| /*************************************************************************** |
| * |
| * 21.string.capacity.cpp - test exercising [lib.string.capacity] |
| * |
| * $Id$ |
| * |
| *************************************************************************** |
| * |
| * Copyright 2006 The Apache Software Foundation or its licensors, |
| * as applicable. |
| * |
| * Copyright 2006 Rogue Wave Software. |
| * |
| * Licensed 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 <string> // for string |
| #include <cstddef> // for ptrdiff_t, size_t |
| #include <stdexcept> // for out_of_range |
| |
| #include <21.strings.h> // for StringMembers |
| #include <driver.h> // for rw_test() |
| #include <rw_allocator.h> // for UserAlloc |
| #include <rw_char.h> // for rw_expand() |
| #include <rw_new.h> // for bad_alloc, replacement operator new |
| |
| /**************************************************************************/ |
| |
| // for convenience and brevity |
| #define Size(sig) StringIds::size_ ## sig |
| #define Length(sig) StringIds::length_ ## sig |
| #define MaxSize(sig) StringIds::max_size_ ## sig |
| #define Resize(sig) StringIds::resize_ ## sig |
| #define Capacity(sig) StringIds::capacity_ ## sig |
| #define Reserve(sig) StringIds::reserve_ ## sig |
| #define Clear(sig) StringIds::clear_ ## sig |
| #define Empty(sig) StringIds::empty_ ## sig |
| |
| static const char* const exceptions[] = { |
| "unknown exception", "out_of_range", "length_error", |
| "bad_alloc", "exception" |
| }; |
| |
| /**************************************************************************/ |
| |
| // used to exercise |
| // size () |
| static const StringTestCase |
| size_void_test_cases [] = { |
| |
| #define length_void_test_cases size_void_test_cases |
| |
| #undef TEST |
| #define TEST(str, res) { \ |
| __LINE__, -1, -1, -1, -1, -1, \ |
| str, sizeof str - 1, 0, 0, \ |
| 0, res, -1 \ |
| } |
| |
| // +--------------------------------------- controlled sequence |
| // | +------------------ expected result |
| // | | |
| // | | |
| // V V |
| TEST (0, 0), |
| TEST ("", 0), |
| |
| TEST ("<U0>", 1), |
| TEST ("a", 1), |
| TEST (" ", 1), |
| TEST ("ab", 2), |
| TEST ("bc", 2), |
| |
| TEST ("test string", 11), |
| TEST ("Test String", 11), |
| |
| TEST ("t<U0> s", 4), |
| TEST ("Test<U0>string", 11), |
| |
| TEST ("<U0>a<U0>b", 4), |
| TEST ("a<U0>@2b", 4), |
| TEST ("a<U0>@3b", 5), |
| TEST ("a<U0>@2b<U0>", 5), |
| TEST ("a<U0>b<U0>@2c", 6), |
| TEST ("a<U0>b<U0>c<U0>@2", 7), |
| |
| TEST ("x@128", 128), |
| TEST ("x@207", 207), |
| TEST ("x@334", 334), |
| TEST ("x@540", 540), |
| TEST ("x@873", 873), |
| TEST ("x@1412", 1412), |
| TEST ("x@2284", 2284), |
| TEST ("x@3695", 3695), |
| TEST ("x@4096", 4096), |
| |
| TEST ("last", 4) |
| |
| }; |
| |
| /**************************************************************************/ |
| |
| // used to exercise |
| // max_size () |
| static const StringTestCase |
| max_size_void_test_cases [] = { |
| |
| #undef TEST |
| #define TEST(str) { \ |
| __LINE__, -1, -1, -1, -1, -1, \ |
| str, sizeof str - 1, 0, 0, \ |
| 0, 0, -1 \ |
| } |
| |
| // +------------------------------ controlled sequence |
| // | |
| // | |
| // | |
| // V |
| TEST (0), |
| TEST (""), |
| |
| TEST ("<U0>"), |
