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b672131185211556a3a617065d387a7619f273b0
wxWidgets/tests/strings/stdstrings.cpp
Vadim Zeitlin b672131185 Replace hex and octal escapes with literal UTF-8 characters 
This makes the code more readable and there should be no reason not to
use UTF-8 in string literals any longer.

Also replace wxHAVE_U_ESCAPE (all still supported compilers have it)
with wxMUST_USE_U_ESCAPE, which is only set for MSVS 2015 currently and
will be removed when we drop support for it and can use literal Unicode
characters in the wide strings everywhere.
2025-06-20 17:42:55 +02:00

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//////////////////////////////////////////////////////////////////////////////
// Name: tests/strings/stdstrings.cpp
// Purpose: wxString unit test
// Author: Vadim Zeitlin, Wlodzimierz ABX Skiba
// Created: 2004-05-07
// Copyright: (c) 2004 Vadim Zeitlin, Wlodzimierz Skiba
///////////////////////////////////////////////////////////////////////////////
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#include "testprec.h"
#ifndef WX_PRECOMP
#include "wx/wx.h"
#endif // WX_PRECOMP
#include <algorithm>
TEST_CASE("StdString::Constructors", "[stdstring]")
{
wxString s1(wxT("abcdefgh")),
s2(wxT("abcdefghijklm"), 8),
s3(wxT("abcdefghijklm")),
s4(8, wxT('a'));
wxString s5(s1),
s6(s3, 0, 8),
s7(s3.begin(), s3.begin() + 8);
wxString s8(s1, 4, 8);
CHECK( s1 == wxT("abcdefgh") );
CHECK( s2 == s1 );
CHECK( s4 == wxT("aaaaaaaa") );
CHECK( s5 == wxT("abcdefgh") );
CHECK( s6 == s1 );
CHECK( s7 == s1 );
CHECK( s8 == wxT("efgh") );
const char *pc = s1.c_str();
CHECK( wxString(pc + 1, pc + 4) == "bcd" );
const wchar_t *pw = s2.c_str();
CHECK( wxString(pw, pw + 1) == "a" );
wxString s9(std::move(s1));
CHECK( s9 == wxT("abcdefgh"));
wxString s10(std::move(s3), 8);
CHECK( s10 == wxT("abcdefgh"));
}
TEST_CASE("StdString::Iterators", "[stdstring]")
{
// test compilation of default iterators ctors:
wxString::iterator i1;
wxUnusedVar(i1);
wxString::const_iterator i2;
wxUnusedVar(i2);
wxString::reverse_iterator i3;
wxUnusedVar(i3);
wxString::const_reverse_iterator i4;
wxUnusedVar(i4);
}
TEST_CASE("StdString::IteratorsCmp", "[stdstring]")
{
wxString s("foobar");
wxString::iterator i = s.begin();
wxString::const_iterator ci = s.begin();
CHECK( i == ci );
CHECK( i >= ci );
CHECK( i <= ci );
CHECK( ci == i );
CHECK( ci >= i );
CHECK( ci <= i );
ci++;
CHECK( i != ci );
CHECK( i < ci );
CHECK( !(i > ci) );
CHECK( ci != i );
CHECK( ci > i );
CHECK( !(ci < i) );
}
TEST_CASE("StdString::Append", "[stdstring]")
{
wxString s1, s2, s3, s4, s5, s6, s7, s8;
