1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/test/runtime/jni/CallWithJNIWeak/CallWithJNIWeak.c Fri May 10 18:50:40 2019 +0000
1.3 @@ -0,0 +1,142 @@
1.4 +/*
1.5 + * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.23 + * or visit www.oracle.com if you need additional information or have any
1.24 + * questions.
1.25 + */
1.26 +
1.27 +#include <jni.h>
1.28 +
1.29 +/*
1.30 + * Class: CallWithJNIWeak
1.31 + * Method: testJNIFieldAccessors
1.32 + * Signature: (LCallWithJNIWeak;)V
1.33 + */
1.34 +JNIEXPORT void JNICALL
1.35 +Java_CallWithJNIWeak_testJNIFieldAccessors(JNIEnv *env, jclass clazz, jobject this) {
1.36 + // Make sure that we have a weak reference to the receiver
1.37 +
1.38 + jweak self = (*env)->NewWeakGlobalRef(env, this);
1.39 +
1.40 + jclass this_class = (*env)->GetObjectClass(env, self);
1.41 +
1.42 + jclass exception = (*env)->FindClass(env, "java/lang/RuntimeException");
1.43 +
1.44 + jfieldID id_i = (*env)->GetFieldID(env, this_class, "i", "I");
1.45 + jfieldID id_j = (*env)->GetFieldID(env, this_class, "j", "J");
1.46 + jfieldID id_z = (*env)->GetFieldID(env, this_class, "z", "Z");
1.47 + jfieldID id_c = (*env)->GetFieldID(env, this_class, "c", "C");
1.48 + jfieldID id_s = (*env)->GetFieldID(env, this_class, "s", "S");
1.49 + jfieldID id_f = (*env)->GetFieldID(env, this_class, "f", "F");
1.50 + jfieldID id_d = (*env)->GetFieldID(env, this_class, "d", "D");
1.51 + jfieldID id_l = (*env)->GetFieldID(env, this_class, "l", "Ljava/lang/Object;");
1.52 + jvalue v;
1.53 +
1.54 +#define CHECK(variable, expected) \
1.55 + do { \
1.56 + if ((variable) != (expected)) { \
1.57 + (*env)->ThrowNew(env, exception, #variable" != " #expected); \
1.58 + return; \
1.59 + } \
1.60 + } while(0)
1.61 +
1.62 + // The values checked below must be kept in sync with the Java source file.
1.63 +
1.64 + v.i = (*env)->GetIntField(env, self, id_i);
1.65 + CHECK(v.i, 1);
1.66 +
1.67 + v.j = (*env)->GetLongField(env, self, id_j);
1.68 + CHECK(v.j, 2);
1.69 +
1.70 + v.z = (*env)->GetBooleanField(env, self, id_z);
1.71 + CHECK(v.z, JNI_TRUE);
1.72 +
1.73 + v.c = (*env)->GetCharField(env, self, id_c);
1.74 + CHECK(v.c, 'a');
1.75 +
1.76 + v.s = (*env)->GetShortField(env, self, id_s);
1.77 + CHECK(v.s, 3);
1.78 +
1.79 + v.f = (*env)->GetFloatField(env, self, id_f);
1.80 + CHECK(v.f, 1.0f);
1.81 +
1.82 + v.d = (*env)->GetDoubleField(env, self, id_d);
1.83 + CHECK(v.d, 2.0);
1.84 +
1.85 +#undef CHECK
1.86 +
1.87 + v.l = (*env)->GetObjectField(env, self, id_l);
1.88 + if (v.l == NULL) {
1.89 + (*env)->ThrowNew(env, exception, "Object field was null");
1.90 + return;
1.91 + }
1.92 + {
1.93 + jclass clz = (*env)->GetObjectClass(env, v.l);
1.94 + if (!(*env)->IsSameObject(env, clazz, clz)) {
1.95 + (*env)->ThrowNew(env, exception, "Bad object class");
1.96 + }
1.97 + }
1.98 +
1.99 + (*env)->DeleteWeakGlobalRef(env, self);
1.100 +}
1.101 +
1.102 +/*
1.103 + * Class: CallWithJNIWeak
1.104 + * Method: runTests
1.105 + * Signature: (LCallWithJNIWeak;)V
1.106 + */
1.107 +JNIEXPORT void JNICALL
1.108 +Java_CallWithJNIWeak_runTests(JNIEnv *env, jclass clazz, jobject this) {
1.109 + jweak that = (*env)->NewWeakGlobalRef(env, this);
1.110 + {
1.111 + jmethodID method = (*env)->GetStaticMethodID(env,
1.112 + clazz, "testJNIFieldAccessors", "(LCallWithJNIWeak;)V");
1.113 + (*env)->CallStaticVoidMethod(env, clazz, method, that);
1.114 + if ((*env)->ExceptionCheck(env)) {
1.115 + return;
1.116 + }
1.117 + }
1.118 +
1.119 + {
1.120 + jmethodID method = (*env)->GetMethodID(env, clazz, "weakReceiverTest", "()V");
1.121 + (*env)->CallVoidMethod(env, that, method);
1.122 + if ((*env)->ExceptionCheck(env)) {
1.123 + return;
1.124 + }
1.125 + }
1.126 +
1.127 + {
1.128 + jmethodID method = (*env)->GetMethodID(env, clazz, "synchonizedWeakReceiverTest", "()V");
1.129 + (*env)->CallVoidMethod(env, that, method);
1.130 + if ((*env)->ExceptionCheck(env)) {
1.131 + return;
1.132 + }
1.133 + }
1.134 + (*env)->DeleteWeakGlobalRef(env, that);
1.135 +}
1.136 +
1.137 +/*
1.138 + * Class: CallWithJNIWeak
1.139 + * Method: weakReceiverTest0
1.140 + * Signature: ()V
1.141 + */
1.142 +JNIEXPORT void JNICALL
1.143 +Java_CallWithJNIWeak_weakReceiverTest0(JNIEnv *env, jobject obj) {
1.144 + (*env)->GetObjectClass(env, obj);
1.145 +}
