/**
* Runs Runnable r with a security policy that permits precisely the specified permissions. If
* there is no current security manager, the runnable is run twice, both with and without a
* security manager. We require that any security manager permit getPolicy/setPolicy.
*/
public void runWithPermissions(Runnable r, Permission... permissions) {
SecurityManager sm = System.getSecurityManager();
if (sm == null) {
r.run();
Policy savedPolicy = Policy.getPolicy();
try {
Policy.setPolicy(permissivePolicy());
System.setSecurityManager(new SecurityManager());
runWithPermissions(r, permissions);
} finally {
System.setSecurityManager(null);
Policy.setPolicy(savedPolicy);
}
} else {
Policy savedPolicy = Policy.getPolicy();
AdjustablePolicy policy = new AdjustablePolicy(permissions);
Policy.setPolicy(policy);
try {
r.run();
} finally {
policy.addPermission(new SecurityPermission("setPolicy"));
Policy.setPolicy(savedPolicy);
}
}
}
/** Runs all JSR166 unit tests using junit.textui.TestRunner */
public static void main(String[] args) {
if (useSecurityManager) {
System.err.println("Setting a permissive security manager");
Policy.setPolicy(permissivePolicy());
System.setSecurityManager(new SecurityManager());
}
int iters = (args.length == 0) ? 1 : Integer.parseInt(args[0]);
Test s = suite();
for (int i = 0; i < iters; ++i) {
junit.textui.TestRunner.run(s);
System.gc();
System.runFinalization();
}
System.exit(0);
}