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livetrax/libs/audiographer/tests/general/interleaver_test.cc

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#include "tests/utils.h"
#include "audiographer/general/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;
samples = 128;
random_data = TestUtils::init_random_data (samples, 1.0);
interleaver.reset (new Interleaver<float>());
sink.reset (new VectorSink<float>());
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interleaver->init (channels, samples);
}
void tearDown()
{
delete [] random_data;
}
void testUninitialized()
{
interleaver.reset (new Interleaver<float>());
ProcessContext<float> c (random_data, samples, 1);
CPPUNIT_ASSERT_THROW (interleaver->input(0)->process (c), Exception);
}
void testInvalidInputIndex()
{
ProcessContext<float> c (random_data, samples, 1);
CPPUNIT_ASSERT_THROW (interleaver->input (3)->process (c), Exception);
}
void testInvalidInputSize()
{
ProcessContext<float> c (random_data, samples + 1, 1);
CPPUNIT_ASSERT_THROW (interleaver->input (0)->process (c), Exception);
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interleaver->input (0)->process (c.beginning (samples));
interleaver->input (1)->process (c.beginning (samples));
CPPUNIT_ASSERT_THROW (interleaver->input (2)->process (c.beginning (samples - 1)), Exception);
interleaver->input (0)->process (c.beginning (samples - 1));
interleaver->input (1)->process (c.beginning (samples - 1));
CPPUNIT_ASSERT_THROW (interleaver->input (2)->process (c.beginning (samples)), Exception);
}
void testOutputSize()
{
interleaver->add_output (sink);
ProcessContext<float> c (random_data, samples, 1);
interleaver->input (0)->process (c);
interleaver->input (1)->process (c);
interleaver->input (2)->process (c);
samplecnt_t expected_samples = samples * channels;
samplecnt_t generated_samples = sink->get_data().size();
CPPUNIT_ASSERT_EQUAL (expected_samples, generated_samples);
samplecnt_t less_samples = samples / 2;
interleaver->input (0)->process (c.beginning (less_samples));
interleaver->input (1)->process (c.beginning (less_samples));
interleaver->input (2)->process (c.beginning (less_samples));
expected_samples = less_samples * channels;
generated_samples = sink->get_data().size();
CPPUNIT_ASSERT_EQUAL (expected_samples, generated_samples);
}
void testZeroInput()
{
interleaver->add_output (sink);
// input zero samples to all inputs
ProcessContext<float> c (random_data, samples, 1);
interleaver->input (0)->process (c.beginning (0));
interleaver->input (1)->process (c.beginning (0));
interleaver->input (2)->process (c.beginning (0));
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// NOTE zero input is allowed to be a NOP
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// ...now test regular input
interleaver->input (0)->process (c);
interleaver->input (1)->process (c);
interleaver->input (2)->process (c);
samplecnt_t expected_samples = samples * channels;
samplecnt_t generated_samples = sink->get_data().size();
CPPUNIT_ASSERT_EQUAL (expected_samples, generated_samples);
}
void testChannelSync()
{
interleaver->add_output (sink);
ProcessContext<float> c (random_data, samples, 1);
interleaver->input (0)->process (c);
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CPPUNIT_ASSERT_THROW (interleaver->input (0)->process (c), Exception);
}
private:
boost::shared_ptr<Interleaver<float> > interleaver;
boost::shared_ptr<VectorSink<float> > sink;
samplecnt_t channels;
float * random_data;
samplecnt_t samples;
};
CPPUNIT_TEST_SUITE_REGISTRATION (InterleaverTest);