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#include "utils.h"
#include "audiographer/interleaver.h"
using namespace AudioGrapher;
class InterleaverTest : public CppUnit::TestFixture
{
CPPUNIT_TEST_SUITE (InterleaverTest);
CPPUNIT_TEST (testUninitialized);
CPPUNIT_TEST (testInvalidInputIndex);
CPPUNIT_TEST (testInvalidInputSize);
CPPUNIT_TEST (testOutputSize);
CPPUNIT_TEST (testZeroInput);
CPPUNIT_TEST (testChannelSync);
CPPUNIT_TEST_SUITE_END ();
public:
void setUp()
{
channels = 3;
frames = 128;
random_data = TestUtils::init_random_data (frames, 1.0);
interleaver.reset (new Interleaver<float>());
sink.reset (new VectorSink<float>());
interleaver->init (channels, frames);
}
void tearDown()
{
delete [] random_data;
}
void testUninitialized()
{
interleaver.reset (new Interleaver<float>());
ProcessContext<float> c (random_data, frames, 1);
CPPUNIT_ASSERT_THROW (interleaver->input(0)->process (c), Exception);
}
void testInvalidInputIndex()
{
ProcessContext<float> c (random_data, frames, 1);
CPPUNIT_ASSERT_THROW (interleaver->input (3)->process (c), Exception);
}
void testInvalidInputSize()
{
ProcessContext<float> c (random_data, frames + 1, 1);
CPPUNIT_ASSERT_THROW (interleaver->input (0)->process (c), Exception);
c.frames() = frames;
interleaver->input (0)->process (c);
interleaver->input (1)->process (c);
c.frames() = frames -1;
CPPUNIT_ASSERT_THROW (interleaver->input (2)->process (c), Exception);
interleaver->input (0)->process (c);
interleaver->input (1)->process (c);
c.frames() = frames;
CPPUNIT_ASSERT_THROW (interleaver->input (2)->process (c), Exception);
}
void testOutputSize()
{
interleaver->add_output (sink);
ProcessContext<float> c (random_data, frames, 1);
interleaver->input (0)->process (c);
interleaver->input (1)->process (c);
interleaver->input (2)->process (c);
nframes_t expected_frames = frames * channels;
nframes_t generated_frames = sink->get_data().size();
CPPUNIT_ASSERT_EQUAL (expected_frames, generated_frames);
nframes_t less_frames = frames / 2;
c.frames() = less_frames;
interleaver->input (0)->process (c);
interleaver->input (1)->process (c);
interleaver->input (2)->process (c);
expected_frames = less_frames * channels;
generated_frames = sink->get_data().size();
CPPUNIT_ASSERT_EQUAL (expected_frames, generated_frames);
}
void testZeroInput()
{
interleaver->add_output (sink);
// input zero frames to all inputs
ProcessContext<float> c (random_data, 0, 1);
interleaver->input (0)->process (c);
interleaver->input (1)->process (c);
interleaver->input (2)->process (c);
// NOTE zero input is allowed to be a NOP
// ...now test regular input
c.frames() = frames;
interleaver->input (0)->process (c);
interleaver->input (1)->process (c);
interleaver->input (2)->process (c);
nframes_t expected_frames = frames * channels;
nframes_t generated_frames = sink->get_data().size();
CPPUNIT_ASSERT_EQUAL (expected_frames, generated_frames);
}
void testChannelSync()
{
interleaver->add_output (sink);
ProcessContext<float> c (random_data, frames, 1);
interleaver->input (0)->process (c);
CPPUNIT_ASSERT_THROW (interleaver->input (0)->process (c), Exception);
}
private:
boost::shared_ptr<Interleaver<float> > interleaver;
boost::shared_ptr<VectorSink<float> > sink;
nframes_t channels;
float * random_data;
nframes_t frames;
};
CPPUNIT_TEST_SUITE_REGISTRATION (InterleaverTest);
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