mono/tests/pinvoke-utf8.cs

   1 // Licensed to the .NET Foundation under one or more agreements.
   2 // The .NET Foundation licenses this file to you under the MIT license.
   3 // See the LICENSE file in the project root for more information.
   4
   5 using System;
   6 using System.Runtime.InteropServices;
   7 using System.Text;
   8 using System.Collections.Generic;
   9
  10
  11 // UTF8
  12 class UTF8StringTests
  13 {
  14         [DllImport("libtest", CallingConvention = CallingConvention.Cdecl)]
  15         [return: MarshalAs(UnmanagedType.LPUTF8Str)]
  16         public static extern string StringParameterInOut([In, Out][MarshalAs(UnmanagedType.LPUTF8Str)]string s, int index);
  17         public static bool TestInOutStringParameter(string orgString, int index)
  18         {
  19                 string passedString = orgString;
  20                 string expectedNativeString = passedString;
  21
  22                 string nativeString = StringParameterInOut(passedString, index);
  23                 if (!(nativeString == expectedNativeString))
  24                 {
  25                         Console.WriteLine("StringParameterInOut: nativeString != expecedNativeString ");
  26                         return false;
  27                 }
  28                 return true;
  29         }
  30
  31         [DllImport("libtest", CallingConvention = CallingConvention.Cdecl)]
  32         [return: MarshalAs(UnmanagedType.LPUTF8Str)]
  33         public static extern string StringParameterOut([Out][MarshalAs(UnmanagedType.LPUTF8Str)]string s, int index);
  34         public static bool TestOutStringParameter(string orgString, int index)
  35         {
  36                 string passedString = orgString;
  37                 string expecedNativeString = passedString;
  38                 string nativeString = StringParameterInOut(passedString, index);
  39                 if (!(nativeString == expecedNativeString))
  40                 {
  41                         Console.WriteLine("StringParameterInOut: nativeString != expecedNativeString ");
  42                         return false;
  43                 }
  44                 return true;
  45         }
  46
  47         [DllImport("libtest", CallingConvention = CallingConvention.Cdecl)]
  48         public static extern void StringParameterRefOut([MarshalAs(UnmanagedType.LPUTF8Str)]out string s, int index);
  49         public static bool TestStringPassByOut(string orgString, int index)
  50         {
  51                 // out string
  52                 string expectedNative = string.Empty;
  53                 StringParameterRefOut(out expectedNative, index);
  54                 if (orgString != expectedNative)
  55                 {
  56                         Console.WriteLine ("TestStringPassByOut : expectedNative != outString");
  57                         return false;
  58                 }
  59                 return true;
  60         }
  61
  62         [DllImport("libtest", CallingConvention = CallingConvention.Cdecl)]
  63         public static extern void StringParameterRef([MarshalAs(UnmanagedType.LPUTF8Str)]ref string s, int index);
  64         public static bool TestStringPassByRef(string orgString, int index)
  65         {
  66                 string orgCopy = new string(orgString.ToCharArray());
  67                 StringParameterRef(ref orgString, index);
  68                 if (orgString != orgCopy)
  69                 {
  70                         Console.WriteLine("TestStringPassByOut : string mismatch");
  71                         return false;
  72                 }
  73                 return true;
  74         }
  75
  76         public static bool EmptyStringTest()
  77         {
  78                 StringParameterInOut(string.Empty, 0);
  79                 StringParameterOut(string.Empty, 0);
  80                 return true;
  81         }
  82 }
  83
  84 // UTF8 stringbuilder
  85 class UTF8StringBuilderTests
  86 {
  87         [DllImport("libtest", CallingConvention = CallingConvention.Cdecl)]
