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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,42 @@ | ||
| using NUnit.Framework; | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.Linq; | ||
| using System.Text; | ||
| using System.Threading.Tasks; | ||
|
|
||
| namespace MyExpression.Core.Tests | ||
| { | ||
| [TestFixture] | ||
| public class CodeDomEvalTests | ||
| { | ||
| [Test] | ||
| public void RandomSinCos() | ||
| { | ||
| Func<double, double> evalsin = new CodeDomEval("Math.Sin(x)").Calculate; | ||
| double sin(double x) => Math.Sin(x); | ||
| Func<double, double> evalcos = new CodeDomEval("Math.Cos(x)").Calculate; | ||
| double cos(double x) => Math.Cos(x); | ||
| var r = new MyRandom(); | ||
| for (var i = 0; i < 100; i++) | ||
| { | ||
| var x = r.Next(100) * r.NextDouble(); | ||
| Assert.AreEqual(sin(x), evalsin(x)); | ||
| Assert.AreEqual(cos(x), evalcos(x)); | ||
| } | ||
| } | ||
|
|
||
| [Test] | ||
| public void Random() | ||
| { | ||
| Func<double, double> f1 = new CodeDomEval("Math.Sin(x)*1/x*4383+2143/1414+141-1.2*23*x*Math.Abs(x*Math.Sin(x))").Calculate; | ||
| double f(double x) => Math.Sin(x) * 1 / x * 4383 + 2143 / 1414 + 141 - 1.2 * 23 * x * Math.Abs(x * Math.Sin(x)); | ||
| var r = new MyRandom(); | ||
| for (var i = 0; i < 1000; i++) | ||
| { | ||
| var x = r.Next(100) * r.NextDouble(); | ||
| Assert.AreEqual(f(x), f1(x), 1e-8); | ||
| } | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,50 @@ | ||
| // Copyright (c) 2018 Vladislav Prekel | ||
|
|
||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.Linq; | ||
| using System.Text; | ||
| using System.Threading.Tasks; | ||
|
|
||
| using NUnit.Framework; | ||
|
|
||
| namespace MyExpression.Core.Tests | ||
| { | ||
| [TestFixture] | ||
| public class OpenCloseIntervalTests | ||
| { | ||
| [Test] | ||
| public void Ctor1() | ||
| { | ||
| var ra = new MyRandom(); | ||
| var a = ra.NextDouble() * ra.Next() * ra.NextSign(); | ||
| var b = ra.NextDouble() * ra.Next() * ra.NextSign(); | ||
| var l = Math.Min(a, b); | ||
| var r = Math.Max(a, b); | ||
|
|
||
| var iw = new OpenCloseInterval(l, r); | ||
| Assert.AreEqual(l, iw.Left); | ||
| Assert.AreEqual(r, iw.Right); | ||
| Assert.IsFalse(iw.IsLeftOpen); | ||
| Assert.IsFalse(iw.IsRightOpen); | ||
| } | ||
|
|
||
| [Test] | ||
| public void Ctor2() | ||
| { | ||
| var ra = new MyRandom(); | ||
| var a = ra.NextDouble() * ra.Next() * ra.NextSign(); | ||
| var b = ra.NextDouble() * ra.Next() * ra.NextSign(); | ||
| var l = Math.Min(a, b); | ||
| var r = Math.Min(a, b); | ||
| var lo = ra.NextBool(); | ||
| var ro = ra.NextBool(); | ||
|
|
||
| var iw = new OpenCloseInterval(l, lo, r, ro); | ||
| Assert.AreEqual(l, iw.Left); | ||
| Assert.AreEqual(r, iw.Right); | ||
| Assert.AreEqual(lo, iw.IsLeftOpen); | ||
| Assert.AreEqual(ro, iw.IsRightOpen); | ||
| } | ||
| } | ||
| } |
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