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61 lines
1.7 KiB
61 lines
1.7 KiB
// Copyright (c) 2009-2014 The Bitcoin Core developers |
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// Distributed under the MIT software license, see the accompanying |
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// file COPYING or http://www.opensource.org/licenses/mit-license.php. |
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#include <list> |
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#include <locale> |
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#include <stdexcept> |
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namespace |
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{ |
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// trigger: use ctype<char>::widen to trigger ctype<char>::_M_widen_init(). |
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// test: convert a char from narrow to wide and back. Verify that the result |
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// matches the original. |
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bool sanity_test_widen(char testchar) |
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{ |
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const std::ctype<char>& test(std::use_facet<std::ctype<char> >(std::locale())); |
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return test.narrow(test.widen(testchar), 'b') == testchar; |
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} |
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// trigger: use list::push_back and list::pop_back to trigger _M_hook and |
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// _M_unhook. |
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// test: Push a sequence of integers into a list. Pop them off and verify that |
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// they match the original sequence. |
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bool sanity_test_list(unsigned int size) |
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{ |
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std::list<unsigned int> test; |
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for (unsigned int i = 0; i != size; ++i) |
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test.push_back(i + 1); |
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if (test.size() != size) |
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return false; |
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while (!test.empty()) { |
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if (test.back() != test.size()) |
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return false; |
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test.pop_back(); |
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} |
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return true; |
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} |
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} // anon namespace |
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// trigger: string::at(x) on an empty string to trigger __throw_out_of_range_fmt. |
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// test: force std::string to throw an out_of_range exception. Verify that |
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// it's caught correctly. |
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bool sanity_test_range_fmt() |
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{ |
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std::string test; |
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try { |
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test.at(1); |
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} catch (const std::out_of_range&) { |
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return true; |
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} catch (...) { |
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} |
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return false; |
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} |
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bool glibcxx_sanity_test() |
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{ |
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return sanity_test_widen('a') && sanity_test_list(100) && sanity_test_range_fmt(); |
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}
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