s1 = s2 = s3 = s4 = s5 = s6 = wxT("abc");
s1.append(wxT("def"));
s2.append(wxT("defgh"), 3);
s3.append(wxString(wxT("abcdef")), 3, 6);
s4.append(s1);
s5.append(3, wxT('a'));
s5.append(2, 'x');
s5.append(1, (unsigned char)'y');
s6.append(s1.begin() + 3, s1.end());
CHECK( s1 == wxT("abcdef") );
CHECK( s2 == wxT("abcdef") );
CHECK( s3 == wxT("abcdef") );
CHECK( s4 == wxT("abcabcdef") );
CHECK( s5 == wxT("abcaaaxxy") );
CHECK( s6 == wxT("abcdef") );
const char *pc = s1.c_str() + 2;
s7.append(pc, pc + 4);
CHECK( s7 == "cdef" );
const wchar_t *pw = s2.c_str() + 2;
s8.append(pw, pw + 4);
CHECK( s8 == "cdef" );
s7 = s8 = wxString(wxT("null\0time"), 9);
s7.append(wxT("def"));
s8.append(wxT("defgh"), 3);
CHECK( s7 == wxString(wxT("null\0timedef"), 12) );
CHECK( s8 == wxString(wxT("null\0timedef"), 12) );
}
TEST_CASE("StdString::Assign", "[stdstring]")
{
wxString s1, s2, s3, s4, s5, s6, s7, s8, s9;
s1 = s2 = s3 = s4 = s5 = s6 = s7 = s8 = s9 = wxT("abc");
s1.assign(wxT("def"));
s2.assign(wxT("defgh"), 3);
s3.assign(wxString(wxT("abcdef")), 3, 6);
s4.assign(s1);
s5.assign(3, wxT('a'));
s6.assign(s1.begin() + 1, s1.end());
CHECK( s1 == wxT("def") );
CHECK( s2 == wxT("def") );
CHECK( s3 == wxT("def") );
CHECK( s4 == wxT("def") );
CHECK( s5 == wxT("aaa") );
CHECK( s6 == wxT("ef") );
const char *pc = s1.c_str();
s7.assign(pc, pc + 2);
CHECK( s7 == "de" );
const wchar_t *pw = s1.c_str();
s8.assign(pw + 2, pw + 3);
CHECK( s8 == "f" );
s1.assign(s1, 1, 1);
CHECK( s1 == "e" );
s9.assign(std::move(s2));
CHECK(s9 == wxT("def"));
s2 = wxT("qwerty");
CHECK(s2 == wxT("qwerty"));
// Self-assignment
wxString& s9ref = s9;
s9ref.assign(s9);
CHECK(s9 == wxT("def"));
// Self-move may change the value, but shouldn't crash
// and reassignment should work
s9ref.assign(std::move(s9));
s9 = "qwerty";
CHECK(s9 == wxT("qwerty"));
}
TEST_CASE("StdString::AssignOp", "[stdstring]")
{
wxString s1, s2, s3, s4, s5, s6, s7, s8;
s1 = s2 = s3 = s4 = s5 = s6 = s7 = s8 = wxT("abc");
// operator=
s1 = wxT("def");
CHECK(s1 == wxT("def"));
s2 = s1;
CHECK(s2 == wxT("def"));
const char* pc = s1.c_str();
s3 = pc;
CHECK(s3 == wxT("def"));
const wchar_t* pw = s1.c_str();
s4 = pw;
CHECK(s4 == wxT("def"));
s5 = std::move(s1);
CHECK(s5 == wxT("def"));
s1 = wxT("qwerty");
CHECK(s1 == wxT("qwerty"));
// swap
s6 = wxT("def");
std::swap(s6, s7);
CHECK(s6 == wxT("abc"));
CHECK(s7 == wxT("def"));
swap(s6, s7);
CHECK(s6 == wxT("def"));
CHECK(s7 == wxT("abc"));
s6.swap(s7);
CHECK(s6 == wxT("abc"));
CHECK(s7 == wxT("def"));
// Self-assignment
wxString& s8ref = s8;
s8ref = s8;
CHECK(s8 == wxT("abc"));
// Self-move may change the value, but shouldn't crash
