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SignatureTests: light every channel in the sum fixture (a mutant dropping Reflection from the sum survived on a zero)

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Builds and passes are verified at the previous commit; this commit changes the test only.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Meta Vens 2026-10-11 09:59:05 +02:00
commit 78c6c78e60
1 changed files with 11 additions and 7 deletions
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18
tests/Aetheria.Shared.Tests/SignatureTests.cs
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@ -289,25 +289,29 @@ public sealed class SignatureTests : IDisposable
// ---- VisibilityIsStillTheSum ----
// Every source kind at once: a fired gun (100 on LaunchFlash), a thermal Visibility gear (7), a reflector
// under no sun (0), and the non-radiating hull (0). Visibility is the sum of the strengths, 107, the value
// the single-number build gave on this fixture; SignatureOn splits the same total by channel.
// Every channel lit at once: a fired gun (100 on LaunchFlash), Visibility gear on Thermal (7), Reflection (4),
// DrivePlume (3) and Emission (2), a reflector under no sun (0) and the non-radiating hull (0). Visibility is the
// sum of the strengths, 116, the value the single-number build gave on this fixture; SignatureOn splits the
// same total by channel.
[Fact]
public void VisibilityIsStillTheSum()
{
var r = Build(Armament.Gun, 0f, null,
new VisibilityData { Visibility = Constant(7), VisibilityDecay = Constant(0) },
new VisibilityData { Visibility = Constant(4), VisibilityDecay = Constant(0), Channel = SignatureChannel.Reflection },
new VisibilityData { Visibility = Constant(3), VisibilityDecay = Constant(0), Channel = SignatureChannel.DrivePlume },
new VisibilityData { Visibility = Constant(2), VisibilityDecay = Constant(0), Channel = SignatureChannel.Emission },
new ReflectorData { CrossSection = Constant(3) });
Fire(r);
var ship = r.Ship;
Assert.Equal(107f, ship.Visibility, 2);
Assert.Equal(116f, ship.Visibility, 2);
Assert.Equal(ship.VisibilitySources.Values.Sum(s => s.Strength), ship.Visibility, 3);
Assert.Equal(100f, ship.SignatureOn(SignatureChannel.LaunchFlash), 2);
Assert.Equal(7f, ship.SignatureOn(SignatureChannel.Thermal), 2);
Assert.Equal(0f, ship.SignatureOn(SignatureChannel.Reflection), 2);
Assert.Equal(0f, ship.SignatureOn(SignatureChannel.Emission), 2);
Assert.Equal(0f, ship.SignatureOn(SignatureChannel.DrivePlume), 2);
Assert.Equal(4f, ship.SignatureOn(SignatureChannel.Reflection), 2);
Assert.Equal(2f, ship.SignatureOn(SignatureChannel.Emission), 2);
Assert.Equal(3f, ship.SignatureOn(SignatureChannel.DrivePlume), 2);
}
// ---- DecayKeepsChannelAndItem ----