61 lines
1.4 KiB
C++
61 lines
1.4 KiB
C++
#include "tests/utils.h"
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#include "audiographer/general/normalizer.h"
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#include "audiographer/general/peak_reader.h"
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using namespace AudioGrapher;
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class NormalizerTest : public CppUnit::TestFixture
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{
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CPPUNIT_TEST_SUITE (NormalizerTest);
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CPPUNIT_TEST (testConstAmplify);
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CPPUNIT_TEST_SUITE_END ();
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public:
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void setUp()
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{
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frames = 1024;
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}
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void tearDown()
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{
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delete [] random_data;
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}
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void testConstAmplify()
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{
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float target = 0.0;
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random_data = TestUtils::init_random_data(frames, 0.5);
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normalizer.reset (new Normalizer(target));
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peak_reader.reset (new PeakReader());
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sink.reset (new VectorSink<float>());
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ProcessContext<float> const c (random_data, frames, 1);
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peak_reader->process (c);
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float peak = peak_reader->get_peak();
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normalizer->alloc_buffer (frames);
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normalizer->set_peak (peak);
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normalizer->add_output (sink);
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normalizer->process (c);
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peak_reader->reset();
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ConstProcessContext<float> normalized (sink->get_array(), frames, 1);
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peak_reader->process (normalized);
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peak = peak_reader->get_peak();
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CPPUNIT_ASSERT (-FLT_EPSILON <= (peak - 1.0) && (peak - 1.0) <= 0.0);
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}
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private:
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boost::shared_ptr<Normalizer> normalizer;
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boost::shared_ptr<PeakReader> peak_reader;
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boost::shared_ptr<VectorSink<float> > sink;
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float * random_data;
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nframes_t frames;
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};
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CPPUNIT_TEST_SUITE_REGISTRATION (NormalizerTest);
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