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- using System;
- namespace UnityEngine.TestTools.Utils
- {
- public static class Utils
- {
- public static bool AreFloatsEqual(float expected, float actual, float epsilon)
- {
- // special case for infinity
- if (expected == Mathf.Infinity || actual == Mathf.Infinity || expected == Mathf.NegativeInfinity || actual == Mathf.NegativeInfinity)
- return expected == actual;
- // we cover both relative and absolute tolerance with this check
- // which is better than just relative in case of small (in abs value) args
- // please note that "usually" approximation is used [i.e. abs(x)+abs(y)+1]
- // but we speak about test code so we dont care that much about performance
- // but we do care about checks being more precise
- return Math.Abs(actual - expected) <= epsilon * Mathf.Max(Mathf.Max(Mathf.Abs(actual), Mathf.Abs(expected)), 1.0f);
- }
- public static bool AreFloatsEqualAbsoluteError(float expected, float actual, float allowedAbsoluteError)
- {
- return Math.Abs(actual - expected) <= allowedAbsoluteError;
- }
- /// <summary>
- /// Analogous to GameObject.CreatePrimitive, but creates a primitive mesh renderer with fast shader instead of a default builtin shader.
- /// Optimized for testing performance.
- /// </summary>
- /// <returns>A GameObject with primitive mesh renderer and collider.</returns>
- public static GameObject CreatePrimitive(PrimitiveType type)
- {
- var prim = GameObject.CreatePrimitive(type);
- var renderer = prim.GetComponent<Renderer>();
- if (renderer)
- renderer.sharedMaterial = new Material(Shader.Find("VertexLit"));
- return prim;
- }
- }
- }
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