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Implement P0392r0. Integrate filesystem::path and string_view.

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@276511 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Fiselier
2016-07-23 03:10:56 +00:00
parent bdbae4cbad
commit 2645dbe87f
9 changed files with 211 additions and 70 deletions
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53
test/std/experimental/filesystem/class.path/path.member/path.concat.pass.cpp
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@@ -14,8 +14,9 @@
// class path
// path& operator+=(const path& x);
// path& operator+=(const string_type& x); // Implemented as Source template
// path& operator+=(const value_type* x); // Implemented as Source template
// path& operator+=(const string_type& x);
// path& operator+=(string_view x);
// path& operator+=(const value_type* x);
// path& operator+=(value_type x);
// template <class Source>
// path& operator+=(const Source& x);
@@ -29,6 +30,8 @@
#include <experimental/filesystem>
#include <type_traits>
#include <string>
#include <string_view>
#include <cassert>
#include "test_macros.h"
@@ -82,6 +85,7 @@ void doConcatSourceAllocTest(ConcatOperatorTestcase const& TC)
using namespace fs;
using Ptr = CharT const*;
using Str = std::basic_string<CharT>;
using StrView = std::basic_string_view<CharT>;
using InputIter = input_iterator<Ptr>;
const Ptr L = TC.lhs;
@@ -98,6 +102,16 @@ void doConcatSourceAllocTest(ConcatOperatorTestcase const& TC)
}
assert(LHS == E);
}
// basic_string_view
{
path LHS(L); PathReserve(LHS, ReserveSize);
StrView RHS(R);
{
DisableAllocationGuard g;
LHS += RHS;
}
assert(LHS == E);
}
// CharT*
{
path LHS(L); PathReserve(LHS, ReserveSize);
@@ -152,6 +166,7 @@ void doConcatSourceTest(ConcatOperatorTestcase const& TC)
using namespace fs;
using Ptr = CharT const*;
using Str = std::basic_string<CharT>;
using StrView = std::basic_string_view<CharT>;
using InputIter = input_iterator<Ptr>;
const Ptr L = TC.lhs;
const Ptr R = TC.rhs;
@@ -171,6 +186,21 @@ void doConcatSourceTest(ConcatOperatorTestcase const& TC)
assert(LHS == E);
assert(&Ref == &LHS);
}
// basic_string_view
{
path LHS(L);
StrView RHS(R);
path& Ref = (LHS += RHS);
assert(LHS == E);
assert(&Ref == &LHS);
}
{
path LHS(L);
StrView RHS(R);
path& Ref = LHS.concat(RHS);
assert(LHS == E);
assert(&Ref == &LHS);
}
// Char*
{
path LHS(L);
@@ -246,6 +276,13 @@ int main()
assert(LHS == (const char*)TC.expect);
assert(&Ref == &LHS);
}
{
path LHS((const char*)TC.lhs);
std::string_view RHS((const char*)TC.rhs);
path& Ref = (LHS += RHS);
assert(LHS == (const char*)TC.expect);
assert(&Ref == &LHS);
}
doConcatSourceTest<char> (TC);
doConcatSourceTest<wchar_t> (TC);
doConcatSourceTest<char16_t>(TC);
@@ -265,6 +302,18 @@ int main()
}
assert(LHS == E);
}
{
path LHS((const char*)TC.lhs);
std::string_view RHS((const char*)TC.rhs);
const char* E = TC.expect;
PathReserve(LHS, StrLen(E) + 5);
{
DisableAllocationGuard g;
path& Ref = (LHS += RHS);
assert(&Ref == &LHS);
}
assert(LHS == E);
}
doConcatSourceAllocTest<char>(TC);
doConcatSourceAllocTest<wchar_t>(TC);
}