| TEST ("a"), |
| |
| TEST ("test string"), |
| TEST ("a<U0>b<U0>c<U0>@2"), |
| |
| TEST ("x@128"), |
| TEST ("x@207"), |
| TEST ("x@2284"), |
| TEST ("x@3695"), |
| |
| TEST ("last") |
| |
| }; |
| |
| /**************************************************************************/ |
| |
| // used to exercise |
| // resize (size_type, value_type) |
| static const StringTestCase |
| resize_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 |
| // | +------------------- new size |
| // | | +------------- value_type argument |
| // | | | +-------- expected result sequence |
| // | | | | +- exception info |
| // | | | | | 0 - no exception |
| // | | | | | 1 - length_error |
| // | | | | | |
| // | | | | +-----------+ |
| // V V V V V |
| TEST ("", 0, 'a', "", 0), |
| TEST ("", 5, '\0', "<U0>@3<U0>@2", 0), |
| TEST ("", 334, 'x', "x@334", 0), |
| |
| TEST ("<U0>", 0, 'a', "", 0), |
| TEST ("<U0>", 2, 'a', "<U0>a", 0), |
| TEST ("<U0>", 1, 'a', "<U0>", 0), |
| TEST ("<U0>", 128, 'a', "<U0>a@127", 0), |
| |
| TEST ("a", 0, 'a', "", 0), |
| TEST ("a", 2, '\0', "a<U0>", 0), |
| TEST ("a", 540, 'a', "a@540", 0), |
| |
| TEST ("a<U0>@3b", 10, 'a', "a<U0>@3baaaaa", 0), |
| TEST ("ab<U0>@3", 10, 'a', "ab<U0>@3aaaaa", 0), |
| TEST ("<U0>@3ab", 10, 'a', "<U0>@3abaaaaa", 0), |
| TEST ("a<U0>@3b", 7, '\0', "a<U0>@3b<U0>@2", 0), |
| TEST ("ab<U0>@3", 7, '\0', "ab<U0>@3<U0>@2", 0), |
| TEST ("<U0>@3ba", 7, '\0', "<U0>@3ba<U0>@2", 0), |
| |
| TEST ("a<U0>b<U0>c<U0>@2", 6, 'a', "a<U0>b<U0>c<U0>", 0), |
| TEST ("a<U0>b<U0>c<U0>@2", 5, '\0', "a<U0>b<U0>c", 0), |
| TEST ("<U0>ba<U0>c<U0>@2", 1, '\0', "<U0>", 0), |
| TEST ("<U0>ba<U0>c<U0>@2", 0, '\0', "", 0), |
| |
| TEST ("x@540", 127, 'a', "x@127", 0), |
| TEST ("x@873", 127, 'a', "x@127", 0), |
| TEST ("x@1412", 127, 'a', "x@127", 0), |
| TEST ("x@2284", 127, 'a', "x@127", 0), |
| |
| TEST ("x@127", 128, 'a', "x@127a", 0), |
| TEST ("x@128", 207, 'a', "x@128a@79", 0), |
| TEST ("x@207", 334, 'a', "x@207a@127", 0), |
| TEST ("x@334", 540, 'a', "x@334a@206", 0), |
| TEST ("x@540", 873, 'a', "x@540a@333", 0), |
| TEST ("x@873", 1412, 'a', "x@873a@539", 0), |
| TEST ("x@1412", 2284, 'a', "x@1412a@872", 0), |
| TEST ("x@2284", 3695, 'a', "x@2284a@1411", 0), |
| |
| TEST ("", NPOS, 'a', "", 1), |
| TEST ("abc", NPOS, 'a', "abc", 1), |
| TEST ("x@3695", NPOS, 'a', "x@3695", 1), |
| |
| TEST ("last", 4, 't', "last", 0) |
| |
| }; |
| |
| /**************************************************************************/ |
| |
| // used to exercise |
| // resize (size_type) |
| static const StringTestCase |
| resize_size_test_cases [] = { |
| |
| #undef TEST |
| #define TEST(str, size, res, bthrow) { \ |
| __LINE__, -1, size, -1, -1, -1, \ |
| str, sizeof str - 1, 0, 0, \ |
| res, sizeof res - 1, bthrow \ |
| } |
| |
| // +------------------------------------------ controlled sequence |
| // | +------------------- new size |
| // | | +-------------- expected result sequence |
| // | | | +-- exception info |
| // | | | | 0 - no exception |
| // | | | | 1 - length_error |
| // | | | | |
| // V V V V |
| TEST ("", 0, "", 0), |
| TEST ("", 5, "", 0), |
| TEST ("", 334, "", 0), |
| |
| TEST ("<U0>", 0, "", 0), |
| TEST ("<U0>", 2, "<U0>", 0), |
| TEST ("<U0>", 1, "<U0>", 0), |