// and reassignment should work
s8ref = std::move(s8);
s8 = "qwerty";
CHECK(s8 == wxT("qwerty"));
// Self-swap
std::swap(s8, s8ref);
CHECK(s8 == wxT("qwerty"));
swap(s8, s8ref);
CHECK(s8 == wxT("qwerty"));
s8.swap(s8ref);
CHECK(s8 == wxT("qwerty"));
}
TEST_CASE("StdString::Compare", "[stdstring]")
{
wxString s1, s2, s3, s4, s5, s6;
s1 = wxT("abcdefgh");
s2 = wxT("abcdefgh");
s3 = wxT("abc");
s4 = wxT("abcdefghi");
s5 = wxT("aaa");
s6 = wxT("zzz");
CHECK( s1.compare(s2) == 0 );
CHECK( s1.compare(s3) > 0 );
CHECK( s1.compare(s4) < 0 );
CHECK( s1.compare(s5) > 0 );
CHECK( s1.compare(s6) < 0 );
CHECK( s1.compare(1, 12, s1) > 0);
CHECK( s1.compare(wxT("abcdefgh")) == 0);
CHECK( s1.compare(1, 7, wxT("bcdefgh")) == 0);
CHECK( s1.compare(1, 7, wxT("bcdefgh"), 7) == 0);
}
TEST_CASE("StdString::Erase", "[stdstring]")
{
wxString s1, s2, s3, s4, s7;
s1 = wxT("abcdefgh");
s2 = wxT("abcdefgh");
s3 = wxT("abc");
s4 = wxT("abcdefghi");
s7 = wxT("zabcdefg");
s1.erase(1, 1);
s2.erase(4, 12);
wxString::iterator it = s3.erase(s3.begin() + 1);
wxString::iterator it2 = s4.erase(s4.begin() + 4, s4.begin() + 6);
wxString::iterator it3 = s7.erase(s7.begin() + 4, s7.begin() + 8);
CHECK( s1 == wxT("acdefgh") );
CHECK( s2 == wxT("abcd") );
CHECK( s3 == wxT("ac") );
CHECK( s4 == wxT("abcdghi") );
CHECK( s7 == wxT("zabc") );
CHECK( *it == wxT('c') );
CHECK( *it2 == wxT('g') );
CHECK( it3 == s7.end() );
}
TEST_CASE("StdString::Find", "[stdstring]")
{
// 0 1 2
// 01234567890123456789012345
wxString s1 = wxT("abcdefgABCDEFGabcABCabcABC");
wxString s2 = wxT("gAB");
CHECK( s1.find(wxT('A')) == 7u );
CHECK( s1.find(wxT('A'), 7) == 7u );
CHECK( s1.find(wxT('Z')) == wxString::npos );
CHECK( s1.find(wxT('C'), 22) == 25u );
CHECK( s1.find(wxT("gAB")) == 6u );
CHECK( s1.find(wxT("gAB"), 7) == wxString::npos );
CHECK( s1.find(wxT("gAB"), 6) == 6u );
CHECK( s1.find(wxT("gABZZZ"), 2, 3) == 6u );
CHECK( s1.find(wxT("gABZZZ"), 7, 3) == wxString::npos );
CHECK( s1.find(s2) == 6u );
CHECK( s1.find(s2, 7) == wxString::npos );
CHECK( s1.find(s2, 6) == 6u );
// 0 1 2
// 0123456 78901234567 8901234567
//wxString _s1 = wxT("abcdefg\0ABCDEFGabc\0ABCabcABC");
//wxString _s2 = wxT("g\0AB");
wxString _s1 = wxT("abcdefgABCDEFGabcABCabcABC");
wxString _s2 = wxT("gAB");
_s1.insert(7, 1, '\0');
_s1.insert(18, 1, '\0');
_s2.insert(1, 1, '\0');
CHECK( _s1.find(wxT('A')) == 8u );
CHECK( _s1.find(wxT('A'), 8) == 8u );
CHECK( _s1.find(wxT('Z')) == wxString::npos );
CHECK( _s1.find(wxT('C'), 22) == 27u );
CHECK( _s1.find(wxT("AB")) == 8u );
CHECK( _s1.find(wxT("AB"), 26) == wxString::npos );
CHECK( _s1.find(wxT("AB"), 23) == 25u );
