sandy
/
PL286
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
1 Commit
1 Branch
0 Tags
18 GiB
Branch: master
Branches Tags
${ item.name }
Create tag ${ searchTerm }
Create branch ${ searchTerm }
from 'master'
${ noResults }
PL286/external/Microsoft-GSL/tests/string_span_tests.cpp

971 lines
26 KiB
Raw Permalink Blame History

///////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2015 Microsoft Corporation. All rights reserved.
//
// This code is licensed under the MIT License (MIT).
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//
///////////////////////////////////////////////////////////////////////////////
#include <UnitTest++/UnitTest++.h>
#include <cstdlib>
#include <gsl/string_span>
#include <vector>
#include <map>
using namespace std;
using namespace gsl;
SUITE(string_span_tests)
{
TEST(TestLiteralConstruction)
{
cwstring_span<> v = ensure_z(L"Hello");
CHECK(5 == v.length());
#ifdef CONFIRM_COMPILATION_ERRORS
wstring_span<> v2 = ensure0(L"Hello");
#endif
}
TEST(TestConstructFromStdString)
{
std::string s = "Hello there world";
cstring_span<> v = s;
CHECK(v.length() == static_cast<cstring_span<>::index_type>(s.length()));
}
TEST(TestConstructFromStdVector)
{
std::vector<char> vec(5, 'h');
string_span<> v {vec};
CHECK(v.length() == static_cast<string_span<>::index_type>(vec.size()));
}
TEST(TestStackArrayConstruction)
{
wchar_t stack_string[] = L"Hello";
{
cwstring_span<> v = ensure_z(stack_string);
CHECK(v.length() == 5);
}
{
cwstring_span<> v = stack_string;
CHECK(v.length() == 5);
}
{
wstring_span<> v = ensure_z(stack_string);
CHECK(v.length() == 5);
}
{
wstring_span<> v = stack_string;
CHECK(v.length() == 5);
}
}
TEST(TestConstructFromConstCharPointer)
{
const char* s = "Hello";
cstring_span<> v = ensure_z(s);
CHECK(v.length() == 5);
}
TEST(TestConversionToConst)
{
char stack_string[] = "Hello";
string_span<> v = ensure_z(stack_string);
cstring_span<> v2 = v;
CHECK(v.length() == v2.length());
}
TEST(TestConversionFromConst)
{
char stack_string[] = "Hello";
cstring_span<> v = ensure_z(stack_string);
(void)v;
#ifdef CONFIRM_COMPILATION_ERRORS
string_span<> v2 = v;
string_span<> v3 = "Hello";
#endif
}
TEST(TestToString)
{
auto s = gsl::to_string(cstring_span<>{});
CHECK(s.length() == 0);
char stack_string[] = "Hello";
cstring_span<> v = ensure_z(stack_string);
auto s2 = gsl::to_string(v);
CHECK(static_cast<cstring_span<>::index_type>(s2.length()) == v.length());
CHECK(s2.length() == 5);
}
TEST(TestToBasicString)
{
auto s = gsl::to_basic_string<char,std::char_traits<char>,::std::allocator<char>>(cstring_span<>{});
CHECK(s.length() == 0);
char stack_string[] = "Hello";
cstring_span<> v = ensure_z(stack_string);
auto s2 = gsl::to_basic_string<char,std::char_traits<char>,::std::allocator<char>>(v);
CHECK(static_cast<cstring_span<>::index_type>(s2.length()) == v.length());
CHECK(s2.length() == 5);
}
TEST(EqualityAndImplicitConstructors)
{
{
cstring_span<> span = "Hello";
cstring_span<> span1;
// comparison to empty span
CHECK(span1 != span);
CHECK(span != span1);
}
{
cstring_span<> span = "Hello";
cstring_span<> span1 = "Hello1";
// comparison to different span
CHECK(span1 != span);
CHECK(span != span1);
}
{
