206 lines
7.8 KiB
C++
206 lines
7.8 KiB
C++
/*
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* Copyright (c) 2003, 2018, 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 <string.h>
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#include "jvmti.h"
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#include "agent_common.h"
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#include "jni_tools.h"
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#include "jvmti_tools.h"
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extern "C" {
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/* ============================================================================= */
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/* scaffold objects */
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static jlong timeout = 0;
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/* constant names */
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#define DEBUGEE_CLASS_NAME "nsk/jvmti/GetObjectHashCode/objhashcode001"
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#define OBJECT_CLASS_NAME "nsk/jvmti/GetObjectHashCode/objhashcode001TestedClass"
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#define OBJECT_CLASS_SIG "L" OBJECT_CLASS_NAME ";"
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#define OBJECT_FIELD_NAME "testedObject"
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/* ============================================================================= */
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/** Agent algorithm. */
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static void JNICALL
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agentProc(jvmtiEnv* jvmti, JNIEnv* jni, void* arg) {
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NSK_DISPLAY0("Wait for object created\n");
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if (!NSK_VERIFY(nsk_jvmti_waitForSync(timeout)))
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return;
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/* perform testing */
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{
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jobject testedObject = NULL;
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jint objectHashCode = 0;
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NSK_DISPLAY0(">>> Obtain tested object from a static field of debugee class\n");
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{
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jclass debugeeClass = NULL;
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jfieldID objectField = NULL;
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NSK_DISPLAY1("Find debugee class: %s\n", DEBUGEE_CLASS_NAME);
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if (!NSK_JNI_VERIFY(jni, (debugeeClass = jni->FindClass(DEBUGEE_CLASS_NAME)) != NULL)) {
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nsk_jvmti_setFailStatus();
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return;
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}
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NSK_DISPLAY1(" ... found class: %p\n", (void*)debugeeClass);
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NSK_DISPLAY1("Find static field: %s\n", OBJECT_FIELD_NAME);
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if (!NSK_JNI_VERIFY(jni, (objectField =
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jni->GetStaticFieldID(debugeeClass, OBJECT_FIELD_NAME, OBJECT_CLASS_SIG)) != NULL)) {
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nsk_jvmti_setFailStatus();
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return;
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}
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NSK_DISPLAY1(" ... got fieldID: %p\n", (void*)objectField);
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NSK_DISPLAY1("Get object from static field: %s\n", OBJECT_FIELD_NAME);
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if (!NSK_JNI_VERIFY(jni, (testedObject =
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jni->GetStaticObjectField(debugeeClass, objectField)) != NULL)) {
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nsk_jvmti_setFailStatus();
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return;
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}
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NSK_DISPLAY1(" ... got object: %p\n", (void*)testedObject);
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NSK_DISPLAY1("Create global reference for object: %p\n", (void*)testedObject);
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if (!NSK_JNI_VERIFY(jni, (testedObject = jni->NewGlobalRef(testedObject)) != NULL)) {
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nsk_jvmti_setFailStatus();
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return;
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}
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NSK_DISPLAY1(" ... got reference: %p\n", (void*)testedObject);
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}
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NSK_DISPLAY0(">>> Testcase #1: get initial hash code of the object\n");
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{
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NSK_DISPLAY1("Get hashcode for object: %p\n", (void*)testedObject);
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if (!NSK_JVMTI_VERIFY(jvmti->GetObjectHashCode(testedObject, &objectHashCode))) {
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nsk_jvmti_setFailStatus();
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return;
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}
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NSK_DISPLAY1(" ... got hash code: %d\n", (int)objectHashCode);
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}
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NSK_DISPLAY0(">>> Testcase #2: get hash code of not changed object and compare with initial\n");
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{
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jint hashCode = 0;
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NSK_DISPLAY1("Get hashcode for object: %p\n", (void*)testedObject);
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if (!NSK_JVMTI_VERIFY(jvmti->GetObjectHashCode(testedObject, &hashCode))) {
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nsk_jvmti_setFailStatus();
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return;
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}
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NSK_DISPLAY1(" ... got hash code: %d\n", (int)hashCode);
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if (hashCode != objectHashCode) {
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NSK_COMPLAIN2("Other call to GetObjectHasCode for not changed object returns different value\n"
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"# got hash code: %d\n"
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"# initial hash code: %d\n",
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(int)hashCode, (int)objectHashCode);
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nsk_jvmti_setFailStatus();
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} else {
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NSK_DISPLAY2("SUCCESS: Got hash code is equal to initial: %d = %d\n",
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(int)hashCode, (int)objectHashCode);
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}
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}
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NSK_DISPLAY0(">>> Testcase #3: get hash code of changed object and compare with initial\n");
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{
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jint hashCode = 0;
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NSK_DISPLAY0("Let debugee to change object data\n");
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if (!NSK_VERIFY(nsk_jvmti_resumeSync()))
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return;
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if (!NSK_VERIFY(nsk_jvmti_waitForSync(timeout)))
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return;
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NSK_DISPLAY1("Get hashcode for object: %p\n", (void*)testedObject);
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if (!NSK_JVMTI_VERIFY(
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jvmti->GetObjectHashCode(testedObject, &hashCode))) {
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nsk_jvmti_setFailStatus();
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return;
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}
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NSK_DISPLAY1(" ... got hash code: %d\n", (int)hashCode);
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if (hashCode != objectHashCode) {
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NSK_COMPLAIN2("Other call to GetObjectHasCode for changed object returns different value\n"
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"# got hash code: %d\n"
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"# initial hash code: %d\n",
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(int)hashCode, (int)objectHashCode);
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nsk_jvmti_setFailStatus();
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} else {
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NSK_DISPLAY2("SUCCESS: Got hash code is equal to initial: %d = %d\n",
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(int)hashCode, (int)objectHashCode);
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}
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}
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NSK_DISPLAY0(">>> Clean used data\n");
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{
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NSK_DISPLAY1("Delete object reference: %p\n", (void*)testedObject);
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NSK_TRACE(jni->DeleteGlobalRef(testedObject));
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}
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}
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NSK_DISPLAY0("Let debugee to finish\n");
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if (!NSK_VERIFY(nsk_jvmti_resumeSync()))
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return;
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}
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/* ============================================================================= */
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/** Agent library initialization. */
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#ifdef STATIC_BUILD
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JNIEXPORT jint JNICALL Agent_OnLoad_objhashcode001(JavaVM *jvm, char *options, void *reserved) {
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return Agent_Initialize(jvm, options, reserved);
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}
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JNIEXPORT jint JNICALL Agent_OnAttach_objhashcode001(JavaVM *jvm, char *options, void *reserved) {
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return Agent_Initialize(jvm, options, reserved);
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}
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JNIEXPORT jint JNI_OnLoad_objhashcode001(JavaVM *jvm, char *options, void *reserved) {
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return JNI_VERSION_1_8;
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}
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#endif
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jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) {
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jvmtiEnv* jvmti = NULL;
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/* init framework and parse options */
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if (!NSK_VERIFY(nsk_jvmti_parseOptions(options)))
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return JNI_ERR;
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timeout = nsk_jvmti_getWaitTime() * 60 * 1000;
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/* create JVMTI environment */
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if (!NSK_VERIFY((jvmti =
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nsk_jvmti_createJVMTIEnv(jvm, reserved)) != NULL))
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return JNI_ERR;
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/* register agent proc and arg */
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if (!NSK_VERIFY(nsk_jvmti_setAgentProc(agentProc, NULL)))
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return JNI_ERR;
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return JNI_OK;
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}
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/* ============================================================================= */
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}
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