libs/audiographer/tests/utils/identity_vertex_test.cc

   1 #include "tests/utils.h"
   2
   3 #include "audiographer/utils/identity_vertex.h"
   4
   5 using namespace AudioGrapher;
   6
   7 class IdentityVertexTest : public CppUnit::TestFixture
   8 {
   9   CPPUNIT_TEST_SUITE (IdentityVertexTest);
  10   CPPUNIT_TEST (testProcess);
  11   CPPUNIT_TEST (testRemoveOutput);
  12   CPPUNIT_TEST (testClearOutputs);
  13   CPPUNIT_TEST_SUITE_END ();
  14
  15   public:
  16         void setUp()
  17         {
  18                 frames = 128;
  19                 random_data = TestUtils::init_random_data(frames);
  20
  21                 zero_data = new float[frames];
  22                 memset (zero_data, 0, frames * sizeof(float));
  23
  24                 sink_a.reset (new VectorSink<float>());
  25                 sink_b.reset (new VectorSink<float>());
  26         }
  27
  28         void tearDown()
  29         {
  30                 delete [] random_data;
  31                 delete [] zero_data;
  32         }
  33
  34         void testProcess()
  35         {
  36                 vertex.reset (new IdentityVertex<float>());
  37                 vertex->add_output (sink_a);
  38                 vertex->add_output (sink_b);
  39
  40                 framecnt_t frames_output = 0;
  41
  42                 ProcessContext<float> c (random_data, frames, 1);
  43                 vertex->process (c);
  44
  45                 frames_output = sink_a->get_data().size();
  46                 CPPUNIT_ASSERT_EQUAL (frames, frames_output);
  47
  48                 frames_output = sink_b->get_data().size();
  49                 CPPUNIT_ASSERT_EQUAL (frames, frames_output);
  50
  51                 CPPUNIT_ASSERT (TestUtils::array_equals (random_data, sink_a->get_array(), frames));
  52                 CPPUNIT_ASSERT (TestUtils::array_equals (random_data, sink_b->get_array(), frames));
  53         }
  54
  55         void testRemoveOutput()
  56         {
  57                 vertex.reset (new IdentityVertex<float>());
  58                 vertex->add_output (sink_a);
  59                 vertex->add_output (sink_b);
  60
  61                 ProcessContext<float> c (random_data, frames, 1);
  62                 vertex->process (c);
  63
  64                 vertex->remove_output (sink_a);
  65                 ProcessContext<float> zc (zero_data, frames, 1);
  66                 vertex->process (zc);
  67
  68                 CPPUNIT_ASSERT (TestUtils::array_equals (random_data, sink_a->get_array(), frames));
  69                 CPPUNIT_ASSERT (TestUtils::array_equals (zero_data, sink_b->get_array(), frames));
  70         }
  71
  72         void testClearOutputs()
  73         {
  74                 vertex.reset (new IdentityVertex<float>());
  75                 vertex->add_output (sink_a);
  76                 vertex->add_output (sink_b);
  77
  78                 ProcessContext<float> c (random_data, frames, 1);
  79                 vertex->process (c);
  80
  81                 vertex->clear_outputs ();
  82                 ProcessContext<float> zc (zero_data, frames, 1);
  83                 vertex->process (zc);
  84
  85                 CPPUNIT_ASSERT (TestUtils::array_equals (random_data, sink_a->get_array(), frames));
  86                 CPPUNIT_ASSERT (TestUtils::array_equals (random_data, sink_b->get_array(), frames));
  87         }
  88
  89   private:
  90         boost::shared_ptr<IdentityVertex<float> > vertex;
  91         boost::shared_ptr<VectorSink<float> > sink_a;
  92         boost::shared_ptr<VectorSink<float> > sink_b;
  93
  94         float * random_data;
  95         float * zero_data;
  96         framecnt_t frames;
  97 };
  98
  99 CPPUNIT_TEST_SUITE_REGISTRATION (IdentityVertexTest);
 100