Quelle  test_cpy_wrt_file.cxx   Sprache: C

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#include <sal/types.h>
#include <cppunit/TestFixture.h>
#include <cppunit/extensions/HelperMacros.h>
#include <osl/file.hxx>
#include <rtl/ustring.hxx>

using namespace osl;

class test_osl_writeFile : public CppUnit::TestFixture
{
public:
    void wrt_file()
    {
        FileBase::RC err;

        //create a tempfile
        OUString aTmpFile;
        err = FileBase::createTempFile(nullptr, nullptr, &aTmpFile);
        CPPUNIT_ASSERT_EQUAL_MESSAGE("temp File creation failed", osl::FileBase::E_None, err);

        //now attempt to open with Create flag an existing file, should get E_EXIST
        File tmp_file(aTmpFile);
        err = tmp_file.open(osl_File_OpenFlag_Write | osl_File_OpenFlag_Create);

        OString sErrorMsg = "Expected that '" +
            OUStringToOString(aTmpFile, RTL_TEXTENCODING_ASCII_US) +
            "' would exist!";
        CPPUNIT_ASSERT_EQUAL_MESSAGE(sErrorMsg.getStr(), FileBase::E_EXIST, err);

        char buffer[1];
        sal_uInt64 written = 0;
        err = tmp_file.write(static_cast<void*>(buffer), sizeof(buffer), written);
        CPPUNIT_ASSERT_MESSAGE("write on unconnected file should fail",
            err != osl::FileBase::E_None);
        CPPUNIT_ASSERT_EQUAL_MESSAGE("write on unconnected file should fail",
            sal_uInt64(0), written);

        err = tmp_file.sync();
        CPPUNIT_ASSERT_MESSAGE("sync on unconnected file should fail", err != FileBase::E_None);
        err = tmp_file.close();
        CPPUNIT_ASSERT_MESSAGE("close on unconnected file should fail", err != FileBase::E_None);

        err = ::osl::File::remove(aTmpFile);
        CPPUNIT_ASSERT_EQUAL_MESSAGE("temp file should have existed", FileBase::E_None, err);
    }

    CPPUNIT_TEST_SUITE(test_osl_writeFile);
    CPPUNIT_TEST(wrt_file);
    CPPUNIT_TEST_SUITE_END();
};

// register test suites
CPPUNIT_TEST_SUITE_REGISTRATION(test_osl_writeFile);

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