mirror of
https://github.com/ppy/osu.git
synced 2026-05-13 19:54:15 +08:00
Dean Herbert
a996261304
It's been a while. Notes: - `SharpCompress` usages changed a bit. Manually adjusted these, mostly just renames or adjusted parameters. - nUnit 3 -> 4 migrated using https://gist.github.com/peppy/07994386d793a117350cb5f24b156585. there's a mode in this script to update to the newer `Assert.That` syntax but it requires fixes and couldn't really be bothered. - DeepEqual nuked as the only usage was on a disabled test. The reason it's disabled has been merged upstream, but it's failing for other (realm) reasons which I don't think is worthwhile to investigate for now. - This bumps Moq. I think the author is back in a sensible headspace and the new version has the stupid shit removed, so probably okay? Nice to be on a level playing field with packages for once in a long time. - Automapper is silly, but we've discussed this elsewhere. - `TestRealmKeyBindingStore` failures are a wildcard, but fixed by using a more standardised testing method. Dunno why, don't care. --------- Co-authored-by: Bartłomiej Dach <dach.bartlomiej@gmail.com>
82 lines
3.4 KiB
C#
82 lines
3.4 KiB
C#
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
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// See the LICENCE file in the repository root for full licence text.
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#nullable disable
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using NUnit.Framework;
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using NUnit.Framework.Legacy;
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using osu.Framework.Lists;
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using osu.Game.Rulesets.Timing;
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using osu.Game.Rulesets.UI.Scrolling.Algorithms;
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namespace osu.Game.Tests.ScrollAlgorithms
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{
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[TestFixture]
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public class SequentialScrollTest
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{
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private IScrollAlgorithm algorithm;
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[SetUp]
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public void Setup()
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{
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var controlPoints = new SortedList<MultiplierControlPoint>
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{
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new MultiplierControlPoint(0) { Velocity = 1 },
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new MultiplierControlPoint(10000) { Velocity = 2f },
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new MultiplierControlPoint(20000) { Velocity = 0.5f }
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};
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algorithm = new SequentialScrollAlgorithm(controlPoints);
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}
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[Test]
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public void TestDisplayStartTime()
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{
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// easy cases - time range adjusted for velocity fits within control point duration
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ClassicAssert.AreEqual(2500, algorithm.GetDisplayStartTime(5000, 0, 2500, 1)); // 5000 - (2500 / 1)
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ClassicAssert.AreEqual(13750, algorithm.GetDisplayStartTime(15000, 0, 2500, 1)); // 15000 - (2500 / 2)
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ClassicAssert.AreEqual(20000, algorithm.GetDisplayStartTime(25000, 0, 2500, 1)); // 25000 - (2500 / 0.5)
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// hard case - time range adjusted for velocity exceeds control point duration
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// 1st multiplier point takes 10000 / 2500 = 4 scroll lengths
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// 2nd multiplier point takes 10000 / (2500 / 2) = 8 scroll lengths
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// 3rd multiplier point takes 2500 / (2500 * 2) = 0.5 scroll lengths up to hitobject start
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// absolute position of the hitobject = 1000 * (4 + 8 + 0.5) = 12500
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// minus one scroll length allowance = 12500 - 1000 = 11500 = 11.5 [scroll lengths]
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// therefore the start time lies within the second multiplier point (because 11.5 < 4 + 8)
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// its exact time position is = 10000 + 7.5 * (2500 / 2) = 19375
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ClassicAssert.AreEqual(19375, algorithm.GetDisplayStartTime(22500, 0, 2500, 1000));
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}
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[Test]
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public void TestLength()
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{
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ClassicAssert.AreEqual(1f / 5, algorithm.GetLength(0, 1000, 5000, 1)); // Like constant
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ClassicAssert.AreEqual(1f / 5, algorithm.GetLength(10000, 10500, 5000, 1)); // (10500 - 10000) / 0.5 / 5000
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ClassicAssert.AreEqual(1f / 5, algorithm.GetLength(20000, 22000, 5000, 1)); // (22000 - 20000) * 0.5 / 5000
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}
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[Test]
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public void TestPosition()
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{
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// Basically same calculations as TestLength()
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ClassicAssert.AreEqual(1f / 5, algorithm.PositionAt(1000, 0, 5000, 1));
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ClassicAssert.AreEqual(1f / 5, algorithm.PositionAt(10500, 10000, 5000, 1));
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ClassicAssert.AreEqual(1f / 5, algorithm.PositionAt(22000, 20000, 5000, 1));
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}
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[TestCase(1000)]
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[TestCase(10000)]
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[TestCase(15000)]
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[TestCase(20000)]
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[TestCase(25000)]
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public void TestTime(double time)
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{
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ClassicAssert.AreEqual(time, algorithm.TimeAt(algorithm.PositionAt(time, 0, 5000, 1), 0, 5000, 1), 0.001);
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ClassicAssert.AreEqual(time, algorithm.TimeAt(algorithm.PositionAt(time, 5000, 5000, 1), 5000, 5000, 1), 0.001);
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}
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}
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}
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