sal/qa/rtl/oustringbuffer/test_oustringbuffer_assign.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 <string_view>
  13
  14 #include <cppunit/TestFixture.h>
  15 #include <cppunit/TestAssert.h>
  16 #include <cppunit/extensions/HelperMacros.h>
  17
  18 #include <o3tl/cppunittraitshelper.hxx>
  19 #include <rtl/ustrbuf.hxx>
  20 #include <rtl/ustring.hxx>
  21
  22 namespace
  23 {
  24 class Test : public CppUnit::TestFixture
  25 {
  26 private:
  27     void test()
  28     {
  29         OUStringBuffer b1;
  30         OUString s1("123456789012345");
  31         b1 = s1;
  32         CPPUNIT_ASSERT_EQUAL(s1, b1.toString());
  33         CPPUNIT_ASSERT_EQUAL(sal_Int32(16), b1.getCapacity());
  34         OUString s2("abc");
  35         b1 = s2;
  36         CPPUNIT_ASSERT_EQUAL(s2, b1.toString());
  37         CPPUNIT_ASSERT_EQUAL(sal_Int32(16), b1.getCapacity());
  38         OUString s3("1234567890123456");
  39         b1 = s3;
  40         CPPUNIT_ASSERT_EQUAL(s3, b1.toString());
  41         CPPUNIT_ASSERT_EQUAL(sal_Int32(32), b1.getCapacity());
  42         OUStringBuffer b2;
  43         b2 = "123456789012345";
  44         CPPUNIT_ASSERT_EQUAL(s1, b2.toString());
  45         CPPUNIT_ASSERT_EQUAL(sal_Int32(16), b2.getCapacity());
  46         b2 = "abc";
  47         CPPUNIT_ASSERT_EQUAL(s2, b2.toString());
  48         CPPUNIT_ASSERT_EQUAL(sal_Int32(16), b2.getCapacity());
  49         b2 = "1234567890123456";
  50         CPPUNIT_ASSERT_EQUAL(s3, b2.toString());
  51         CPPUNIT_ASSERT_EQUAL(sal_Int32(32), b2.getCapacity());
  52         OUStringBuffer b3;
  53         b3 = u"123456789012345";
  54         CPPUNIT_ASSERT_EQUAL(s1, b3.toString());
  55         CPPUNIT_ASSERT_EQUAL(sal_Int32(16), b3.getCapacity());
  56         b3 = u"abc";
  57         CPPUNIT_ASSERT_EQUAL(s2, b3.toString());
  58         CPPUNIT_ASSERT_EQUAL(sal_Int32(16), b3.getCapacity());
  59         b3 = u"1234567890123456";
  60         CPPUNIT_ASSERT_EQUAL(s3, b3.toString());
  61         CPPUNIT_ASSERT_EQUAL(sal_Int32(32), b3.getCapacity());
  62         OUStringBuffer b4;
  63         b4 = OUStringLiteral(u"1") + "23456789012345";
  64         CPPUNIT_ASSERT_EQUAL(s1, b4.toString());
  65         CPPUNIT_ASSERT_EQUAL(sal_Int32(16), b4.getCapacity());
  66         b4 = OUStringLiteral(u"a") + "bc";
  67         CPPUNIT_ASSERT_EQUAL(s2, b4.toString());
  68         CPPUNIT_ASSERT_EQUAL(sal_Int32(16), b4.getCapacity());
  69         b4 = OUStringLiteral(u"1") + "234567890123456";
  70         CPPUNIT_ASSERT_EQUAL(s3, b4.toString());
  71         CPPUNIT_ASSERT_EQUAL(sal_Int32(32), b4.getCapacity());
  72         b4 = OUStringChar('a');
  73         CPPUNIT_ASSERT_EQUAL(sal_Int32(1), b4.getLength());
  74         CPPUNIT_ASSERT_EQUAL(u'a', b4.getStr()[0]);
  75         CPPUNIT_ASSERT_EQUAL(u'\0', b4.getStr()[1]);
  76         b4 = std::u16string_view(u"abc").substr(
  77             0, 2); // avoid the string_view accidentally being NUL-terminated
  78         CPPUNIT_ASSERT_EQUAL(sal_Int32(2), b4.getLength());
  79         CPPUNIT_ASSERT_EQUAL(u'a', b4.getStr()[0]);
  80         CPPUNIT_ASSERT_EQUAL(u'b', b4.getStr()[1]);
  81         CPPUNIT_ASSERT_EQUAL(u'\0', b4.getStr()[2]);
  82     }
  83
  84     CPPUNIT_TEST_SUITE(Test);
  85     CPPUNIT_TEST(test);
  86     CPPUNIT_TEST_SUITE_END();
  87 };
  88 }
  89
  90 CPPUNIT_TEST_SUITE_REGISTRATION(Test);
  91
  92 /* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */