| /*************************************************************************** |
| * |
| * 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 <string> // for string |
| #include <cstddef> // for size_t |
| #include <stdexcept> // for out_of_range, length_error |
| |
| #include <rw_strings.h> // for StringMembers |
| #include <rw_alg_test.h> // for InputIter |
| #include <rw_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 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 ("", "<U0>", "", 0), |
| TEST ("", "abc", "abc", 0), |
| TEST ("abc", "", "", 0), |
| |
| TEST ("<U0>", "", "", 0), |
| TEST ("<U0>", "a", "a", 0), |
| TEST ("<U0>", "<U0>@2", "", 0), |
| |
| TEST ("<U0>@2ab", "cdefghij", "cdefghij", 0), |
| TEST ("a<U0>@2b", "cdefghij", "cdefghij", 0), |
| TEST ("ab<U0>@2", "cdefghij", "cdefghij", 0), |
| TEST ("a<U0>b<U0>@2c", "e<U0>", "e", 0), |
| TEST ("<U0>ab<U0>@2c", "e<U0>", "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<U0>@2bc", 0, "a", 0), |
| TEST ("<U0>@2abc", 0, "", 0), |
| TEST ("abc<U0>@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 ("", "<U0>", "<U0>", 0), |
| TEST ("", "abc", "abc", 0), |
| TEST ("abc", "", "", 0), |
| |
| TEST ("<U0>", "", "", 0), |
| TEST ("<U0>", "a", "a", 0), |
| TEST ("<U0>", "<U0>@2", "<U0>@2", 0), |
| |
| TEST ("ab", "c<U0>e", "c<U0>e", 0), |
| |
| TEST ("<U0>@2ab", "cdefghij", "cdefghij", 0), |
| TEST ("a<U0>@2b", "cdefghij", "cdefghij", 0), |
| TEST ("ab<U0>@2", "cdefghij", "cdefghij", 0), |
| TEST ("a<U0>b<U0>@2c", "e<U0>", "e<U0>", 0), |
| TEST ("<U0>ab<U0>@2c", "e<U0>", "e<U0>", 0), |
| TEST ("ab<U0>@2c<U0>", "<U0>e", "<U0>e", 0), |
| |
| TEST ("e<U0>", "a<U0>b<U0>@2c", "a<U0>b<U0>@2c", 0), |
| TEST ("e<U0>@2", "<U0>ab<U0>@2c", "<U0>ab<U0>@2c", 0), |
| TEST ("<U0>e", "ab<U0>@2c<U0>", "ab<U0>@2c<U0>", 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<U0>@2bc", 0, "a<U0>@2bc", 0), |
| TEST ("<U0>@2abc", 0, "<U0>@2abc", 0), |
| TEST ("abc<U0>@2", 0, "abc<U0>@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 ("", "<U0>", 1, "<U0>", 0), |
| |
| TEST ("<U0>", "", 0, "", 0), |
| TEST ("<U0>", "a", 0, "", 0), |
| TEST ("<U0>", "a", 1, "a", 0), |
| TEST ("<U0>", "<U0>@2", 1, "<U0>", 0), |
| TEST ("<U0>", "<U0>@2", 2, "<U0>@2", 0), |
| |
| TEST ("cde", "ab", 2, "ab", 0), |
| TEST ("cde", "ab", 1, "a", 0), |
| |
| TEST ("<U0>e<U0>", "a<U0>b<U0>@2c", 0, "", 0), |
| TEST ("<U0>e<U0>", "<U0>ab<U0>@2c", 3, "<U0>ab", 0), |
| TEST ("<U0>e<U0>", "a<U0>b<U0>@2c", 6, "a<U0>b<U0>@2c", 0), |
| |
| TEST ("a<U0>b<U0>@2c", "<U0>e<U0>", 3, "<U0>e<U0>", 0), |
| TEST ("a<U0>b<U0>@2c", "<U0>@2e<U0>", 2, "<U0>@2", 0), |
| TEST ("<U0>ab<U0>@2c", "<U0>e<U0>", 1, "<U0>", 0), |
| TEST ("a<U0>bc<U0>@2", "<U0>e", 2, "<U0>e", 0), |
| |
| TEST ("", 0, 0, "", 0), |
| TEST ("abc", 0, 0, "", 0), |
| TEST ("abc", 0, 1, "a", 0), |
| TEST ("abc", 0, 2, "ab", 0), |
| TEST ("a<U0>bc", 0, 2, "a<U0>", 0), |
| TEST ("<U0>abc<U0>@2", 0, 1, "<U0>", 0), |
| TEST ("a<U0>bc<U0>@2", 0, 3, "a<U0>b", 0), |
| TEST ("a<U0>bc<U0>@2", 0, 6, "a<U0>bc<U0>@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 ("", "<U0>", 0, 1, "<U0>", 0), |
| |
| TEST ("<U0>", "", 0, 0, "", 0), |
| |
| TEST ("abc", "", 0, 0, "", 0), |
| |
| TEST ("<U0>", "a", 0, 1, "a", 0), |
| TEST ("<U0>", "<U0>@2", 1, 1, "<U0>", 0), |
