| /*************************************************************************** |
| * |
| * 21.string.access.cpp - test exercising [lib.string.access] |
| * |
| * $Id$ |
| * |
| *************************************************************************** |
| * |
| * 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. |
| * |
| * Copyright 1994-2006 Rogue Wave Software. |
| * |
| **************************************************************************/ |
| |
| #include <string> // for string |
| #include <cstdlib> // for free(), size_t |
| #include <stdexcept> // for out_of_range |
| |
| #include <rw_strings.h> // for StringMembers |
| #include <rw_driver.h> // for rw_test() |
| #include <rw_allocator.h> // for UserAlloc |
| #include <rw_char.h> // for rw_expand() |
| |
| /**************************************************************************/ |
| |
| // for convenience and brevity |
| #define At(sig) StringIds::at_ ## sig |
| #define OpIndex(sig) StringIds::op_index_ ## sig |
| |
| static const char* const exceptions[] = { |
| "unknown exception", "out_of_range", "length_error", |
| "bad_alloc", "exception" |
| }; |
| |
| /**************************************************************************/ |
| |
| // used to exercise |
| // operator[] (size_type) |
| static const StringTestCase |
| op_index_size_test_cases [] = { |
| |
| #undef TEST |
| #define TEST(str, off, res) { \ |
| __LINE__, off, -1, -1, -1, -1, \ |
| str, sizeof str - 1, \ |
| 0, 0, 0, res, 0 \ |
| } |
| |
| // +--------------------------------------- controlled sequence |
| // | +----------------- index |
| // | | +------------- expected result |
| // | | | |
| // V V V |
| TEST ("a", 0, 'a' ), |
| |
| TEST ("<U0>", 0, '\0'), |
| |
| TEST ("abc", 0, 'a' ), |
| TEST ("abc", 1, 'b' ), |
| TEST ("abc", 2, 'c' ), |
| |
| TEST ("<U0>ab<U0><U0>c", 0, '\0'), |
| |
| TEST ("a<U0>b<U0><U0>c", 0, 'a' ), |
| TEST ("a<U0>b<U0><U0>c", 1, '\0'), |
| TEST ("a<U0>b<U0><U0>c", 2, 'b' ), |
| TEST ("a<U0>b<U0><U0>c", 3, '\0'), |
| TEST ("a<U0>b<U0><U0>c", 4, '\0'), |
| TEST ("a<U0>b<U0><U0>c", 5, 'c' ), |
| |
| TEST ("a<U0>bc<U0><U0>", 5, '\0'), |
| |
| TEST ("x@4096", 0, 'x' ), |
| TEST ("x@4096", 2048, 'x' ), |
| TEST ("x@4096", 4095, 'x' ), |
| |
| TEST ("last", 3, 't' ) |
| }; |
| |
| /**************************************************************************/ |
| |
| // used to exercise |
| // operator[] (size_type) const |
| static const StringTestCase |
| op_index_const_size_test_cases [] = { |
| |
| #undef TEST |
| #define TEST(str, off, res) { \ |
| __LINE__, off, -1, -1, -1, -1, \ |
| str, sizeof str - 1, \ |
| 0, 0, 0, res, 0 \ |
| } |
| |
| // +--------------------------------------- controlled sequence |
| // | +----------------- index |
| // | | +------------- expected result |
| // | | | |
| // V V V |
| TEST ("a", 0, 'a' ), |
| TEST ("a", 1, NPOS), |
| |
| TEST ("", 0, NPOS), |
| |
| TEST ("<U0>", 0, '\0'), |
| TEST ("<U0>", 1, NPOS), |
| |
| TEST ("abc", 0, 'a' ), |
| TEST ("abc", 1, 'b' ), |
| TEST ("abc", 2, 'c' ), |
| TEST ("abc", 3, NPOS), |
| |
| TEST ("<U0>ab<U0><U0>c", 0, '\0'), |
| |
| TEST ("a<U0>b<U0><U0>c", 0, 'a' ), |
| TEST ("a<U0>b<U0><U0>c", 1, '\0'), |
| TEST ("a<U0>b<U0><U0>c", 2, 'b' ), |
| TEST ("a<U0>b<U0><U0>c", 3, '\0'), |
| TEST ("a<U0>b<U0><U0>c", 4, '\0'), |
| TEST ("a<U0>b<U0><U0>c", 5, 'c' ), |
| TEST ("a<U0>b<U0><U0>c", 6, NPOS), |
| |
| TEST ("a<U0>bc<U0><U0>", 5, '\0'), |
| |
| TEST ("x@4096", 0, 'x' ), |
| TEST ("x@4096", 2048, 'x' ), |
| TEST ("x@4096", 4095, 'x' ), |
| TEST ("x@4096", 4096, NPOS), |
| |
| TEST ("last", 3, 't' ) |
| }; |
| |
| /**************************************************************************/ |
| |
| // used to exercise |
| // at (size_type) |
| // at (size_type) const |
| static const StringTestCase |
| at_size_test_cases [] = { |
| |
| #define at_const_size_test_cases at_size_test_cases |
| |
| #undef TEST |
| #define TEST(str, off, res, bthrow) { \ |
| __LINE__, off, -1, -1, -1, -1, \ |
