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73 lines
2.7 KiB
C#
73 lines
2.7 KiB
C#
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
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// See the LICENCE file in the repository root for full licence text.
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using System;
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using System.Globalization;
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using NUnit.Framework;
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using osu.Game.Beatmaps.Formats;
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namespace osu.Game.Tests.Beatmaps.Formats
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{
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[TestFixture]
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public class ParsingTest
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{
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[Test]
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public void TestNaNHandling() => allThrow<FormatException>("NaN");
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[Test]
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public void TestBadStringHandling() => allThrow<FormatException>("Random string 123");
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[TestCase(Parsing.MAX_PARSE_VALUE)]
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[TestCase(-1)]
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[TestCase(0)]
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[TestCase(1)]
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[TestCase(-Parsing.MAX_PARSE_VALUE)]
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[TestCase(10, 10)]
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[TestCase(-10, 10)]
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public void TestValidRanges(double input, double limit = Parsing.MAX_PARSE_VALUE)
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{
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Assert.AreEqual(Parsing.ParseInt((input).ToString(CultureInfo.InvariantCulture), (int)limit), (int)input);
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Assert.AreEqual(Parsing.ParseFloat((input).ToString(CultureInfo.InvariantCulture), (float)limit), (float)input);
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Assert.AreEqual(Parsing.ParseDouble((input).ToString(CultureInfo.InvariantCulture), limit), input);
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}
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[TestCase(double.PositiveInfinity)]
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[TestCase(double.NegativeInfinity)]
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[TestCase(999999999999)]
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[TestCase(Parsing.MAX_PARSE_VALUE * 1.1)]
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[TestCase(-Parsing.MAX_PARSE_VALUE * 1.1)]
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[TestCase(11, 10)]
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[TestCase(-11, 10)]
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public void TestOutOfRangeHandling(double input, double limit = Parsing.MAX_PARSE_VALUE)
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=> allThrow<OverflowException>(input.ToString(CultureInfo.InvariantCulture), limit);
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private void allThrow<T>(string input, double limit = Parsing.MAX_PARSE_VALUE)
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where T : Exception
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{
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Assert.Throws(getIntParseException(input) ?? typeof(T), () => Parsing.ParseInt(input, (int)limit));
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Assert.Throws<T>(() => Parsing.ParseFloat(input, (float)limit));
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Assert.Throws<T>(() => Parsing.ParseDouble(input, limit));
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}
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/// <summary>
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/// <see cref="int"/> may not be able to parse some inputs.
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/// In this case we expect to receive the raw parsing exception.
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/// </summary>
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/// <param name="input">The input attempting to be parsed.</param>
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/// <returns>The type of exception thrown by <see cref="int.Parse(string)"/>. Null if no exception is thrown.</returns>
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private Type getIntParseException(string input)
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{
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try
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{
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_ = int.Parse(input);
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}
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catch (Exception e)
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{
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return e.GetType();
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}
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return null;
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}
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}
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}
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