631 lines
23 KiB
C++
631 lines
23 KiB
C++
/***************************************************************************
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*
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* 21.string.operators.cpp - test exercising [lib.string.nonmembers]
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* except lib.string::op+ and lib.string.io
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*
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* $Id: 21.string.operators.cpp 590052 2007-10-30 12:44:14Z faridz $
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*
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***************************************************************************
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* permissions and limitations under the License.
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*
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* Copyright 2006 Rogue Wave Software.
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*
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**************************************************************************/
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#include <string> // for string
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#include <stdexcept> // for out_of_range, length_error
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#include <cstddef> // for size_t
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#include <21.strings.h> // for StringMembers
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#include <driver.h> // for rw_test()
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#include <rw_allocator.h> // for UserAlloc
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#include <rw_char.h> // for rw_expand()
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#include <rw_new.h> // for bad_alloc, replacement operator new
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/**************************************************************************/
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// for convenience and brevity
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#define OpEqual(which) StringIds::op_equal_ ## which
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#define OpNotEqual(which) StringIds::op_not_equal_ ## which
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#define OpLess(which) StringIds::op_less_ ## which
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#define OpLessEqual(which) StringIds::op_less_equal_ ## which
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#define OpGreater(which) StringIds::op_greater_ ## which
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#define OpGreaterEqual(which) StringIds::op_greater_equal_ ## which
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static const char* const exceptions[] = {
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"unknown exception", "out_of_range", "length_error",
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"bad_alloc", "exception"
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};
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/**************************************************************************/
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// exercises:
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// operator == (const value_type*, const basic_string&)
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// operator != (const value_type*, const basic_string&)
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// operator < (const value_type*, const basic_string&)
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// operator <= (const value_type*, const basic_string&)
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// operator > (const value_type*, const basic_string&)
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// operator >= (const value_type*, const basic_string&)
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static const StringTestCase
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cptr_cstr_test_cases [] = {
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#undef TEST
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#define TEST(str, arg, res) \
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{ __LINE__, -1, -1, -1, -1, -1, \
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str, sizeof str - 1, arg, sizeof arg - 1, \
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0, (std::size_t) res, 0 \
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}
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// +----------------------------------------- first sequence
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// | +----------------------- second sequence
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// | | +---- expected result
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// | | | -1 - first is less
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// | | | 0 - equal
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// | | | 1 - first is greater
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// | | |
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// | | |
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// V V V
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TEST ("ab", "c", -1),
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TEST ("", "", 0),
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TEST ("", "a", -1),
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TEST ("a", "", 1),
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TEST ("a", "a", 0),
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TEST ("<U0>", "", 0),
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TEST ("", "<U0>", -1),
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TEST ("<U0>", "<U0>", -1),
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TEST ("abcdefgjih", "abcdefgji", 1),
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TEST ("abcdefgjih", "abcdefgjih", 0),
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TEST ("abcdefgji", "abcdefgjih", -1),
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TEST ("abcefgjih", "abcdefgjih", 1),
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TEST ("abcdefgjih", "abcefgjih", -1),
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TEST ("<U0>ab<U0>@2c", "<U0>ab<U0>@2c", -1),
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TEST ("ab<U0>@2c<U0>", "ab", 0),
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TEST ("e<U0>", "ab<U0>@2c<U0>", 1),
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TEST ("x@2048", "x@2048", 0),
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TEST ("x@2048", "x@2049", -1),
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TEST ("x@2048", "x@2047", 1),
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TEST ("a@2048", "b@2048", -1),
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TEST ("b@2048", "a@2048", 1),
