a problem when assignment results that have been
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 * specialized live on the stack
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 *
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 * @test
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 * @run
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 */
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function f() {
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    var a0 = a1 = a2 = 0;
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    a0 = 16.1;
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    a1 = 17.1;
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    a2 = 18.1;
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}
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f();