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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
116 lines
3.0 KiB
C#
116 lines
3.0 KiB
C#
namespace MathTests;
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[TestClass]
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public class Vector2IntTest
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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 and conversion from Vector3Int.
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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 Vector2Int( 1, 2 );
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Assert.AreEqual( 1, v.x );
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Assert.AreEqual( 2, v.y );
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Assert.AreEqual( new Vector2Int( 3, 3 ), new Vector2Int( 3 ) );
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Assert.AreEqual( new Vector2Int( 4, 5 ), new Vector2Int( new Vector3Int( 4, 5, 6 ) ) );
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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 Vector2Int( 10, 20 );
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var b = new Vector2Int( 3, 4 );
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Assert.AreEqual( new Vector2Int( 13, 24 ), a + b );
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Assert.AreEqual( new Vector2Int( 7, 16 ), a - b );
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Assert.AreEqual( new Vector2Int( 30, 80 ), a * b );
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Assert.AreEqual( new Vector2Int( 3, 5 ), a / b );
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Assert.AreEqual( new Vector2Int( 20, 40 ), 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 Vector2Int( 10, 20 );
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Vector2 scaled = a * 0.5f;
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Assert.AreEqual( new Vector2( 5, 10 ), scaled );
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Vector2 sum = a + new Vector2( 0.5f, 0.5f );
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Assert.AreEqual( new Vector2( 10.5f, 20.5f ), sum );
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}
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/// <summary>
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/// The indexer should map 0 to x and 1 to y.
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/// </summary>
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[TestMethod]
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public void Indexer()
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{
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var v = new Vector2Int( 7, 8 );
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Assert.AreEqual( 7, v[0] );
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Assert.AreEqual( 8, v[1] );
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}
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/// <summary>
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/// Distance should be the Euclidean distance between the points.
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/// </summary>
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[TestMethod]
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public void Distance()
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{
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var a = new Vector2Int( 0, 0 );
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var b = new Vector2Int( 3, 4 );
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Assert.AreEqual( 5f, a.Distance( b ), 0.0001f );
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}
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/// <summary>
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/// Min and Max should operate per component.
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/// </summary>
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[TestMethod]
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public void MinMax()
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{
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var a = new Vector2Int( 1, 20 );
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var b = new Vector2Int( 10, 2 );
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Assert.AreEqual( new Vector2Int( 1, 2 ), Vector2Int.Min( a, b ) );
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Assert.AreEqual( new Vector2Int( 10, 20 ), Vector2Int.Max( a, b ) );
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}
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/// <summary>
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/// Parse and TryParse should round-trip the ToString format, and TryParse
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/// should reject garbage instead of throwing.
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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 Vector2Int( -3, 14 );
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Assert.AreEqual( v, Vector2Int.Parse( v.ToString() ) );
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Assert.IsTrue( Vector2Int.TryParse( "1,2", System.Globalization.CultureInfo.InvariantCulture, out var parsed ) );
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Assert.AreEqual( new Vector2Int( 1, 2 ), parsed );
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Assert.IsFalse( Vector2Int.TryParse( "abcdef", System.Globalization.CultureInfo.InvariantCulture, out _ ) );
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}
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/// <summary>
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/// Value equality should compare both 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 Vector2Int( 1, 2 ), new Vector2Int( 1, 2 ) );
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Assert.AreNotEqual( new Vector2Int( 1, 2 ), new Vector2Int( 2, 1 ) );
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}
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}
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