1 files changed, 72 insertions, 0 deletions
diff --git a/gnuradio-runtime/lib/qa_circular_file.cc b/gnuradio-runtime/lib/qa_circular_file.cc
new file mode 100644
index 0000000000..d80831b4b9
--- /dev/null
+++ b/gnuradio-runtime/lib/qa_circular_file.cc
@@ -0,0 +1,72 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2002,2013 Free Software Foundation, Inc.
+ *
+ * This file is part of GNU Radio
+ *
+ * GNU Radio is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3, or (at your option)
+ * any later version.
+ *
+ * GNU Radio 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 for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Radio; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "qa_circular_file.h"
+#include "circular_file.h"
+#include <cppunit/TestAssert.h>
+#include <iostream>
+#include <stdio.h>
+#include <unistd.h>
+
+static const char *test_file = "qa_gr_circular_file.data";
+static const int BUFFER_SIZE = 8192;
+static const int NWRITE = 8192 * 9 / 8;
+
+void
+qa_circular_file::t1()
+{
+#ifdef HAVE_MMAP
+  gr::circular_file *cf_writer;
+  gr::circular_file *cf_reader;
+
+  // write the data...
+  cf_writer = new gr::circular_file(test_file, true,
+                                    BUFFER_SIZE * sizeof(short));
+
+  short sd;
+  for(int i = 0; i < NWRITE; i++) {
+    sd = i;
+    cf_writer->write(&sd, sizeof (sd));
+  }
+
+  delete cf_writer;
+
+  // now read it back...
+  cf_reader = new gr::circular_file(test_file);
+  for(int i = 0; i < BUFFER_SIZE; i++) {
+    int n = cf_reader->read (&sd, sizeof(sd));
+    CPPUNIT_ASSERT_EQUAL((int) sizeof (sd), n);
+    CPPUNIT_ASSERT_EQUAL(NWRITE - BUFFER_SIZE + i, (int)sd);
+  }
+
+  int n = cf_reader->read(&sd, sizeof(sd));
+  CPPUNIT_ASSERT_EQUAL(0, n);
+
+  delete cf_reader;
+  unlink(test_file);
+#endif // HAVE_MMAP
+}
+