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TEST ("a@2048<U0>", "a@2048", 0),
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TEST ("a@2048", "a@2048<U0>", -1),
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TEST ("x@128", "x@207", -1),
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TEST ("x@334", "x@334", 0),
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TEST ("x@873", "x@540", 1),
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TEST ("x@1412", "x@2284", -1),
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TEST ("x@3695", "x@3695", 0),
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TEST ("x@4096", "x@3695", 1),
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TEST (0, "abc", 0),
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TEST (0, "<U0>ab<U0>", -1),
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TEST (0, "x@2048", 0),
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TEST ("last", "last", 0)
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};
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/**************************************************************************/
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// exercises:
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// operator == (const basic_string&, const basic_string&)
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// operator != (const basic_string&, const basic_string&)
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// operator < (const basic_string&, const basic_string&)
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// operator <= (const basic_string&, const basic_string&)
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// operator > (const basic_string&, const basic_string&)
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// operator >= (const basic_string&, const basic_string&)
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static const StringTestCase
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cstr_cstr_test_cases [] = {
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#undef TEST
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#define TEST(str, arg, res) \
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{ __LINE__, -1, -1, -1, -1, -1, \
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str, sizeof str - 1, arg, sizeof arg - 1, \
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0, (std::size_t) res, 0 \
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}
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// +----------------------------------------- first sequence
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// | +----------------------- second sequence
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// | | +---- expected result
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// | | | -1 - first is less
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// | | | 0 - equal
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// | | | 1 - first is greater
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// | | |
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// | | |
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// V V V
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TEST ("ab", "c", -1),
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TEST ("", "", 0),
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TEST ("", "a", -1),
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TEST ("a", "", 1),
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TEST ("a", "a", 0),
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TEST ("<U0>", "", 1),
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TEST ("", "<U0>", -1),
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TEST ("<U0>", "<U0>", 0),
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TEST ("abcdefgjih", "abcdefgji", 1),
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TEST ("abcdefgjih", "abcdefgjih", 0),
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TEST ("abcdefgji", "abcdefgjih", -1),
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TEST ("abcefgjih", "abcdefgjih", 1),
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TEST ("abcdefgjih", "abcefgjih", -1),
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TEST ("<U0>ab<U0>@2c", "<U0>ab<U0>@2c", 0),
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TEST ("ab<U0>@2c<U0>", "<U0>ab<U0>@2c", 1),
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TEST ("ab<U0>@2c<U0>", "ab<U0>@2c<U0>", 0),
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TEST ("ab<U0>@2c<U0>", "ab", 1),
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TEST ("ab", "ab<U0>@2c<U0>", -1),
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TEST ("ab<U0>@3", "ab<U0>@2c<U0>", -1),
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TEST ("ab<U0>@3", "ab<U0>@3", 0),
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TEST ("e<U0>", "ab<U0>@2c<U0>", 1),
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TEST ("ab<U0>@2c<U0>", "e<U0>", -1),
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TEST ("x@2048", "x@2048", 0),
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TEST ("x@2048", "x@2049", -1),
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TEST ("x@2048", "x@2047", 1),
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TEST ("a@2048", "b@2048", -1),
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TEST ("b@2048", "a@2048", 1),
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TEST ("<U0>a@2048", "a@2048<U0>", -1),
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TEST ("a@2048<U0>", "<U0>a@2048", 1),
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TEST ("a@2048<U0>", "a@2048", 1),
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TEST ("a@2048", "a@2048<U0>", -1),
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TEST ("a@2048<U0>", "a@2048<U0>", 0),
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TEST ("x@128", "x@207", -1),
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TEST ("x@334", "x@334", 0),
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TEST ("x@873", "x@540", 1),
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TEST ("x@1412", "x@2284", -1),
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TEST ("x@3695", "x@3695", 0),
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TEST ("x@4096", "x@3695", 1),
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TEST (0, "abc", 0),
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TEST (0, "<U0>ab<U0>", 0),
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TEST (0, "x@2048", 0),
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TEST ("abc", 0, 0),
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TEST ("<U0>ab<U0>", 0, 0),
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TEST ("x@2048", 0, 0),
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TEST ("last", "last", 0)
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};
