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172 lines
7.2 KiB
172 lines
7.2 KiB
/* |
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This file is part of Magnum. |
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Copyright © 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, |
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2020, 2021, 2022 Vladimír Vondruš <mosra@centrum.cz> |
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Permission is hereby granted, free of charge, to any person obtaining a |
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copy of this software and associated documentation files (the "Software"), |
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to deal in the Software without restriction, including without limitation |
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the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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and/or sell copies of the Software, and to permit persons to whom the |
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Software is furnished to do so, subject to the following conditions: |
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The above copyright notice and this permission notice shall be included |
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in all copies or substantial portions of the Software. |
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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DEALINGS IN THE SOFTWARE. |
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*/ |
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#include <Corrade/TestSuite/Tester.h> |
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#include <Corrade/TestSuite/Compare/Numeric.h> |
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#include <Corrade/Utility/System.h> |
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#include "Magnum/Magnum.h" |
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#include "Magnum/Timeline.h" |
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namespace Magnum { namespace Test { namespace { |
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struct TimelineTest: TestSuite::Tester { |
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explicit TimelineTest(); |
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void test(); |
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}; |
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TimelineTest::TimelineTest() { |
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addTests({&TimelineTest::test}); |
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} |
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void TimelineTest::test() { |
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/* Can't reliably test that the measured time is less than something unless |
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we'd have the sleeps prohibitively long. So just verifying the measured |
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time isn't less than expected, and that it increases over time. |
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On Emscripten the returned time is however sometimes *less* than the |
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sleep, so subtracting an epsilon to account for that. */ |
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constexpr std::size_t ms = 50; |
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constexpr Float s = 0.001f*ms; |
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constexpr Float epsilon = 0.01f; |
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/* The timeline is stopped by default, so everything is zero */ |
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Timeline timeline; |
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CORRADE_COMPARE(timeline.previousFrameTime(), 0.0f); |
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CORRADE_COMPARE(timeline.previousFrameDuration(), 0.0f); |
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CORRADE_COMPARE(timeline.currentFrameTime(), 0.0f); |
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CORRADE_COMPARE(timeline.currentFrameDuration(), 0.0f); |
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/* And it continues to be 0 */ |
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Utility::System::sleep(ms); |
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CORRADE_COMPARE(timeline.previousFrameTime(), 0.0f); |
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CORRADE_COMPARE(timeline.previousFrameDuration(), 0.0f); |
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CORRADE_COMPARE(timeline.currentFrameTime(), 0.0f); |
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CORRADE_COMPARE(timeline.currentFrameDuration(), 0.0f); |
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/* There's no previous frame right after the start */ |
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timeline.start(); |
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CORRADE_COMPARE(timeline.previousFrameTime(), 0.0f); |
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CORRADE_COMPARE(timeline.previousFrameDuration(), 0.0f); |
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/* Still no previous frame, but current frame starts growing */ |
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Utility::System::sleep(ms); |
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CORRADE_COMPARE(timeline.previousFrameTime(), 0.0f); |
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CORRADE_COMPARE(timeline.previousFrameDuration(), 0.0f); |
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CORRADE_COMPARE_AS(timeline.currentFrameTime(), s - epsilon, |
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TestSuite::Compare::GreaterOrEqual); |
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CORRADE_COMPARE_AS(timeline.currentFrameDuration(), s - epsilon, |
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TestSuite::Compare::GreaterOrEqual); |
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CORRADE_COMPARE_WITH(timeline.currentFrameTime(), |
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timeline.currentFrameDuration(), |
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TestSuite::Compare::around(0.01f)); |
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/* Now the previous frame is there */ |
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timeline.nextFrame(); |
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Float firstFrameTime = timeline.previousFrameTime(); |
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Float firstFrameDuration = timeline.previousFrameDuration(); |
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CORRADE_COMPARE_AS(firstFrameTime, s - epsilon, |
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TestSuite::Compare::GreaterOrEqual); |
