test/hotspot/jtreg/vmTestbase/nsk/jvmti/unit/functions/environment/JvmtiTest/JvmtiTest.cpp
changeset 51551 e409244ce72e
parent 50260 46c67f5e27c2
child 51775 dfed97156841
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/jvmti/unit/functions/environment/JvmtiTest/JvmtiTest.cpp	Tue Aug 28 14:37:34 2018 -0700
@@ -0,0 +1,147 @@
+/*
+ * 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"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef JNI_ENV_ARG
+
+#ifdef __cplusplus
+#define JNI_ENV_ARG(x, y) y
+#define JNI_ENV_ARG1(x)
+#define JNI_ENV_PTR(x) x
+#else
+#define JNI_ENV_ARG(x,y) x, y
+#define JNI_ENV_ARG1(x) x
+#define JNI_ENV_PTR(x) (*x)
+#endif
+
+#endif
+
+#define JVMTI_ENV_ARG JNI_ENV_ARG
+#define JVMTI_ENV_ARG1 JNI_ENV_ARG1
+#define JVMTI_ENV_PTR JNI_ENV_PTR
+
+#define JVMTI_ERROR_CHECK(str,res) if ( res != JVMTI_ERROR_NONE) { printf(str); printf("%d\n",res); return res;}
+#define JVMTI_ERROR_CHECK_EXPECTED_ERROR(str,res,err) if ( res != err) { printf(str); printf("unexpected error %d\n",res); return res;}
+
+#define JVMTI_ERROR_CHECK_VOID(str,res) if ( res != JVMTI_ERROR_NONE) { printf(str); printf("%d\n",res); iGlobalStatus = 2; }
+
+#define JVMTI_ERROR_CHECK_EXPECTED_ERROR_VOID(str,res,err) if ( res != err) { printf(str); printf("unexpected error %d\n",res); iGlobalStatus = 2; }
+
+
+
+jvmtiEnv *jvmti;
+jint iGlobalStatus = 0;
+static jvmtiCapabilities jvmti_caps;
+
+
+
+int printdump = 0;
+
+
+void debug_printf(const char *fmt, ...) {
+    va_list args;
+
+    va_start(args, fmt);
+    if (printdump) {
+        vprintf(fmt, args);
+    }
+    va_end(args);
+}
+
+#ifdef STATIC_BUILD
+JNIEXPORT jint JNICALL Agent_OnLoad_JvmtiTest(JavaVM *jvm, char *options, void *reserved) {
+    return Agent_Initialize(jvm, options, reserved);
+}
+JNIEXPORT jint JNICALL Agent_OnAttach_JvmtiTest(JavaVM *jvm, char *options, void *reserved) {
+    return Agent_Initialize(jvm, options, reserved);
+}
+JNIEXPORT jint JNI_OnLoad_JvmtiTest(JavaVM *jvm, char *options, void *reserved) {
+    return JNI_VERSION_1_8;
+}
+#endif
+jint Agent_Initialize(JavaVM * jvm, char *options, void *reserved) {
+    jint res;
+    jint count;
+    char **properties;
+    int i;
+
+    if (options && strlen(options) > 0) {
+        if (strstr(options, "printdump")) {
+            printdump = 1;
+        }
+    }
+
+    res = JNI_ENV_PTR(jvm)->
+        GetEnv(JNI_ENV_ARG(jvm, (void **) &jvmti), JVMTI_VERSION_1_1);
+    if (res < 0) {
+        debug_printf("Wrong result of a valid call to GetEnv!\n");
+        return JNI_ERR;
+    }
+
+
+    /* Add capabilities */
+    res = JVMTI_ENV_PTR(jvmti)->GetPotentialCapabilities(JVMTI_ENV_ARG(jvmti, &jvmti_caps));
+    JVMTI_ERROR_CHECK("GetPotentialCapabilities returned error", res);
+
+    res = JVMTI_ENV_PTR(jvmti)->AddCapabilities(JVMTI_ENV_ARG(jvmti, &jvmti_caps));
+    JVMTI_ERROR_CHECK("GetAddCapabilities returned error", res);
+
+
+    res = JVMTI_ENV_PTR(jvmti)->GetSystemProperties(JVMTI_ENV_ARG(jvmti, &count), &properties);
+
+    JVMTI_ERROR_CHECK("GetSystemProperties returned error", res);
+
+    for (i=0; i< count; i++) {
+        char *value;
+
+        res = JVMTI_ENV_PTR(jvmti)->GetSystemProperty(JVMTI_ENV_ARG(jvmti, (const char *)properties[i]), &value);
+        JVMTI_ERROR_CHECK("GetSystemProperty returned error", res);
+        debug_printf(" %s    %s \n", properties[i], value);
+
+        /* Only writeable properties returns JVMTI_ERROR_NONE. */
+        res = JVMTI_ENV_PTR(jvmti)->SetSystemProperty(JVMTI_ENV_ARG(jvmti, (const char *)properties[i]), value);
+        debug_printf("SetSystemProperty returned error %d\n", res);
+
+     }
+
+    return JNI_OK;
+}
+
+
+JNIEXPORT jint JNICALL
+Java_nsk_jvmti_unit_functions_environment_JvmtiTest_GetResult(JNIEnv * env, jclass cls) {
+    return iGlobalStatus;
+}
+
+
+#ifdef __cplusplus
+}
+#endif