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/**************************************************************************/
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// exercises:
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// operator == (const basic_string&, const value_type*)
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// operator != (const basic_string&, const value_type*)
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// operator < (const basic_string&, const value_type*)
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// operator <= (const basic_string&, const value_type*)
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// operator > (const basic_string&, const value_type*)
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// operator >= (const basic_string&, const value_type*)
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static const StringTestCase
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cstr_cptr_test_cases [] = {
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#undef TEST
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#define TEST(str, arg, res) \
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{ __LINE__, -1, -1, -1, -1, -1, \
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str, sizeof str - 1, arg, sizeof arg - 1, \
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0, (std::size_t) res, 0 \
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}
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// +----------------------------------------- first sequence
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// | +----------------------- second sequence
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// | | +---- expected result
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// | | | -1 - first is less
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// | | | 0 - equal
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// | | | 1 - first is greater
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// | | |
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// | | |
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// V V V
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TEST ("ab", "c", -1),
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TEST ("", "", 0),
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TEST ("", "a", -1),
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TEST ("a", "", 1),
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TEST ("a", "a", 0),
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TEST ("<U0>", "", 1),
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TEST ("", "<U0>", 0),
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TEST ("<U0>", "<U0>", 1),
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TEST ("abcdefgjih", "abcdefgji", 1),
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TEST ("abcdefgjih", "abcdefgjih", 0),
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TEST ("abcdefgji", "abcdefgjih", -1),
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TEST ("abcefgjih", "abcdefgjih", 1),
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TEST ("abcdefgjih", "abcefgjih", -1),
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TEST ("<U0>ab<U0>@2c", "<U0>ab<U0>@2c", 1),
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TEST ("ab", "ab<U0>@2c<U0>", 0),
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TEST ("e<U0>", "ab<U0>@2c<U0>", 1),
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TEST ("ab<U0>@2c<U0>", "e<U0>", -1),
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TEST ("x@2048", "x@2048", 0),
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TEST ("x@2048", "x@2049", -1),
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TEST ("x@2048", "x@2047", 1),
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TEST ("a@2048", "b@2048", -1),
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TEST ("b@2048", "a@2048", 1),
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TEST ("a@2048", "a@2048<U0>", 0),
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TEST ("a@2048<U0>", "a@2048<U0>", 1),
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TEST ("x@128", "x@207", -1),
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TEST ("x@334", "x@334", 0),
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TEST ("x@873", "x@540", 1),
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TEST ("x@1412", "x@2284", -1),
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TEST ("x@3695", "x@3695", 0),
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TEST ("x@4096", "x@3695", 1),
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TEST ("abc", 0, 0),
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TEST ("<U0>ab<U0>", 0, 1),
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TEST ("x@2048", 0, 0),
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TEST ("last", "last", 0)
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};
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/**************************************************************************/
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template <class charT, class Traits, class Allocator>
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void test_operators (charT, Traits*, Allocator*,
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const StringFunc &func,
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const StringTestCase &tcase)
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{
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typedef std::basic_string <charT, Traits, Allocator> String;
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typedef typename UserTraits<charT>::MemFun UTMemFun;
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static const std::size_t BUFSIZE = 256;
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static charT wstr_buf [BUFSIZE];
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static charT warg_buf [BUFSIZE];
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std::size_t str_len = sizeof wstr_buf / sizeof *wstr_buf;
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std::size_t arg_len = sizeof warg_buf / sizeof *warg_buf;
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charT* wstr = rw_expand (wstr_buf, tcase.str, tcase.str_len, &str_len);
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charT* warg = rw_expand (warg_buf, tcase.arg, tcase.arg_len, &arg_len);
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// construct the string object to be modified
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// and the (possibly unused) argument string
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/* const */ String s_str (wstr, str_len);
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const String s_arg (warg, arg_len);
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if (wstr != wstr_buf)
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delete[] wstr;
