vendor Catch2 and ETL

contrib/fsfw_contrib/etl-20.39.4/test/test_threshold.cpp

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+/******************************************************************************
+The MIT License(MIT)
+
+Embedded Template Library.
+https://github.com/ETLCPP/etl
+https://www.etlcpp.com
+
+Copyright(c) 2021 John Wellbelove
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files(the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions :
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+******************************************************************************/
+
+#include "unit_test_framework.h"
+
+#include "etl/threshold.h"
+
+#include <array>
+#include <algorithm>
+#include <math.h>
+
+namespace
+{
+  constexpr size_t Size = 10U;
+ 
+  using IntThreshold        = etl::threshold<int>;
+  using IntThresholdGreater = etl::threshold<int, std::greater<int>>;
+
+  using DoubleThreshold        = etl::threshold<double>;
+  using DoubleThresholdGreater = etl::threshold<double, std::greater<double>>;
+
+  struct Compare
+  {
+    bool operator ()(double lhs, double rhs) const
+    {
+      return fabs(lhs - rhs) < 0.1;
+    }
+  };
+
+  //***********************************
+  const std::array<int, Size> input1 = 
+  { 
+    0, 1, 2, 3, 4, 5, 6, 7, 8, 9
+  };
+
+  const std::array<int, Size> result1a = 
+  { 
+    0, 0, 0, 0, 9, 9, 9, 9, 9, 9
+  };
+
+  const std::array<int, Size> result1b = 
+  { 
+    9, 9, 9, 9, 9, 0, 0, 0, 0, 0
+  };
+
+  std::array<int, Size> output1;
+
+  //***********************************
+  const std::array<double, Size> input2 = 
+  { 
+    0.0, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0
+  };
+
+  const std::array<double, Size> result2a = 
+  { 
+    0.0, 0.0, 0.0, 0.0, 9.0, 9.0, 9.0, 9.0, 9.0, 9.0
+  };
+
+  const std::array<double, Size> result2b = 
+  { 
+    9.0, 9.0, 9.0, 9.0, 9.0, 0.0, 0.0, 0.0, 0.0, 0.0
+  };
+
+  std::array<double, Size> output2;
+
+  SUITE(test_threshold)
+  {
+    //*************************************************************************
+    TEST(test_int_threshold)
+    {
+      IntThreshold threshold(4, 0, 9);
+
+      std::transform(input1.begin(), input1.end(), output1.begin(), threshold);
+
+      bool isEqual = std::equal(output1.begin(), output1.end(), result1a.begin());
+      CHECK(isEqual);
+    }
+
+    //*************************************************************************
+    TEST(test_int_threshold_greater)
+    {
+      IntThresholdGreater threshold(4, 0, 9);
+
+      std::transform(input1.begin(), input1.end(), output1.begin(), threshold);
+
+      bool isEqual = std::equal(output1.begin(), output1.end(), result1b.begin());
+      CHECK(isEqual);
+    }
+
+    //*************************************************************************
+    TEST(test_double_threshold)
+    {
+      DoubleThreshold threshold(4, 0, 9);
+
+      std::transform(input2.begin(), input2.end(), output2.begin(), threshold);
+
+      bool isEqual = std::equal(output2.begin(), output2.end(), result2a.begin(), Compare());
+      CHECK(isEqual);
+    }
+
+    //*************************************************************************
+    TEST(test_double_threshold_greater)
+    {
+      DoubleThresholdGreater threshold(4, 0, 9);
+
+      std::transform(input2.begin(), input2.end(), output2.begin(), threshold);
+
+      bool isEqual = std::equal(output2.begin(), output2.end(), result2b.begin(), Compare());
+      CHECK(isEqual);
+    }
+  };
+}