| TEST ("<U0>", "<U0>@2", 0, 2, "<U0>@2", 0), |
| TEST ("<U0>", "<U0>@2", 1, 5, "<U0>", 0), |
| |
| TEST ("cde", "ab", 0, 2, "ab", 0), |
| TEST ("cde", "ab", 0, 1, "a", 0), |
| TEST ("cde", "ab", 1, 5, "b", 0), |
| |
| TEST ("ab", "c<U0>e", 0, 3, "c<U0>e", 0), |
| TEST ("ab", "c<U0>e", 1, 2, "<U0>e", 0), |
| TEST ("ab", "c<U0>e", 0, 2, "c<U0>", 0), |
| |
| TEST ("<U0>e<U0>", "<U0>ab<U0>@2c", 0, 9, "<U0>ab<U0>@2c", 0), |
| TEST ("<U0>e<U0>", "<U0>ab<U0>@2c", 0, 3, "<U0>ab", 0), |
| TEST ("a<U0>b<U0>@2c", "<U0>e<U0>", 0, 3, "<U0>e<U0>", 0), |
| TEST ("a<U0>b<U0>@2c", "<U0>@2e<U0>", 0, 2, "<U0>@2", 0), |
| TEST ("<U0>ab<U0>@2c", "<U0>e<U0>", 2, 1, "<U0>", 0), |
| TEST ("<U0>ab<U0>@2c", "<U0>e<U0>", 2, 9, "<U0>", 0), |
| TEST ("a<U0>bc<U0>@2", "<U0>e", 0, 2, "<U0>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 ("a<U0>bc<U0>@2", 0, 4, 2, "<U0>@2", 0), |
| TEST ("a<U0>bc<U0>@2", 0, 1, 3, "<U0>bc", 0), |
| TEST ("a<U0>bc<U0>@2", 0, 0, 9, "a<U0>bc<U0>@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 ("", "<U0>", 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 ("<U0>", 0, ' ', "", 0), |
| TEST ("", 2, '\0', "<U0>@2", 0), |
| |
| TEST ("<U0>", 1, 'a', "a", 0), |
| TEST ("<U0>", 1, '\0', "<U0>", 0), |
| TEST ("<U0>", 2, '\0', "<U0>@2", 0), |
| TEST ("<U0>", 0, '\0', "", 0), |
| |
| TEST ("cde", 3, 'a', "aaa", 0), |
| TEST ("ab", 2, '\0', "<U0>@2", 0), |
| TEST ("ab", 1, '\0', "<U0>", 0), |
| |
| TEST ("a<U0>b<U0>@2c", 2, '\0', "<U0>@2", 0), |
| TEST ("a<U0>b<U0>@2c", 1, '\0', "<U0>", 0), |
| TEST ("<U0>ab<U0>@2c", 3, '\0', "<U0>@3", 0), |
| TEST ("a<U0>bc<U0>@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 <class String, class Iterator> |
| struct AssignRange: RangeBase<String> { |
| |
| typedef typename String::iterator StringIter; |
| typedef typename String::value_type StringChar; |
| |
| AssignRange () { } |
| |
| virtual String& |
| operator() (String &str, |
| const StringTestCaseData<StringChar>& 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 <class String, class Iterator> |
| struct AssignRangeOverload: RangeBase<String> |
| { |
| typedef typename String::iterator StringIter; |
| typedef typename String::value_type StringChar; |
| |
| AssignRangeOverload () { } |
| |
| virtual String& |
| operator() (String &str, |
| const StringTestCaseData<StringChar>& 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 <class charT, class Traits, class Allocator> |
| void test_assign (charT*, Traits*, Allocator*, const RangeBase< |
| std::basic_string <charT, Traits, Allocator> > &rng, |
| const StringTestCaseData<charT> &tdata) |
| { |
| typedef std::basic_string <charT, Traits, Allocator> String; |
| typedef typename String::iterator StringIter; |
| typedef typename UserTraits<charT>::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 <class charT, class Traits, class Allocator> |
| void test_assign (charT*, Traits*, Allocator*, |
| const StringTestCaseData<charT> &tdata) |
| { |
| typedef std::basic_string<charT, Traits, Allocator> 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<String, Iter> 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<charT> Iter; \ |
| static const \ |
| AssignRange<String, Iter> 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<String> 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; |
| } |
