Run tests with security manager that prohibits reading kotlinx.* props

Author: elizarov

kotlinx-coroutines-core/pom.xml

@@ -37,6 +37,7 @@
         <sourceDirectory>src/main/kotlin</sourceDirectory>
         <testSourceDirectory>src/test/kotlin</testSourceDirectory>
 
+
         <plugins>
             <plugin>
                 <artifactId>maven-surefire-plugin</artifactId>
@@ -49,7 +50,7 @@
                         <configuration>
                             <forkMode>once</forkMode>
                             <jvm>${env.JDK_16}/bin/java</jvm>
-                            <argLine>-ea -Xmx1g -Xms1g</argLine>
+                            <argLine>-ea -Xmx1g -Xms1g -Djava.security.manager=kotlinx.coroutines.experimental.TestSecurityManager</argLine>
                         </configuration>
                     </execution>
                 </executions>

kotlinx-coroutines-core/src/test/kotlin/kotlinx/coroutines/experimental/TestSecurityManager.kt

@@ -0,0 +1,30 @@
+/*
+ * Copyright 2016-2017 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package kotlinx.coroutines.experimental
+
+import java.security.Permission
+
+class TestSecurityManager : SecurityManager() {
+    override fun checkPropertyAccess(key: String?) {
+        if (key?.startsWith("kotlinx.") == true)
+            throw SecurityException("'$key' property is not allowed")
+    }
+
+    override fun checkPermission(perm: Permission?) {
+        /* allow everything else */
+    }
+}