  88         public static extern void StringBuilderParameterInOut([In,Out][MarshalAs(UnmanagedType.LPUTF8Str)]StringBuilder s, int index);
  89         public static bool TestInOutStringBuilderParameter(string expectedString, int index)
  90         {
  91                 StringBuilder nativeStrBuilder = new StringBuilder(expectedString);
  92
  93                 StringBuilderParameterInOut(nativeStrBuilder, index);
  94
  95                 if (!nativeStrBuilder.ToString().Equals(expectedString))
  96                 {
  97                         Console.WriteLine($"TestInOutStringBuilderParameter: nativeString != expecedNativeString index={index} got={nativeStrBuilder} and expected={expectedString} ");
  98                         return false;
  99                 }
 100                 return true;
 101         }
 102
 103         [DllImport("libtest", CallingConvention = CallingConvention.Cdecl)]
 104         public static extern void StringBuilderParameterOut([Out][MarshalAs(UnmanagedType.LPUTF8Str)]StringBuilder s, int index);
 105         public static bool TestOutStringBuilderParameter(string expectedString, int index)
 106         {
 107                 // string builder capacity
 108                 StringBuilder nativeStringBuilder = new StringBuilder(expectedString.Length);
 109
 110                 StringBuilderParameterOut(nativeStringBuilder, index);
 111
 112                 if (!nativeStringBuilder.ToString().Equals(expectedString))
 113                 {
 114                         Console.WriteLine("TestOutStringBuilderParameter: string != expecedString ");
 115                         return false;
 116                 }
 117                 return true;
 118         }
 119
 120
 121         [DllImport("libtest", CallingConvention = CallingConvention.Cdecl)]
 122         [return: MarshalAs(UnmanagedType.LPUTF8Str,SizeConst = 512)]
 123         public static extern StringBuilder StringBuilderParameterReturn(int index);
 124         public static bool TestReturnStringBuilder(string expectedReturn, int index)
 125         {
 126                 StringBuilder nativeString = StringBuilderParameterReturn(index);
 127                 if (!expectedReturn.Equals(nativeString.ToString()))
 128                 {
 129                         Console.WriteLine(string.Format( "TestReturnStringBuilder: nativeString {0} != expecedNativeString {1}",nativeString.ToString(),expectedReturn) );
 130                         return false;
 131                 }
 132                 return true;
 133         }
 134 }
 135
 136 // UTF8 string as struct field
 137 class UTF8StructMarshalling
 138 {
 139         public struct Utf8Struct
 140         {
 141                 [MarshalAs(UnmanagedType.LPUTF8Str)]
 142                 public string FirstName;
 143                 public int index;
 144         }
 145
 146         [DllImport("libtest", CallingConvention = CallingConvention.Cdecl)]
 147         public static extern void TestStructWithUtf8Field(Utf8Struct utfStruct);
 148         public static bool  TestUTF8StructMarshalling(string[] utf8Strings)
 149         {
 150                 Utf8Struct utf8Struct = new Utf8Struct();
 151                 for (int i = 0; i < utf8Strings.Length; i++)
 152                 {
 153                         utf8Struct.FirstName = utf8Strings[i];
 154                         utf8Struct.index = i;
 155                         TestStructWithUtf8Field(utf8Struct);
 156                 }
 157                 return true;
 158         }
 159 }
 160
 161 // UTF8 string as delegate parameter
 162 class UTF8DelegateMarshalling
 163 {
 164         [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
 165         public delegate void DelegateUTF8Parameter([MarshalAs(UnmanagedType.LPUTF8Str)]string utf8String, int index);
 166
 167         [DllImport("libtest", CallingConvention = CallingConvention.Cdecl)]
 168         public static extern void Utf8DelegateAsParameter(DelegateUTF8Parameter param);
 169
 170         static bool failed;
 171         public static bool TestUTF8DelegateMarshalling()
 172         {
 173                 failed = false;