CHECK( _s1.find(wxT("ABZZZ"), 2, 2) == 8u );
CHECK( _s1.find(wxT("ABZZZ"), 26, 2) == wxString::npos );
CHECK( _s1.find(_s2) == 6u );
CHECK( _s1.find(_s2, 7) == wxString::npos );
CHECK( _s1.find(_s2, 6) == 6u );
}
TEST_CASE("StdString::FindFirst", "[stdstring]")
{
// 0 1 2 3
// 01234567890123456789012345678901234
wxString s1 = wxT("aaaaaabcdefghlkjiaaaaaabcdbcdbcdbcd");
wxString s2 = wxT("aaaaaa");
CHECK( s1.find_first_not_of(wxT('a')) == 6u );
CHECK( s1.find_first_not_of(wxT('a'), 7) == 7u );
CHECK( s2.find_first_not_of(wxT('a')) == wxString::npos );
CHECK( s1.find_first_not_of(wxT("abde"), 4) == 7u );
CHECK( s1.find_first_not_of(wxT("abde"), 7) == 7u );
CHECK( s1.find_first_not_of(wxT("abcdefghijkl")) == wxString::npos );
CHECK( s1.find_first_not_of(wxT("abcdefghi"), 0, 4) == 9u );
CHECK( s1.find_first_of(wxT('c')) == 7u );
CHECK( s1.find_first_of(wxT('v')) == wxString::npos );
CHECK( s1.find_first_of(wxT('c'), 10) == 24u );
CHECK( s1.find_first_of(wxT("ijkl")) == 13u );
CHECK( s1.find_first_of(wxT("ddcfg"), 17) == 24u );
CHECK( s1.find_first_of(wxT("ddcfga"), 17, 5) == 24u );
}
TEST_CASE("StdString::FindLast", "[stdstring]")
{
// 0 1 2 3
// 01234567890123456789012345678901234
wxString s1 = wxT("aaaaaabcdefghlkjiaaaaaabcdbcdbcdbcd");
wxString s2 = wxT("aaaaaa");
CHECK( s2.find_last_not_of(wxT('a')) == wxString::npos );
CHECK( s1.find_last_not_of(wxT('d')) == 33u );
CHECK( s1.find_last_not_of(wxT('d'), 25) == 24u );
CHECK( s1.find_last_not_of(wxT("bcd")) == 22u );
CHECK( s1.find_last_not_of(wxT("abc"), 24) == 16u );
CHECK( s1.find_last_not_of(wxT("abcdefghijklmnopqrstuv"), 24, 3) == 16u );
CHECK( s2.find_last_of(wxT('c')) == wxString::npos );
CHECK( s1.find_last_of(wxT('a')) == 22u );
CHECK( s1.find_last_of(wxT('b'), 24) == 23u );
CHECK( s1.find_last_of(wxT("ijklm")) == 16u );
CHECK( s1.find_last_of(wxT("ijklma"), 33, 4) == 16u );
CHECK( s1.find_last_of(wxT("a"), 17) == 17u );
// 0 1 2 3
// 012345 67890123456789 01234567890123456
// wxString s1 = wxT("aaaaaa\0bcdefghlkjiaa\0aaaabcdbcdbcdbcd");
// wxString s2 = wxT("aaaaaa\0");
s1.insert(6,1,'\0');
s1.insert(20,1,'\0');
s2.insert(6,1,'\0');
CHECK( s2.find_last_not_of(wxT('a')) == 6u );
CHECK( s1.find_last_not_of(wxT('d')) == 35u );
CHECK( s1.find_last_not_of(wxT('d'), 27) == 26u );
CHECK( s1.find_last_not_of(wxT("bcd")) == 24u );
CHECK( s1.find_last_not_of(wxT("abc"), 26) == 20u );
CHECK( s1.find_last_not_of(wxT("abcdefghijklmnopqrstuv"), 26, 3) == 20u );
CHECK( s2.find_last_of(wxT('c')) == wxString::npos );
CHECK( s1.find_last_of(wxT('a')) == 24u );
CHECK( s1.find_last_of(wxT('b'), 26) == 25u );