cstring_span<> span = "Hello";
const char ar[] = { 'H', 'e', 'l', 'l', 'o' };
const char ar1[] = "Hello";
const char ar2[10] = "Hello";
const char* ptr = "Hello";
const std::string str = "Hello";
const std::vector<char> vec = { 'H', 'e', 'l', 'l', 'o' };
gsl::span<const char> sp = ensure_z("Hello");
// comparison to literal
CHECK(span == cstring_span<>("Hello"));
// comparison to static array with no null termination
CHECK(span == cstring_span<>(ar));
// comparison to static array with null at the end
CHECK(span == cstring_span<>(ar1));
// comparison to static array with null in the middle
CHECK(span == cstring_span<>(ar2));
// comparison to null-terminated c string
CHECK(span == cstring_span<>(ptr, 5));
// comparison to string
CHECK(span == cstring_span<>(str));
// comparison to vector of charaters with no null termination
CHECK(span == cstring_span<>(vec));
// comparison to span
CHECK(span == cstring_span<>(sp));
// comparison to string_span
CHECK(span == span);
}
{
char ar[] = { 'H', 'e', 'l', 'l', 'o' };
string_span<> span = ar;
char ar1[] = "Hello";
char ar2[10] = "Hello";
char* ptr = ar;
std::string str = "Hello";
std::vector<char> vec = { 'H', 'e', 'l', 'l', 'o' };
gsl::span<char> sp = ensure_z(ar1);
// comparison to static array with no null termination
CHECK(span == string_span<>(ar));
// comparison to static array with null at the end
CHECK(span == string_span<>(ar1));
// comparison to static array with null in the middle
CHECK(span == string_span<>(ar2));
// comparison to null-terminated c string
CHECK(span == string_span<>(ptr, 5));
// comparison to string
CHECK(span == string_span<>(str));
// comparison to vector of charaters with no null termination
CHECK(span == string_span<>(vec));
// comparison to span
CHECK(span == string_span<>(sp));
// comparison to string_span
CHECK(span == span);
}
{
const char ar[] = { 'H', 'e', 'l', 'l', 'o' };
const char ar1[] = "Hello";
const char ar2[10] = "Hello";
const std::string str = "Hello";
const std::vector<char> vec = { 'H', 'e', 'l', 'l', 'o' };
gsl::span<const char> sp = ensure_z("Hello");
cstring_span<> span = "Hello";
// const span, const other type
CHECK(span == "Hello");
CHECK(span == ar);
CHECK(span == ar1);
CHECK(span == ar2);
#ifdef CONFIRM_COMPILATION_ERRORS
const char* ptr = "Hello";
CHECK(span == ptr);
#endif
CHECK(span == str);
CHECK(span == vec);
CHECK(span == sp);
CHECK("Hello" == span);
CHECK(ar == span);
CHECK(ar1 == span);
CHECK(ar2 == span);
#ifdef CONFIRM_COMPILATION_ERRORS
CHECK(ptr == span);
#endif
CHECK(str == span);
CHECK(vec == span);
CHECK(sp == span);
// const span, non-const other type
char _ar[] = { 'H', 'e', 'l', 'l', 'o' };
char _ar1[] = "Hello";
char _ar2[10] = "Hello";
char* _ptr = _ar;
std::string _str = "Hello";
std::vector<char> _vec = { 'H', 'e', 'l', 'l', 'o' };
gsl::span<char> _sp{ _ar, 5 };
CHECK(span == _ar);
CHECK(span == _ar1);
CHECK(span == _ar2);
#ifdef CONFIRM_COMPILATION_ERRORS
CHECK(span == _ptr);
#endif
CHECK(span == _str);
CHECK(span == _vec);
CHECK(span == _sp);
CHECK(_ar == span);
CHECK(_ar1 == span);
CHECK(_ar2 == span);
#ifdef CONFIRM_COMPILATION_ERRORS
CHECK(_ptr == span);
#endif
CHECK(_str == span);
CHECK(_vec == span);
CHECK(_sp == span);
