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DllImportPathTest.cs
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DllImportPathTest.cs
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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices;
class Test
{
private const string RelativeSubdirectoryName = "RelativeNative";
private const string PathEnvSubdirectoryName = "Subdirectory";
private const string PathEnvFileName = "MovedNativeLib";
private const string RelativePath1Windows = @".\RelativeNative\..\DllImportPath_Relative";
private const string RelativePath3Windows = @"..\DllImportPathTest\DllImportPath_Relative";
private const string RelativePath1Unix = @"./RelativeNative/../libDllImportPath_Relative";
private const string RelativePath3Unix = @"../DllImportPathTest/libDllImportPath_Relative";
private const string UnicodeFileName = "DllImportPath_Unicode✔";
[DllImport(@"DllImportPath_Local", EntryPoint = "GetZero")]
private static extern int GetZero_Local1();
[DllImport(@".\DllImportPath_Local", EntryPoint = "GetZero")]
private static extern int GetZero_Local2();
[DllImport(@"DllImportPath.Local.dll", EntryPoint = "GetZero")]
private static extern int GetZero_LocalWithDot1();
[DllImport(@".\DllImportPath.Local.dll", EntryPoint = "GetZero")]
private static extern int GetZero_LocalWithDot2();
[DllImport(RelativePath1Windows, EntryPoint = "GetZero")]
private static extern int GetZero_Relative1Windows();
[DllImport(RelativePath1Unix, EntryPoint = "GetZero")]
private static extern int GetZero_Relative1Unix();
[DllImport(@"..\DllImportPathTest\DllImportPath_Relative.dll", EntryPoint = "GetZero")]
private static extern int GetZero_Relative2();
[DllImport(RelativePath3Windows, EntryPoint = "GetZero")]
private static extern int GetZero_Relative3Windows();
[DllImport(RelativePath3Unix, EntryPoint = "GetZero")]
private static extern int GetZero_Relative3Unix();
[DllImport(@".\..\DllImportPathTest\DllImportPath_Relative.dll", EntryPoint = "GetZero")]
private static extern int GetZero_Relative4();
[DllImport(UnicodeFileName, EntryPoint = "GetZero")]
private static extern int GetZero_Unicode();
[DllImport(PathEnvFileName, EntryPoint = "GetZero")]
private static extern int GetZero_PathEnv();
[DllImport("DllImportPath_ExeFile.exe", EntryPoint = "GetZero")]
private static extern int GetZero_Exe();
static void TestNativeLibraryProbingOnLocalPath()
{
string strManaged = "Managed";
string native = " Native";
GetZero_Local1();
if (OperatingSystem.IsWindows())
{
GetZero_Local2();
GetZero_LocalWithDot1();
GetZero_LocalWithDot2();
}
}
static void TestNativeLibraryProbingOnRelativePath()
{
string strManaged = "Managed";
string native = " Native";
bool isWindows = OperatingSystem.IsWindows();
if (!isWindows) // We need to ensure that the subdirectory exists for off-Windows.
{
var currentDirectory = Directory.GetCurrentDirectory();
var info = new DirectoryInfo(currentDirectory);
info.CreateSubdirectory(RelativeSubdirectoryName);
}
if (isWindows)
{
GetZero_Relative1Windows();
}
else
{
GetZero_Relative1Unix();
}
if (OperatingSystem.IsWindows())
{
GetZero_Relative2();
}
if (isWindows)
{
GetZero_Relative3Windows();
}
else
{
GetZero_Relative3Unix();
}
if (OperatingSystem.IsWindows())
{
GetZero_Relative4();
}
}
private static void SetupPathEnvTest()
{
var currentDirectory = Directory.GetCurrentDirectory();
var info = new DirectoryInfo(currentDirectory);
var subDirectory = info.CreateSubdirectory(PathEnvSubdirectoryName);
var file = info.EnumerateFiles("*DllImportPath_PathEnv*", SearchOption.TopDirectoryOnly).FirstOrDefault();
var newFileLocation = Path.Combine(subDirectory.FullName, file.Name);
file.CopyTo(Path.Combine(subDirectory.FullName, PathEnvFileName + file.Extension), true);
Environment.SetEnvironmentVariable("PATH", Environment.GetEnvironmentVariable("PATH") + $";{subDirectory.FullName}");
}
static void TestNativeLibraryProbingOnPathEnv()
{
SetupPathEnvTest();
GetZero_PathEnv();
}
private static void SetupUnicodeTest()
{
var currentDirectory = Directory.GetCurrentDirectory();
var info = new DirectoryInfo(currentDirectory);
var file = info.EnumerateFiles("*DllImportPath_Local*", SearchOption.TopDirectoryOnly)
.FirstOrDefault(localFile =>
localFile.Extension == ".dll"
|| localFile.Extension == ".so"
|| localFile.Extension == ".dylib");
var unicodeFileLocation = file.FullName.Replace("DllImportPath_Local", UnicodeFileName);
file.CopyTo(unicodeFileLocation, true);
}
static void TestNativeLibraryProbingUnicode()
{
SetupUnicodeTest();
GetZero_Unicode();
}
static void TestNativeExeProbing()
{
GetZero_Exe();
}
public static int Main(string[] args)
{
try
{
TestNativeLibraryProbingOnLocalPath();
TestNativeLibraryProbingOnRelativePath();
if (!OperatingSystem.IsMacOS()) // This test fails due to a bug in OSX 10.12 combined with the weird way that HFS+ handles unicode file names
{
TestNativeLibraryProbingUnicode();
}
TestNativeLibraryProbingOnPathEnv();
if (OperatingSystem.IsWindows())
{
TestNativeExeProbing();
}
}
catch (System.Exception ex)
{
Console.WriteLine(ex.ToString());
return 101;
}
return 100;
}
}