/*************************************************************************** * * 21.string.assign.cpp - test exercising [lib.string.assign] * * $Id$ * *************************************************************************** * * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed * with this work for additional information regarding copyright * ownership. The ASF licenses this file to you under the Apache * License, Version 2.0 (the "License"); you may not use this file * except in compliance with the License. You may obtain a copy of * the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or * implied. See the License for the specific language governing * permissions and limitations under the License. * **************************************************************************/ #include // for string #include // for size_t #include // for out_of_range, length_error #include // for StringMembers #include // for InputIter #include // for rw_test() #include // for UserAlloc #include // for rw_expand() #include // for bad_alloc, replacement operator new /**************************************************************************/ // for convenience and brevity #define Assign(sig) StringIds::assign_ ## sig static const char* const exceptions[] = { "unknown exception", "out_of_range", "length_error", "bad_alloc", "exception" }; /**************************************************************************/ // used to exercise: // assign (const value_type*) static const StringTestCase cptr_test_cases [] = { #undef TEST #define TEST(str, arg, res, bthrow) { \ __LINE__, -1, -1, -1, -1, -1, \ str, sizeof str - 1, \ arg, sizeof arg - 1, res, sizeof res - 1, bthrow \ } // +------------------------------------------ controlled sequence // | +------------------------ sequence to be assigned // | | +---------- expected result sequence // | | | +- exception info // | | | | 0 - no exception // | | | | 1 - out_of_range // | | | | 2 - length_error // | | | | -1 - exc. safety // | | | | // | | | +-------+ // V V V V TEST ("ab", "c", "c", 0), TEST ("", "", "", 0), TEST ("", "", "", 0), TEST ("", "abc", "abc", 0), TEST ("abc", "", "", 0), TEST ("", "", "", 0), TEST ("", "a", "a", 0), TEST ("", "@2", "", 0), TEST ("@2ab", "cdefghij", "cdefghij", 0), TEST ("a@2b", "cdefghij", "cdefghij", 0), TEST ("ab@2", "cdefghij", "cdefghij", 0), TEST ("ab@2c", "e", "e", 0), TEST ("ab@2c", "e", "e", 0), TEST ("", "x@4096", "x@4096", 0), TEST ("x@4096", "", "", 0), TEST ("a@4096", "b@4096", "b@4096", 0), TEST ("", "x@207", "x@207", 0), TEST ("x@128", "x@207", "x@207", 0), TEST ("x@540", "x@207", "x@207", 0), TEST ("", "x@1412", "x@1412", 0), TEST ("x@128", "x@1412", "x@1412", 0), TEST ("x@3695", "x@1412", "x@1412", 0), TEST ("x@872", "x@873", "x@873", 0), TEST ("x@873", "x@3695", "x@3695", 0), TEST ("", 0, "", 0), TEST ("abc", 0, "abc", 0), TEST ("a@2bc", 0, "a", 0), TEST ("@2abc", 0, "", 0), TEST ("abc@2", 0, "abc", 0), TEST ("x@4096", 0, "x@4096", 0), TEST ("last", "test", "test", 0) }; /**************************************************************************/ // used to exercise: // assign (const basic_string&) static const StringTestCase cstr_test_cases [] = { #undef TEST #define TEST(s, arg, res, bthrow) { \ __LINE__, -1, -1, -1, -1, -1, \ s, sizeof s - 1, \ arg, sizeof arg - 1, res, sizeof res - 1, bthrow \ } // +------------------------------------------ controlled sequence // | +------------------------ sequence to be assigned // | | +---------- expected result sequence // | | | +- exception info: // | | | | 0 - no exception // | | | | 1 - out_of_range // | | | | 2 - length_error // | | | | -1 - exc. safety // | | | | // | | | +-----+ // | | | | // V V V V TEST ("ab", "c", "c", 0), TEST ("", "", "", 0), TEST ("", "", "", 0), TEST ("", "abc", "abc", 0), TEST ("abc", "", "", 0), TEST ("", "", "", 0), TEST ("", "a", "a", 0), TEST ("", "@2", "@2", 0), TEST ("ab", "ce", "ce", 0), TEST ("@2ab", "cdefghij", "cdefghij", 0), TEST ("a@2b", "cdefghij", "cdefghij", 0), TEST ("ab@2", "cdefghij", "cdefghij", 0), TEST ("ab@2c", "e", "e", 0), TEST ("ab@2c", "e", "e", 0), TEST ("ab@2c", "e", "e", 0), TEST ("e", "ab@2c", "ab@2c", 0), TEST ("e@2", "ab@2c", "ab@2c", 0), TEST ("e", "ab@2c", "ab@2c", 0), TEST ("", "x@4096", "x@4096", 0), TEST ("x@4096", "", "", 0), TEST ("a@4096", "b@4096", "b@4096", 0), TEST ("", "x@207", "x@207", 0), TEST ("x@128", "x@207", "x@207", 0), TEST ("x@540", "x@207", "x@207", 0), TEST ("", "x@1412", "x@1412", 0), TEST ("x@128", "x@1412", "x@1412", 0), TEST ("x@3695", "x@1412", "x@1412", 0), TEST ("x@872", "x@873", "x@873", 0), TEST ("x@873", "x@3695", "x@3695", 0), TEST ("", 0, "", 0), TEST ("abc", 0, "abc", 0), TEST ("a@2bc", 0, "a@2bc", 0), TEST ("@2abc", 0, "@2abc", 0), TEST ("abc@2", 0, "abc@2", 0), TEST ("x@4096", 0, "x@4096", 0), TEST ("last", "test", "test", 0) }; /**************************************************************************/ // used to exercise: // assign (const value_type*, size_type) static const StringTestCase cptr_size_test_cases [] = { #undef TEST #define TEST(str, arg, size, res, bthrow) { \ __LINE__, -1, size, -1, -1, -1, \ str, sizeof str - 1, \ arg, sizeof arg - 1, res, sizeof res - 1, bthrow \ } // +------------------------------------------ controlled sequence // | +------------------------- sequence to be assigned // | | +------------ assign() n argument // | | | +-------- expected result sequence // | | | | +-- exception info // | | | | | 0 - no exception // | | | | | 1 - out_of_range // | | | | | 2 - length_error // | | | | | -1 - exc. safety // | | | | | // | | | | +----------+ // V V V V V TEST ("ab", "c", 1, "c", 0), TEST ("", "", 0, "", 0), TEST ("", "abc", 1, "a", 0), TEST ("", "", 1, "", 0), TEST ("", "", 0, "", 0), TEST ("", "a", 0, "", 0), TEST ("", "a", 1, "a", 0), TEST ("", "@2", 1, "", 0), TEST ("", "@2", 2, "@2", 0), TEST ("cde", "ab", 2, "ab", 0), TEST ("cde", "ab", 1, "a", 0), TEST ("e", "ab@2c", 0, "", 0), TEST ("e", "ab@2c", 3, "ab", 0), TEST ("e", "ab@2c", 6, "ab@2c", 0), TEST ("ab@2c", "e", 3, "e", 0), TEST ("ab@2c", "@2e", 2, "@2", 0), TEST ("ab@2c", "e", 1, "", 0), TEST ("abc@2", "e", 2, "e", 0), TEST ("", 0, 0, "", 0), TEST ("abc", 0, 0, "", 0), TEST ("abc", 0, 1, "a", 0), TEST ("abc", 0, 2, "ab", 0), TEST ("abc", 0, 2, "a", 0), TEST ("abc@2", 0, 1, "", 0), TEST ("abc@2", 0, 3, "ab", 0), TEST ("abc@2", 0, 6, "abc@2", 0), TEST ("x@4096", 0, 2048, "x@2048", 0), TEST ("", "x@4096", 4096, "x@4096", 0), TEST ("abcd", "x@4096", 0, "", 0), TEST ("x@4096", "x@4096", 0, "", 0), TEST ("x@4096", "x@4096", 1, "x", 0), TEST ("x@4096", "", 0, "", 0), TEST ("a@4096", "b@4096", 2048, "b@2048", 0), TEST ("", "x@207", 207, "x@207", 0), TEST ("x@128", "x@334", 207, "x@207", 0), TEST ("x@540", "x@207", 128, "x@128", 0), TEST ("", "x@1412", 873, "x@873", 0), TEST ("x@128", "x@1412", 1412, "x@1412", 0), TEST ("x@3695", "x@1412", 540, "x@540", 0), TEST ("x@872", "x@873", 873, "x@873", 0), TEST ("x@873", "x@3695", 2284, "x@2284", 0), TEST ("", "", -1, "", 2), TEST ("last", "test", 4, "test", 0) }; /**************************************************************************/ // used to exercise: // assign (const basic_string&, size_type, size_type) // assign (InputIterator, InputIterator) static const StringTestCase range_test_cases [] = { // range_test_cases serves a double duty #define cstr_size_size_test_cases range_test_cases #undef TEST #define TEST(str, arg, off, size, res, bthrow) { \ __LINE__, -1, -1, off, size, -1, \ str, sizeof str - 1, \ arg, sizeof arg - 1, res, sizeof res - 1, bthrow \ } // +------------------------------------------ controlled sequence // | +------------------------- sequence to be inserted // | | +------------ assign() pos argument // | | | +--------- assign() n argument // | | | | +------ expected result sequence // | | | | | +--- exception info // | | | | | | 0 - no exception // | | | | | | 1 - out_of_range // | | | | | | 2 - length_error // | | | | | | -1 - exc. safety // | | | | | | // | | | | | +---------------+ // V V V V V V TEST ("ab", "c", 0, 1, "c", 0), TEST ("", "", 0, 0, "", 0), TEST ("", "abc", 1, 1, "b", 0), TEST ("", "", 0, 1, "", 0), TEST ("", "", 0, 0, "", 0), TEST ("abc", "", 0, 0, "", 0), TEST ("", "a", 0, 1, "a", 0), TEST ("", "@2", 1, 1, "", 0), TEST ("", "@2", 0, 2, "@2", 0), TEST ("", "@2", 1, 5, "", 0), TEST ("cde", "ab", 0, 2, "ab", 0), TEST ("cde", "ab", 0, 1, "a", 0), TEST ("cde", "ab", 1, 5, "b", 0), TEST ("ab", "ce", 0, 3, "ce", 0), TEST ("ab", "ce", 1, 2, "e", 0), TEST ("ab", "ce", 0, 2, "c", 0), TEST ("e", "ab@2c", 0, 9, "ab@2c", 0), TEST ("e", "ab@2c", 0, 3, "ab", 0), TEST ("ab@2c", "e", 0, 3, "e", 0), TEST ("ab@2c", "@2e", 0, 2, "@2", 0), TEST ("ab@2c", "e", 2, 1, "", 0), TEST ("ab@2c", "e", 2, 9, "", 0), TEST ("abc@2", "e", 0, 2, "e", 0), TEST ("", 0, 0, 0, "", 0), TEST ("abc", 0, 1, 0, "", 0), TEST ("abc", 0, 1, 1, "b", 0), TEST ("abc", 0, 0, 2, "ab", 0), TEST ("abc@2", 0, 4, 2, "@2", 0), TEST ("abc@2", 0, 1, 3, "bc", 0), TEST ("abc@2", 0, 0, 9, "abc@2", 0), TEST ("abcdef", 0, 1, 2, "bc", 0), TEST ("x@4096", 0, 1, 2, "xx", 0), TEST ("x@4096", "", 0, 0, "", 0), TEST ("", "x@4096", 9, 2, "xx", 0), TEST ("", "x@4096", 9, 0, "", 0), TEST ("abc", "x@4096", 2, 1, "x", 0), TEST ("x@4096", "x@4096", 2, 3, "xxx", 0), TEST ("", "x@4096", 0, 4096, "x@4096", 0), TEST ("", "x@4096", 100, 2000, "x@2000", 0), TEST ("", "x@207", 0, 207, "x@207", 0), TEST ("x@128", "x@334", 10, 207, "x@207", 0), TEST ("x@540", "x@207", 50, 128, "x@128", 0), TEST ("", "x@1412", 128, 873, "x@873", 0), TEST ("x@128", "x@1412", 0, 1412, "x@1412", 0), TEST ("x@3695", "x@1412", 207, 540, "x@540", 0), TEST ("x@872", "x@874", 1, 873, "x@873", 0), TEST ("x@873", "x@3695", 10, 2284, "x@2284", 0), TEST ("", "", 2, 0, "", 1), TEST ("", "a", 2, 0, "", 1), TEST ("", "x@4096", 4106, 0, "", 1), TEST ("last", "test", 0, 4, "test", 0) }; /**************************************************************************/ // used to exercise: // assign (size_type, value_type) static const StringTestCase size_val_test_cases [] = { #undef TEST #define TEST(str, size, val, res, bthrow) { \ __LINE__, -1, size, -1, -1, val, \ str, sizeof str - 1, \ 0, 0, res, sizeof res - 1, bthrow \ } // +----------------------------------------- controlled sequence // | +------------------------ assign() count argument // | | +-------------------- character to be assigned // | | | +---------------- expected result sequence // | | | | +-------- exception info // | | | | | 0 - no exception // | | | | | 1 - out_of_range // | | | | | 2 - length_error // | | | | | -1 - exc. safety // | | | | | // | | | | +--------+ // V V V V V TEST ("ab", 1, 'c', "c", 0), TEST ("", 0, ' ', "", 0), TEST ("", 1, 'b', "b", 0), TEST ("", 3, 'b', "bbb", 0), TEST ("", 0, ' ', "", 0), TEST ("", 2, '\0', "@2", 0), TEST ("", 1, 'a', "a", 0), TEST ("", 1, '\0', "", 0), TEST ("", 2, '\0', "@2", 0), TEST ("", 0, '\0', "", 0), TEST ("cde", 3, 'a', "aaa", 0), TEST ("ab", 2, '\0', "@2", 0), TEST ("ab", 1, '\0', "", 0), TEST ("ab@2c", 2, '\0', "@2", 0), TEST ("ab@2c", 1, '\0', "", 0), TEST ("ab@2c", 3, '\0', "@3", 0), TEST ("abc@2", 2, 'a', "aa", 0), TEST ("", 4096, 'x', "x@4096", 0), TEST ("x@4096", 0, 'x', "", 0), TEST ("x@127", 128, 'x', "x@128", 0), TEST ("x@200", 207, 'x', "x@207", 0), TEST ("x@334", 128, 'x', "x@128", 0), TEST ("", 540, 'x', "x@540", 0), TEST ("xx", 873, 'x', "x@873", 0), TEST ("x@873", 1412, 'x', "x@1412", 0), TEST ("x@3695", 207, 'x', "x@207", 0), TEST ("x@540", 3695, 'x', "x@3695", 0), TEST ("", -1, 'x', "", 2), TEST ("last", 4, 't', "tttt", 0) }; /**************************************************************************/ // invokes specializations of the member function template // on the required iterator categories template struct AssignRange: RangeBase { typedef typename String::iterator StringIter; typedef typename String::value_type StringChar; AssignRange () { } virtual String& operator() (String &str, const StringTestCaseData& tdata) const { const StringTestCase &tcase = tdata.tcase_; const String &cstr = str; // when (0 == tcase.arg) exercise self-referential modification // (i.e., replacing a range of elements with a subrange of its // own elements) const StringChar* const beg = (tcase.arg ? tdata.arg_ : cstr.data ()) + tdata.off2_; const StringChar* const end = beg + tdata.ext2_; const Iterator first (beg, beg, end); const Iterator last (end, beg, end); return str.assign (first, last); } }; /**************************************************************************/ // invokes possible overloads of the member function template // on common RandomAccessIterator types template struct AssignRangeOverload: RangeBase { typedef typename String::iterator StringIter; typedef typename String::value_type StringChar; AssignRangeOverload () { } virtual String& operator() (String &str, const StringTestCaseData& tdata) const { const StringTestCase &tcase = tdata.tcase_; bool reverse_iter = StringIds::ReverseIterator == tdata.func_.iter_id_ || StringIds::ConstReverseIterator == tdata.func_.iter_id_; const std::size_t srclen_ = tcase.arg ? tdata.arglen_ : str.size (); const std::size_t off = reverse_iter ? srclen_ - tdata.off2_ - tdata.ext2_ : tdata.off2_; const std::size_t ext = tdata.ext2_; if (0 == tcase.arg) { // exercise self-referential modification (i.e., replacing // a range of elements with a subrange of its own elements) const Iterator first (this->begin (str, (Iterator*)0) + off); const Iterator last (first + ext); return str.assign (first, last); } String str_arg (tdata.arg_, tdata.arglen_); const Iterator first (this->begin (str_arg, (Iterator*)0) + off); const Iterator last (first + ext); return str.assign (first, last); } }; /**************************************************************************/ template void test_assign (charT*, Traits*, Allocator*, const RangeBase< std::basic_string > &rng, const StringTestCaseData &tdata) { typedef std::basic_string String; typedef typename String::iterator StringIter; typedef typename UserTraits::MemFun TraitsFunc; const StringFunc &func = tdata.func_; const StringTestCase &tcase = tdata.tcase_; // construct the string object to be modified // and the (possibly unused) argument string /* const */ String str (tdata.str_, tdata.strlen_); const String arg (tdata.arg_, tdata.arglen_); std::size_t size = tcase.size >= 0 ? tcase.size : str.max_size () + 1; std::size_t size2 = tcase.size2 >= 0 ? tcase.size2 : str.max_size () + 1; // save the state of the string object before the call // to detect wxception safety violations (changes to // the state of the object after an exception) const StringState str_state (rw_get_string_state (str)); // first function argument const charT* const arg_ptr = tcase.arg ? arg.c_str () : str.c_str (); const String& arg_str = tcase.arg ? arg : str; std::size_t total_length_calls = 0; std::size_t n_length_calls = 0; std::size_t* const rg_calls = rw_get_call_counters ((Traits*)0, (charT*)0); if (rg_calls) total_length_calls = rg_calls [TraitsFunc::length]; rwt_free_store* const pst = rwt_get_free_store (0); SharedAlloc* const pal = SharedAlloc::instance (); // iterate for`throw_after' starting at the next call to operator new, // forcing each call to throw an exception, until the function finally // succeeds (i.e, no exception is thrown) std::size_t throw_count; for (throw_count = 0; ; ++throw_count) { // (name of) expected and caught exception const char* expected = 0; const char* caught = 0; #ifndef _RWSTD_NO_EXCEPTIONS if (1 == tcase.bthrow && Assign (cstr_size_size) == func.which_) expected = exceptions [1]; // out_of_range else if (2 == tcase.bthrow) expected = exceptions [2]; // length_error else if (0 == tcase.bthrow) { // by default excercise the exception safety of the function // by iteratively inducing an exception at each call to operator // new or Allocator::allocate() until the call succeeds expected = exceptions [3]; // bad_alloc *pst->throw_at_calls_ [0] = pst->new_calls_ [0] + throw_count + 1; pal->throw_at_calls_ [pal->m_allocate] = pal->throw_at_calls_ [pal->m_allocate] + throw_count + 1; } else { // exceptions disabled for this test case } #else // if defined (_RWSTD_NO_EXCEPTIONS) if (tcase.bthrow) return; #endif // _RWSTD_NO_EXCEPTIONS // pointer to the returned reference const String* ret_ptr = 0; // start checking for memory leaks rw_check_leaks (str.get_allocator ()); try { switch (func.which_) { case Assign (cptr): ret_ptr = &str.assign (arg_ptr); if (rg_calls) n_length_calls = rg_calls [TraitsFunc::length]; break; case Assign (cstr): ret_ptr = &str.assign (arg_str); break; case Assign (cptr_size): ret_ptr = &str.assign (arg_ptr, size); break; case Assign (cstr_size_size): ret_ptr = &str.assign (arg_str, tcase.off2, size2); break; case Assign (size_val): { const charT val = make_char (char (tcase.val), (charT*)0); ret_ptr = &str.assign (size, val); break; } case Assign (range): ret_ptr = &rng (str, tdata); break; default: RW_ASSERT (!"test logic error: unknown assign overload"); } // verify that the reference returned from the function // refers to the modified string object (i.e., *this // within the function) const std::ptrdiff_t ret_off = ret_ptr - &str; // verify the returned value rw_assert (0 == ret_off, 0, tcase.line, "line %d. %{$FUNCALL} returned invalid reference, " "offset is %td", __LINE__, ret_off); // for convenience static const int cwidth = sizeof (charT); // verfiy that strings length are equal rw_assert (tdata.reslen_ == str.size (), 0, tcase.line, "line %d. %{$FUNCALL}: expected %{/*.