CHECK( s1.find_last_of(wxT("ijklm")) == 17u );
CHECK( s1.find_last_of(wxT("ijklma"), 35, 4) == 17u );
CHECK( s1.find_last_of(wxT("a"), 18) == 18u );
}
TEST_CASE("StdString::StartsEndsWith", "[stdstring]")
{
const wxString s(wxT("Hello, world!"));
CHECK( s.starts_with(wxT("Hello")) == true );
CHECK( s.starts_with(wxT("Hello, ")) == true );
CHECK( s.starts_with(wxT("Hello, world!")) == true );
CHECK( s.starts_with(wxT("Hello, world!!!")) == false );
CHECK( s.starts_with(wxT("")) == true );
CHECK( s.starts_with(wxT("Goodbye")) == false );
CHECK( s.starts_with(wxT("Hi")) == false );
CHECK( s.ends_with(wxT("Hello, world!")) == true );
CHECK( s.ends_with(wxT("world!")) == true );
CHECK( s.ends_with(wxT("Hello")) == false );
CHECK( s.ends_with(wxT("!")) == true );
CHECK( s.ends_with(wxT("")) == true );
CHECK( s.ends_with(wxT("very long string")) == false );
CHECK( s.ends_with(wxT("?")) == false );
CHECK( s.ends_with(wxT("Hello, world")) == false );
CHECK( s.ends_with(wxT("Gello, world!")) == false );
}
TEST_CASE("StdString::Insert", "[stdstring]")
{
wxString s1, s2, s3, s4, s5, s6, s7, s8, s9, s10;
s1 = s2 = s3 = s4 = s5 = s6 = s7 = s8 = wxT("aaaa");
s9 = s10 = wxT("cdefg");
s1.insert(1, wxT("cc") );
s2.insert(2, wxT("cdef"), 3);
s3.insert(2, s10);
s4.insert(2, s10, 3, 7);
s5.insert(1, 2, wxT('c'));
s6.insert(s6.begin() + 3, wxT('X'));
s7.insert(s7.begin(), s9.begin(), s9.end() - 1);
s8.insert(s8.begin(), 2, wxT('c'));
CHECK( s1 == wxT("accaaa") );
CHECK( s2 == wxT("aacdeaa") );
CHECK( s3 == wxT("aacdefgaa") );
CHECK( s4 == wxT("aafgaa") );
CHECK( s5 == wxT("accaaa") );
CHECK( s6 == wxT("aaaXa") );
CHECK( s7 == wxT("cdefaaaa") );
CHECK( s8 == wxT("ccaaaa") );
s1 = s2 = s3 = wxT("aaaa");
s1.insert(0, wxT("ccc"), 2);
s2.insert(4, wxT("ccc"), 2);
CHECK( s1 == wxT("ccaaaa") );
CHECK( s2 == wxT("aaaacc") );
}
TEST_CASE("StdString::Replace", "[stdstring]")
{
wxString s1, s2, s3, s4, s5, s6, s7, s8, s9;
s1 = s2 = s3 = s4 = s5 = s6 = s7 = s8 = wxT("QWERTYUIOP");
s9 = wxT("werty");
s1.replace(3, 4, wxT("rtyu"));
s1.replace(8, 7, wxT("opopop"));
s2.replace(10, 12, wxT("WWWW"));
s3.replace(1, 5, s9);
s4.replace(1, 4, s9, 0, 4);
s5.replace(1, 2, s9, 1, 12);
s6.replace(0, 123, s9, 0, 123);
s7.replace(2, 7, s9);
CHECK( s1 == wxT("QWErtyuIopopop") );
CHECK( s2 == wxT("QWERTYUIOPWWWW") );
CHECK( s3 == wxT("QwertyUIOP") );
CHECK( s4 == wxT("QwertYUIOP") );
CHECK( s5 == wxT("QertyRTYUIOP") );
CHECK( s6 == s9 );
CHECK( s7 == wxT("QWwertyP") );
}
TEST_CASE("StdString::RFind", "[stdstring]")
{
// 0 1 2
// 01234567890123456789012345
wxString s1 = wxT("abcdefgABCDEFGabcABCabcABC");
wxString s2 = wxT("gAB");