| TEST ("<U0>", 127, "<U0>", 0), |
| |
| TEST ("a", 0, "", 0), |
| TEST ("a", 2, "a", 0), |
| TEST ("a", 539, "a", 0), |
| |
| TEST ("a<U0>@3b", 10, "a<U0>@3b", 0), |
| TEST ("ab<U0>@3", 10, "ab<U0>@3", 0), |
| TEST ("<U0>@3ab", 10, "<U0>@3ab", 0), |
| TEST ("a<U0>@3b", 7, "a<U0>@3b", 0), |
| TEST ("ab<U0>@3", 7, "ab<U0>@3", 0), |
| TEST ("<U0>@3ba", 7, "<U0>@3ba", 0), |
| |
| TEST ("a<U0>b<U0>c<U0>@2", 5, "a<U0>b<U0>c", 0), |
| TEST ("a<U0>b<U0>c<U0>@2", 4, "a<U0>b<U0>", 0), |
| TEST ("<U0>ba<U0>c<U0>@2", 1, "<U0>", 0), |
| TEST ("<U0>ba<U0>c<U0>@2", 0, "", 0), |
| |
| TEST ("x@540", 127, "x@127", 0), |
| TEST ("x@873", 127, "x@127", 0), |
| TEST ("x@1412", 127, "x@127", 0), |
| TEST ("x@2284", 127, "x@127", 0), |
| |
| TEST ("x@127", 128, "x@127", 0), |
| TEST ("x@128", 207, "x@128", 0), |
| TEST ("x@207", 334, "x@207", 0), |
| TEST ("x@334", 540, "x@334", 0), |
| TEST ("x@540", 873, "x@540", 0), |
| TEST ("x@873", 1412, "x@873", 0), |
| TEST ("x@1412", 2284, "x@1412", 0), |
| TEST ("x@2284", 3695, "x@2284", 0), |
| |
| TEST ("", NPOS, "", 1), |
| TEST ("abc", NPOS, "abc", 1), |
| TEST ("x@3695", NPOS, "x@3695", 1), |
| |
| TEST ("last", 4, "last", 0) |
| |
| }; |
| |
| /**************************************************************************/ |
| |
| // used to exercise |
| // capacity () |
| static const StringTestCase |
| capacity_void_test_cases [] = { |
| |
| #undef TEST |
| #define TEST(str) { \ |
| __LINE__, -1, -1, -1, -1, -1, \ |
| str, sizeof str - 1, 0, 0, \ |
| 0, 0, -1 \ |
| } |
| |
| // +------------------------------ controlled sequence |
| // | |
| // | |
| // | |
| // V |
| TEST (0), |
| TEST (""), |
| |
| TEST ("<U0>"), |
| TEST ("a"), |
| |
| TEST ("test string"), |
| TEST ("a<U0>b<U0>c<U0>@2"), |
| |
| TEST ("x@128"), |
| TEST ("x@207"), |
| TEST ("x@334"), |
| TEST ("x@540"), |
| TEST ("x@873"), |
| TEST ("x@1412"), |
| TEST ("x@2284"), |
| TEST ("x@3695"), |
| TEST ("x@4096"), |
| |
| TEST ("last") |
| }; |
| |
| /**************************************************************************/ |
| |
| // used to exercise |
| // reserve (size_type) |
| static const StringTestCase |
| reserve_size_test_cases [] = { |
| |
| #undef TEST |
| #define TEST(str, size, bthrow) { \ |
| __LINE__, -1, size, -1, -1, -1, \ |
| str, sizeof str - 1, 0, 0, \ |
| 0, 0, bthrow \ |
| } |
| |
| // +--------------------------------------- controlled sequence |
| // | +---------------- requested capacity |
| // | | +----------- exception info |
| // | | | 0 - no exception |
| // | | | 1 - length_error |
| // | | | |
| // V V V |
| TEST ("", 0, 0), |
| TEST ("", 5, 0), |
| TEST ("", 334, 0), |
| |
| TEST ("<U0>", 0, 0), |
| TEST ("<U0>", 2, 0), |
| TEST ("<U0>", 1, 0), |
| TEST ("<U0>", 127, 0), |
| |
| TEST ("a", 0, 0), |
| TEST ("a", 2, 0), |
| TEST ("a", 539, 0), |
| |
| TEST ("a<U0>@3b", 10, 0), |
| TEST ("ab<U0>@3", 10, 0), |
| TEST ("<U0>@3ab", 10, 0), |
| TEST ("a<U0>b<U0>c<U0>@2", 5, 0), |
| TEST ("a<U0>b<U0>c<U0>@2", 4, 0), |
| TEST ("<U0>ba<U0>c<U0>@2", 1, 0), |
| TEST ("<U0>ba<U0>c<U0>@2", 0, 0), |
| |
| TEST ("x@540", 127, 0), |
| TEST ("x@873", 127, 0), |
| TEST ("x@1412", 127, 0), |
| TEST ("x@2284", 127, 0), |
| |
| TEST ("x@127", 1412, 0), |
| TEST ("x@128", 1412, 0), |
| TEST ("x@206", 207, 0), |
