mirror of https://github.com/dahall/Vanara.git
117 lines
4.3 KiB
C#
117 lines
4.3 KiB
C#
using Newtonsoft.Json;
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using NUnit.Framework;
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using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.Linq;
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using System.Runtime.InteropServices;
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using System.Threading;
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using Vanara.Extensions;
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using Vanara.InteropServices;
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namespace Vanara.PInvoke.Tests
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{
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public static class TestHelper
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{
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private const string testApp = @"C:\Users\dahall\Documents\Visual Studio 2017\Projects\TestSysConsumption\bin\Debug\netcoreapp3.0\TestSysConsumption.exe";
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private static Lazy<JsonSerializerSettings> jsonSet = new Lazy<JsonSerializerSettings>(() =>
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new JsonSerializerSettings() {
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Converters = new JsonConverter[] { new Newtonsoft.Json.Converters.StringEnumConverter(), new SizeTConverter() },
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ReferenceLoopHandling = ReferenceLoopHandling.Serialize
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});
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public static Process RunThrottleApp() => Process.Start(testApp);
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public static void SetThrottle(string type, bool on)
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{
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using (var evt = new EventWaitHandle(false, EventResetMode.AutoReset, (on ? "" : "End") + type))
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evt.Set();
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}
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public static IList<string> GetNestedStructSizes(this Type type, params string[] filters)
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{
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var output = new List<string>();
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var attr = System.Reflection.TypeAttributes.SequentialLayout | System.Reflection.TypeAttributes.ExplicitLayout;
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foreach (var t in type.GetNestedTypes(System.Reflection.BindingFlags.Public | System.Reflection.BindingFlags.NonPublic).
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Where(t => t.IsValueType && !t.IsEnum && (t.Attributes & attr) != 0 && ((filters?.Length ?? 0) == 0 || filters.Any(s => t.Name.Contains(s)))))
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output.Add($"{t.Name} = {Marshal.SizeOf(t)}");
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output.Sort();
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return output;
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}
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public static void RunForEach<TEnum>(Type lib, string name, Func<TEnum, object[]> makeParam, Action<TEnum, object, object[]> action = null, Action<Exception> error = null) where TEnum : Enum =>
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RunForEach(lib, name, makeParam, (e, ex) => error?.Invoke(ex), action);
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public static void RunForEach<TEnum>(Type lib, string name, Func<TEnum, object[]> makeParam, Action<TEnum, Exception> error = null, Action<TEnum, object, object[]> action = null, CorrespondingAction? filter = null) where TEnum : Enum
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{
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var mi = lib.GetMethods(System.Reflection.BindingFlags.Public | System.Reflection.BindingFlags.Static).Where(m => m.IsGenericMethod && m.Name == name).First();
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if (mi is null) throw new ArgumentException("Unable to find method.");
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foreach (var e in Enum.GetValues(typeof(TEnum)).Cast<TEnum>())
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{
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var type = (filter.HasValue ? CorrespondingTypeAttribute.GetCorrespondingTypes(e, filter.Value) : CorrespondingTypeAttribute.GetCorrespondingTypes(e)).FirstOrDefault();
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if (type is null)
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{
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TestContext.WriteLine($"No corresponding type found for {e}.");
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continue;
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}
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var gmi = mi.MakeGenericMethod(type);
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var param = makeParam(e);
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try
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{
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var ret = gmi.Invoke(null, param);
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action?.Invoke(e, ret, param);
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}
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catch (Exception ex)
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{
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error?.Invoke(e, ex.InnerException);
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}
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}
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}
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public static string GetStringVal(this object value)
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{
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switch (value)
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{
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case null:
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return "(null)";
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case System.Runtime.InteropServices.ComTypes.FILETIME ft:
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value = ft.ToDateTime();
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goto Simple;
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case SYSTEMTIME st:
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value = st.ToDateTime(DateTimeKind.Local);
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goto Simple;
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case DateTime:
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case Decimal:
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case var v when v.GetType().IsPrimitive || v.GetType().IsEnum:
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Simple:
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return $"{value.GetType().Name} : [{value}]";
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case string s:
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return string.Concat("\"", s, "\"");
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case byte[] bytes:
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return string.Join(" ", Array.ConvertAll(bytes, b => $"{b:X2}"));
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case SafeAllocatedMemoryHandleBase mem:
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return mem.Dump;
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default:
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try { return JsonConvert.SerializeObject(value, Formatting.Indented, jsonSet.Value); }
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catch (Exception e) { return e.ToString(); }
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}
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}
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public static void WriteValues(this object value) => TestContext.WriteLine(GetStringVal(value));
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private class SizeTConverter : JsonConverter<SizeT>
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{
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public override SizeT ReadJson(JsonReader reader, Type objectType, SizeT existingValue, bool hasExistingValue, JsonSerializer serializer) => reader.Value is ulong ul ? new SizeT(ul) : new SizeT(0);
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public override void WriteJson(JsonWriter writer, SizeT value, JsonSerializer serializer) => writer.WriteValue(value.Value);
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}
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}
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} |