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if (warg != warg_buf)
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delete[] warg;
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wstr = 0;
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warg = 0;
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const charT* const arg1_ptr = tcase.str ? s_str.c_str () : s_arg.c_str ();
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const String& arg1_str = tcase.str ? s_str : s_arg;
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const charT* const arg2_ptr = tcase.arg ? s_arg.c_str () : s_str.c_str ();
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const String& arg2_str = tcase.arg ? s_arg : s_str;
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std::size_t total_length_calls = 0;
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std::size_t n_length_calls = 0;
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std::size_t* const rg_calls = rw_get_call_counters ((Traits*)0, (charT*)0);
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if (rg_calls)
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total_length_calls = rg_calls [UTMemFun::length];
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rwt_free_store* const pst = rwt_get_free_store (0);
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SharedAlloc* const pal = SharedAlloc::instance ();
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// iterate for`throw_after' starting at the next call to operator new,
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// forcing each call to throw an exception, until the function finally
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// succeeds (i.e, no exception is thrown)
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std::size_t throw_count;
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for (throw_count = 0; ; ++throw_count) {
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// (name of) expected and caught exception
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const char* expected = 0;
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const char* caught = 0;
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#ifndef _RWSTD_NO_EXCEPTIONS
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if (0 == tcase.bthrow) {
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// by default excercise the exception safety of the function
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// by iteratively inducing an exception at each call to operator
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// new or Allocator::allocate() until the call succeeds
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expected = exceptions [3]; // bad_alloc
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*pst->throw_at_calls_ [0] = pst->new_calls_ [0] + throw_count + 1;
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pal->throw_at_calls_ [pal->m_allocate] =
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pal->throw_at_calls_ [pal->m_allocate] + throw_count + 1;
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}
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else {
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// exceptions disabled for this test case
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}
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#else // if defined (_RWSTD_NO_EXCEPTIONS)
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if (tcase.bthrow) {
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if (wres != wres_buf)
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delete[] wres;
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return;
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}
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#endif // _RWSTD_NO_EXCEPTIONS
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try {
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bool res = false;
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switch (func.which_) {
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// exercise cptr_cstr cases
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case OpEqual (cptr_cstr):
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res = arg1_ptr == arg2_str;
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if (rg_calls)
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n_length_calls = rg_calls [UTMemFun::length];
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break;
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case OpNotEqual (cptr_cstr):
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res = arg1_ptr != arg2_str;
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if (rg_calls)
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n_length_calls = rg_calls [UTMemFun::length];
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break;
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case OpLess (cptr_cstr):
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res = arg1_ptr < arg2_str;
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if (rg_calls)
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n_length_calls = rg_calls [UTMemFun::length];
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break;
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case OpLessEqual (cptr_cstr):
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res = arg1_ptr <= arg2_str;
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if (rg_calls)
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n_length_calls = rg_calls [UTMemFun::length];
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break;
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case OpGreater (cptr_cstr):
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res = arg1_ptr > arg2_str;
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if (rg_calls)
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n_length_calls = rg_calls [UTMemFun::length];
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break;
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case OpGreaterEqual (cptr_cstr):
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res = arg1_ptr >= arg2_str;
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if (rg_calls)
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n_length_calls = rg_calls [UTMemFun::length];
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break;
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// exercise cstr_cstr cases
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case OpEqual (cstr_cstr):
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res = arg1_str == arg2_str;
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break;
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case OpNotEqual (cstr_cstr):
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res = arg1_str != arg2_str;
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break;
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case OpLess (cstr_cstr):
