From 4f6b982c87b36a377ed270f2fd4ae6cddb6e0aa3 Mon Sep 17 00:00:00 2001
From: cottrema <mark.cottrell@taitradio.com>
Date: Mon, 23 Jun 2014 11:02:08 +1200
Subject: call do_update after calling open in the file source constructor,
otherwise if seek is called before work, a segmentation fault will occur as
d_fp is null
---
gr-blocks/python/blocks/qa_file_source_sink.py | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
(limited to 'gr-blocks/python/blocks/qa_file_source_sink.py')
diff --git a/gr-blocks/python/blocks/qa_file_source_sink.py b/gr-blocks/python/blocks/qa_file_source_sink.py
index f35912b229..89841d3be6 100644
--- a/gr-blocks/python/blocks/qa_file_source_sink.py
+++ b/gr-blocks/python/blocks/qa_file_source_sink.py
@@ -88,6 +88,22 @@ class test_file_source_sink(gr_unittest.TestCase):
result_data = snk2.data()
self.assertFloatTuplesAlmostEqual(expected_result, result_data)
+ def test_file_source_can_seek_after_open(self):
+ src_data = range(1000)
+
+ filename = "tmp.32f"
+ src = blocks.vector_source_f(src_data)
+ snk = blocks.file_sink(gr.sizeof_float, filename)
+ snk.set_unbuffered(True)
+
+ self.tb.connect(src, snk)
+ self.tb.run()
+
+ source = blocks.file_source(gr.sizeof_float, filename)
+ self.assertTrue(source.seek(0, os.SEEK_SET))
+
+ os.remove(filename)
+
if __name__ == '__main__':
gr_unittest.run(test_file_source_sink, "test_file_source_sink.xml")
--
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