wxString s3 = wxT("ab");
CHECK( s1.rfind(wxT('A')) == 23u );
CHECK( s1.rfind(wxT('A'), 7) == 7u );
CHECK( s1.rfind(wxT('Z')) == wxString::npos );
CHECK( s1.rfind(wxT('C'), 22) == 19u );
CHECK( s1.rfind(wxT("cAB")) == 22u );
CHECK( s1.rfind(wxT("cAB"), 15) == wxString::npos );
CHECK( s1.rfind(wxT("cAB"), 21) == 16u );
CHECK( s1.rfind(wxT("gABZZZ"), 7, 3) == 6u );
CHECK( s1.rfind(wxT("gABZZZ"), 5, 3) == wxString::npos );
CHECK( s1.rfind(s2) == 6u );
CHECK( s1.rfind(s2, 5) == wxString::npos );
CHECK( s1.rfind(s2, 6) == 6u );
CHECK( s1.rfind(s3, 1) == 0u );
// 0 1 2
// 01234 56789012 345678901234567
// wxString s1 = wxT("abcde\0fgABCDE\0FGabcABCabcABC");
// wxString s2 = wxT("gAB");
// wxString s3 = wxT("ab");
s1.insert(5,1,'\0');
s1.insert(13,1,'\0');
CHECK( s1.rfind(wxT('A')) == 25u );
CHECK( s1.rfind(wxT('A'), 8) == 8u );
CHECK( s1.rfind(wxT('Z')) == wxString::npos );
CHECK( s1.rfind(wxT('C'), 22) == 21u );
CHECK( s1.rfind(wxT("cAB")) == 24u );
CHECK( s1.rfind(wxT("cAB"), 15) == wxString::npos );
CHECK( s1.rfind(wxT("cAB"), 21) == 18u );
CHECK( s1.rfind(wxT("gABZZZ"), 8, 3) == 7u );
CHECK( s1.rfind(wxT("gABZZZ"), 5, 3) == wxString::npos );
}
TEST_CASE("StdString::Resize", "[stdstring]")
{
wxString s1, s2, s3, s4;
s1 = s2 = s3 = s4 = wxT("abcABCdefDEF");
s1.resize( 12 );
s2.resize( 10 );
s3.resize( 14, wxT(' ') );
s4.resize( 14, wxT('W') );
CHECK( s1 == wxT("abcABCdefDEF") );
CHECK( s2 == wxT("abcABCdefD") );
CHECK( s3 == wxT("abcABCdefDEF ") );
CHECK( s4 == wxT("abcABCdefDEFWW") );
wxString s = wxString::FromUTF8("Привет");
s.resize(3);
CHECK( s == wxString::FromUTF8("При") );
}
TEST_CASE("StdString::Riter", "[stdstring]")
{
const wxString s(wxT("fozbar"));
wxString::const_reverse_iterator ri(s.rbegin());
CHECK( wxT('r') == *ri );
CHECK( wxT('a') == *++ri );
CHECK( wxT('r') == *--ri );
ri = s.rend();
ri--;
CHECK( wxT('f') == *ri );
--ri;
CHECK( wxT('o') == *ri );
wxString::const_iterator i = ri.base();
CHECK( wxT('z') == *i );
}
TEST_CASE("StdString::Substr", "[stdstring]")
{
wxString s1 = wxT("abcdefgABCDEFG");
CHECK( s1.substr( 0, 14 ) == s1 );
CHECK( s1.substr( 1, 13 ) == wxT("bcdefgABCDEFG") );
CHECK( s1.substr( 1, 20 ) == wxT("bcdefgABCDEFG") );
CHECK( s1.substr( 14, 30 ) == wxT("") );
s1.insert(3,1,'\0');
s1.insert(8,1,'\0');
s1.insert(13,1,'\0');
wxString s2 = wxT("bcdefgABCDEFG");
s2.insert(2,1,'\0');
s2.insert(7,1,'\0');
s2.insert(12,1,'\0');
CHECK( s1.substr( 0, 17 ) == s1 );
CHECK( s1.substr( 1, 17 ) == s2 );
CHECK( s1.substr( 1, 20 ) == s2 );
CHECK( s1.substr( 17, 30 ) == wxT("") );
}
TEST_CASE("StdString::Conversion", "[stdstring]")
{
std::string strStd("std::string value");
