jdk8-mips64-public/hotspot: test/runtime/jni/CallWithJNIWeak/CallWithJNIWeak.c@e86bc9786d83

8223664: Add jtreg tests for 8223528, backport to jdk8u of 8176100
Summary: Add hotspot/test/runtime/jni directory with two tests for 8176100
Reviewed-by: kbarrett, coleenp, tschatzl

     1 /*

     2  * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  */

    24 #include <jni.h>

    26 /*

    27  * Class:     CallWithJNIWeak

    28  * Method:    testJNIFieldAccessors

    29  * Signature: (LCallWithJNIWeak;)V

    30  */

    31 JNIEXPORT void JNICALL

    32 Java_CallWithJNIWeak_testJNIFieldAccessors(JNIEnv *env, jclass clazz, jobject this) {

    33   // Make sure that we have a weak reference to the receiver

    35   jweak self = (*env)->NewWeakGlobalRef(env, this);

    37   jclass this_class = (*env)->GetObjectClass(env, self);

    39   jclass exception = (*env)->FindClass(env, "java/lang/RuntimeException");

    41   jfieldID id_i = (*env)->GetFieldID(env, this_class, "i", "I");

    42   jfieldID id_j = (*env)->GetFieldID(env, this_class, "j", "J");

    43   jfieldID id_z = (*env)->GetFieldID(env, this_class, "z", "Z");

    44   jfieldID id_c = (*env)->GetFieldID(env, this_class, "c", "C");

    45   jfieldID id_s = (*env)->GetFieldID(env, this_class, "s", "S");

    46   jfieldID id_f = (*env)->GetFieldID(env, this_class, "f", "F");

    47   jfieldID id_d = (*env)->GetFieldID(env, this_class, "d", "D");

    48   jfieldID id_l = (*env)->GetFieldID(env, this_class, "l", "Ljava/lang/Object;");

    49   jvalue v;

    51 #define CHECK(variable, expected)                                   \

    52   do {                                                              \

    53     if ((variable) != (expected)) {                                 \

    54       (*env)->ThrowNew(env, exception,  #variable" != " #expected); \

    55       return;                                                       \

    56     }                                                               \

    57   } while(0)

    59   // The values checked below must be kept in sync with the Java source file.

    61   v.i = (*env)->GetIntField(env, self, id_i);

    62   CHECK(v.i, 1);

    64   v.j = (*env)->GetLongField(env, self, id_j);

    65   CHECK(v.j, 2);

    67   v.z = (*env)->GetBooleanField(env, self, id_z);

    68   CHECK(v.z, JNI_TRUE);

    70   v.c = (*env)->GetCharField(env, self, id_c);

    71   CHECK(v.c, 'a');

    73   v.s = (*env)->GetShortField(env, self, id_s);

    74   CHECK(v.s, 3);

    76   v.f = (*env)->GetFloatField(env, self, id_f);

    77   CHECK(v.f, 1.0f);

    79   v.d = (*env)->GetDoubleField(env, self, id_d);

    80   CHECK(v.d, 2.0);

    82 #undef CHECK

    84   v.l = (*env)->GetObjectField(env, self, id_l);

    85   if (v.l == NULL) {

    86     (*env)->ThrowNew(env, exception, "Object field was null");

    87     return;

    88   }

    89   {

    90     jclass clz = (*env)->GetObjectClass(env, v.l);

    91     if (!(*env)->IsSameObject(env, clazz, clz)) {

    92       (*env)->ThrowNew(env, exception, "Bad object class");

    93     }

    94   }

    96   (*env)->DeleteWeakGlobalRef(env, self);

    97 }

    99 /*

   100  * Class:     CallWithJNIWeak

   101  * Method:    runTests

   102  * Signature: (LCallWithJNIWeak;)V

   103  */

   104 JNIEXPORT void JNICALL

   105 Java_CallWithJNIWeak_runTests(JNIEnv *env, jclass clazz, jobject this) {

   106   jweak that = (*env)->NewWeakGlobalRef(env, this);

   107   {

   108     jmethodID method = (*env)->GetStaticMethodID(env,

   109                                                  clazz, "testJNIFieldAccessors", "(LCallWithJNIWeak;)V");

   110     (*env)->CallStaticVoidMethod(env, clazz, method, that);

   111     if ((*env)->ExceptionCheck(env)) {

   112       return;

   113     }

   114   }

   116   {

   117     jmethodID method = (*env)->GetMethodID(env, clazz, "weakReceiverTest", "()V");

   118     (*env)->CallVoidMethod(env, that, method);

   119     if ((*env)->ExceptionCheck(env)) {

   120       return;

   121     }

   122   }

   124   {

   125     jmethodID method = (*env)->GetMethodID(env, clazz, "synchonizedWeakReceiverTest", "()V");

   126     (*env)->CallVoidMethod(env, that, method);

   127     if ((*env)->ExceptionCheck(env)) {

   128       return;

   129     }

   130   }

   131   (*env)->DeleteWeakGlobalRef(env, that);

   132 }

   134 /*

   135  * Class:     CallWithJNIWeak

   136  * Method:    weakReceiverTest0

   137  * Signature: ()V

   138  */

   139 JNIEXPORT void JNICALL

   140 Java_CallWithJNIWeak_weakReceiverTest0(JNIEnv *env, jobject obj) {

   141   (*env)->GetObjectClass(env, obj);

   142 }

Mercurial > jdk8-mips64-public > hotspot / file revision

test/runtime/jni/CallWithJNIWeak/CallWithJNIWeak.c@e86bc9786d83

test/runtime/jni/CallWithJNIWeak/CallWithJNIWeak.c