sal/qa/rtl/oustringbuffer/test_oustringbuffer_appenduninitialized.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  */
   9
  10 #include <sal/config.h>
  11
  12 #include <cppunit/TestAssert.h>
  13 #include <cppunit/TestFixture.h>
  14 #include <cppunit/extensions/HelperMacros.h>
  15 #include <rtl/ustrbuf.hxx>
  16 #include <sal/types.h>
  17
  18 namespace {
  19
  20 class Test: public CppUnit::TestFixture {
  21 private:
  22     void testEmpty();
  23
  24     void testNonEmpty();
  25
  26     void testZero();
  27
  28     CPPUNIT_TEST_SUITE(Test);
  29     CPPUNIT_TEST(testEmpty);
  30     CPPUNIT_TEST(testNonEmpty);
  31     CPPUNIT_TEST(testZero);
  32     CPPUNIT_TEST_SUITE_END();
  33 };
  34
  35 void Test::testEmpty() {
  36     OUStringBuffer s;
  37     CPPUNIT_ASSERT_EQUAL(sal_Int32(0), s.getLength());
  38     sal_Unicode * p = s.appendUninitialized(5);
  39     CPPUNIT_ASSERT_EQUAL(
  40         static_cast<void const *>(s.getStr()), static_cast<void const *>(p));
  41     CPPUNIT_ASSERT_EQUAL(sal_Int32(5), s.getLength());
  42 }
  43
  44 void Test::testNonEmpty() {
  45     OUStringBuffer s("ab");
  46     CPPUNIT_ASSERT_EQUAL(sal_Int32(2), s.getLength());
  47     sal_Unicode * p = s.appendUninitialized(5);
  48     CPPUNIT_ASSERT_EQUAL(
  49         static_cast<void const *>(s.getStr() + 2),
  50         static_cast<void const *>(p));
  51     CPPUNIT_ASSERT_EQUAL(sal_Int32(7), s.getLength());
  52 }
  53
  54 void Test::testZero() {
  55     OUStringBuffer s;
  56     sal_Unicode * p = s.appendUninitialized(0);
  57     CPPUNIT_ASSERT_EQUAL(
  58         static_cast<void const *>(s.getStr()), static_cast<void const *>(p));
  59     CPPUNIT_ASSERT_EQUAL(sal_Int32(0), s.getLength());
  60 }
  61
  62 CPPUNIT_TEST_SUITE_REGISTRATION(Test);
  63
  64 }
  65
  66 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */