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// This file has a BOM for UTF-8
// Notes for displaying UTF-8 properly in Windows: https://stackoverflow.com/questions/49476326/displaying-unicode-in-powershell
using System;
using li_std_wstringNamespace;
public class runme
{
static private void check_equal(char a, char b)
{
if (a != b)
throw new Exception("char failed '" + a + "' != '" + b + "'");
}
static private void display_bytes(string s)
{
Console.Write("[");
if (s != null)
{
foreach (char x in s)
{
int n = Convert.ToInt32(x);
Console.Write(n.ToString("X") + " ");
}
}
else
Console.Write("null");
Console.WriteLine("]");
}
static private void check_equal(string a, string b)
{
if (li_std_wstring.trace) {
Console.WriteLine("check_equal {0} {1}", a, b);
display_bytes(a);
display_bytes(b);
}
if (a != b)
throw new Exception("string failed '" + a + "' != '" + b + "'");
}
static void Main()
{
char h = 'h';
check_equal(li_std_wstring.test_wcvalue(h), h);
string x = "abc";
check_equal(li_std_wstring.test_ccvalue(x), x);
check_equal(li_std_wstring.test_cvalue(x), x);
check_equal(li_std_wstring.test_wchar_overload(x), x);
check_equal(li_std_wstring.test_wchar_overload(), null);
li_std_wstring.test_pointer(null);
li_std_wstring.test_const_pointer(null);
check_equal(li_std_wstring.test_ccvalue(null), null);
try {
li_std_wstring.test_value(null);
throw new Exception("NULL check failed");
} catch (ArgumentNullException) {
}
try {
li_std_wstring.test_reference(null);
throw new Exception("NULL check failed");
} catch (ArgumentNullException e) {
if (!e.Message.Contains("is null"))
throw new Exception("Missing text " + e);
}
try {
li_std_wstring.test_const_reference(null);
throw new Exception("NULL check failed");
} catch (ArgumentNullException e) {
if (!e.Message.Contains("null wstring"))
throw new Exception("Missing text " + e);
}
x = "hello";
check_equal(li_std_wstring.test_const_reference(x), x);
/* Tricky, std::wstring portability problem.
* std::wstring is 2 bytes on Windows, 4 bytes on Linux, LPWSTR is 2 bytes.
*/
string ss = "abc";
if (!li_std_wstring.test_equal_abc(ss))
throw new Exception("Not equal " + ss);
ss = "JP: 日本語";
if (!li_std_wstring.test_equal_jp(ss))
throw new Exception("Not equal " + ss);
ss = "DE: Kröpeliner Straße";
if (!li_std_wstring.test_equal_de(ss))
throw new Exception("Not equal " + ss);
ss = "RU: Война и мир";
if (!li_std_wstring.test_equal_ru(ss))
throw new Exception("Not equal " + ss);
try {
li_std_wstring.test_throw();
} catch (Exception e) {
check_equal(e.Message, "throwing test_throw");
}
try {
li_std_wstring.test_throw_jp();
} catch (Exception e) {
check_equal(e.Message, "JP: 日本語");
}
try {
li_std_wstring.test_throw_ref_jp();
} catch (Exception e) {
check_equal(e.Message, "JP: 日本語");
}
try {
li_std_wstring.test_throw_wchar_t_ptr();
} catch (Exception e) {
check_equal(e.Message, "JP: 日本語");
}
x = "abc\0def";
// Unlike other languages, embedded NULL in std::string not supported
// check_equal(li_std_wstring.test_value(x), x);
check_equal(li_std_wstring.test_value(x), "abc");
check_equal(li_std_wstring.test_ccvalue(x), "abc");
check_equal(li_std_wstring.test_wchar_overload(x), "abc");
// Member variables
var s = new wchar_test_struct();
s.wchar_t_member = h;
check_equal(s.wchar_t_member, h);
s.wchar_t_ptr_member = x;
check_equal(s.wchar_t_ptr_member, "abc");
s.wchar_t_ptr_member = ss;
check_equal(s.wchar_t_ptr_member, ss);
{
// Unicode strings
// Strings below are UTF8 in this file, but .NET holds them internally as UTF16
// DE: https://www.utf8-chartable.de/
// RU: https://www.utf8-chartable.de/unicode-utf8-table.pl?start=1024
string[] test_strings = {
"JP: 日本語", "DE: Kröpeliner Straße" , "RU: Война и мир", "EN: War and Peace"
};
foreach (string expected in test_strings)
{
if (li_std_wstring.trace)
Console.WriteLine("expected (C#): " + expected);
string received = li_std_wstring.test_value(expected);
check_equal(received, expected);
}
foreach (string expected in test_strings)
{
string received = li_std_wstring.test_const_reference(expected);
check_equal(received, expected);
}
foreach (string expected in test_strings)
{
string received = li_std_wstring.test_ccvalue(expected);
check_equal(received, expected);
}
foreach (string expected in test_strings)
{
s.wchar_t_ptr_member = expected;
string received = s.wchar_t_ptr_member;
check_equal(received, expected);
}
/* Not working for Japanese and Russian characters on Windows, okay on Linux
* Is fixed by adding CharSet=CharSet.Unicode to the DllImport, so change to:
* [global::System.Runtime.InteropServices.DllImport("li_std_wstring", CharSet=global::System.Runtime.InteropServices.CharSet.Unicode, EntryPoint="CSharp_li_std_wstringNamespace_test_wcvalue")]
* Needs a SWIG code change to support this
foreach (string test_string in test_strings)
{
foreach (char expected in test_string)
{
char received = li_std_wstring.test_wcvalue(expected);
check_equal(received, expected);
}
}
*/
}
}
}
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