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Implement P0966 - string::reserve should not shrink

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@347789 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Marshall Clow
2018-11-28 18:18:34 +00:00
parent 087f065cb0
commit 7593e799d2
3 changed files with 13 additions and 4 deletions
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9
test/std/strings/basic.string/string.capacity/reserve.pass.cpp
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@@ -9,7 +9,9 @@
// <string>
// void reserve(size_type res_arg=0);
// Split into two calls for C++20
// void reserve();
// void reserve(size_type res_arg);
#include <string>
#include <stdexcept>
@@ -44,6 +46,9 @@ test(S s, typename S::size_type res_arg)
assert(s == s0);
assert(s.capacity() >= res_arg);
assert(s.capacity() >= s.size());
#if TEST_STD_VER > 17
assert(s.capacity() >= old_cap); // resize never shrinks as of P0966
#endif
}
#ifndef TEST_HAS_NO_EXCEPTIONS
else
@@ -90,6 +95,7 @@ int main()
test(s, 10);
test(s, 50);
test(s, 100);
test(s, 1000);
test(s, S::npos);
}
}
@@ -121,6 +127,7 @@ int main()
test(s, 10);
test(s, 50);
test(s, 100);
test(s, 1000);
test(s, S::npos);
}
}