| str, sizeof str - 1, \ |
| 0, 0, 0, res, bthrow \ |
| } |
| |
| // +--------------------------------------- controlled sequence |
| // | +----------------- index |
| // | | +-------------- expected result |
| // | | | +----- exception info |
| // | | | | 0 - no exception |
| // | | | | 1 - out_of_range |
| // | | | | |
| // V V V V |
| TEST ("a", 0, 'a', 0), |
| TEST ("a", 1, NPOS, 1), |
| |
| TEST ("", 0, NPOS, 1), |
| |
| TEST ("<U0>", 0, '\0', 0), |
| TEST ("<U0>", 1, NPOS, 1), |
| |
| TEST ("abc", 0, 'a', 0), |
| TEST ("abc", 1, 'b', 0), |
| TEST ("abc", 2, 'c', 0), |
| TEST ("abc", 3, NPOS, 1), |
| |
| TEST ("<U0>ab<U0><U0>c", 0, '\0', 0), |
| |
| TEST ("a<U0>b<U0><U0>c", 0, 'a', 0), |
| TEST ("a<U0>b<U0><U0>c", 1, '\0', 0), |
| TEST ("a<U0>b<U0><U0>c", 2, 'b', 0), |
| TEST ("a<U0>b<U0><U0>c", 3, '\0', 0), |
| TEST ("a<U0>b<U0><U0>c", 4, '\0', 0), |
| TEST ("a<U0>b<U0><U0>c", 5, 'c', 0), |
| TEST ("a<U0>b<U0><U0>c", 6, NPOS, 1), |
| |
| TEST ("a<U0>bc<U0><U0>", 5, '\0', 0), |
| |
| TEST ("x@4096", 0, 'x', 0), |
| TEST ("x@4096", 2048, 'x', 0), |
| TEST ("x@4096", 4095, 'x', 0), |
| TEST ("x@4096", 4096, NPOS, 1), |
| |
| TEST ("last", 3, 't', 0) |
| }; |
| |
| /**************************************************************************/ |
| |
| template <class charT, class Traits, class Allocator> |
| void test_access (charT, Traits*, Allocator*, |
| const StringFunc &func, |
| const StringTestCase &tcase) |
| { |
| typedef std::basic_string <charT, Traits, Allocator> String; |
| typedef typename String::size_type SizeT; |
| |
| 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); |
| |
| // construct the string object |
| /* const */ String str (wstr, str_len); |
| const String const_str = str; |
| |
| 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)); |
| |
| #ifndef _RWSTD_NO_EXCEPTIONS |
| |
| // is some exception expected ? |
| const char* expected = 1 == tcase.bthrow ? exceptions[1] : 0; |
| const char* caught = 0; |
| |
| #endif // _RWSTD_NO_EXCEPTIONS |
| |
| try { |
| |
| const charT *pres = 0; |
| |
| switch (func.which_) { |
| |
| case OpIndex (size): |
| pres = &str [SizeT (tcase.off)]; |
| break; |
| |
| case OpIndex (const_size): |
| pres = &const_str [SizeT (tcase.off)]; |
| break; |
| |
| case At (size): |
| pres = &str.at (SizeT (tcase.off)); |
| break; |
| |
| case At (const_size): |
| pres = &const_str.at (SizeT (tcase.off)); |
| break; |
| |
| default: |
| RW_ASSERT (!"test logic error: unknown access overload"); |
| return; |
| } |
| |
| const char exp_res [2] = { |
| NPOS != tcase.nres ? char (tcase.nres) : char (), |
| char () |
| }; |
| |
| const bool success = 1 == rw_match (exp_res, pres, 1); |
| rw_assert (success, 0, tcase.line, |
| "line %d. %{$FUNCALL} == %{#c}, got %{#c}", |
| __LINE__, tcase.nres, *pres); |
| } |
| |
| #ifndef _RWSTD_NO_EXCEPTIONS |
| |
| catch (const std::out_of_range &ex) { |
| caught = exceptions [1]; |
| rw_assert (caught == expected, 0, tcase.line, |
| "line %d. %{$FUNCALL} %{?}expected %s,%{:}" |
| "unexpectedly%{;} caught std::%s(%#s)", |
| __LINE__, 0 != expected, expected, caught, ex.what ()); |
| } |
| catch (const std::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 |
| |
| 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); |
| } |
| } |
| |
| /**************************************************************************/ |
| |
| DEFINE_STRING_TEST_DISPATCH (test_access); |
| |
| int main (int argc, char** argv) |
| { |
| static const StringTest |
| tests [] = { |
| |
| #undef TEST |
| #define TEST(sig) { \ |
| StringIds::sig, sig ## _test_cases, \ |
| sizeof sig ## _test_cases / sizeof *sig ## _test_cases \ |
| } |
| |
| TEST (op_index_size), |
| TEST (op_index_const_size), |
| TEST (at_size), |
| TEST (at_const_size) |
| }; |
| |
| const std::size_t test_count = sizeof tests / sizeof *tests; |
| |
| return rw_run_string_test (argc, argv, __FILE__, |
| "lib.string.access", |
| test_access, tests, test_count); |
| } |
