mirror of https://gitee.com/openkylin/cwidget.git
109 lines
3.1 KiB
C++
109 lines
3.1 KiB
C++
// Tests for generic/util/ssprintf.
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//
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// Copyright (C) 2007-2008 Daniel Burrows
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of
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// the License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; see the file COPYING. If not, write to
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// the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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// Boston, MA 02111-1307, USA.
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#include <cppunit/extensions/HelperMacros.h>
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#include <cppunit/TestAssert.h>
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#include <cwidget/generic/util/ssprintf.h>
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// For displaying assertion failures.
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#include <cwidget/generic/util/transcode.h>
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#include <errno.h>
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#include <string.h>
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using cwidget::util::ssprintf;
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using cwidget::util::swsprintf;
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CPPUNIT_NS_BEGIN
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template <>
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struct assertion_traits<std::wstring>
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{
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static bool equal(const std::wstring &x, const std::wstring &y)
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{
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return x == y;
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}
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static std::string toString(const std::wstring &x)
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{
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return cwidget::util::transcode(x);
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}
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};
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CPPUNIT_NS_END
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class SSPrintfTest : public CppUnit::TestFixture
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{
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CPPUNIT_TEST_SUITE(SSPrintfTest);
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CPPUNIT_TEST(test_sstrerror);
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CPPUNIT_TEST(test_ssprintf);
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CPPUNIT_TEST(test_swsprintf);
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CPPUNIT_TEST_SUITE_END();
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private:
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void do_test_sstrerror(int errnum)
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{
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std::string expected = strerror(errnum);
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CPPUNIT_ASSERT_EQUAL(expected, cwidget::util::sstrerror(errnum));
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}
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// This test was written because the original sstrerror was buggy
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// (returned garbage) on some platforms. To verify that it works we
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// check that it returns the same thing as strerror for a few error
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// values.
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void test_sstrerror()
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{
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do_test_sstrerror(0);
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do_test_sstrerror(EINVAL);
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do_test_sstrerror(EINTR);
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do_test_sstrerror(EBADF);
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}
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void test_ssprintf()
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{
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// Test that inserting very long strings via ssprintf actually works.
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std::string horriblelongthing = "abcdefghijklmnopqrstuvwxyz";
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while(horriblelongthing.size() < 4096)
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horriblelongthing += horriblelongthing;
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CPPUNIT_ASSERT_EQUAL(horriblelongthing + " 20", ssprintf("%s %d", horriblelongthing.c_str(), 20));
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// Test that we can generate empty strings.
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CPPUNIT_ASSERT_EQUAL(std::string(), ssprintf("%s", ""));
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}
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void test_swsprintf()
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{
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// Test that inserting very long strings via ssprintf actually works.
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std::wstring horriblelongthing = L"abcdefghijklmnopqrstuvwxyz";
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while(horriblelongthing.size() < 4096)
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horriblelongthing += horriblelongthing;
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CPPUNIT_ASSERT_EQUAL(horriblelongthing + L" 20", swsprintf(L"%ls %d", horriblelongthing.c_str(), 20));
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// Test that we can generate empty strings.
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CPPUNIT_ASSERT_EQUAL(std::wstring(), swsprintf(L"%s", ""));
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}
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};
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CPPUNIT_TEST_SUITE_REGISTRATION(SSPrintfTest);
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