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Diffstat (limited to 'tools/qa/cppunit/test_stream.cxx')
-rw-r--r-- | tools/qa/cppunit/test_stream.cxx | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/tools/qa/cppunit/test_stream.cxx b/tools/qa/cppunit/test_stream.cxx new file mode 100644 index 000000000000..ae098e5b836d --- /dev/null +++ b/tools/qa/cppunit/test_stream.cxx @@ -0,0 +1,148 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * Version: MPL 1.1 / GPLv3+ / LGPLv3+ + * + * The contents of this file are subject to the Mozilla Public License Version + * 1.1 (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.mozilla.org/MPL/ + * + * Software distributed under the License is distributed on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License + * for the specific language governing rights and limitations under the + * License. + * + * The Initial Developer of the Original Code is + * Caolán McNamara <caolanm@redhat.com> (Red Hat, Inc.) + * Portions created by the Initial Developer are Copyright (C) 2011 the + * Initial Developer. All Rights Reserved. + * + * Contributor(s): Caolán McNamara <caolanm@redhat.com> + * + * Alternatively, the contents of this file may be used under the terms of + * either the GNU General Public License Version 3 or later (the "GPLv3+"), or + * the GNU Lesser General Public License Version 3 or later (the "LGPLv3+"), + * in which case the provisions of the GPLv3+ or the LGPLv3+ are applicable + * instead of those above. + */ + +#include "precompiled_tools.hxx" +#include <sal/cppunit.h> + +#include <tools/stream.hxx> +#include <sstream> + +//Tests for eofbit/badbit/goodbit/failbit + +namespace +{ + + class Test: public CppUnit::TestFixture + { + public: + void test_stdstream(); + void test_fastostring(); + + CPPUNIT_TEST_SUITE(Test); + CPPUNIT_TEST(test_stdstream); + CPPUNIT_TEST(test_fastostring); + CPPUNIT_TEST_SUITE_END(); + }; + + void Test::test_stdstream() + { + char foo[] = "foo"; + std::istringstream iss(foo, std::istringstream::in); + SvMemoryStream aMemStream(RTL_CONSTASCII_STRINGPARAM(foo), STREAM_READ); + + char std_a(78); + iss >> std_a; + CPPUNIT_ASSERT(std_a == 'f'); + + char tools_a(78); + aMemStream >> tools_a; + CPPUNIT_ASSERT(std_a == 'f'); + + iss.seekg(0, std::ios_base::end); + //seeking to end doesn't set eof, reading past eof does + CPPUNIT_ASSERT(!iss.eof()); + CPPUNIT_ASSERT(iss.good()); + + aMemStream.Seek(STREAM_SEEK_TO_END); + //seeking to end doesn't set eof, reading past eof does + CPPUNIT_ASSERT(!aMemStream.eof()); + CPPUNIT_ASSERT(aMemStream.good()); + + std_a = 78; + iss >> std_a; + //so, now eof is set + CPPUNIT_ASSERT(iss.eof()); + //a failed read doesn't change the data, it remains unchanged + CPPUNIT_ASSERT(std_a == 78); + //nothing wrong with the stream, so not bad + CPPUNIT_ASSERT(!iss.bad()); + //yet, the read didn't succeed + CPPUNIT_ASSERT(!iss.good()); + CPPUNIT_ASSERT(iss.rdstate() == (std::ios::failbit|std::ios::eofbit)); + + tools_a = 78; + aMemStream >> tools_a; + //so, now eof is set + CPPUNIT_ASSERT(aMemStream.eof()); + //a failed read doesn't change the data, it remains unchanged + CPPUNIT_ASSERT(tools_a == 78); + //nothing wrong with the stream, so not bad + CPPUNIT_ASSERT(!aMemStream.GetError()); + //yet, the read didn't succeed + CPPUNIT_ASSERT(!aMemStream.good()); + + //set things up so that there is only one byte available on an attempt + //to read a two-byte sal_uInt16. The byte should be consumed, but the + //operation should fail, and tools_b should remain unchanged, + sal_uInt16 tools_b = 0x1122; + aMemStream.SeekRel(-1); + CPPUNIT_ASSERT(!aMemStream.eof()); + CPPUNIT_ASSERT(aMemStream.good()); + aMemStream >> tools_b; + CPPUNIT_ASSERT(!aMemStream.good()); + CPPUNIT_ASSERT(aMemStream.eof()); + CPPUNIT_ASSERT(tools_b == 0x1122); + + iss.clear(); + iss.seekg(0); + CPPUNIT_ASSERT(iss.good()); + iss >> std_a; + CPPUNIT_ASSERT(std_a == 'f'); + + aMemStream.Seek(0); + CPPUNIT_ASSERT(aMemStream.good()); + aMemStream >> tools_a; + CPPUNIT_ASSERT(tools_a == 'f'); + + //failbit is rather subtle wrt e.g seeks + } + + void Test::test_fastostring() + { + char foo[] = "foobar"; + SvMemoryStream aMemStream(RTL_CONSTASCII_STRINGPARAM(foo), STREAM_READ); + + rtl::OString aOne = readBytesAsOString(aMemStream, 3); + CPPUNIT_ASSERT(aOne.equalsL(RTL_CONSTASCII_STRINGPARAM("foo"))); + + rtl::OString aTwo = readBytesAsOString(aMemStream, 3); + CPPUNIT_ASSERT(aTwo.equalsL(RTL_CONSTASCII_STRINGPARAM("bar"))); + + rtl::OString aThree = readBytesAsOString(aMemStream, 3); + CPPUNIT_ASSERT(!aThree.getLength()); + + aMemStream.Seek(0); + + rtl::OString aFour = readBytesAsOString(aMemStream, 100); + CPPUNIT_ASSERT(aFour.equalsL(RTL_CONSTASCII_STRINGPARAM(foo))); + } + + CPPUNIT_TEST_SUITE_REGISTRATION(Test); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |