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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
commited5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch)
tree7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /tools/qa/cppunit/test_stream.cxx
parentInitial commit. (diff)
downloadlibreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz
libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.zip
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/qa/cppunit/test_stream.cxx')
-rw-r--r--tools/qa/cppunit/test_stream.cxx321
1 files changed, 321 insertions, 0 deletions
diff --git a/tools/qa/cppunit/test_stream.cxx b/tools/qa/cppunit/test_stream.cxx
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <sal/types.h>
+#include <cppunit/TestAssert.h>
+#include <cppunit/TestFixture.h>
+#include <cppunit/extensions/HelperMacros.h>
+#include <tools/stream.hxx>
+#include <unotools/tempfile.hxx>
+#include <sstream>
+
+//Tests for eofbit/badbit/goodbit/failbit
+
+namespace
+{
+
+ class Test: public CppUnit::TestFixture
+ {
+ public:
+ void test_stdstream();
+ void test_fastostring();
+ void test_read_cstring();
+ void test_read_pstring();
+ void test_readline();
+ void test_write_unicode();
+
+ CPPUNIT_TEST_SUITE(Test);
+ CPPUNIT_TEST(test_stdstream);
+ CPPUNIT_TEST(test_fastostring);
+ CPPUNIT_TEST(test_read_cstring);
+ CPPUNIT_TEST(test_read_pstring);
+ CPPUNIT_TEST(test_readline);
+ CPPUNIT_TEST(test_write_unicode);
+ CPPUNIT_TEST_SUITE_END();
+ };
+
+ void Test::test_stdstream()
+ {
+ char foo[] = "foo";
+ std::istringstream iss(foo, std::istringstream::in);
+ SvMemoryStream aMemStream(foo, SAL_N_ELEMENTS(foo)-1, StreamMode::READ);
+
+ char std_a(78);
+ iss >> std_a;
+ CPPUNIT_ASSERT_EQUAL('f', std_a);
+
+ char tools_a(78);
+ aMemStream.ReadChar( tools_a );
+ CPPUNIT_ASSERT_EQUAL('f', tools_a);
+
+ 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_EQUAL(static_cast<char>(78), std_a);
+ //nothing wrong with the stream, so not bad
+ CPPUNIT_ASSERT(!iss.bad());
+ //yet, the read didn't succeed
+ CPPUNIT_ASSERT(!iss.good());
+ CPPUNIT_ASSERT_EQUAL((std::ios::failbit|std::ios::eofbit), iss.rdstate());
+
+ tools_a = 78;
+ aMemStream.ReadChar( tools_a );
+ //so, now eof is set
+ CPPUNIT_ASSERT(aMemStream.eof());
+ //a failed read doesn't change the data, it remains unchanged
+ CPPUNIT_ASSERT_EQUAL(static_cast<char>(78), tools_a);
+ //nothing wrong with the stream, so not bad
+ CPPUNIT_ASSERT(!aMemStream.bad());
+ //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.ReadUInt16( tools_b );
+ CPPUNIT_ASSERT(!aMemStream.good());
+ CPPUNIT_ASSERT(aMemStream.eof());
+ CPPUNIT_ASSERT_EQUAL(static_cast<sal_uInt16>(0x1122), tools_b);
+
+ iss.clear();
+ iss.seekg(0);
+ CPPUNIT_ASSERT(iss.good());
+ iss >> std_a;
+ CPPUNIT_ASSERT_EQUAL('f', std_a);
+
+ aMemStream.Seek(0);
+ CPPUNIT_ASSERT(aMemStream.good());
+ aMemStream.ReadChar( tools_a );
+ CPPUNIT_ASSERT_EQUAL('f', tools_a);
+
+ //failbit is rather subtle wrt e.g seeks
+
+ char buffer[1024];
+
+ iss.clear();
+ iss.seekg(0);
+ CPPUNIT_ASSERT(iss.good());
+ iss.read(buffer, sizeof(buffer));