*Gs} with length " "%zu, got %{/*.*Gs} with length %zu", __LINE__, cwidth, int (tdata.reslen_), tdata.res_, tdata.reslen_, cwidth, int (str.size ()), str.c_str (), str.size ()); if (tdata.reslen_ == str.size ()) { // if the result length matches the expected length // (and only then), also verify that the modified // string matches the expected result const std::size_t match = rw_match (tcase.res, str.c_str(), str.size ()); rw_assert (match == tdata.reslen_, 0, tcase.line, "line %d. %{$FUNCALL}: expected %{/*.*Gs}, " "got %{/*.*Gs}, difference at off %zu", __LINE__, cwidth, int (tdata.reslen_), tdata.res_, cwidth, int (str.size ()), str.c_str (), match); } // verify that Traits::length was used if (Assign (cptr) == func.which_ && rg_calls) { rw_assert (n_length_calls - total_length_calls > 0, 0, tcase.line, "line %d. %{$FUNCALL} doesn't " "use traits::length()", __LINE__); } } #ifndef _RWSTD_NO_EXCEPTIONS catch (const std::out_of_range &ex) { caught = exceptions [1]; rw_assert (caught == expected, 0, tcase.line, "line %d. %{$FUNCALL} %{?}expected %s,%{:}" "unexpectedly%{;} caught std::%s(%#s)", __LINE__, 0 != expected, expected, caught, ex.what ()); } catch (const std::length_error &ex) { caught = exceptions [2]; rw_assert (caught == expected, 0, tcase.line, "line %d. %{$FUNCALL} %{?}expected %s,%{:}" "unexpectedly%{;} caught std::%s(%#s)", __LINE__, 0 != expected, expected, caught, ex.what ()); } catch (const std::bad_alloc &ex) { caught = exceptions [3]; rw_assert (0 == tcase.bthrow, 0, tcase.line, "line %d. %{$FUNCALL} %{?}expected %s,%{:}" "unexpectedly%{;} caught std::%s(%#s)", __LINE__, 0 != expected, expected, caught, ex.what ()); } catch (const std::exception &ex) { caught = exceptions [4]; rw_assert (0, 0, tcase.line, "line %d. %{$FUNCALL} %{?}expected %s,%{:}" "unexpectedly%{;} caught std::%s(%#s)", __LINE__, 0 != expected, expected, caught, ex.what ()); } catch (...) { caught = exceptions [0]; rw_assert (0, 0, tcase.line, "line %d. %{$FUNCALL} %{?}expected %s,%{:}" "unexpectedly%{;} caught %s", __LINE__, 0 != expected, expected, caught); } #endif // _RWSTD_NO_EXCEPTIONS // FIXME: verify the number of blocks the function call // is expected to allocate and detect any memory leaks rw_check_leaks (str.get_allocator (), tcase.line, std::size_t (-1), std::size_t (-1)); if (caught) { // verify that an exception thrown during allocation // didn't cause a change in the state of the object str_state.assert_equal (rw_get_string_state (str), __LINE__, tcase.line, caught); if (0 == tcase.bthrow) { // allow this call to operator new to succeed and try // to make the next one to fail during the next call // to the same function again continue; } } else if (0 < tcase.bthrow) { rw_assert (caught == expected, 0, tcase.line, "line %d. %{$FUNCALL} %{?