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view src/share/vm/oops/arrayOop.cpp @ 4657:d4e039a3e083
Print java.exe when execuing "mx vm"
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Tue, 21 Feb 2012 13:03:38 +0100 |
parents | 6fd81579526f |
children | 3c648b9ad052 |
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/* * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #include "precompiled.hpp" /////////////// Unit tests /////////////// #ifndef PRODUCT #include "oops/arrayOop.hpp" #include "utilities/globalDefinitions.hpp" bool arrayOopDesc::check_max_length_overflow(BasicType type) { julong length = max_array_length(type); julong bytes_per_element = type2aelembytes(type); julong bytes = length * bytes_per_element + header_size_in_bytes(); return (julong)(size_t)bytes == bytes; } bool arrayOopDesc::test_max_array_length() { tty->print_cr("test_max_array_length"); assert(check_max_length_overflow(T_BOOLEAN), "size_t overflow for boolean array"); assert(check_max_length_overflow(T_CHAR), "size_t overflow for char array"); assert(check_max_length_overflow(T_FLOAT), "size_t overflow for float array"); assert(check_max_length_overflow(T_DOUBLE), "size_t overflow for double array"); assert(check_max_length_overflow(T_BYTE), "size_t overflow for byte array"); assert(check_max_length_overflow(T_SHORT), "size_t overflow for short array"); assert(check_max_length_overflow(T_INT), "size_t overflow for int array"); assert(check_max_length_overflow(T_LONG), "size_t overflow for long array"); assert(check_max_length_overflow(T_OBJECT), "size_t overflow for object array"); assert(check_max_length_overflow(T_ARRAY), "size_t overflow for array array"); assert(check_max_length_overflow(T_NARROWOOP), "size_t overflow for narrowOop array"); // T_VOID and T_ADDRESS are not supported by max_array_length() return true; } #endif //PRODUCT