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-rw-r--r--host/tests/convert_test.cpp74
1 files changed, 67 insertions, 7 deletions
diff --git a/host/tests/convert_test.cpp b/host/tests/convert_test.cpp
index 1a5d30080..519b7b711 100644
--- a/host/tests/convert_test.cpp
+++ b/host/tests/convert_test.cpp
@@ -1,5 +1,5 @@
//
-// Copyright 2011-2011 Ettus Research LLC
+// Copyright 2011-2012 Ettus Research LLC
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
@@ -67,13 +67,13 @@ template <typename Range> static void loopback(
* Test short conversion
**********************************************************************/
static void test_convert_types_sc16(
- size_t nsamps, convert::id_type &id
+ size_t nsamps, convert::id_type &id, const int extra_div = 1
){
//fill the input samples
std::vector<sc16_t> input(nsamps), output(nsamps);
BOOST_FOREACH(sc16_t &in, input) in = sc16_t(
- std::rand()-(RAND_MAX/2),
- std::rand()-(RAND_MAX/2)
+ short(((std::rand()/double(RAND_MAX/2)) - 1)*32767/extra_div),
+ short(((std::rand()/double(RAND_MAX/2)) - 1)*32767/extra_div)
);
//run the loopback and test
@@ -116,15 +116,15 @@ BOOST_AUTO_TEST_CASE(test_convert_types_le_sc16){
**********************************************************************/
template <typename data_type>
static void test_convert_types_for_floats(
- size_t nsamps, convert::id_type &id
+ size_t nsamps, convert::id_type &id, const double extra_scale = 1.0
){
typedef typename data_type::value_type value_type;
//fill the input samples
std::vector<data_type> input(nsamps), output(nsamps);
BOOST_FOREACH(data_type &in, input) in = data_type(
- (std::rand()/value_type(RAND_MAX/2)) - 1,
- (std::rand()/value_type(RAND_MAX/2)) - 1
+ ((std::rand()/value_type(RAND_MAX/2)) - 1)*extra_scale,
+ ((std::rand()/value_type(RAND_MAX/2)) - 1)*extra_scale
);
//run the loopback and test
@@ -280,3 +280,63 @@ BOOST_AUTO_TEST_CASE(test_convert_types_sc16_to_fc32){
MY_CHECK_CLOSE(input[i].imag()/float(32767), output[i].imag(), float(0.01));
}
}
+
+/***********************************************************************
+ * Test sc8 conversions
+ **********************************************************************/
+BOOST_AUTO_TEST_CASE(test_convert_types_fc64_and_sc8){
+ convert::id_type id;
+ id.input_format = "fc64";
+ id.num_inputs = 1;
+ id.num_outputs = 1;
+
+ //try various lengths to test edge cases
+ id.output_format = "sc8_item32_le";
+ for (size_t nsamps = 1; nsamps < 16; nsamps++){
+ test_convert_types_for_floats<fc64_t>(nsamps, id, 1./256);
+ }
+
+ //try various lengths to test edge cases
+ id.output_format = "sc8_item32_be";
+ for (size_t nsamps = 1; nsamps < 16; nsamps++){
+ test_convert_types_for_floats<fc64_t>(nsamps, id, 1./256);
+ }
+}
+
+BOOST_AUTO_TEST_CASE(test_convert_types_fc32_and_sc8){
+ convert::id_type id;
+ id.input_format = "fc32";
+ id.num_inputs = 1;
+ id.num_outputs = 1;
+
+ //try various lengths to test edge cases
+ id.output_format = "sc8_item32_le";
+ for (size_t nsamps = 1; nsamps < 16; nsamps++){
+ test_convert_types_for_floats<fc32_t>(nsamps, id, 1./256);
+ }
+
+ //try various lengths to test edge cases
+ id.output_format = "sc8_item32_be";
+ for (size_t nsamps = 1; nsamps < 16; nsamps++){
+ test_convert_types_for_floats<fc32_t>(nsamps, id, 1./256);
+ }
+}
+
+BOOST_AUTO_TEST_CASE(test_convert_types_sc16_and_sc8){
+ convert::id_type id;
+ id.input_format = "sc16";
+ id.num_inputs = 1;
+ id.num_outputs = 1;
+
+ //try various lengths to test edge cases
+ id.output_format = "sc8_item32_le";
+ for (size_t nsamps = 1; nsamps < 16; nsamps++){
+ test_convert_types_sc16(nsamps, id, 256);
+ }
+
+ //try various lengths to test edge cases
+ id.output_format = "sc8_item32_be";
+ for (size_t nsamps = 1; nsamps < 16; nsamps++){
+ test_convert_types_sc16(nsamps, id, 256);
+ }
+}