}expected %s, caught %s" "%{:}unexpectedly caught %s%{;}", __LINE__, 0 != expected, expected, caught, caught); } break; } std::size_t expect_throws = 0; #ifndef _RWSTD_NO_STRING_REF_COUNT if (Assign (cstr) != func.which_) { #endif #ifndef _RWSTD_NO_REPLACEABLE_NEW_DELETE // verify that if exceptions are enabled and when capacity changes // at least one exception is thrown expect_throws = str_state.capacity_ < str.capacity (); #else // if defined (_RWSTD_NO_REPLACEABLE_NEW_DELETE) expect_throws = (StringIds::UserAlloc == func.alloc_id_) ? str_state.capacity_ < str.capacity (): 0; #endif // _RWSTD_NO_REPLACEABLE_NEW_DELETE #ifndef _RWSTD_NO_STRING_REF_COUNT } #endif // verify number of exceptions thrown // for range version the allocation may take place several times if (Assign (range) != func.which_) rw_assert (expect_throws == throw_count, 0, tcase.line, "line %d: %{$FUNCALL}: expected exactly 1 %s exception " "while changing capacity from %zu to %zu, got %zu", __LINE__, exceptions [3], str_state.capacity_, str.capacity (), throw_count); else rw_assert (expect_throws <= throw_count, 0, tcase.line, "line %d: %{$FUNCALL}: expected at least 1 %s exception " "while changing capacity from %zu to %zu, got %zu", __LINE__, exceptions [3], str_state.capacity_, str.capacity (), throw_count); // disable bad_alloc exceptions *pst->throw_at_calls_ [0] = 0; pal->throw_at_calls_ [pal->m_allocate] = 0; } /**************************************************************************/ template void test_assign (charT*, Traits*, Allocator*, const StringTestCaseData &tdata) { typedef std::basic_string String; if (tdata.func_.which_ == Assign (range)) { switch (tdata.func_.iter_id_) { // exercise possible overloads of the member function template // on common RandomAccessIterator types #undef TEST #define TEST(Iterator) do { \ typedef typename String::Iterator Iter; \ static const \ AssignRangeOverload rng; \ test_assign ((charT*)0, (Traits*)0, (Allocator*)0, rng, tdata); \ } while (0) case StringIds::Pointer: TEST (pointer); break; case StringIds::ConstPointer: TEST (const_pointer); break; case StringIds::Iterator: TEST (iterator); break; case StringIds::ConstIterator: TEST (const_iterator); break; case StringIds::ReverseIterator: TEST (reverse_iterator); break; case StringIds::ConstReverseIterator: TEST (const_reverse_iterator); break; // exercise specializations of the member function template // on the required iterator categories #undef TEST #define TEST(Iterator) do { \ typedef Iterator Iter; \ static const \ AssignRange rng; \ test_assign ((charT*)0, (Traits*)0, (Allocator*)0, rng, tdata); \ } while (0) case StringIds::Input: TEST (InputIter); break; case StringIds::Forward: TEST (ConstFwdIter); break; case StringIds::Bidir: TEST (ConstBidirIter); break; case StringIds::Random: TEST (ConstRandomAccessIter); break; default: rw_error (0, 0, __LINE__, "bad iterator id"); } } else { // exercise ordinary overloads of the member function static const RangeBase rng; test_assign ((charT*)0, (Traits*)0, (Allocator*)0, rng, tdata); } } /**************************************************************************/ DEFINE_STRING_TEST_FUNCTIONS (test_assign); int main (int argc, char** argv) { static const StringTest tests [] = { #undef TEST #define TEST(sig) { \ Assign (sig), sig ## _test_cases, \ sizeof sig ## _test_cases / sizeof *sig ## _test_cases \ } TEST (cptr), TEST (cstr), TEST (cptr_size), TEST (cstr_size_size), TEST (size_val), TEST (range) }; const std::size_t test_count = sizeof tests / sizeof *tests; const int status = rw_run_string_test (argc, argv, __FILE__, "lib.string.assign", test_assign_func_array, tests, test_count); return status; }