+ CPPUNIT_ASSERT_EQUAL(static_cast<std::streamsize>(3), iss.gcount());
+ CPPUNIT_ASSERT(!iss.good());
+ CPPUNIT_ASSERT(!iss.bad());
+ CPPUNIT_ASSERT(iss.eof());
+
+ aMemStream.Seek(0);
+ CPPUNIT_ASSERT(aMemStream.good());
+ std::size_t nRet = aMemStream.ReadBytes(buffer, sizeof(buffer));
+ CPPUNIT_ASSERT_EQUAL(static_cast<std::size_t>(3), nRet);
+ CPPUNIT_ASSERT(!aMemStream.good());
+ CPPUNIT_ASSERT(!aMemStream.bad());
+ CPPUNIT_ASSERT(aMemStream.eof());
+ }
+
+ void Test::test_fastostring()
+ {
+ char foo[] = "foobar";
+ SvMemoryStream aMemStream(foo, SAL_N_ELEMENTS(foo)-1, StreamMode::READ);
+
+ OString aOne = read_uInt8s_ToOString(aMemStream, 3);
+ CPPUNIT_ASSERT_EQUAL(OString("foo"), aOne);
+
+ OString aTwo = read_uInt8s_ToOString(aMemStream, 3);
+ CPPUNIT_ASSERT_EQUAL(OString("bar"), aTwo);
+
+ OString aThree = read_uInt8s_ToOString(aMemStream, 3);
+ CPPUNIT_ASSERT(aThree.isEmpty());
+
+ aMemStream.Seek(0);
+
+ OString aFour = read_uInt8s_ToOString(aMemStream, 100);
+ CPPUNIT_ASSERT_EQUAL(OString(foo), aFour);
+ }
+
+ void Test::test_read_cstring()
+ {
+ char foo[] = "foobar";
+ SvMemoryStream aMemStream(foo, SAL_N_ELEMENTS(foo)-1, StreamMode::READ);
+
+ OString aOne = read_zeroTerminated_uInt8s_ToOString(aMemStream);
+ CPPUNIT_ASSERT_EQUAL(OString("foobar"), aOne);
+ CPPUNIT_ASSERT(!aMemStream.good());
+ CPPUNIT_ASSERT(!aMemStream.bad());
+ CPPUNIT_ASSERT(aMemStream.eof());
+
+ aMemStream.Seek(0);
+ foo[3] = 0;
+ OString aTwo = read_zeroTerminated_uInt8s_ToOString(aMemStream);
+ CPPUNIT_ASSERT_EQUAL(OString("foo"), aTwo);
+ CPPUNIT_ASSERT(aMemStream.good());
+ }
+
+ void Test::test_read_pstring()
+ {
+ char foo[] = "\3foobar";
+ SvMemoryStream aMemStream(foo, SAL_N_ELEMENTS(foo)-1, StreamMode::READ);
+
+ OString aFoo = read_uInt8_lenPrefixed_uInt8s_ToOString(aMemStream);
+ CPPUNIT_ASSERT_EQUAL(OString("foo"), aFoo);
+ CPPUNIT_ASSERT(aMemStream.good());
+ CPPUNIT_ASSERT(!aMemStream.bad());
+ CPPUNIT_ASSERT(!aMemStream.eof());
+
+ aMemStream.Seek(0);
+ foo[0] = 10;
+ aFoo = read_uInt8_lenPrefixed_uInt8s_ToOString(aMemStream);
+ CPPUNIT_ASSERT_EQUAL(OString("foobar"), aFoo);
+ CPPUNIT_ASSERT(!aMemStream.good());
+ CPPUNIT_ASSERT(!aMemStream.bad());
+ CPPUNIT_ASSERT(aMemStream.eof());
+
+ aMemStream.SetEndian(SvStreamEndian::BIG);
+ aMemStream.Seek(0);
+ foo[0] = 0;
+ foo[1] = 3;
+ aFoo = read_uInt16_lenPrefixed_uInt8s_ToOString(aMemStream);
+ CPPUNIT_ASSERT_EQUAL(OString("oob"), aFoo);
+ CPPUNIT_ASSERT(aMemStream.good());
+ CPPUNIT_ASSERT(!aMemStream.bad());
+ CPPUNIT_ASSERT(!aMemStream.eof());
+ }
+
+ void Test::test_readline()
+ {
+ char foo[] = "foo\nbar\n\n";
+ SvMemoryStream aMemStream(foo, SAL_N_ELEMENTS(foo)-1, StreamMode::READ);
+
+ OString aFoo;
+ bool bRet;
+
+ bRet = aMemStream.ReadLine(aFoo);
+ CPPUNIT_ASSERT(bRet);
+ CPPUNIT_ASSERT_EQUAL(OString("foo"), aFoo);
+ CPPUNIT_ASSERT(aMemStream.good());
+
+ bRet = aMemStream.ReadLine(aFoo);
+ CPPUNIT_ASSERT(bRet);
+ CPPUNIT_ASSERT_EQUAL(OString("bar"), aFoo);
+ CPPUNIT_ASSERT(aMemStream.good());
+
+ bRet = aMemStream.ReadLine(aFoo);
+ CPPUNIT_ASSERT(bRet);
