tools/qa/cppunit/test_minmax.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
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  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <sal/types.h>
  21 #include <cppunit/TestFixture.h>
  22 #include <cppunit/extensions/HelperMacros.h>
  23
  24 #include <tools/helpers.hxx>
  25
  26 namespace tools
  27 {
  28 class MinMaxTest : public CppUnit::TestFixture
  29 {
  30 public:
  31     void testSignedMinMax()
  32     {
  33         sal_Int32 nSignedVal = -10;
  34         long nMin = 1;
  35         long nMax = 10;
  36         CPPUNIT_ASSERT_EQUAL(static_cast<sal_Int32>(nMin),
  37                              static_cast<sal_Int32>(MinMax(nSignedVal, nMin, nMax)));
  38
  39         nSignedVal = -10;
  40         nMin = -15;
  41         nMax = 10;
  42         CPPUNIT_ASSERT_EQUAL(nSignedVal, static_cast<sal_Int32>(MinMax(nSignedVal, nMin, nMax)));
  43
  44         nSignedVal = -15;
  45         nMin = -15;
  46         nMax = 10;
  47         CPPUNIT_ASSERT_EQUAL(nSignedVal, static_cast<sal_Int32>(MinMax(nSignedVal, nMin, nMax)));
  48     }
  49
  50     void testUnsignedMinMax()
  51     {
  52         sal_uInt32 nUnsignedVal = 5;
  53         long nMin = 1;
  54         long nMax = 10;
  55         CPPUNIT_ASSERT_EQUAL(nUnsignedVal,
  56                              static_cast<sal_uInt32>(MinMax(nUnsignedVal, nMin, nMax)));
  57
  58         nUnsignedVal = 5;
  59         nMin = 1;
  60         nMax = 5;
  61         CPPUNIT_ASSERT_EQUAL(nUnsignedVal,
  62                              static_cast<sal_uInt32>(MinMax(nUnsignedVal, nMin, nMax)));
  63
  64         nUnsignedVal = 5;
  65         nMin = 5;
  66         nMax = 5;
  67         CPPUNIT_ASSERT_EQUAL(nUnsignedVal,
  68                              static_cast<sal_uInt32>(MinMax(nUnsignedVal, nMin, nMax)));
  69
  70         nUnsignedVal = 10;
  71         nMin = -20;
  72         nMax = 15;
  73         CPPUNIT_ASSERT_EQUAL(nUnsignedVal,
  74                              static_cast<sal_uInt32>(MinMax(nUnsignedVal, nMin, nMax)));
  75
  76         nUnsignedVal = 20;
  77         nMin = 10;
  78         nMax = 15;
  79         CPPUNIT_ASSERT_EQUAL(static_cast<sal_uInt32>(nMax),
  80                              static_cast<sal_uInt32>(MinMax(nUnsignedVal, nMin, nMax)));
  81
  82         nUnsignedVal = 5;
  83         nMin = 10;
  84         nMax = 15; // irrelevant, but cannot be less than nMin
  85         CPPUNIT_ASSERT_EQUAL(static_cast<sal_uInt32>(nMin),
  86                              static_cast<sal_uInt32>(MinMax(nUnsignedVal, nMin, nMax)));
  87     }
  88
  89     CPPUNIT_TEST_SUITE(MinMaxTest);
  90     CPPUNIT_TEST(testSignedMinMax);
  91     CPPUNIT_TEST(testUnsignedMinMax);
  92     CPPUNIT_TEST_SUITE_END();
  93 };
  94
  95 CPPUNIT_TEST_SUITE_REGISTRATION(MinMaxTest);
  96 } // namespace tools
  97
  98 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */