| //===----------------------------------------------------------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is dual licensed under the MIT and the University of Illinois Open |
| // Source Licenses. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // <string> |
| |
| // template<class InputIterator> |
| // basic_string& assign(InputIterator first, InputIterator last); |
| |
| #include <string> |
| #include <cassert> |
| |
| #include "test_macros.h" |
| #include "test_iterators.h" |
| #include "min_allocator.h" |
| |
| template <class S, class It> |
| void |
| test(S s, It first, It last, S expected) |
| { |
| s.assign(first, last); |
| LIBCPP_ASSERT(s.__invariants()); |
| assert(s == expected); |
| } |
| |
| #ifndef TEST_HAS_NO_EXCEPTIONS |
| template <class S, class It> |
| void |
| test_exceptions(S s, It first, It last) |
| { |
| S aCopy = s; |
| try { |
| s.assign(first, last); |
| assert(false); |
| } |
| catch (...) {} |
| LIBCPP_ASSERT(s.__invariants()); |
| assert(s == aCopy); |
| } |
| #endif |
| |
| int main() |
| { |
| { |
| typedef std::string S; |
| const char* s = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"; |
| test(S(), s, s, S()); |
| test(S(), s, s+1, S("A")); |
| test(S(), s, s+10, S("ABCDEFGHIJ")); |
| test(S(), s, s+52, S("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz")); |
| |
| test(S("12345"), s, s, S()); |
| test(S("12345"), s, s+1, S("A")); |
| test(S("12345"), s, s+10, S("ABCDEFGHIJ")); |
| test(S("12345"), s, s+52, S("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz")); |
| |
| test(S("1234567890"), s, s, S()); |
| test(S("1234567890"), s, s+1, S("A")); |
| test(S("1234567890"), s, s+10, S("ABCDEFGHIJ")); |
| test(S("1234567890"), s, s+52, S("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz")); |
| |
| test(S("12345678901234567890"), s, s, S()); |
| test(S("12345678901234567890"), s, s+1, S("A")); |
| test(S("12345678901234567890"), s, s+10, S("ABCDEFGHIJ")); |
| test(S("12345678901234567890"), s, s+52, |
| S("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz")); |
| |
| test(S(), input_iterator<const char*>(s), input_iterator<const char*>(s), S()); |
| test(S(), input_iterator<const char*>(s), input_iterator<const char*>(s+1), S("A")); |
| test(S(), input_iterator<const char*>(s), input_iterator<const char*>(s+10), |
| S("ABCDEFGHIJ")); |
| test(S(), input_iterator<const char*>(s), input_iterator<const char*>(s+52), |
| S("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz")); |
| |
| test(S("12345"), input_iterator<const char*>(s), input_iterator<const char*>(s), |
| S()); |
| test(S("12345"), input_iterator<const char*>(s), input_iterator<const char*>(s+1), |
| S("A")); |
| test(S("12345"), input_iterator<const char*>(s), input_iterator<const char*>(s+10), |
| S("ABCDEFGHIJ")); |
| test(S("12345"), input_iterator<const char*>(s), input_iterator<const char*>(s+52), |
| S("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz")); |
| |
| test(S("1234567890"), input_iterator<const char*>(s), input_iterator<const char*>(s), |
| S()); |
| test(S("1234567890"), input_iterator<const char*>(s), input_iterator<const char*>(s+1), |
| S("A")); |
| test(S("1234567890"), input_iterator<const char*>(s), input_iterator<const char*>(s+10), |
| S("ABCDEFGHIJ")); |
| test(S("1234567890"), input_iterator<const char*>(s), input_iterator<const char*>(s+52), |
| S("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz")); |
| |
| test(S("12345678901234567890"), input_iterator<const char*>(s), input_iterator<const char*>(s), |
| S()); |
| test(S("12345678901234567890"), input_iterator<const char*>(s), input_iterator<const char*>(s+1), |
| S("A")); |
| test(S("12345678901234567890"), input_iterator<const char*>(s), input_iterator<const char*>(s+10), |
| S("ABCDEFGHIJ")); |
| test(S("12345678901234567890"), input_iterator<const char*>(s), input_iterator<const char*>(s+52), |
| S("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz")); |
| } |
| #if TEST_STD_VER >= 11 |
| { |
| typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S; |
| const char* s = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"; |
| test(S(), s, s, S()); |
| test(S(), s, s+1, S("A")); |
