67 lines
2.8 KiB
C#
67 lines
2.8 KiB
C#
// Copyright (c) 2012-2023 Wojciech Figat. All rights reserved.
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#if FLAX_TESTS
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using System;
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using System.Globalization;
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using NUnit.Framework;
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namespace FlaxEngine.Tests
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{
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/// <summary>
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/// Tests for <see cref="FlaxEditor.Utilities.Utils"/>.
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/// </summary>
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[TestFixture]
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public class TestEditorUtils
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{
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/// <summary>
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/// Test floating point values formatting to readable text.
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/// </summary>
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[Test]
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public void TestFormatFloat()
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{
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CultureInfo.CurrentCulture = CultureInfo.InvariantCulture;
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Assert.AreEqual("0", FlaxEditor.Utilities.Utils.FormatFloat(0.0f));
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Assert.AreEqual("0", FlaxEditor.Utilities.Utils.FormatFloat(0.0d));
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Assert.AreEqual("0.1234", FlaxEditor.Utilities.Utils.FormatFloat(0.1234f));
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Assert.AreEqual("0.1234", FlaxEditor.Utilities.Utils.FormatFloat(0.1234d));
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Assert.AreEqual("1234", FlaxEditor.Utilities.Utils.FormatFloat(1234.0f));
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Assert.AreEqual("1234", FlaxEditor.Utilities.Utils.FormatFloat(1234.0d));
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Assert.AreEqual("1234.123", FlaxEditor.Utilities.Utils.FormatFloat(1234.123f));
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Assert.AreEqual("1234.1234", FlaxEditor.Utilities.Utils.FormatFloat(1234.1234d));
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double[] values =
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{
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123450000000000000.0, 1.0 / 7, 10000000000.0 / 7, 100000000000000000.0 / 7, 0.001 / 7, 0.0001 / 7, 100000000000000000.0, 0.00000000001,
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1.23e-2, 1.234e-5, 1.2345E-10, 1.23456E-20, 5E-20, 1.23E+2, 1.234e5, 1.2345E10, -7.576E-05, 1.23456e20, 5e+20, 9.1093822E-31, 5.9736e24,
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double.Epsilon, Mathd.Epsilon, Mathf.Epsilon
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};
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foreach (int sign in new[] { 1, -1 })
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{
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foreach (double value in values)
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{
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double value1 = sign * value;
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string text = FlaxEditor.Utilities.Utils.FormatFloat(value1);
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Assert.IsFalse(text.Contains("e", StringComparison.Ordinal));
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Assert.IsFalse(text.Contains("E", StringComparison.Ordinal));
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double value2 = double.Parse(text);
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Assert.AreEqual(value2, value1);
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}
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}
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foreach (int sign in new[] { 1, -1 })
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{
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foreach (double value in values)
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{
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float value1 = (float)(sign * value);
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string text = FlaxEditor.Utilities.Utils.FormatFloat(value1);
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Assert.IsFalse(text.Contains("e", StringComparison.Ordinal));
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Assert.IsFalse(text.Contains("E", StringComparison.Ordinal));
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float value2 = float.Parse(text);
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Assert.AreEqual(value2, value1);
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}
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}
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}
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}
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}
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#endif
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