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CORRADE_COMPARE_AS(firstFrameDuration, s - epsilon, |
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TestSuite::Compare::GreaterOrEqual); |
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CORRADE_COMPARE_AS(timeline.previousFrameDuration(), |
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timeline.previousFrameTime(), |
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TestSuite::Compare::LessOrEqual); |
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/* And it doesn't change until another nextFrame() call. Current frame |
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grows again. */ |
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Utility::System::sleep(ms); |
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CORRADE_COMPARE(timeline.previousFrameTime(), firstFrameTime); |
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CORRADE_COMPARE(timeline.previousFrameDuration(), firstFrameDuration); |
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CORRADE_COMPARE_AS(timeline.currentFrameTime(), firstFrameTime, |
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TestSuite::Compare::Greater); |
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CORRADE_COMPARE_AS(timeline.currentFrameTime(), 2*s - epsilon, |
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TestSuite::Compare::GreaterOrEqual); |
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CORRADE_COMPARE_AS(timeline.currentFrameDuration(), s - epsilon, |
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TestSuite::Compare::GreaterOrEqual); |
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/* Third frame being measured now */ |
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timeline.nextFrame(); |
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Float secondFrameTime = timeline.previousFrameTime(); |
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Float secondFrameDuration = timeline.previousFrameDuration(); |
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CORRADE_COMPARE_AS(secondFrameTime, firstFrameTime, |
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TestSuite::Compare::Greater); |
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CORRADE_COMPARE_AS(secondFrameTime, 2*s - epsilon, |
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TestSuite::Compare::GreaterOrEqual); |
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CORRADE_COMPARE_AS(secondFrameDuration, s - epsilon, |
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TestSuite::Compare::GreaterOrEqual); |
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/* Previous frame doesn't change now either, current grows */ |
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Utility::System::sleep(ms); |
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CORRADE_COMPARE(timeline.previousFrameTime(), secondFrameTime); |
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CORRADE_COMPARE(timeline.previousFrameDuration(), secondFrameDuration); |
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CORRADE_COMPARE_AS(timeline.currentFrameTime(), secondFrameTime, |
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TestSuite::Compare::Greater); |
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CORRADE_COMPARE_AS(timeline.currentFrameTime(), 3*s - epsilon, |
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TestSuite::Compare::GreaterOrEqual); |
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CORRADE_COMPARE_AS(timeline.currentFrameDuration(), s - epsilon, |
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TestSuite::Compare::GreaterOrEqual); |
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/* Calling start() resets the time to 0 */ |
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timeline.start(); |
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CORRADE_COMPARE(timeline.previousFrameTime(), 0.0f); |
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CORRADE_COMPARE(timeline.previousFrameDuration(), 0.0f); |
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/* And it continues to be counted */ |
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Utility::System::sleep(ms); |
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CORRADE_COMPARE_AS(timeline.currentFrameTime(), s - epsilon, |
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TestSuite::Compare::GreaterOrEqual); |
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CORRADE_COMPARE_AS(timeline.currentFrameDuration(), s - epsilon, |
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TestSuite::Compare::GreaterOrEqual); |
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timeline.nextFrame(); |
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CORRADE_COMPARE_AS(timeline.previousFrameTime(), s - epsilon, |
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TestSuite::Compare::GreaterOrEqual); |
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CORRADE_COMPARE_AS(timeline.previousFrameDuration(), s - epsilon, |
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TestSuite::Compare::GreaterOrEqual); |
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CORRADE_COMPARE_AS(timeline.previousFrameDuration(), |
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timeline.previousFrameTime(), |
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TestSuite::Compare::LessOrEqual); |
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/* Calling stop() resets the time to 0 */ |
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timeline.stop(); |
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CORRADE_COMPARE(timeline.previousFrameTime(), 0.0f); |
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CORRADE_COMPARE(timeline.previousFrameDuration(), 0.0f); |
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CORRADE_COMPARE(timeline.currentFrameTime(), 0.0f); |
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CORRADE_COMPARE(timeline.currentFrameDuration(), 0.0f); |
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/* And it continues to be 0 */ |
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Utility::System::sleep(ms); |
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timeline.nextFrame(); |
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CORRADE_COMPARE(timeline.previousFrameTime(), 0.0f); |
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CORRADE_COMPARE(timeline.previousFrameDuration(), 0.0f); |
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CORRADE_COMPARE(timeline.currentFrameTime(), 0.0f); |
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CORRADE_COMPARE(timeline.currentFrameDuration(), 0.0f); |
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} |
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}}} |
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CORRADE_TEST_MAIN(Magnum::Test::TimelineTest)
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