| TEST ("x@333", 334, 0), |
| TEST ("x@540", 540, 0), |
| TEST ("x@873", 873, 0), |
| TEST ("x@1412", 2284, 0), |
| TEST ("x@2284", 3695, 0), |
| |
| TEST ("", NPOS, 1), |
| TEST ("abc", NPOS, 1), |
| TEST ("x@3695", NPOS, 1), |
| |
| TEST ("last", 4, 0) |
| }; |
| |
| /**************************************************************************/ |
| |
| // used to exercise |
| // reserve () |
| static const StringTestCase |
| reserve_void_test_cases [] = { |
| |
| #undef TEST |
| #define TEST(str) { \ |
| __LINE__, -1, 0, -1, -1, -1, \ |
| str, sizeof str - 1, 0, 0, \ |
| 0, 0, -1 \ |
| } |
| |
| // +----------------------------- controlled sequence |
| // | |
| // | |
| // V |
| TEST (""), |
| TEST ("<U0>"), |
| TEST ("a"), |
| |
| TEST ("a<U0>@3b"), |
| TEST ("a<U0>b<U0>c<U0>@2"), |
| |
| TEST ("x@127"), |
| TEST ("x@128"), |
| TEST ("x@206"), |
| TEST ("x@333"), |
| TEST ("x@540"), |
| TEST ("x@873"), |
| TEST ("x@1412"), |
| TEST ("x@2284"), |
| |
| TEST ("last") |
| }; |
| |
| /**************************************************************************/ |
| |
| // used to exercise |
| // clear () |
| static const StringTestCase |
| clear_void_test_cases [] = { |
| |
| #undef TEST |
| #define TEST(str) { \ |
| __LINE__, -1, -1, -1, -1, -1, \ |
| str, sizeof str - 1, 0, 0, \ |
| "", 0, -1 \ |
| } |
| |
| // +------------------------------ controlled sequence |
| // | |
| // | |
| // | |
| // V |
| TEST (0), |
| TEST (""), |
| |
| TEST ("<U0>"), |
| TEST ("a"), |
| |
| TEST ("test string"), |
| TEST ("a<U0>b<U0>c<U0>@2"), |
| |
| TEST ("x@128"), |
| TEST ("x@207"), |
| TEST ("x@334"), |
| TEST ("x@540"), |
| TEST ("x@873"), |
| TEST ("x@1412"), |
| TEST ("x@2284"), |
| TEST ("x@3695"), |
| TEST ("x@4096"), |
| |
| TEST ("last") |
| }; |
| |
| /**************************************************************************/ |
| |
| // used to exercise |
| // empty () |
| static const StringTestCase |
| empty_void_test_cases [] = { |
| |
| #undef TEST |
| #define TEST(str, res) { \ |
| __LINE__, -1, -1, -1, -1, -1, \ |
| str, sizeof str - 1, 0, 0, \ |
| 0, res, -1 \ |
| } |
| |
| // +------------------------------ controlled sequence |
| // | +--------------- expected result |
| // | | |
| // | | |
| // V V |
| TEST (0, 1), |
| TEST ("", 1), |
| |
| TEST ("<U0>", 0), |
| TEST ("a", 0), |
| TEST ("<U0>ab<U0>c", 0), |
| |
| TEST ("x@128", 0), |
| TEST ("x@3695", 0), |
| |
| TEST ("last", 0) |
| }; |
| |
| /**************************************************************************/ |
| template <class charT, class Traits, class Allocator> |
| void test_capacity (charT, Traits*, Allocator*, |
| const StringFunc &func, |
| const StringTestCase &tcase) |
| { |
| typedef std::basic_string <charT, Traits, Allocator> String; |
| typedef typename UserTraits<charT>::MemFun UTMemFun; |
| |
| static const std::size_t BUFSIZE = 256; |
| |
| static charT wstr_buf [BUFSIZE]; |
| std::size_t str_len = sizeof wstr_buf / sizeof *wstr_buf; |
| charT* wstr = rw_expand (wstr_buf, tcase.str, tcase.str_len, &str_len); |
| |
| static charT wres_buf [BUFSIZE]; |
| std::size_t res_len = sizeof wres_buf / sizeof *wres_buf; |
| charT* wres = rw_expand (wres_buf, tcase.res, tcase.nres, &res_len); |
| |
| // construct the string object to be modified and constant one |
| String str (wstr, str_len); |
| const String cstr (wstr, str_len); |
| |
| if (wstr != wstr_buf) |
| delete[] wstr; |
| |
| wstr = 0; |
| |
| // 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)); |
| |
| const charT arg_val = -1 != tcase.val ? |
| make_char (char (tcase.val), (charT*)0) |
| : make_char (char (), (charT*)0); |
| |
| 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) |
| 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) { |
| if (wres != wres_buf) |
| delete[] wres; |
| |
| return; |
| } |
| |
| #endif // _RWSTD_NO_EXCEPTIONS |
| |
| // start checking for memory leaks |
| rw_check_leaks (str.get_allocator ()); |
| |
| std::size_t res = 0; |
| |
| try { |
| |
| switch (func.which_) { |
| |
| case Size (void): |
| res = cstr.size (); |
| break; |
| |
| case Length (void): |
| res = cstr.length (); |
| break; |
| |
| case MaxSize (void): |
| res = cstr.max_size (); |
| break; |
| |
| case Resize (size_val): |
| str.resize (tcase.size, arg_val); |
| break; |
| |
| case Resize (size): |
| str.resize (tcase.size); |
| break; |
| |
| case Capacity (void): |
| res = cstr.capacity (); |
| break; |
| |
| case Reserve (size): |
| str.reserve (tcase.size); |
| break; |
| |
| case Reserve (void): |
| str.reserve (); |
| break; |
| |
| case Clear (void): |
| str.clear (); |
| break; |
| |
| case Empty (void): |
| res = cstr.empty () ? 1 : 0; |
| break; |
| |
| default: |
| RW_ASSERT ("test logic error: unknown capacity overload"); |
| return; |
| } |
| |
| // verify the returned value |
| if (func.which_ == StringIds::size_void |
| || func.which_ == StringIds::length_void |
| || func.which_ == StringIds::empty_void) { |
| rw_assert (res == tcase.nres, 0, tcase.line, |
| "line %d. %{$FUNCALL} expected %zu, got %zu", |
| __LINE__, tcase.nres, res); |
| } |
| |
| if (func.which_ == StringIds::capacity_void) { |
| std::size_t cur_sz = cstr.size (); |
| std::size_t max_sz = cstr.max_size (); |
| |
| rw_assert (cur_sz <= res && res <= max_sz, 0, tcase.line, |
| "line %d. %{$FUNCALL} == %zu, " |
| "expected %zu < res < %zu", |
| __LINE__, res, cur_sz, max_sz); |
| } |
| |
| if (func.which_ == StringIds::max_size_void) { |
| std::size_t cur_sz = cstr.size (); |
| |
| rw_assert (cur_sz <= res, 0, tcase.line, |
| "line %d. %{$FUNCALL} == %zu, expected res > %zu", |
| __LINE__, res, cur_sz); |
| } |
| |
| if (func.which_ == StringIds::reserve_size |
| || func.which_ == StringIds::reserve_void) { |
| |
| res = str.capacity (); |
| rw_assert (std::size_t (tcase.size) <= res, 0, tcase.line, |
| "line %d. %{$FUNCALL} : capacity() >= " |
| "%zu, got %zu", __LINE__, tcase.size, res); |
| } |
| |
| if (func.which_ == StringIds::resize_size_val |
| || func.which_ == StringIds::clear_void) { |
| |
| // verfiy that strings length are equal |
| rw_assert (res_len == str.size (), 0, tcase.line, |
| "line %d. %{$FUNCALL} expected %{#*s} " |
| "with length %zu, got %{/*.*Gs} with length %zu", |
| __LINE__, int (tcase.nres), tcase.res, res_len, |
| int (sizeof (charT)), int (str.size ()), |
| str.c_str (), str.size ()); |
| |
| if (res_len == str.size ()) { |
| // if the result length matches the expected length |
| // (and only then), also verify that the modified |
