diff options
Diffstat (limited to 'libcxx/test/strings/basic.string/string.modifiers/string_replace')
| -rw-r--r-- | libcxx/test/strings/basic.string/string.modifiers/string_replace/size_size_string_size_size.pass.cpp | 49 |
1 files changed, 48 insertions, 1 deletions
diff --git a/libcxx/test/strings/basic.string/string.modifiers/string_replace/size_size_string_size_size.pass.cpp b/libcxx/test/strings/basic.string/string.modifiers/string_replace/size_size_string_size_size.pass.cpp index 25e5c4433cc..ef0de8975ed 100644 --- a/libcxx/test/strings/basic.string/string.modifiers/string_replace/size_size_string_size_size.pass.cpp +++ b/libcxx/test/strings/basic.string/string.modifiers/string_replace/size_size_string_size_size.pass.cpp @@ -11,7 +11,8 @@ // basic_string<charT,traits,Allocator>& // replace(size_type pos1, size_type n1, const basic_string<charT,traits,Allocator>& str, -// size_type pos2, size_type n2); +// size_type pos2, size_type n2=npos); +// the "=npos" was added in C++14 #include <string> #include <stdexcept> @@ -46,6 +47,32 @@ test(S s, typename S::size_type pos1, typename S::size_type n1, } template <class S> +void +test_npos(S s, typename S::size_type pos1, typename S::size_type n1, + S str, typename S::size_type pos2, + S expected) +{ + typename S::size_type old_size = s.size(); + S s0 = s; + try + { + s.replace(pos1, n1, str, pos2); + assert(s.__invariants()); + assert(pos1 <= old_size && pos2 <= str.size()); + assert(s == expected); + typename S::size_type xlen = std::min(n1, old_size - pos1); + typename S::size_type rlen = std::min(S::npos, str.size() - pos2); + assert(s.size() == old_size - xlen + rlen); + } + catch (std::out_of_range&) + { + assert(pos1 > old_size || pos2 > str.size()); + assert(s == s0); + } +} + + +template <class S> void test0() { test(S(""), 0, 0, S(""), 0, 0, S("")); @@ -5796,6 +5823,24 @@ void test54() test(S("abcdefghijklmnopqrst"), 21, 0, S("12345678901234567890"), 21, 0, S("can't happen")); } +template <class S> +void test55() +{ + test_npos(S("abcdefghij"), 9, 1, S("12345678901234567890"), 10, S("abcdefghi1234567890")); + test_npos(S("abcdefghij"), 9, 1, S("12345678901234567890"), 19, S("abcdefghi0")); + test_npos(S("abcdefghij"), 9, 1, S("12345678901234567890"), 20, S("abcdefghi")); + test_npos(S("abcdefghij"), 9, 1, S("12345678901234567890"), 20, S("abcdefghi")); + test_npos(S("abcdefghij"), 9, 1, S("12345678901234567890"), 21, S("can't happen")); + test_npos(S("abcdefghij"), 9, 2, S(""), 0, S("abcdefghi")); + test_npos(S("abcdefghij"), 9, 2, S(""), 1, S("can't happen")); + test_npos(S("abcdefghij"), 9, 2, S("12345"), 0, S("abcdefghi12345")); + test_npos(S("abcdefghij"), 9, 2, S("12345"), 1, S("abcdefghi2345")); + test_npos(S("abcdefghij"), 9, 2, S("12345"), 2, S("abcdefghi345")); + test_npos(S("abcdefghij"), 9, 2, S("12345"), 4, S("abcdefghi5")); + test_npos(S("abcdefghij"), 9, 2, S("12345"), 5, S("abcdefghi")); + test_npos(S("abcdefghij"), 9, 2, S("12345"), 6, S("can't happen")); +} + int main() { { @@ -5855,6 +5900,7 @@ int main() test52<S>(); test53<S>(); test54<S>(); + test55<S>(); } #if __cplusplus >= 201103L { @@ -5914,6 +5960,7 @@ int main() test52<S>(); test53<S>(); test54<S>(); + test55<S>(); } #endif } |
