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//using System;
//using Microsoft.Xna.Framework;
//using MonoGame.Extended.Particles;
//using MonoGame.Extended.Particles.Modifiers;
//using MonoGame.Extended.Particles.Profiles;
//using Xunit;
//namespace MonoGame.Extended.Tests.Particles
//{
//
// public class EmitterTests
// {
// public class UpdateMethod
// {
// [Fact]
// public void WhenThereAreParticlesToExpire_DecreasesActiveParticleCount()
// {
// var subject = new ParticleEmitter(null, 100, TimeSpan.FromSeconds(1), Profile.Point())
// {
// AutoTrigger = false,
// Parameters = new ParticleReleaseParameters
// {
// Quantity = 1
// }
// };
// subject.Trigger(new Vector2(0f, 0f));
// Assert.Equal(subject.ActiveParticles, 1);
// subject.Update(2f);
// Assert.Equal(subject.ActiveParticles, 0);
// }
// [Fact]
// public void WhenThereAreParticlesToExpire_DoesNotPassExpiredParticlesToModifiers()
// {
// var subject = new ParticleEmitter(null, 100, TimeSpan.FromSeconds(1), Profile.Point())
// {
// Parameters = new ParticleReleaseParameters()
// {
// Quantity = 1
// },
// Modifiers =
// {
// new AssertionModifier(particle => particle.Age <= 1f)
// }
// };
// subject.Trigger(new Vector2(0f, 0f));
// subject.Update(0.5f);
// subject.Trigger(new Vector2(0f, 0f));
// subject.Update(0.5f);
// subject.Trigger(new Vector2(0f, 0f));
// subject.Update(0.5f);
// }
// [Fact]
// public void WhenThereAreNoActiveParticles_GracefullyDoesNothing()
// {
// var subject = new ParticleEmitter(null, 100, TimeSpan.FromSeconds(1), Profile.Point()) { AutoTrigger = false };
// subject.Update(0.5f);
// Assert.Equal(subject.ActiveParticles, 0);
// }
// }
// public class TriggerMethod
// {
// [Fact]
// public void WhenEnoughHeadroom_IncreasesActiveParticlesCountByReleaseQuantity()
// {
// var subject = new ParticleEmitter(null, 100, TimeSpan.FromSeconds(1), Profile.Point())
// {
// Parameters = new ParticleReleaseParameters
// {
// Quantity = 10
// }
// };
// Assert.Equal(subject.ActiveParticles, 0);
// subject.Trigger(new Vector2(0f, 0f));
// Assert.Equal(subject.ActiveParticles, 10);
// }
// [Fact]
// public void WhenNotEnoughHeadroom_IncreasesActiveParticlesCountByRemainingParticles()
// {
// var subject = new ParticleEmitter(null, 15, TimeSpan.FromSeconds(1), Profile.Point())
// {
// Parameters = new ParticleReleaseParameters
// {
// Quantity = 10
// }
// };
// subject.Trigger(new Vector2(0f, 0f));
// Assert.Equal(subject.ActiveParticles, 10);
// subject.Trigger(new Vector2(0f, 0f));
// Assert.Equal(subject.ActiveParticles, 15);
// }
// [Fact]
// public void WhenNoRemainingParticles_DoesNotIncreaseActiveParticlesCount()
// {
// var subject = new ParticleEmitter(null, 10, TimeSpan.FromSeconds(1), Profile.Point())
// {
// Parameters = new ParticleReleaseParameters
// {
// Quantity = 10
// }
// };
// subject.Trigger(new Vector2(0f, 0f));
// Assert.Equal(subject.ActiveParticles, 10);
// subject.Trigger(new Vector2(0f, 0f));
// Assert.Equal(subject.ActiveParticles, 10);
// }
// }
// public class DisposeMethod
// {
// [Fact]
// public void IsIdempotent()
// {
// var subject = new ParticleEmitter(null, 10, TimeSpan.FromSeconds(1), Profile.Point());
// subject.Dispose();
// subject.Dispose();
// }
// }
// }
//}
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