| // string matches the expected result |
| const std::size_t match = |
| rw_match (tcase.res, str.c_str(), str.size ()); |
| |
| rw_assert (match == res_len, 0, tcase.line, |
| "line %d. %{$FUNCALL} expected %{#*s}, " |
| "got %{/*.*Gs}, difference at offset %zu", |
| __LINE__, int (tcase.nres), tcase.res, |
| int (sizeof (charT)), int (str.size ()), |
| str.c_str (), match); |
| } |
| } |
| |
| if (func.which_ == StringIds::resize_size) { |
| |
| std::size_t match = |
| rw_match (tcase.res, str.data (), res_len); |
| |
| rw_assert (match == res_len, 0, tcase.line, |
| "line %d. %{$FUNCALL} expected %{#*s}, " |
| "got %{/*.*Gs}, difference at offset %zu", |
| __LINE__, int (tcase.nres), tcase.res, |
| int (sizeof (charT)), int (str.size ()), |
| str.c_str (), match); |
| |
| for (std::size_t tmp = res_len; tmp < str.size (); tmp++) { |
| |
| char c = char (); |
| match = rw_match (&c, str.data () + tmp, 1); |
| rw_assert (1 == match, 0, tcase.line, |
| "line %d. %{$FUNCALL} expected %c " |
| "at offset %zu, got %{#c}", |
| __LINE__, c, tmp, str.data () + tmp); |
| } |
| } |
| } |
| |
| #ifndef _RWSTD_NO_EXCEPTIONS |
| |
| 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. %{$FUNCALL} %{?}expected %s, caught %s" |
| "%{:}unexpectedly caught %s%{;}", |
| __LINE__, 0 != expected, expected, caught, caught); |
| } |
| |
| break; |
| } |
| |
| #ifndef _RWSTD_NO_REPLACEABLE_NEW_DELETE |
| |
| // verify that if exceptions are enabled and when capacity changes |
| // at least one exception is thrown |
| const std::size_t expect_throws = str_state.capacity_ < str.capacity (); |
| |
| #else // if defined (_RWSTD_NO_REPLACEABLE_NEW_DELETE) |
| |
| const std::size_t expect_throws = |
| (StringIds::UserAlloc == func.alloc_id_) |
| ? str_state.capacity_ < str.capacity () : 0; |
| |
| #endif // _RWSTD_NO_REPLACEABLE_NEW_DELETE |
| |
| rw_assert (expect_throws == throw_count, 0, tcase.line, |
| "line %d: %{$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); |
| |
| // disable bad_alloc exceptions |
| *pst->throw_at_calls_ [0] = 0; |
| pal->throw_at_calls_ [pal->m_allocate] = 0; |
| |
| if (wres != wres_buf) |
| delete[] wres; |
| } |
| |
| /**************************************************************************/ |
| |
| DEFINE_STRING_TEST_DISPATCH (test_capacity); |
| |
| int main (int argc, char** argv) |
| { |
| static const StringTest |
| tests [] = { |
| |
| #undef TEST |
| #define TEST(gsig, sig) { \ |
| gsig, sig ## _test_cases, \ |
| sizeof sig ## _test_cases / sizeof *sig ## _test_cases \ |
| } |
| |
| TEST (StringIds::size_void, size_void), |
| TEST (StringIds::length_void, length_void), |
| TEST (StringIds::max_size_void, max_size_void), |
| TEST (StringIds::resize_size_val, resize_size_val), |
| TEST (StringIds::resize_size, resize_size), |
| TEST (StringIds::capacity_void, capacity_void), |
| TEST (StringIds::reserve_size, reserve_size), |
| TEST (StringIds::reserve_void, reserve_void), |
| TEST (StringIds::clear_void, clear_void), |
| TEST (StringIds::empty_void, empty_void) |
| }; |
| |
| const std::size_t test_count = sizeof tests / sizeof *tests; |
| |
| return rw_run_string_test (argc, argv, __FILE__, |
| "lib.string.capacity", |
| test_capacity, tests, test_count); |
| } |
| |
| |
