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// | ||
// Copyright (c) .NET Foundation and Contributors | ||
// See LICENSE file in the project root for full license information. | ||
// | ||
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using System; | ||
using System.Collections; | ||
using nanoFramework.Benchmark; | ||
using nanoFramework.Benchmark.Attributes; | ||
using nanoFramework.Json.Benchmark.Base; | ||
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namespace nanoFramework.Json.Benchmark | ||
{ | ||
[IterationCount(100)] | ||
public class TypeBenchmarks: BaseIterationBenchmark | ||
{ | ||
protected override int IterationCount => 200; | ||
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private readonly ArrayList _list = new(); | ||
private const string ArrayListFullName = "System.Collections.ArrayList"; | ||
private static readonly Type ArrayListType = typeof(ArrayList); | ||
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[Benchmark] | ||
public void Benchmark_FullName_Comparison() | ||
{ | ||
RunInIteration(() => | ||
{ | ||
if (!ArrayListFullName.Equals(_list.GetType().FullName)) | ||
{ | ||
throw new ApplicationException(); | ||
} | ||
}); | ||
} | ||
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[Benchmark] | ||
public void Benchmark_Type_Comparison() | ||
{ | ||
RunInIteration(() => | ||
{ | ||
if (_list.GetType() != typeof(ArrayList)) | ||
{ | ||
throw new ApplicationException(); | ||
} | ||
}); | ||
} | ||
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[Benchmark] | ||
public void Benchmark_Type_Comparison_Static() | ||
{ | ||
RunInIteration(() => | ||
{ | ||
if (_list.GetType() != ArrayListType) | ||
{ | ||
throw new ApplicationException(); | ||
} | ||
}); | ||
} | ||
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[Benchmark] | ||
public void Benchmark_TypeUtils_Comparison() | ||
{ | ||
RunInIteration(() => | ||
{ | ||
if (!TypeUtils.IsArrayList(_list.GetType())) | ||
{ | ||
throw new ApplicationException(); | ||
} | ||
}); | ||
} | ||
} | ||
} |
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#nullable enable | ||
using System; | ||
using System.Collections; | ||
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namespace nanoFramework.Json | ||
{ | ||
internal static class TypeUtils | ||
{ | ||
// A very small optimization occurs by caching these types | ||
public static readonly Type ArrayListType = typeof(ArrayList); | ||
public static readonly Type HashTableType = typeof(Hashtable); | ||
public static readonly Type StringType = typeof(string); | ||
public static readonly Type ValueTypeType = typeof(ValueType); | ||
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public static bool IsArrayList(Type? type) => ArrayListType == type; | ||
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public static bool IsHashTable(Type? type) => HashTableType == type; | ||
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public static bool IsString(Type? type) => StringType == type; | ||
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public static bool IsValueType(Type? type) => ValueTypeType == type?.BaseType; | ||
} | ||
} |
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