author | coleenp |
Fri, 16 Mar 2018 09:12:13 -0400 | |
changeset 49449 | ef5d5d343e2a |
parent 47216 | 71c04702a3d5 |
child 51179 | 516acf6956a2 |
permissions | -rw-r--r-- |
41289 | 1 |
/* |
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* Copyright (c) 2016, 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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#include "precompiled.hpp" |
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49449
ef5d5d343e2a
8199263: Split interfaceSupport.hpp to not require including .inline.hpp files
coleenp
parents:
47216
diff
changeset
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#include "runtime/interfaceSupport.inline.hpp" |
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#include "classfile/symbolTable.hpp" |
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#include "unittest.hpp" |
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41671
9e0c6db4918a
8166925: several native TESTs should be changed to TEST_VM
iignatyev
parents:
41289
diff
changeset
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TEST_VM(SymbolTable, temp_new_symbol) { |
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// Assert messages assume these symbols are unique, and the refcounts start at |
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// one, but code does not rely on this. |
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JavaThread* THREAD = JavaThread::current(); |
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// the thread should be in vm to use locks |
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ThreadInVMfromNative ThreadInVMfromNative(THREAD); |
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Symbol* abc = SymbolTable::new_symbol("abc", CATCH); |
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int abccount = abc->refcount(); |
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TempNewSymbol ss = abc; |
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ASSERT_EQ(ss->refcount(), abccount) << "only one abc"; |
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ASSERT_EQ(ss->refcount(), abc->refcount()) << "should match TempNewSymbol"; |
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Symbol* efg = SymbolTable::new_symbol("efg", CATCH); |
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Symbol* hij = SymbolTable::new_symbol("hij", CATCH); |
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int efgcount = efg->refcount(); |
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int hijcount = hij->refcount(); |
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TempNewSymbol s1 = efg; |
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TempNewSymbol s2 = hij; |
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ASSERT_EQ(s1->refcount(), efgcount) << "one efg"; |
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ASSERT_EQ(s2->refcount(), hijcount) << "one hij"; |
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// Assignment operator |
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s1 = s2; |
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ASSERT_EQ(hij->refcount(), hijcount + 1) << "should be two hij"; |
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ASSERT_EQ(efg->refcount(), efgcount - 1) << "should be no efg"; |
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s1 = ss; // s1 is abc |
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ASSERT_EQ(s1->refcount(), abccount + 1) << "should be two abc (s1 and ss)"; |
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ASSERT_EQ(hij->refcount(), hijcount) << "should only have one hij now (s2)"; |
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s1 = s1; // self assignment |
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ASSERT_EQ(s1->refcount(), abccount + 1) << "should still be two abc (s1 and ss)"; |
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TempNewSymbol s3; |
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Symbol* klm = SymbolTable::new_symbol("klm", CATCH); |
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int klmcount = klm->refcount(); |
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s3 = klm; // assignment |
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ASSERT_EQ(s3->refcount(), klmcount) << "only one klm now"; |
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Symbol* xyz = SymbolTable::new_symbol("xyz", CATCH); |
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int xyzcount = xyz->refcount(); |
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{ // inner scope |
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TempNewSymbol s_inner = xyz; |
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} |
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ASSERT_EQ(xyz->refcount(), xyzcount - 1) |
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<< "Should have been decremented by dtor in inner scope"; |
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} |