110 lines
3.4 KiB
C++
110 lines
3.4 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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#include <sal/config.h>
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#include <cppunit/TestAssert.h>
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#include <cppunit/TestFixture.h>
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#include <cppunit/extensions/HelperMacros.h>
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#include <rtl/strbuf.hxx>
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#include <rtl/string.hxx>
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#include <rtl/ustring.hxx>
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namespace
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{
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OString returnOString()
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{
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char buf[] = "foo\0bar";
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return buf;
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}
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OStringBuffer returnOStringBuffer()
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{
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char buf[] = "foo\0bar";
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return buf;
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}
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class Test : public CppUnit::TestFixture
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{
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private:
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void testOString()
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{
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struct S
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{
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char a[4];
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};
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S s{ "x\0y" };
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CPPUNIT_ASSERT_EQUAL(sal_Int32(1), OString(s.a).getLength());
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// Ideally, the below would work the same as the above. However, the const reference makes
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// the ConstCharArrayDetector instead of the NonConstCharArrayDetector kick in, so that the
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// call to OString(r.a) would fire the ConstCharArrayDetector<T>::isValid assert (and in
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// NDEBUG builds the CPPUNIT_ASSERT_EQUAL would fail with 3 != 1):
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if ((false))
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{
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S const& r = s;
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CPPUNIT_ASSERT_EQUAL(sal_Int32(1), OString(r.a).getLength());
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}
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}
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void testOUStringChar()
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{
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struct S
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{
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char a[4];
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};
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S s{ "x\0y" };
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// This would fail to compile, as there is no OUString ctor taking a
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// NonConstCharArrayDetector char array:
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#if 0
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CPPUNIT_ASSERT_EQUAL(sal_Int32(1), OUString(s.a).getLength());
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#endif
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// Ideally, the below would fail to compile the same as the above. However, the const
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// reference makes the ConstCharArrayDetector instead of the NonConstCharArrayDetector kick
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// in, so that the call to OUString(r.a) would fire the ConstCharArrayDetector<T>::isValid
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// assert (and in NDEBUG builds the CPPUNIT_ASSERT_EQUAL would fail with 3 != 1):
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if ((false))
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{
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S const& r = s;
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CPPUNIT_ASSERT_EQUAL(sal_Int32(1), OUString(r.a).getLength());
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}
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}
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void testOUStringChar16t()
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{
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struct S
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{
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char16_t a[4];
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};
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S s{ u"x\0y" };
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CPPUNIT_ASSERT_EQUAL(sal_Int32(1), OUString(s.a).getLength());
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// Ideally, the below would work the same as the above. However, the const reference makes
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// the ConstCharArrayDetector instead of the NonConstCharArrayDetector kick in, so that the
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// call to OUString(r.a) would pick the deleted ConstCharArrayDetector overload:
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// S const& r = s;
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// CPPUNIT_ASSERT_EQUAL(sal_Int32(1), OUString(r.a).getLength());
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}
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void testP2266R3()
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{
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CPPUNIT_ASSERT_EQUAL("foo"_ostr, returnOString());
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CPPUNIT_ASSERT_EQUAL("foo"_ostr, returnOStringBuffer().makeStringAndClear());
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}
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CPPUNIT_TEST_SUITE(Test);
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CPPUNIT_TEST(testOString);
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CPPUNIT_TEST(testOUStringChar);
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CPPUNIT_TEST(testOUStringChar16t);
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CPPUNIT_TEST(testP2266R3);
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CPPUNIT_TEST_SUITE_END();
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};
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CPPUNIT_TEST_SUITE_REGISTRATION(Test);
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
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