std::wstring strStdWide(L"std::wstring value");
wxString s1(strStd);
CHECK( s1 == "std::string value" );
wxString s2(strStdWide);
CHECK( s2 == "std::wstring value" );
wxString s3;
s3 = strStd;
CHECK( s3 == "std::string value" );
s3 = strStdWide;
CHECK( s3 == "std::wstring value" );
wxString s4("hello");
#if wxUSE_STD_STRING_CONV_IN_WXSTRING && !defined(wxNO_UNSAFE_WXSTRING_CONV)
std::string s5 = s4;
#else
std::string s5 = s4.ToStdString();
#endif
CHECK( s5 == "hello" );
#if wxUSE_STD_STRING_CONV_IN_WXSTRING
std::wstring s6 = s4;
#else
std::wstring s6 = s4.ToStdWstring();
#endif
CHECK( s6 == L"hello" );
CHECK( s4.wc_string() == L"hello" );
#if wxUSE_STD_STRING_CONV_IN_WXSTRING
#if !defined(wxNO_UNSAFE_WXSTRING_CONV)
std::string s7(s4);
CHECK( s7 == "hello" );
#endif
std::wstring s8(s4);
CHECK( s8 == L"hello" );
#endif // wxUSE_STD_STRING_CONV_IN_WXSTRING
std::string s9("\xF0\x9F\x90\xB1\0\xE7\x8C\xAB", 9); /* U+1F431 U+0000 U+732B */
wxString s10 = wxString::FromUTF8(s9);
CHECK( s10.ToStdString(wxConvUTF8) == s9 );
CHECK( s10.utf8_string() == s9 );
std::string s11("xyz\0\xFF", 5); /* an invalid UTF-8 sequence */
CHECK( "" == wxString::FromUTF8(s11) );
CHECK( wxString("bye").utf8_string() == std::string("bye") );
}
TEST_CASE("StdString::Algo", "[stdstring]")
{
wxString s("AB");
std::reverse(s.begin(), s.end());
CHECK( s == "BA" );
}
#ifdef wxHAS_STD_STRING_VIEW
TEST_CASE("StdString::View", "[stdstring]")
{
std::string strStd("std::string value");
std::wstring strStdWide(L"std::wstring value");
std::string_view strStdView(strStd);
std::wstring_view strStdWideView(strStdWide);
wxString s1(strStdView);
CHECK( s1 == "std::string value" );
wxString s2(strStdWideView);
CHECK( s2 == "std::wstring value" );
wxString s3;
s3 = strStdView;
CHECK( s3 == "std::string value" );
s3 = strStdWideView;
CHECK( s3 == "std::wstring value" );
std::string strUTF("\xF0\x9F\x90\xB1\0\xE7\x8C\xAB", 9); /* U+1F431 U+0000 U+732B */
std::string_view strViewUTF(strUTF);
wxString wxstrUTF = wxString::FromUTF8(strViewUTF);
CHECK( wxstrUTF.ToStdString(wxConvUTF8) == strUTF );
CHECK( wxstrUTF.utf8_string() == strUTF );
std::string strInvalidUTF("xyz\0\xFF", 5); /* an invalid UTF-8 sequence */
std::string_view strViewInvalidUTF(strInvalidUTF);
CHECK( "" == wxString::FromUTF8(strViewInvalidUTF) );
/* Ensure we don't clobber comparisons on base types */
std::string_view view = "abc";
const char *str = "abc";
CHECK( view == str );
std::wstring_view wview = L"abc";
const wchar_t *wstr = L"abc";
CHECK( wview == wstr );
}
#endif // wxHAS_STD_STRING_VIEW
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