90 lines
3.4 KiB
C++
90 lines
3.4 KiB
C++
/*
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* Copyright (c) 2016, 2023, 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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#include "classfile/symbolTable.hpp"
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#include "classfile/systemDictionary.hpp"
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#include "classfile/vmClasses.hpp"
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#include "classfile/vmSymbols.hpp"
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#include "memory/resourceArea.hpp"
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#include "oops/instanceKlass.hpp"
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#include "oops/klass.inline.hpp"
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#include "oops/method.hpp"
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#include "runtime/interfaceSupport.inline.hpp"
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#include "unittest.hpp"
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using testing::HasSubstr;
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// Tests for InstanceKlass::is_class_loader_instance_klass() function
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TEST_VM(InstanceKlass, class_loader_class) {
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InstanceKlass* klass = vmClasses::ClassLoader_klass();
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ASSERT_TRUE(klass->is_class_loader_instance_klass());
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}
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TEST_VM(InstanceKlass, string_klass) {
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InstanceKlass* klass = vmClasses::String_klass();
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ASSERT_TRUE(!klass->is_class_loader_instance_klass());
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}
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TEST_VM(InstanceKlass, class_loader_printer) {
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ThreadInVMfromNative scope(JavaThread::current());
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ResourceMark rm;
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oop loader = SystemDictionary::java_platform_loader();
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stringStream st;
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loader->print_on(&st);
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// See if injected loader_data field is printed in string
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ASSERT_THAT(st.base(), HasSubstr("injected 'loader_data'")) << "Must contain injected fields";
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st.reset();
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// See if mirror injected fields are printed.
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oop mirror = vmClasses::ClassLoader_klass()->java_mirror();
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mirror->print_on(&st);
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ASSERT_THAT(st.base(), HasSubstr("injected 'protection_domain'")) << "Must contain injected fields";
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// We should test other printing functions too.
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#ifndef PRODUCT
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st.reset();
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// method printing is non-product
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Method* method = vmClasses::ClassLoader_klass()->methods()->at(0); // we know there's a method here!
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method->print_on(&st);
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ASSERT_THAT(st.base(), HasSubstr("method holder:")) << "Must contain method_holder field";
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ASSERT_THAT(st.base(), HasSubstr("'java/lang/ClassLoader'")) << "Must be in ClassLoader";
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#endif
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}
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#ifndef PRODUCT
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// This class is friends with Method.
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class MethodTest : public ::testing::Test{
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public:
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static void compare_names(Method* method, Symbol* name) {
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ASSERT_EQ(method->_name, name) << "Method name field isn't set";
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}
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};
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TEST_VM(Method, method_name) {
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InstanceKlass* ik = vmClasses::Object_klass();
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Symbol* tostring = SymbolTable::new_symbol("toString");
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Method* method = ik->find_method(tostring, vmSymbols::void_string_signature());
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ASSERT_TRUE(method != nullptr) << "Object must have toString";
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MethodTest::compare_names(method, tostring);
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}
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#endif
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