test/hotspot/jtreg/vmTestbase/nsk/jvmti/GetMethodName/methname002/methname002.cpp
changeset 51551 e409244ce72e
parent 50260 46c67f5e27c2
child 51672 b613bf6a10b1
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/jvmti/GetMethodName/methname002/methname002.cpp	Tue Aug 28 14:37:34 2018 -0700
@@ -0,0 +1,176 @@
+/*
+ * 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 jint result = PASSED;
+static jboolean printdump = JNI_FALSE;
+
+#ifdef STATIC_BUILD
+JNIEXPORT jint JNICALL Agent_OnLoad_methname002(JavaVM *jvm, char *options, void *reserved) {
+    return Agent_Initialize(jvm, options, reserved);
+}
+JNIEXPORT jint JNICALL Agent_OnAttach_methname002(JavaVM *jvm, char *options, void *reserved) {
+    return Agent_Initialize(jvm, options, reserved);
+}
+JNIEXPORT jint JNI_OnLoad_methname002(JavaVM *jvm, char *options, void *reserved) {
+    return JNI_VERSION_1_8;
+}
+#endif
+jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) {
+    jint res;
+
+    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;
+    }
+
+    return JNI_OK;
+}
+
+JNIEXPORT jint JNICALL
+Java_nsk_jvmti_GetMethodName_methname002_check(JNIEnv *env, jclass cls) {
+    jvmtiError err;
+    jmethodID mid;
+    char *name, *sig, *generic;
+
+    if (jvmti == NULL) {
+        printf("JVMTI client was not properly loaded!\n");
+        return STATUS_FAILED;
+    }
+
+    mid = JNI_ENV_PTR(env)->GetMethodID(JNI_ENV_ARG(env, cls),
+        "<init>", "()V");
+    if (mid == NULL) {
+        printf("Cannot get method ID!\n");
+        return STATUS_FAILED;
+    }
+
+    if (printdump == JNI_TRUE) {
+        printf(">>> invalid method check ...\n");
+    }
+    err = jvmti->GetMethodName(NULL, &name, &sig, &generic);
+    if (err != JVMTI_ERROR_INVALID_METHODID) {
+        printf("Error expected: JVMTI_ERROR_INVALID_METHODID,\n");
+        printf("\tactual: %s (%d)\n", TranslateError(err), err);
+        result = STATUS_FAILED;
+    }
+
+    if (printdump == JNI_TRUE) {
+        printf(">>> (namePtr) null pointer check ...\n");
+    }
+    err = jvmti->GetMethodName(mid, NULL, &sig, &generic);
+    if (err != JVMTI_ERROR_NONE) {
+        printf("(namePtr) unexpected error: %s (%d)\n",
+               TranslateError(err), err);
+        result = STATUS_FAILED;
+    } else {
+        if (printdump == JNI_TRUE) {
+            printf(">>> sig = \"%s\", generic = \"%s\"\n", sig, generic);
+        }
+        if (sig == NULL || strcmp(sig, "()V") != 0) {
+            printf("Wrong field sig: \"%s\", expected: \"I\"\n", sig);
+            result = STATUS_FAILED;
+        }
+    }
+
+    if (printdump == JNI_TRUE) {
+        printf(">>> (signaturePtr) null pointer check ...\n");
+    }
+    err = jvmti->GetMethodName(mid, &name, NULL, &generic);
+    if (err != JVMTI_ERROR_NONE) {
+        printf("(signaturePtr) unexpected error: %s (%d)\n",
+               TranslateError(err), err);
+        result = STATUS_FAILED;
+    } else {
+        if (printdump == JNI_TRUE) {
+            printf(">>> name = \"%s\", generic = \"%s\"\n", name, generic);
+        }
+        if (name == NULL || strcmp(name, "<init>") != 0) {
+            printf("Wrong field name: \"%s\", expected: \"fld\"\n", name);
+            result = STATUS_FAILED;
+        }
+    }
+
+    if (printdump == JNI_TRUE) {
+        printf(">>> (genericPtr) null pointer check ...\n");
+    }
+    err = jvmti->GetMethodName(mid, &name, &sig, NULL);
+    if (err != JVMTI_ERROR_NONE) {
+        printf("(signaturePtr) unexpected error: %s (%d)\n",
+               TranslateError(err), err);
+        result = STATUS_FAILED;
+    } else {
+        if (printdump == JNI_TRUE) {
+            printf(">>> name = \"%s\", sig = \"%s\"\n", name, sig);
+        }
+        if (name == NULL || strcmp(name, "<init>") != 0) {
+            printf("Wrong field name: \"%s\", expected: \"fld\"\n", name);
+            result = STATUS_FAILED;
+        }
+        if (sig == NULL || strcmp(sig, "()V") != 0) {
+            printf("Wrong field sig: \"%s\", expected: \"I\"\n", sig);
+            result = STATUS_FAILED;
+        }
+    }
+
+    if (printdump == JNI_TRUE) {
+        printf(">>> ... done\n");
+    }
+
+    return result;
+}
+
+#ifdef __cplusplus
+}
+#endif