--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/jvmti/RedefineClasses/redefclass024/redefclass024.c	Thu May 24 17:12:15 2018 -0700
@@ -0,0 +1,150 @@
+/*
+ * Copyright (c) 2003, 2018, 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 <stdio.h>
+#include <string.h>
+#include "jvmti.h"
+#include "agent_common.h"
+#include "JVMTITools.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef JNI_ENV_ARG
+
+#ifdef __cplusplus
+#define JNI_ENV_ARG(x, y) y
+#define JNI_ENV_PTR(x) x
+#else
+#define JNI_ENV_ARG(x,y) x, y
+#define JNI_ENV_PTR(x) (*x)
+#endif
+
+#endif
+
+#define PASSED 0
+#define STATUS_FAILED 2
+
+static jvmtiEnv *jvmti = NULL;
+static jvmtiCapabilities caps;
+static jint result = PASSED;
+static jboolean printdump = JNI_FALSE;
+
+#ifdef STATIC_BUILD
+JNIEXPORT jint JNICALL Agent_OnLoad_redefclass024(JavaVM *jvm, char *options, void *reserved) {
+    return Agent_Initialize(jvm, options, reserved);
+}
+JNIEXPORT jint JNICALL Agent_OnAttach_redefclass024(JavaVM *jvm, char *options, void *reserved) {
+    return Agent_Initialize(jvm, options, reserved);
+}
+JNIEXPORT jint JNI_OnLoad_redefclass024(JavaVM *jvm, char *options, void *reserved) {
+    return JNI_VERSION_1_8;
+}
+#endif
+jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) {
+    jint res;
+    jvmtiError err;
+
+    if (options != NULL && strcmp(options, "printdump") == 0) {
+        printdump = JNI_TRUE;
+    }
+
+    res = JNI_ENV_PTR(jvm)->GetEnv(JNI_ENV_ARG(jvm, (void **) &jvmti),
+        JVMTI_VERSION_1_1);
+    if (res != JNI_OK || jvmti == NULL) {
+        printf("Wrong result of a valid call to GetEnv!\n");
+        return JNI_ERR;
+    }
+
+    err = (*jvmti)->GetPotentialCapabilities(jvmti, &caps);
+    if (err != JVMTI_ERROR_NONE) {
+        printf("(GetPotentialCapabilities) unexpected error: %s (%d)\n",
+               TranslateError(err), err);
+        return JNI_ERR;
+    }
+
+    err = (*jvmti)->AddCapabilities(jvmti, &caps);
+    if (err != JVMTI_ERROR_NONE) {
+        printf("(AddCapabilities) unexpected error: %s (%d)\n",
+               TranslateError(err), err);
+        return JNI_ERR;
+    }
+
+    err = (*jvmti)->GetCapabilities(jvmti, &caps);
+    if (err != JVMTI_ERROR_NONE) {
+        printf("(GetCapabilities) unexpected error: %s (%d)\n",
+               TranslateError(err), err);
+        return JNI_ERR;
+    }
+
+    if (!caps.can_redefine_classes) {
+        printf("Warning: RedefineClasses is not implemented\n");
+    }
+
+    return JNI_OK;
+}
+
+JNIEXPORT jint JNICALL
+Java_nsk_jvmti_RedefineClasses_redefclass024_check(JNIEnv *env, jclass cls,
+         jclass clazz, jbyteArray bytes) {
+    jvmtiError err;
+    jvmtiClassDefinition classDef;
+
+    if (jvmti == NULL) {
+        printf("JVMTI client was not properly loaded!\n");
+        return STATUS_FAILED;
+    }
+
+    classDef.klass = clazz;
+    classDef.class_byte_count =
+        JNI_ENV_PTR(env)->GetArrayLength(JNI_ENV_ARG(env, bytes));
+    classDef.class_bytes = (unsigned char *)
+        JNI_ENV_PTR(env)->GetByteArrayElements(JNI_ENV_ARG(env, bytes), NULL);
+
+    if (printdump == JNI_TRUE) {
+        printf(">>> change class modifiers capability check ...\n");
+    }
+    err = (*jvmti)->RedefineClasses(jvmti, 1, &classDef);
+    if (err == JVMTI_ERROR_MUST_POSSESS_CAPABILITY &&
+            !caps.can_redefine_classes) {
+        /* It is OK */
+    } else
+        if (err != JVMTI_ERROR_UNSUPPORTED_REDEFINITION_CLASS_MODIFIERS_CHANGED) {
+            printf("Warning: RedefineClasses is restricted\n");
+            printf("Error expected: ");
+            printf("JVMTI_ERROR_UNSUPPORTED_REDEFINITION_CLASS_MODIFIERS_CHANGED,\n");
+            printf("\tactual: %s (%d)\n", TranslateError(err), err);
+            result = STATUS_FAILED;
+        }
+
+    if (printdump == JNI_TRUE) {
+        printf(">>> ... done\n");
+    }
+
+    return result;
+}
+
+#ifdef __cplusplus
+}
+#endif