+ CPPUNIT_ASSERT(aFoo.isEmpty());
+ CPPUNIT_ASSERT(aMemStream.good());
+
+ bRet = aMemStream.ReadLine(aFoo);
+ CPPUNIT_ASSERT(!bRet);
+ CPPUNIT_ASSERT(aFoo.isEmpty());
+ CPPUNIT_ASSERT(aMemStream.eof());
+
+ foo[3] = 0; //test reading embedded nulls
+
+ aMemStream.Seek(0);
+ bRet = aMemStream.ReadLine(aFoo);
+ CPPUNIT_ASSERT(bRet);
+ CPPUNIT_ASSERT_EQUAL(sal_Int32(7), aFoo.getLength());
+ CPPUNIT_ASSERT_EQUAL('\0', aFoo[3]);
+ CPPUNIT_ASSERT(aMemStream.good());
+
+ std::string sStr(foo, RTL_CONSTASCII_LENGTH(foo));
+ std::istringstream iss(sStr, std::istringstream::in);
+ std::getline(iss, sStr, '\n');
+ //embedded null read as expected
+ CPPUNIT_ASSERT_EQUAL(std::string::size_type(7), sStr.size());
+ CPPUNIT_ASSERT_EQUAL('\0', sStr[3]);
+ CPPUNIT_ASSERT(iss.good());
+
+ bRet = aMemStream.ReadLine(aFoo);
+ CPPUNIT_ASSERT(bRet);
+ CPPUNIT_ASSERT(aFoo.isEmpty());
+ CPPUNIT_ASSERT(aMemStream.good());
+
+ std::getline(iss, sStr, '\n');
+ CPPUNIT_ASSERT(sStr.empty());
+ CPPUNIT_ASSERT(iss.good());
+
+ bRet = aMemStream.ReadLine(aFoo);
+ CPPUNIT_ASSERT(!bRet);
+ CPPUNIT_ASSERT(aFoo.isEmpty());
+ CPPUNIT_ASSERT(aMemStream.eof());
+ CPPUNIT_ASSERT(!aMemStream.bad());
+
+ std::getline(iss, sStr, '\n');
+ CPPUNIT_ASSERT(sStr.empty());
+ CPPUNIT_ASSERT(iss.eof());
+ CPPUNIT_ASSERT(!iss.bad());
+
+ char bar[] = "foo";
+ SvMemoryStream aMemStreamB(bar, SAL_N_ELEMENTS(bar)-1, StreamMode::READ);
+ bRet = aMemStreamB.ReadLine(aFoo);
+ CPPUNIT_ASSERT(bRet);
+ CPPUNIT_ASSERT_EQUAL(OString("foo"), aFoo);
+ CPPUNIT_ASSERT(!aMemStreamB.eof()); //<-- diff A
+
+ std::istringstream issB(bar, std::istringstream::in);
+ std::getline(issB, sStr, '\n');
+ CPPUNIT_ASSERT_EQUAL(std::string("foo"), sStr);
+ CPPUNIT_ASSERT(issB.eof()); //<-- diff A
+ }
+
+ void Test::test_write_unicode()
+ {
+ const OUString write("abc");
+ utl::TempFile aTempFile(u"test_write_unicode");
+ aTempFile.EnableKillingFile();
+ {
+ SvStream& s = *aTempFile.GetStream(StreamMode::WRITE);
+ s.SetEndian(SvStreamEndian::BIG);
+ if (!s.IsEndianSwap())
+ s.SetEndian(SvStreamEndian::LITTLE);
+ CPPUNIT_ASSERT(s.IsEndianSwap());
+ // StartWritingUnicodeText must switch to no endian swapping and write 0xfeff
+ s.StartWritingUnicodeText();
+ // Without the fix in place, this would fail
+ CPPUNIT_ASSERT(!s.IsEndianSwap());
+ s.WriteUnicodeOrByteText(write, RTL_TEXTENCODING_UNICODE);
+ aTempFile.CloseStream();
+ }
+ {
+ SvStream& s = *aTempFile.GetStream(StreamMode::READ);
+ s.SetEndian(SvStreamEndian::BIG);
+ if (!s.IsEndianSwap())
+ s.SetEndian(SvStreamEndian::LITTLE);
+ CPPUNIT_ASSERT(s.IsEndianSwap());
+ s.StartReadingUnicodeText(RTL_TEXTENCODING_DONTKNOW);
+ CPPUNIT_ASSERT(!s.IsEndianSwap());
+ CPPUNIT_ASSERT_EQUAL(sal_uInt64(2), s.Tell()); // after BOM
+ OUString read;
+ CPPUNIT_ASSERT(s.ReadUniOrByteStringLine(read, RTL_TEXTENCODING_UNICODE));
+ // Without the fix in place, this would fail with
+ // - Expected: abc
+ // - Actual : 愀戀挀
+ CPPUNIT_ASSERT_EQUAL(write, read);
+ aTempFile.CloseStream();
+ }
+ }
+
+ CPPUNIT_TEST_SUITE_REGISTRATION(Test);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */