<permission
    android:protectionLevel="signatureOrSystem"
    android:name="abcd" />
<uses-permission android:name="abcd" />

public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    PackageManager pm = getPackageManager();
    try {
        PackageInfo pi = pm.getPackageInfo("com.test.check", PackageManager.GET_PERMISSIONS);
        if ((null == pi.requestedPermissions) ||
            (pi.requestedPermissions.length == 0)) {
            Log.d("CHECK", "Package has NO permissions!");
            finish();
            return;
        }

        for (int i = 0; i < pi.requestedPermissions.length; ++i) {
            Log.d("CHECK", pi.requestedPermissions[i] + " " + checkCallingOrSelfPermission(pi.requestedPermissions[i]));
        }
    } catch (NameNotFoundException e) {
        Log.d("CHECK", "Package name is wrong!");
    }

    finish();
}

D/CHECK   ( 3600): abcd -1

boolean permission = (PackageManager.PERMISSION_GRANTED == checkCallingPermission(PERMISSION_NAME));

PackageManager pm = getPackageManager();
boolean permission = (PackageManager.PERMISSION_GRANTED == pm.checkPermission(PERMISSION_NAME, pm.getNameForUid(getCallingUid())));