string_span<> _span{ _ptr, 5 };
// non-const span, non-const other type
CHECK(_span == _ar);
CHECK(_span == _ar1);
CHECK(_span == _ar2);
#ifdef CONFIRM_COMPILATION_ERRORS
CHECK(_span == _ptr);
#endif
CHECK(_span == _str);
CHECK(_span == _vec);
CHECK(_span == _sp);
CHECK(_ar == _span);
CHECK(_ar1 == _span);
CHECK(_ar2 == _span);
#ifdef CONFIRM_COMPILATION_ERRORS
CHECK(_ptr == _span);
#endif
CHECK(_str == _span);
CHECK(_vec == _span);
CHECK(_sp == _span);
// non-const span, const other type
CHECK(_span == "Hello");
CHECK(_span == ar);
CHECK(_span == ar1);
CHECK(_span == ar2);
#ifdef CONFIRM_COMPILATION_ERRORS
CHECK(_span == ptr);
#endif
CHECK(_span == str);
CHECK(_span == vec);
CHECK(_span == sp);
CHECK("Hello" == _span);
CHECK(ar == _span);
CHECK(ar1 == _span);
CHECK(ar2 == _span);
#ifdef CONFIRM_COMPILATION_ERRORS
CHECK(ptr == _span);
#endif
CHECK(str == _span);
CHECK(vec == _span);
CHECK(sp == _span);
// two spans
CHECK(_span == span);
CHECK(span == _span);
}
{
std::vector<char> str1 = { 'H', 'e', 'l', 'l', 'o' };
cstring_span<> span1 = str1;
std::vector<char> str2 = std::move(str1);
cstring_span<> span2 = str2;
// comparison of spans from the same vector before and after move (ok)
CHECK(span1 == span2);
}
}
TEST(ComparisonAndImplicitConstructors)
{
{
cstring_span<> span = "Hello";
const char ar[] = { 'H', 'e', 'l', 'l', 'o' };
const char ar1[] = "Hello";
const char ar2[10] = "Hello";
const char* ptr = "Hello";
const std::string str = "Hello";
const std::vector<char> vec = { 'H', 'e', 'l', 'l', 'o' };
// comparison to literal
CHECK(span < cstring_span<>("Helloo"));
CHECK(span > cstring_span<>("Hell"));
// comparison to static array with no null termination
CHECK(span >= cstring_span<>(ar));
// comparison to static array with null at the end
CHECK(span <= cstring_span<>(ar1));
// comparison to static array with null in the middle
CHECK(span >= cstring_span<>(ar2));
// comparison to null-terminated c string
CHECK(span <= cstring_span<>(ptr, 5));
// comparison to string
CHECK(span >= cstring_span<>(str));
// comparison to vector of charaters with no null termination
CHECK(span <= cstring_span<>(vec));
}
{
char ar[] = { 'H', 'e', 'l', 'l', 'o' };
string_span<> span = ar;
char larr[] = "Hell";
char rarr[] = "Helloo";
char ar1[] = "Hello";
char ar2[10] = "Hello";
char* ptr = ar;
std::string str = "Hello";
std::vector<char> vec = { 'H', 'e', 'l', 'l', 'o' };
// comparison to static array with no null termination
CHECK(span <= string_span<>(ar));
CHECK(span < string_span<>(rarr));
CHECK(span > string_span<>(larr));
// comparison to static array with null at the end
CHECK(span >= string_span<>(ar1));
// comparison to static array with null in the middle
CHECK(span <= string_span<>(ar2));
// comparison to null-terminated c string
CHECK(span >= string_span<>(ptr, 5));
// comparison to string
CHECK(span <= string_span<>(str));
// comparison to vector of charaters with no null termination
CHECK(span >= string_span<>(vec));
}
}
TEST(ConstrutorsEnsureZ)
{
// remove z from literals
{
cstring_span<> sp = "hello";
CHECK((sp.length() == 5));
}
// take the string as is
{
auto str = std::string("hello");
cstring_span<> sp = str;
CHECK((sp.length() == 5));
