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https://github.com/Facepunch/sbox-public.git
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d95169d8fa
* Move all unit tests to Engine/Tests * Fix Margin.EdgeSubtract * Fix Capsule.Contains * EnvironmentVariables.Remove if it's null * Fixed ray trace never returning startedsolid * Fix HistoryList.Navigate on empty list * Fix GameObject.WorldPosition accepting NaNs * Fix flex: initial expanding to the wrong grow/shrink * Translation.TryConvert shouldn't throw on invalid enum strings * Skip sound file tests on machines with no audio device
109 lines
3.0 KiB
C#
109 lines
3.0 KiB
C#
namespace MathTests;
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[TestClass]
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public class Vector3IntTest
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{
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/// <summary>
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/// Constructors should populate the components, including the uniform
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/// single-value form.
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/// </summary>
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[TestMethod]
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public void Construct()
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{
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var v = new Vector3Int( 1, 2, 3 );
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Assert.AreEqual( 1, v.x );
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Assert.AreEqual( 2, v.y );
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Assert.AreEqual( 3, v.z );
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Assert.AreEqual( new Vector3Int( 4, 4, 4 ), new Vector3Int( 4 ) );
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}
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/// <summary>
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/// Integer-on-integer arithmetic should stay integral, component-wise.
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/// </summary>
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[TestMethod]
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public void IntegerArithmetic()
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{
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var a = new Vector3Int( 10, 20, 30 );
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var b = new Vector3Int( 2, 4, 5 );
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Assert.AreEqual( new Vector3Int( 12, 24, 35 ), a + b );
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Assert.AreEqual( new Vector3Int( 8, 16, 25 ), a - b );
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Assert.AreEqual( new Vector3Int( 20, 80, 150 ), a * b );
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Assert.AreEqual( new Vector3Int( 5, 5, 6 ), a / b );
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Assert.AreEqual( new Vector3Int( 20, 40, 60 ), a * 2 );
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}
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/// <summary>
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/// Mixing with floats should promote the result to a float vector.
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/// </summary>
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[TestMethod]
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public void FloatArithmeticPromotes()
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{
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var a = new Vector3Int( 10, 20, 30 );
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Vector3 scaled = a * 0.5f;
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Assert.AreEqual( new Vector3( 5, 10, 15 ), scaled );
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}
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/// <summary>
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/// Mixed Vector2Int arithmetic should leave the z component untouched.
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/// </summary>
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[TestMethod]
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public void Vector2IntArithmetic()
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{
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var a = new Vector3Int( 10, 20, 30 );
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Assert.AreEqual( new Vector3Int( 11, 22, 30 ), a + new Vector2Int( 1, 2 ) );
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}
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/// <summary>
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/// The directional constants should be the engine's z-up, x-forward,
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/// y-left unit axes, and opposites should sum to zero.
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/// </summary>
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[TestMethod]
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public void DirectionConstants()
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{
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Assert.AreEqual( new Vector3Int( 0, 0, 1 ), Vector3Int.Up );
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Assert.AreEqual( new Vector3Int( 0, 0, -1 ), Vector3Int.Down );
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Assert.AreEqual( new Vector3Int( 0, 1, 0 ), Vector3Int.Left );
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Assert.AreEqual( new Vector3Int( 0, -1, 0 ), Vector3Int.Right );
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Assert.AreEqual( new Vector3Int( 1, 0, 0 ), Vector3Int.Forward );
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Assert.AreEqual( new Vector3Int( -1, 0, 0 ), Vector3Int.Backward );
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Assert.AreEqual( Vector3Int.Zero, Vector3Int.Up + Vector3Int.Down );
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Assert.AreEqual( Vector3Int.Zero, Vector3Int.Left + Vector3Int.Right );
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Assert.AreEqual( Vector3Int.Zero, Vector3Int.Forward + Vector3Int.Backward );
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}
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/// <summary>
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/// The normal of an axis-aligned vector should be the unit axis.
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/// </summary>
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[TestMethod]
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public void Normal()
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{
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Assert.AreEqual( new Vector3( 1, 0, 0 ), new Vector3Int( 5, 0, 0 ).Normal );
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}
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/// <summary>
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/// Parse should round-trip the ToString format.
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/// </summary>
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[TestMethod]
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public void ParseRoundTrip()
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{
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var v = new Vector3Int( -3, 14, 7 );
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Assert.AreEqual( v, Vector3Int.Parse( v.ToString() ) );
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}
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/// <summary>
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/// Value equality should compare all three components.
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/// </summary>
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[TestMethod]
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public void Equality()
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{
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Assert.AreEqual( new Vector3Int( 1, 2, 3 ), new Vector3Int( 1, 2, 3 ) );
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Assert.AreNotEqual( new Vector3Int( 1, 2, 3 ), new Vector3Int( 3, 2, 1 ) );
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}
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}
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