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8295893: Improve printing of Constant Pool Cache Entries

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Reviewed-by: dholmes, coleenp, iklam
This commit is contained in:
Matias Saavedra Silva 2022-11-07 16:15:09 +00:00 • committed by Coleen Phillimore
parent f8b2574ebc
commit ba303c048e
2 changed files with 103 additions and 22 deletions
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66
test/hotspot/gtest/oops/test_cpCache_output.cpp Normal file
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/*
* Copyright (c) 2022, 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"
#include "classfile/vmClasses.hpp"
#include "memory/resourceArea.hpp"
#include "oops/constantPool.hpp"
#include "oops/cpCache.hpp"
#include "oops/method.hpp"
#include "runtime/javaThread.hpp"
#include "runtime/interfaceSupport.inline.hpp"
#include "utilities/ostream.hpp"
#include "unittest.hpp"
// Tests for ConstantPoolCache::print_on() function
TEST_VM(ConstantPoolCache, print_on) {
JavaThread* THREAD = JavaThread::current();
ThreadInVMfromNative invm(THREAD);
ResourceMark rm;
stringStream ss;
InstanceKlass* klass = vmClasses::System_klass();
klass->constants()->cache()->print_on(&ss);
const char* output = ss.freeze();
// method entry test
ASSERT_TRUE(strstr(output, "this") != NULL) << "must have \"this\"";
ASSERT_TRUE(strstr(output, "bytecode 1:") != NULL) << "must have \"bytecode 1\"";
ASSERT_TRUE(strstr(output, "bytecode 2:") != NULL) << "must have \"bytecode 2\"";
ASSERT_TRUE(strstr(output, "cp index:") != NULL) << "must have constant pool index";
ASSERT_TRUE(strstr(output, "F1:") != NULL) << "must have F1 value";
ASSERT_TRUE(strstr(output, "F2:") != NULL) << "must have F2 value";
ASSERT_TRUE(strstr(output, "method:") != NULL) << "must have a method";
ASSERT_TRUE(strstr(output, "flag values:") != NULL) << "must have a flag";
ASSERT_TRUE(strstr(output, "tos:") != NULL) << "must have result type";
ASSERT_TRUE(strstr(output, "local signature:") != NULL) << "must have local signature flag";
ASSERT_TRUE(strstr(output, "has appendix:") != NULL) << "must have appendix flag";
ASSERT_TRUE(strstr(output, "forced virtual:") != NULL) << "must have forced virtual flag";
ASSERT_TRUE(strstr(output, "final:") != NULL) << "must have final flag";
ASSERT_TRUE(strstr(output, "virtual final:") != NULL) << "must have virtual final flag";
ASSERT_TRUE(strstr(output, "resolution failed:") != NULL) << "must have resolution failed flag";
ASSERT_TRUE(strstr(output, "num parameters:") != NULL) << "must have number of parameters";
// field entry test
ASSERT_TRUE(strstr(output, "volatile:") != NULL) << "must have volatile flag";
ASSERT_TRUE(strstr(output, "field index:") != NULL) << "must have field index";
}