| test(S(), s, s+10, S("ABCDEFGHIJ")); |
| test(S(), s, s+52, S("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz")); |
| |
| test(S("12345"), s, s, S()); |
| test(S("12345"), s, s+1, S("A")); |
| test(S("12345"), s, s+10, S("ABCDEFGHIJ")); |
| test(S("12345"), s, s+52, S("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz")); |
| |
| test(S("1234567890"), s, s, S()); |
| test(S("1234567890"), s, s+1, S("A")); |
| test(S("1234567890"), s, s+10, S("ABCDEFGHIJ")); |
| test(S("1234567890"), s, s+52, S("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz")); |
| |
| test(S("12345678901234567890"), s, s, S()); |
| test(S("12345678901234567890"), s, s+1, S("A")); |
| test(S("12345678901234567890"), s, s+10, S("ABCDEFGHIJ")); |
| test(S("12345678901234567890"), s, s+52, |
| S("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz")); |
| |
| test(S(), input_iterator<const char*>(s), input_iterator<const char*>(s), S()); |
| test(S(), input_iterator<const char*>(s), input_iterator<const char*>(s+1), S("A")); |
| test(S(), input_iterator<const char*>(s), input_iterator<const char*>(s+10), |
| S("ABCDEFGHIJ")); |
| test(S(), input_iterator<const char*>(s), input_iterator<const char*>(s+52), |
| S("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz")); |
| |
| test(S("12345"), input_iterator<const char*>(s), input_iterator<const char*>(s), |
| S()); |
| test(S("12345"), input_iterator<const char*>(s), input_iterator<const char*>(s+1), |
| S("A")); |
| test(S("12345"), input_iterator<const char*>(s), input_iterator<const char*>(s+10), |
| S("ABCDEFGHIJ")); |
| test(S("12345"), input_iterator<const char*>(s), input_iterator<const char*>(s+52), |
| S("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz")); |
| |
| test(S("1234567890"), input_iterator<const char*>(s), input_iterator<const char*>(s), |
| S()); |
| test(S("1234567890"), input_iterator<const char*>(s), input_iterator<const char*>(s+1), |
| S("A")); |
| test(S("1234567890"), input_iterator<const char*>(s), input_iterator<const char*>(s+10), |
| S("ABCDEFGHIJ")); |
| test(S("1234567890"), input_iterator<const char*>(s), input_iterator<const char*>(s+52), |
| S("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz")); |
| |
| test(S("12345678901234567890"), input_iterator<const char*>(s), input_iterator<const char*>(s), |
| S()); |
| test(S("12345678901234567890"), input_iterator<const char*>(s), input_iterator<const char*>(s+1), |
| S("A")); |
| test(S("12345678901234567890"), input_iterator<const char*>(s), input_iterator<const char*>(s+10), |
| S("ABCDEFGHIJ")); |
| test(S("12345678901234567890"), input_iterator<const char*>(s), input_iterator<const char*>(s+52), |
| S("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz")); |
| } |
| #endif |
| #ifndef TEST_HAS_NO_EXCEPTIONS |
| { // test iterator operations that throw |
| typedef std::string S; |
| typedef ThrowingIterator<char> TIter; |
| typedef input_iterator<TIter> IIter; |
| const char* s = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"; |
| test_exceptions(S(), IIter(TIter(s, s+10, 4, TIter::TAIncrement)), IIter()); |
| test_exceptions(S(), IIter(TIter(s, s+10, 5, TIter::TADereference)), IIter()); |
| test_exceptions(S(), IIter(TIter(s, s+10, 6, TIter::TAComparison)), IIter()); |
| |
| test_exceptions(S(), TIter(s, s+10, 4, TIter::TAIncrement), TIter()); |
| test_exceptions(S(), TIter(s, s+10, 5, TIter::TADereference), TIter()); |
| test_exceptions(S(), TIter(s, s+10, 6, TIter::TAComparison), TIter()); |
| } |
| #endif |
| |
| { // test assigning to self |
| typedef std::string S; |
| S s_short = "123/"; |
| S s_long = "Lorem ipsum dolor sit amet, consectetur/"; |
| |
| s_short.assign(s_short.begin(), s_short.end()); |
| assert(s_short == "123/"); |
| s_short.assign(s_short.begin() + 2, s_short.end()); |
| assert(s_short == "3/"); |
| |
| s_long.assign(s_long.begin(), s_long.end()); |
| assert(s_long == "Lorem ipsum dolor sit amet, consectetur/"); |
| |
| s_long.assign(s_long.begin() + 30, s_long.end()); |
| assert(s_long == "nsectetur/"); |
| } |
| |
| { // test assigning a different type |
| typedef std::string S; |
| const uint8_t p[] = "ABCD"; |
| |
| S s; |
| s.assign(p, p + 4); |
| assert(s == "ABCD"); |
| } |
| } |