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test/hotspot/gtest/oops/test_instanceKlass.cpp

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108   Symbol* arrays_array_list_symbol = SymbolTable::new_symbol("java/util/Arrays$ArrayList");
109   Klass* arrays_array_list_klass = SystemDictionary::resolve_or_fail(arrays_array_list_symbol, true, THREAD);
110   ASSERT_FALSE(THREAD->has_pending_exception()) << "java/util/Arrays$ArrayList must resolve";
111   InstanceKlass::cast(arrays_array_list_klass)->print_class_flags(&st);
112   ASSERT_STREQ("private static ", st.base());
113 }
114 
115 TEST_VM(FieldDescriptor, access_flag_printer) {
116   JavaThread* THREAD = JavaThread::current();
117   ThreadInVMfromNative scope(THREAD);
118   ResourceMark rm;
119   stringStream st;
120 
121   InstanceKlass* integer_klass = vmClasses::Integer_klass();
122   Symbol* min_value_symbol = SymbolTable::new_symbol("MIN_VALUE");
123 
124   fieldDescriptor fd;
125   ASSERT_TRUE(integer_klass->find_local_field(min_value_symbol, vmSymbols::int_signature(), &fd))
126       << "Integer.MIN_VALUE must exist";
127   fd.print_on(&st);
128   ASSERT_THAT(st.base(), HasSubstr("public static final 'MIN_VALUE' 'I'")) << "Must print field access flags";
129 
130   st.reset();
131   Symbol* thread_state_symbol = SymbolTable::new_symbol("java/lang/Thread$State");
132   Klass* thread_state_klass = SystemDictionary::resolve_or_fail(thread_state_symbol, true, THREAD);
133   ASSERT_FALSE(THREAD->has_pending_exception()) << "java/lang/Thread$State must resolve";
134 
135   fieldDescriptor enum_fd;
136   Symbol* enum_symbol = SymbolTable::new_symbol("NEW");
137   Symbol* enum_signature = SymbolTable::new_symbol("Ljava/lang/Thread$State;");
138   ASSERT_TRUE(InstanceKlass::cast(thread_state_klass)->find_local_field(enum_symbol, enum_signature, &enum_fd))
139       << "Thread.State.NEW must exist";
140 
141   enum_fd.print_on(&st);
142   ASSERT_THAT(st.base(), HasSubstr("public static final enum 'NEW' 'Ljava/lang/Thread$State;'"))
143       << "Must print enum field access flags";
144 }
145 
146 #ifndef PRODUCT
147 // This class is friends with Method.
148 class MethodTest : public ::testing::Test{
149  public:
150   static void compare_names(Method* method, Symbol* name) {
151     ASSERT_EQ(method->_name, name) << "Method name field isn't set";
152   }
153 };
154 
155 TEST_VM(Method, method_name) {
156   InstanceKlass* ik = vmClasses::Object_klass();
157   Symbol* tostring = SymbolTable::new_symbol("toString");
158   Method* method = ik->find_method(tostring, vmSymbols::void_string_signature());
159   ASSERT_TRUE(method != nullptr) << "Object must have toString";
160   MethodTest::compare_names(method, tostring);
161 }
162 

108   Symbol* arrays_array_list_symbol = SymbolTable::new_symbol("java/util/Arrays$ArrayList");
109   Klass* arrays_array_list_klass = SystemDictionary::resolve_or_fail(arrays_array_list_symbol, true, THREAD);
110   ASSERT_FALSE(THREAD->has_pending_exception()) << "java/util/Arrays$ArrayList must resolve";
111   InstanceKlass::cast(arrays_array_list_klass)->print_class_flags(&st);
112   ASSERT_STREQ("private static ", st.base());
113 }
114 
115 TEST_VM(FieldDescriptor, access_flag_printer) {
116   JavaThread* THREAD = JavaThread::current();
117   ThreadInVMfromNative scope(THREAD);
118   ResourceMark rm;
119   stringStream st;
120 
121   InstanceKlass* integer_klass = vmClasses::Integer_klass();
122   Symbol* min_value_symbol = SymbolTable::new_symbol("MIN_VALUE");
123 
124   fieldDescriptor fd;
125   ASSERT_TRUE(integer_klass->find_local_field(min_value_symbol, vmSymbols::int_signature(), &fd))
126       << "Integer.MIN_VALUE must exist";
127   fd.print_on(&st);
128   ASSERT_THAT(st.base(), HasSubstr("public static final 'MIN_VALUE' (fields 0x00000008) 'I'")) << "Must print field access flags";
129 
130   st.reset();
131   Symbol* thread_state_symbol = SymbolTable::new_symbol("java/lang/Thread$State");
132   Klass* thread_state_klass = SystemDictionary::resolve_or_fail(thread_state_symbol, true, THREAD);
133   ASSERT_FALSE(THREAD->has_pending_exception()) << "java/lang/Thread$State must resolve";
134 
135   fieldDescriptor enum_fd;
136   Symbol* enum_symbol = SymbolTable::new_symbol("NEW");
137   Symbol* enum_signature = SymbolTable::new_symbol("Ljava/lang/Thread$State;");
138   ASSERT_TRUE(InstanceKlass::cast(thread_state_klass)->find_local_field(enum_symbol, enum_signature, &enum_fd))
139       << "Thread.State.NEW must exist";
140 
141   enum_fd.print_on(&st);
142   ASSERT_THAT(st.base(), HasSubstr("public static final enum 'NEW' (fields 0x00000000) 'Ljava/lang/Thread$State;'"))
143       << "Must print enum field access flags";
144 }
145 
146 #ifndef PRODUCT
147 // This class is friends with Method.
148 class MethodTest : public ::testing::Test{
149  public:
150   static void compare_names(Method* method, Symbol* name) {
151     ASSERT_EQ(method->_name, name) << "Method name field isn't set";
152   }
153 };
154 
155 TEST_VM(Method, method_name) {
156   InstanceKlass* ik = vmClasses::Object_klass();
157   Symbol* tostring = SymbolTable::new_symbol("toString");
158   Method* method = ik->find_method(tostring, vmSymbols::void_string_signature());
159   ASSERT_TRUE(method != nullptr) << "Object must have toString";
160   MethodTest::compare_names(method, tostring);
161 }
162 
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