 174                 Utf8DelegateAsParameter(new DelegateUTF8Parameter(Utf8StringCallback));
 175
 176                 return !failed;
 177         }
 178
 179         public static void Utf8StringCallback(string nativeString, int index)
 180         {
 181                 if (string.CompareOrdinal(nativeString, Test.utf8Strings[index]) != 0)
 182                 {
 183                         Console.WriteLine("Utf8StringCallback string do not match");
 184                         failed = true;
 185                 }
 186         }
 187 }
 188
 189 class Test
 190 {
 191         //test strings
 192         public static string[] utf8Strings = {
 193                 "Managed",
 194                 "Sîne klâwen durh die wolken sint geslagen" ,
 195                 "काचं शक्नोम्यत्तुम् । नोपहिनस्ति माम्",
 196                 "我能吞下玻璃而不伤身体",
 197                 "ღმერთსი შემვედრე,შემვედრე, ნუთუ კვლა დამხსნას შემვედრე,სოფლისა შემვედრე, შემვედრე,შემვედრე,შემვედრე,შრომასა, ცეცხლს, წყალსა და მიწასა, ჰაერთა თანა მრომასა; მომცნეს ფრთენი და აღვფრინდე, მივჰხვდე მას ჩემსა ნდომასა, დღისით და ღამით ვჰხედვიდე მზისა ელვათა კრთომაასაშემვედრე,შემვედრე,",
 198                 "Τη γλώσσα μου έδωσαν ελληνική",
 199                 null,
 200         };
 201
 202         public static int Main(string[] args)
 203         {
 204                 // Test string as [In,Out] parameter
 205                 for (int i = 0; i < utf8Strings.Length; i++)
 206                         if (!UTF8StringTests.TestInOutStringParameter(utf8Strings[i], i))
 207                                 return i+1;
 208
 209                 // Test string as [Out] parameter
 210                 for (int i = 0; i < utf8Strings.Length; i++)
 211                         if (!UTF8StringTests.TestOutStringParameter(utf8Strings[i], i))
 212                                 return i+100;
 213
 214                 for (int i = 0; i < utf8Strings.Length - 1; i++)
 215                         if (!UTF8StringTests.TestStringPassByOut(utf8Strings[i], i))
 216                                 return i+200;
 217
 218                 for (int i = 0; i < utf8Strings.Length - 1; i++)
 219                         if (!UTF8StringTests.TestStringPassByRef(utf8Strings[i], i))
 220                                 return i+300;
 221
 222
 223                 // Test StringBuilder as [In,Out] parameter
 224                 for (int i = 0; i < utf8Strings.Length - 1; i++)
 225                         if (!UTF8StringBuilderTests.TestInOutStringBuilderParameter(utf8Strings[i], i))
 226                                 return i+400;
 227
 228 #if NOT_YET
 229                 // This requires support for [Out] in StringBuilder
 230
 231                 // Test StringBuilder as [Out] parameter
 232                 for (int i = 0; i < utf8Strings.Length - 1; i++){
 233                         if (!UTF8StringBuilderTests.TestOutStringBuilderParameter(utf8Strings[i], i))
 234                                 return i+500;
 235                 }
 236
 237 #endif
 238
 239                 // utf8 string as struct fields
 240                 if (!UTF8StructMarshalling.TestUTF8StructMarshalling(utf8Strings))
 241                         return 600;
 242
 243                 // delegate
 244                 try {
 245                         UTF8DelegateMarshalling.TestUTF8DelegateMarshalling();
 246                 } catch (ExecutionEngineException){
 247                         // Known issue on AOT - we do not AOT this yet.
 248                 }
 249
 250 #if NOT_YET
 251                 // This requires special support for StringBuilder return values
 252                 // Test StringBuilder as return value
 253                 for (int i = 0; i < utf8Strings.Length - 1; i++)
 254                         if (!UTF8StringBuilderTests.TestReturnStringBuilder(utf8Strings[i], i))
 255                                 return 700+i;
 256 #endif
 257                 // String.Empty tests
 258                 if (!UTF8StringTests.EmptyStringTest())
 259                         return 800;
 260
 261                 return 0;
 262         }
 263 }