--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/java/lang/reflect/exeCallerAccessTest/exeCallerAccessTest.c Sat Apr 06 21:16:40 2019 +0800
@@ -0,0 +1,127 @@
+/*
+ * Copyright (c) 2019, 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 <stdlib.h>
+
+#include "jni.h"
+#include "assert.h"
+
+static jclass classClass;
+static jclass iaeClass;
+static jmethodID mid_Class_forName;
+static jmethodID mid_Class_getField;
+static jmethodID mid_Field_get;
+
+int getField(JNIEnv *env, char* declaringClass_name, char* field_name);
+
+int main(int argc, char** args) {
+ JavaVM *jvm;
+ JNIEnv *env;
+ JavaVMInitArgs vm_args;
+ JavaVMOption options[1];
+ jint rc;
+
+ vm_args.version = JNI_VERSION_1_2;
+ vm_args.nOptions = 0;
+ vm_args.options = options;
+
+ if ((rc = JNI_CreateJavaVM(&jvm, (void**)&env, &vm_args)) != JNI_OK) {
+ printf("ERROR: cannot create VM.\n");
+ exit(-1);
+ }
+
+ classClass = (*env)->FindClass(env, "java/lang/Class");
+ iaeClass = (*env)->FindClass(env, "java/lang/IllegalAccessException");
+ mid_Class_forName = (*env)->GetStaticMethodID(env, classClass, "forName",
+ "(Ljava/lang/String;)Ljava/lang/Class;");
+ assert(mid_Class_forName != NULL);
+
+ mid_Class_getField = (*env)->GetMethodID(env, classClass, "getField",
+ "(Ljava/lang/String;)Ljava/lang/reflect/Field;");
+ assert(mid_Class_getField != NULL);
+
+ jclass fieldClass = (*env)->FindClass(env, "java/lang/reflect/Field");
+ mid_Field_get = (*env)->GetMethodID(env, fieldClass, "get", "(Ljava/lang/Object;)Ljava/lang/Object;");
+ assert(mid_Class_getField != NULL);
+
+ // can access to public member of an exported type
+ if ((rc = getField(env, "java.lang.Integer", "TYPE")) != 0) {
+ printf("ERROR: fail to access java.lang.Integer::TYPE\n");
+ exit(-1);
+ }
+
+ // expect IAE to jdk.internal.misc.Unsafe class
+ if ((rc = getField(env, "jdk.internal.misc.Unsafe", "INVALID_FIELD_OFFSET")) == 0) {
+ printf("ERROR: IAE not thrown\n");
+ exit(-1);
+ }
+ if (checkAndClearIllegalAccessExceptionThrown(env) != JNI_TRUE) {
+ printf("ERROR: exception is not an instance of IAE\n");
+ exit(-1);
+ }
+
+ // expect IAE to jdk.internal.misc.Unsafe class
+ if ((rc = getField(env, "jdk.internal.misc.Unsafe", "INVALID_FIELD_OFFSET")) == 0) {
+ printf("ERROR: IAE not thrown\n");
+ exit(-1);
+ }
+ if (checkAndClearIllegalAccessExceptionThrown(env) != JNI_TRUE) {
+ printf("ERROR: exception is not an instance of IAE\n");
+ exit(-1);
+ }
+
+ (*jvm)->DestroyJavaVM(jvm);
+}
+
+int checkAndClearIllegalAccessExceptionThrown(JNIEnv *env) {
+ jthrowable t = (*env)->ExceptionOccurred(env);
+ if ((*env)->IsInstanceOf(env, t, iaeClass) == JNI_TRUE) {
+ (*env)->ExceptionClear(env);
+ return JNI_TRUE;
+ }
+ return JNI_FALSE;
+}
+
+int getField(JNIEnv *env, char* declaringClass_name, char* field_name) {
+ jobject c = (*env)->CallStaticObjectMethod(env, classClass, mid_Class_forName,
+ (*env)->NewStringUTF(env, declaringClass_name));
+ if ((*env)->ExceptionOccurred(env) != NULL) {
+ (*env)->ExceptionDescribe(env);
+ return 1;
+ }
+
+ jobject f = (*env)->CallObjectMethod(env, c, mid_Class_getField, (*env)->NewStringUTF(env, field_name));
+ if ((*env)->ExceptionOccurred(env) != NULL) {
+ (*env)->ExceptionDescribe(env);
+ return 2;
+ }
+
+ jobject v = (*env)->CallObjectMethod(env, f, mid_Field_get, c);
+ if ((*env)->ExceptionOccurred(env) != NULL) {
+ (*env)->ExceptionDescribe(env);
+ return 3;
+ }
+ return 0;
+}
+