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res = arg1_str < arg2_str;
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break;
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case OpLessEqual (cstr_cstr):
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res = arg1_str <= arg2_str;
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break;
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case OpGreater (cstr_cstr):
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res = arg1_str > arg2_str;
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break;
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case OpGreaterEqual (cstr_cstr):
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res = arg1_str >= arg2_str;
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break;
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// exercise cstr_cptr cases
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case OpEqual (cstr_cptr):
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res = arg1_str == arg2_ptr;
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if (rg_calls)
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n_length_calls = rg_calls [UTMemFun::length];
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break;
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case OpNotEqual (cstr_cptr):
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res = arg1_str != arg2_ptr;
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if (rg_calls)
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n_length_calls = rg_calls [UTMemFun::length];
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break;
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case OpLess (cstr_cptr):
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res = arg1_str < arg2_ptr;
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if (rg_calls)
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n_length_calls = rg_calls [UTMemFun::length];
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break;
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case OpLessEqual (cstr_cptr):
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res = arg1_str <= arg2_ptr;
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if (rg_calls)
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n_length_calls = rg_calls [UTMemFun::length];
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break;
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case OpGreater (cstr_cptr):
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res = arg1_str > arg2_ptr;
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if (rg_calls)
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n_length_calls = rg_calls [UTMemFun::length];
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break;
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case OpGreaterEqual (cstr_cptr):
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res = arg1_str >= arg2_ptr;
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if (rg_calls)
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n_length_calls = rg_calls [UTMemFun::length];
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break;
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default:
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RW_ASSERT ("test logic error: unknown operator overload");
|
|
return;
|
|
}
|
|
|
|
// form the expected result
|
|
bool exp_res = false;
|
|
switch (StringIds::fid_mask & int (func.which_)) {
|
|
case StringIds::fid_op_equal:
|
|
exp_res = 0 == tcase.nres;
|
|
break;
|
|
|
|
case StringIds::fid_op_not_equal:
|
|
exp_res = 0 != tcase.nres;
|
|
break;
|
|
|
|
case StringIds::fid_op_less:
|
|
exp_res = NPOS == tcase.nres;
|
|
break;
|
|
|
|
case StringIds::fid_op_less_equal:
|
|
exp_res = 1 != tcase.nres;
|
|
break;
|
|
|
|
case StringIds::fid_op_greater:
|
|
exp_res = 1 == tcase.nres;
|
|
break;
|
|
|
|
case StringIds::fid_op_greater_equal:
|
|
exp_res = NPOS != tcase.nres;
|
|
break;
|
|
}
|
|
|
|
// verify the result
|
|
rw_assert (res == exp_res, 0, tcase.line,
|
|
"line %d. %{$FUNCALL} expected %b, got %b",
|
|
__LINE__, exp_res, res);
|
|
|
|
// verify that Traits::length was used
|
|
std::size_t exp_len_used =
|
|
(StringIds::arg_cstr << int (StringIds::fid_bits))
|
|
| (StringIds::arg_cstr << int (StringIds::arg_bits)
|
|
<< int (StringIds::fid_bits));
|
|
|
|
std::size_t verlen =
|
|
func.which_ & ~StringIds::fid_mask & ~exp_len_used;
|
|
|
|
if (verlen && rg_calls) {
|
|
rw_assert (n_length_calls - total_length_calls > 0,
|
|
0, tcase.line, "line %d. %{$FUNCALL} doesn't "
|
|
"use traits::length()", __LINE__);
|
|
}
|
|
}
|
|
|
|
#ifndef _RWSTD_NO_EXCEPTIONS
|
|
|
|
catch (const std::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. %{$FUNCALL} %{?}expected %s,%{:}"
|
|
"unexpectedly%{;} caught %s",
|
|
__LINE__, 0 != expected, expected, caught);
|
|
}
|
|
|
|
#endif // _RWSTD_NO_EXCEPTIONS
|
|
|
|
if (caught) {
|
|
|
|
if (0 == tcase.bthrow) {
|
|
// allow this call to operator new to succeed and try
|
|
// to make the next one to fail during the next call
|
|
// to the same function again
|
|
continue;
|
|
}
|
|
}
|
|
else if (0 < tcase.bthrow) {
|
|
rw_assert (caught == expected, 0, tcase.line,
|
|
"line %d. %{$FUNCALL} %{?}expected %s, caught %s"
|
|
"%{:}unexpectedly caught %s%{;}",
|
|
__LINE__, 0 != expected, expected, caught, caught);
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
const std::size_t expect_throws = 0;
|
|
|
|
rw_assert (expect_throws == throw_count, 0, tcase.line,
|
|
"line %d: %{$FUNCALL}: expected no %s exceptions, got %zu",
|
|
__LINE__, exceptions [3], throw_count);
|
|
|
|
// disable bad_alloc exceptions
|
|
*pst->throw_at_calls_ [0] = 0;
|
|
pal->throw_at_calls_ [pal->m_allocate] = 0;
|
|
}
|
|
|
|
/**************************************************************************/
|
|
|
|
DEFINE_STRING_TEST_DISPATCH (test_operators);
|
|
|
|
int main (int argc, char** argv)
|
|
{
|
|
static const StringTest
|
|
tests [] = {
|
|
|
|
#undef TEST
|
|
#define TEST(oper, tag) { \
|
|
StringIds::op_ ## oper ## _ ## tag, tag ## _test_cases, \
|
|
sizeof tag ## _test_cases / sizeof *tag ## _test_cases \
|
|
}
|
|
|
|
TEST (equal, cptr_cstr),
|
|
TEST (equal, cstr_cptr),
|
|
TEST (equal, cstr_cstr),
|
|
|
|
TEST (not_equal, cptr_cstr),
|
|
TEST (not_equal, cstr_cptr),
|
|
TEST (not_equal, cstr_cstr),
|
|
|
|
TEST (less, cptr_cstr),
|
|
TEST (less, cstr_cptr),
|
|
TEST (less, cstr_cstr),
|
|
|
|
TEST (less_equal, cptr_cstr),
|
|
TEST (less_equal, cstr_cptr),
|
|
TEST (less_equal, cstr_cstr),
|
|
|
|
TEST (greater, cptr_cstr),
|
|
TEST (greater, cstr_cptr),
|
|
TEST (greater, cstr_cstr),
|
|
|
|
TEST (greater_equal, cptr_cstr),
|
|
TEST (greater_equal, cstr_cptr),
|
|
TEST (greater_equal, cstr_cstr)
|
|
|
|
};
|
|
|
|
const std::size_t test_count = sizeof tests / sizeof *tests;
|
|
|
|
return rw_run_string_test (argc, argv, __FILE__,
|
|
"lib.string.nonmembers",
|
|
test_operators, tests, test_count);
|
|
}
|