1 files changed, 142 insertions, 0 deletions
diff --git a/test/runtime/jni/CallWithJNIWeak/CallWithJNIWeak.c b/test/runtime/jni/CallWithJNIWeak/CallWithJNIWeak.c
new file mode 100644
index 000000000..70a661859
--- /dev/null
+++ b/test/runtime/jni/CallWithJNIWeak/CallWithJNIWeak.c
@@ -0,0 +1,142 @@
+/*
+ * Copyright (c) 2017, 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 <jni.h>
+
+/*
+ * Class:     CallWithJNIWeak
+ * Method:    testJNIFieldAccessors
+ * Signature: (LCallWithJNIWeak;)V
+ */
+JNIEXPORT void JNICALL
+Java_CallWithJNIWeak_testJNIFieldAccessors(JNIEnv *env, jclass clazz, jobject this) {
+  // Make sure that we have a weak reference to the receiver
+
+  jweak self = (*env)->NewWeakGlobalRef(env, this);
+
+  jclass this_class = (*env)->GetObjectClass(env, self);
+
+  jclass exception = (*env)->FindClass(env, "java/lang/RuntimeException");
+
+  jfieldID id_i = (*env)->GetFieldID(env, this_class, "i", "I");
+  jfieldID id_j = (*env)->GetFieldID(env, this_class, "j", "J");
+  jfieldID id_z = (*env)->GetFieldID(env, this_class, "z", "Z");
+  jfieldID id_c = (*env)->GetFieldID(env, this_class, "c", "C");
+  jfieldID id_s = (*env)->GetFieldID(env, this_class, "s", "S");
+  jfieldID id_f = (*env)->GetFieldID(env, this_class, "f", "F");
+  jfieldID id_d = (*env)->GetFieldID(env, this_class, "d", "D");
+  jfieldID id_l = (*env)->GetFieldID(env, this_class, "l", "Ljava/lang/Object;");
+  jvalue v;
+
+#define CHECK(variable, expected)                                   \
+  do {                                                              \
+    if ((variable) != (expected)) {                                 \
+      (*env)->ThrowNew(env, exception,  #variable" != " #expected); \
+      return;                                                       \
+    }                                                               \
+  } while(0)
+
+  // The values checked below must be kept in sync with the Java source file.
+
+  v.i = (*env)->GetIntField(env, self, id_i);
+  CHECK(v.i, 1);
+
+  v.j = (*env)->GetLongField(env, self, id_j);
+  CHECK(v.j, 2);
+
+  v.z = (*env)->GetBooleanField(env, self, id_z);
+  CHECK(v.z, JNI_TRUE);
+
+  v.c = (*env)->GetCharField(env, self, id_c);
+  CHECK(v.c, 'a');
+
+  v.s = (*env)->GetShortField(env, self, id_s);
+  CHECK(v.s, 3);
+
+  v.f = (*env)->GetFloatField(env, self, id_f);
+  CHECK(v.f, 1.0f);
+
+  v.d = (*env)->GetDoubleField(env, self, id_d);
+  CHECK(v.d, 2.0);
+
+#undef CHECK
+
+  v.l = (*env)->GetObjectField(env, self, id_l);
+  if (v.l == NULL) {
+    (*env)->ThrowNew(env, exception, "Object field was null");
+    return;
+  }
+  {
+    jclass clz = (*env)->GetObjectClass(env, v.l);
+    if (!(*env)->IsSameObject(env, clazz, clz)) {
+      (*env)->ThrowNew(env, exception, "Bad object class");
+    }
+  }
+
+  (*env)->DeleteWeakGlobalRef(env, self);
+}
+
+/*
+ * Class:     CallWithJNIWeak
+ * Method:    runTests
+ * Signature: (LCallWithJNIWeak;)V
+ */
+JNIEXPORT void JNICALL
+Java_CallWithJNIWeak_runTests(JNIEnv *env, jclass clazz, jobject this) {
+  jweak that = (*env)->NewWeakGlobalRef(env, this);
+  {
+    jmethodID method = (*env)->GetStaticMethodID(env,
+                                                 clazz, "testJNIFieldAccessors", "(LCallWithJNIWeak;)V");
+    (*env)->CallStaticVoidMethod(env, clazz, method, that);
+    if ((*env)->ExceptionCheck(env)) {
+      return;
+    }
+  }
+
+  {
+    jmethodID method = (*env)->GetMethodID(env, clazz, "weakReceiverTest", "()V");
+    (*env)->CallVoidMethod(env, that, method);
+    if ((*env)->ExceptionCheck(env)) {
+      return;
+    }
+  }
+
+  {
+    jmethodID method = (*env)->GetMethodID(env, clazz, "synchonizedWeakReceiverTest", "()V");
+    (*env)->CallVoidMethod(env, that, method);
+    if ((*env)->ExceptionCheck(env)) {
+      return;
+    }
+  }
+  (*env)->DeleteWeakGlobalRef(env, that);
+}
+
+/*
+ * Class:     CallWithJNIWeak
+ * Method:    weakReceiverTest0
+ * Signature: ()V
+ */
+JNIEXPORT void JNICALL
+Java_CallWithJNIWeak_weakReceiverTest0(JNIEnv *env, jobject obj) {
+  (*env)->GetObjectClass(env, obj);
+}