}
// ensure z on c strings
{
char* ptr = new char[3];
ptr[0] = 'a';
ptr[1] = 'b';
ptr[2] = '\0';
string_span<> span = ensure_z(ptr);
CHECK(span.length() == 2);
delete[] ptr;
}
}
TEST(Constructors)
{
// creating cstring_span
// from span of a final extent
{
span<const char, 6> sp = "Hello";
cstring_span<> span = sp;
CHECK(span.length() == 6);
}
// from const span of a final extent to non-const string_span
#ifdef CONFIRM_COMPILATION_ERRORS
{
span<const char, 6> sp = "Hello";
string_span<> span = sp;
CHECK(span.length() == 6);
}
#endif
// from string temporary
#ifdef CONFIRM_COMPILATION_ERRORS
{
cstring_span<> span = std::string("Hello");
}
#endif
// default
{
cstring_span<> span;
CHECK(span.length() == 0);
}
// from nullptr
{
cstring_span<> span(nullptr);
CHECK(span.length() == 0);
}
// from string literal
{
cstring_span<> span = "Hello";
CHECK(span.length() == 5);
}
// from const static array
{
const char ar[] = { 'H', 'e', 'l', 'l', 'o' };
cstring_span<> span = ar;
CHECK(span.length() == 5);
}
// from non-const static array
{
char ar[] = { 'H', 'e', 'l', 'l', 'o' };
cstring_span<> span = ar;
CHECK(span.length() == 5);
}
// from const ptr and length
{
const char* ptr = "Hello";
cstring_span<> span{ ptr, 5 };
CHECK(span.length() == 5);
}
// from const ptr and length, include 0
{
const char* ptr = "Hello";
cstring_span<> span{ ptr, 6 };
CHECK(span.length() == 6);
}
// from const ptr and length, 0 inside
{
const char* ptr = "He\0lo";
cstring_span<> span{ ptr, 5 };
CHECK(span.length() == 5);
}
// from non-const ptr and length
{
char ar[] = { 'H', 'e', 'l', 'l', 'o' };
char* ptr = ar;
cstring_span<> span{ ptr, 5 };
CHECK(span.length() == 5);
}
// from non-const ptr and length, 0 inside
{
char ar[] = { 'H', 'e', '\0', 'l', 'o' };
char* ptr = ar;
cstring_span<> span{ ptr, 5 };
CHECK(span.length() == 5);
}
// from const string
{
const std::string str = "Hello";
cstring_span<> span = str;
CHECK(span.length() == 5);
}
// from non-const string
{
std::string str = "Hello";
cstring_span<> span = str;
CHECK(span.length() == 5);
}
// from const vector
{
const std::vector<char> vec = { 'H', 'e', 'l', 'l', 'o' };
cstring_span<> span = vec;
CHECK(span.length() == 5);
}
// from non-const vector
{
std::vector<char> vec = { 'H', 'e', 'l', 'l', 'o' };
cstring_span<> span = vec;
CHECK(span.length() == 5);
}
// from const span
{
std::vector<char> vec = { 'H', 'e', 'l', 'l', 'o' };
const span<const char> inner = vec;
cstring_span<> span = inner;
CHECK(span.length() == 5);
}
// from non-const span
{
std::vector<char> vec = { 'H', 'e', 'l', 'l', 'o' };
span<char> inner = vec;
cstring_span<> span = inner;
CHECK(span.length() == 5);
}
// from const string_span
{
std::vector<char> vec = { 'H', 'e', 'l', 'l', 'o' };
cstring_span<> tmp = vec;
cstring_span<> span = tmp;
CHECK(span.length() == 5);
}
// from non-const string_span
{
std::vector<char> vec = { 'H', 'e', 'l', 'l', 'o' };
string_span<> tmp = vec;
cstring_span<> span = tmp;
CHECK(span.length() == 5);
}
// creating string_span
// from string literal
{
#ifdef CONFIRM_COMPILATION_ERRORS
string_span<> span = "Hello";
#endif
}
// from const static array
{
#ifdef CONFIRM_COMPILATION_ERRORS
const char ar[] = { 'H', 'e', 'l', 'l', 'o' };
