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Diffstat (limited to 'libs/ardour/test/InterpolationTest.h')
-rw-r--r-- | libs/ardour/test/InterpolationTest.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/libs/ardour/test/InterpolationTest.h b/libs/ardour/test/InterpolationTest.h new file mode 100644 index 0000000000..639c8fc956 --- /dev/null +++ b/libs/ardour/test/InterpolationTest.h @@ -0,0 +1,62 @@ +/* + * Copyright(C) 2000-2008 Paul Davis + * Author: Hans Baier + * + * Evoral is free software; you can redistribute it and/or modify it under the + * terms of the GNU General Public License as published by the Free Software + * Foundation; either version 2 of the License, or(at your option) any later + * version. + * + * Evoral is distributed in the hope that it will be useful, but WITHOUT ANY + * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS + * FOR A PARTICULAR PURPOSE. See the GNU General Public License for details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <cassert> +#include <stdint.h> +#include <cppunit/TestFixture.h> +#include <cppunit/extensions/HelperMacros.h> + +#include "ardour/interpolation.h" + +class InterpolationTest : public CppUnit::TestFixture +{ + CPPUNIT_TEST_SUITE(InterpolationTest); + CPPUNIT_TEST(cubicInterpolationTest); + CPPUNIT_TEST(linearInterpolationTest); + CPPUNIT_TEST_SUITE_END(); + + #define NUM_SAMPLES 1000000 + #define INTERVAL 100 + + ARDOUR::Sample input[NUM_SAMPLES]; + ARDOUR::Sample output[NUM_SAMPLES]; + + ARDOUR::LinearInterpolation linear; + ARDOUR::CubicInterpolation cubic; + + public: + + void setUp() { + for (int i = 0; i < NUM_SAMPLES; ++i) { + if (i % INTERVAL == 0) { + input[i] = 1.0f; + } else { + input[i] = 0.0f; + } + output[i] = 0.0f; + } + linear.add_channel_to (NUM_SAMPLES, NUM_SAMPLES); + cubic.add_channel_to (NUM_SAMPLES, NUM_SAMPLES); + } + + void tearDown() { + } + + void linearInterpolationTest(); + void cubicInterpolationTest(); +}; |