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  1. #ifndef UNITTEST_CHECKS_H
  2. #define UNITTEST_CHECKS_H
  3.  
  4. #include "Config.h"
  5. #include "TestResults.h"
  6. #include "MemoryOutStream.h"
  7.  
  8. namespace UnitTest {
  9.  
  10.  
  11.    template< typename Value >
  12.    bool Check(Value const& value)
  13.    {
  14.       return !!value; // doing double negative to avoid silly VS warnings
  15.    }
  16.  
  17.  
  18.    template< typename Expected, typename Actual >
  19.    void CheckEqual(TestResults& results, Expected const& expected, Actual const& actual, TestDetails const& details)
  20.    {
  21.       if (!(expected == actual))
  22.       {
  23.          UnitTest::MemoryOutStream stream;
  24.          stream << "Expected " << expected << " but was " << actual;
  25.  
  26.          results.OnTestFailure(details, stream.GetText());
  27.       }
  28.    }
  29.  
  30.    UNITTEST_LINKAGE void CheckEqual(TestResults& results, char const* expected, char const* actual, TestDetails const& details);
  31.  
  32.    UNITTEST_LINKAGE void CheckEqual(TestResults& results, char* expected, char* actual, TestDetails const& details);
  33.  
  34.    UNITTEST_LINKAGE void CheckEqual(TestResults& results, char* expected, char const* actual, TestDetails const& details);
  35.  
  36.    UNITTEST_LINKAGE void CheckEqual(TestResults& results, char const* expected, char* actual, TestDetails const& details);
  37.  
  38.    template< typename Expected, typename Actual, typename Tolerance >
  39.    bool AreClose(Expected const& expected, Actual const& actual, Tolerance const& tolerance)
  40.    {
  41.       return (actual >= (expected - tolerance)) && (actual <= (expected + tolerance));
  42.    }
  43.  
  44.    template< typename Expected, typename Actual, typename Tolerance >
  45.    void CheckClose(TestResults& results, Expected const& expected, Actual const& actual, Tolerance const& tolerance,
  46.                    TestDetails const& details)
  47.    {
  48.       if (!AreClose(expected, actual, tolerance))
  49.       {
  50.          UnitTest::MemoryOutStream stream;
  51.          stream << "Expected " << expected << " +/- " << tolerance << " but was " << actual;
  52.  
  53.          results.OnTestFailure(details, stream.GetText());
  54.       }
  55.    }
  56.  
  57.  
  58.    template< typename Expected, typename Actual >
  59.    void CheckArrayEqual(TestResults& results, Expected const& expected, Actual const& actual,
  60.                         size_t const count, TestDetails const& details)
  61.    {
  62.       bool equal = true;
  63.       for (size_t i = 0; i < count; ++i)
  64.          equal &= (expected[i] == actual[i]);
  65.  
  66.       if (!equal)
  67.       {
  68.          UnitTest::MemoryOutStream stream;
  69.  
  70.          stream << "Expected [ ";
  71.  
  72.          for (size_t expectedIndex = 0; expectedIndex < count; ++expectedIndex)
  73.             stream << expected[expectedIndex] << " ";
  74.  
  75.          stream << "] but was [ ";
  76.  
  77.          for (size_t actualIndex = 0; actualIndex < count; ++actualIndex)
  78.             stream << actual[actualIndex] << " ";
  79.  
  80.          stream << "]";
  81.  
  82.          results.OnTestFailure(details, stream.GetText());
  83.       }
  84.    }
  85.  
  86.    template< typename Expected, typename Actual, typename Tolerance >
  87.    bool ArrayAreClose(Expected const& expected, Actual const& actual, size_t const count, Tolerance const& tolerance)
  88.    {
  89.       bool equal = true;
  90.       for (size_t i = 0; i < count; ++i)
  91.          equal &= AreClose(expected[i], actual[i], tolerance);
  92.       return equal;
  93.    }
  94.  
  95.    template< typename Expected, typename Actual, typename Tolerance >
  96.    void CheckArrayClose(TestResults& results, Expected const& expected, Actual const& actual,
  97.                         size_t const count, Tolerance const& tolerance, TestDetails const& details)
  98.    {
  99.       bool equal = ArrayAreClose(expected, actual, count, tolerance);
  100.  
  101.       if (!equal)
  102.       {
  103.          UnitTest::MemoryOutStream stream;
  104.  
  105.          stream << "Expected [ ";
  106.          for (size_t expectedIndex = 0; expectedIndex < count; ++expectedIndex)
  107.             stream << expected[expectedIndex] << " ";
  108.          stream << "] +/- " << tolerance << " but was [ ";
  109.  
  110.          for (size_t actualIndex = 0; actualIndex < count; ++actualIndex)
  111.             stream << actual[actualIndex] << " ";
  112.          stream << "]";
  113.  
  114.          results.OnTestFailure(details, stream.GetText());
  115.       }
  116.    }
  117.  
  118.    template< typename Expected, typename Actual, typename Tolerance >
  119.    void CheckArray2DClose(TestResults& results, Expected const& expected, Actual const& actual,
  120.                           size_t const rows, size_t const columns, Tolerance const& tolerance, TestDetails const& details)
  121.    {
  122.       bool equal = true;
  123.       for (size_t i = 0; i < rows; ++i)
  124.          equal &= ArrayAreClose(expected[i], actual[i], columns, tolerance);
  125.  
  126.       if (!equal)
  127.       {
  128.          UnitTest::MemoryOutStream stream;
  129.  
  130.          stream << "Expected [ ";
  131.  
  132.          for (size_t expectedRow = 0; expectedRow < rows; ++expectedRow)
  133.          {
  134.             stream << "[ ";
  135.             for (size_t expectedColumn = 0; expectedColumn < columns; ++expectedColumn)
  136.                stream << expected[expectedRow][expectedColumn] << " ";
  137.             stream << "] ";
  138.          }
  139.  
  140.          stream << "] +/- " << tolerance << " but was [ ";
  141.  
  142.          for (size_t actualRow = 0; actualRow < rows; ++actualRow)
  143.          {
  144.             stream << "[ ";
  145.             for (size_t actualColumn = 0; actualColumn < columns; ++actualColumn)
  146.                stream << actual[actualRow][actualColumn] << " ";
  147.             stream << "] ";
  148.          }
  149.  
  150.          stream << "]";
  151.  
  152.          results.OnTestFailure(details, stream.GetText());
  153.       }
  154.    }
  155.  
  156. }
  157.  
  158. #endif
  159.