string_span<> span = ar;
CHECK(span.length() == 5);
#endif
}
// from non-const static array
{
char ar[] = { 'H', 'e', 'l', 'l', 'o' };
string_span<> span = ar;
CHECK(span.length() == 5);
}
// from const ptr and length
{
#ifdef CONFIRM_COMPILATION_ERRORS
const char* ptr = "Hello";
string_span<> span{ ptr, 5 };
CHECK(span.length() == 5);
#endif
}
// from non-const ptr and length
{
char ar[] = { 'H', 'e', 'l', 'l', 'o' };
char* ptr = ar;
string_span<> span{ ptr, 5 };
CHECK(span.length() == 5);
}
// from const string
{
#ifdef CONFIRM_COMPILATION_ERRORS
const std::string str = "Hello";
string_span<> span = str;
CHECK(span.length() == 5);
#endif
}
// from non-const string
{
std::string str = "Hello";
string_span<> span = str;
CHECK(span.length() == 5);
}
// from const vector
{
#ifdef CONFIRM_COMPILATION_ERRORS
const std::vector<char> vec = { 'H', 'e', 'l', 'l', 'o' };
string_span<> span = vec;
CHECK(span.length() == 5);
#endif
}
// from non-const vector
{
std::vector<char> vec = { 'H', 'e', 'l', 'l', 'o' };
string_span<> span = vec;
CHECK(span.length() == 5);
}
// from const span
{
#ifdef CONFIRM_COMPILATION_ERRORS
std::vector<char> vec = { 'H', 'e', 'l', 'l', 'o' };
const span<const char> inner = vec;
string_span<> span = inner;
CHECK(span.length() == 5);
#endif
}
// from non-const span
{
std::vector<char> vec = { 'H', 'e', 'l', 'l', 'o' };
span<char> inner = vec;
string_span<> span = inner;
CHECK(span.length() == 5);
}
// from non-const span of non-const data from const vector
{
#ifdef CONFIRM_COMPILATION_ERRORS
const std::vector<char> vec = { 'H', 'e', 'l', 'l', 'o' };
const span<char> inner = vec;
string_span<> span = inner;
CHECK(span.length() == 5);
#endif
}
// from const string_span
{
#ifdef CONFIRM_COMPILATION_ERRORS
std::vector<char> vec = { 'H', 'e', 'l', 'l', 'o' };
cstring_span<> tmp = vec;
string_span<> span = tmp;
CHECK(span.length() == 5);
#endif
}
// from non-const string_span
{
std::vector<char> vec = { 'H', 'e', 'l', 'l', 'o' };
string_span<> tmp = vec;
string_span<> span = tmp;
CHECK(span.length() == 5);
}
// from non-const string_span from const vector
{
#ifdef CONFIRM_COMPILATION_ERRORS
const std::vector<char> vec = { 'H', 'e', 'l', 'l', 'o' };
string_span<> tmp = vec;
string_span<> span = tmp;
CHECK(span.length() == 5);
#endif
}
// from const string_span of non-const data
{
std::vector<char> vec = { 'H', 'e', 'l', 'l', 'o' };
const string_span<> tmp = vec;
string_span<> span = tmp;
CHECK(span.length() == 5);
}
}
template<typename T>
T move_wrapper(T&& t)
{
return std::move(t);
}
template <class T>
T create() { return T{}; }
template <class T>
void use(basic_string_span<T, gsl::dynamic_extent> s) {}
TEST(MoveConstructors)
{
// move string_span
{
cstring_span<> span = "Hello";
auto span1 = std::move(span);
CHECK(span1.length() == 5);
}
{
cstring_span<> span = "Hello";
auto span1 = move_wrapper(std::move(span));
CHECK(span1.length() == 5);
}
{
cstring_span<> span = "Hello";
auto span1 = move_wrapper(std::move(span));
CHECK(span1.length() == 5);
}
// move span
{
span<const char> span = ensure_z("Hello");
cstring_span<> span1 = std::move(span);
CHECK(span1.length() == 5);
}
{
span<const char> span = ensure_z("Hello");
cstring_span<> span2 = move_wrapper(std::move(span));
CHECK(span2.length() == 5);
}
// move string
{
#ifdef CONFIRM_COMPILATION_ERRORS
std::string str = "Hello";
string_span<> span = std::move(str);
CHECK(span.length() == 5);
#endif
}
{
#ifdef CONFIRM_COMPILATION_ERRORS
std::string str = "Hello";
string_span<> span = move_wrapper<std::string>(std::move(str));
CHECK(span.length() == 5);
#endif
}
{
#ifdef CONFIRM_COMPILATION_ERRORS
use<char>(create<string>());
#endif
}
// move container
{
#ifdef CONFIRM_COMPILATION_ERRORS
std::vector<char> vec = { 'H', 'e', 'l', 'l', 'o' };
string_span<> span = std::move(vec);
CHECK(span.length() == 5);
#endif
}
{
#ifdef CONFIRM_COMPILATION_ERRORS
std::vector<char> vec = { 'H', 'e', 'l', 'l', 'o' };
string_span<> span = move_wrapper<std::vector<char>>(std::move(vec));
CHECK(span.length() == 5);
#endif
}
{
#ifdef CONFIRM_COMPILATION_ERRORS
use<char>(create<std::vector<char>>());
#endif
}
}
TEST(Conversion)
{
#ifdef CONFIRM_COMPILATION_ERRORS
cstring_span<> span = "Hello";
cwstring_span<> wspan{ span };
CHECK(wspan.length() == 5);
#endif
}
czstring_span<> CreateTempName(string_span<> span)
{
Expects(span.size() > 1);
int last = 0;
if (span.size() > 4)
{
span[0] = 't';
span[1] = 'm';
span[2] = 'p';
last = 3;
}
span[last] = '\0';
auto ret = span.subspan(0, 4);
return{ ret };
}
TEST(zstring)
{
// create zspan from zero terminated string
{
char buf[1];
buf[0] = '\0';
zstring_span<> zspan({ buf, 1 });
CHECK(strlen(zspan.assume_z()) == 0);
CHECK(zspan.as_string_span().size() == 0);
CHECK(zspan.ensure_z().size() == 0);
}
// create zspan from non-zero terminated string
{
char buf[1];
buf[0] = 'a';
auto workaround_macro = [&]() { zstring_span<> zspan({ buf, 1 }); };
CHECK_THROW(workaround_macro(), fail_fast);
}
// usage scenario: create zero-terminated temp file name and pass to a legacy API
{
char buf[10];
auto name = CreateTempName({ buf, 10 });
if (!name.empty())
{
czstring<> str = name.assume_z();
CHECK(strlen(str) == 3);
CHECK(*(str+3) == '\0');
}
}
}
cwzstring_span<> CreateTempNameW(wstring_span<> span)
{
Expects(span.size() > 1);
int last = 0;
if (span.size() > 4)
{
span[0] = L't';
span[1] = L'm';
span[2] = L'p';
last = 3;
}
span[last] = L'\0';
auto ret = span.subspan(0, 4);
return{ ret };
}
TEST(wzstring)
{
// create zspan from zero terminated string
{
wchar_t buf[1];
buf[0] = L'\0';
wzstring_span<> zspan({ buf, 1 });
CHECK(wcsnlen(zspan.assume_z(), 1) == 0);
CHECK(zspan.as_string_span().size() == 0);
CHECK(zspan.ensure_z().size() == 0);
}
// create zspan from non-zero terminated string
{
wchar_t buf[1];
buf[0] = L'a';
auto workaround_macro = [&]() { wzstring_span<> zspan({ buf, 1 }); };
CHECK_THROW(workaround_macro(), fail_fast);
}
// usage scenario: create zero-terminated temp file name and pass to a legacy API
{
wchar_t buf[10];
auto name = CreateTempNameW({ buf, 10 });
if (!name.empty())
{
cwzstring<> str = name.assume_z();
CHECK(wcsnlen(str, 10) == 3);
CHECK(*(str + 3) == L'\0');
}
}
}
TEST(Issue305)
{
std::map<gsl::cstring_span<>, int> foo = { { "foo", 0 },{ "bar", 1 } };
CHECK(foo["foo"] == 0);
CHECK(foo["bar"] == 1);
}
}
int main(int, const char *[])
{
return UnitTest::RunAllTests();
}