Added back() tests

test/test_queue.cpp

@@ -0,0 +1,344 @@
+/******************************************************************************
+The MIT License(MIT)
+
+Embedded Template Library.
+
+Copyright(c) 2014 jwellbelove
+
+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 <UnitTest++/UnitTest++.h>
+
+#include "../queue.h"
+
+namespace
+{		
+  SUITE(TestQueue)
+  {
+    //*************************************************************************
+    TEST(Size)
+    {
+      etl::queue<int, 4> queue;
+
+      queue.push(1);
+      queue.push(2);
+      queue.push(3);
+
+      CHECK_EQUAL(3, queue.size());
+    }
+
+    //*************************************************************************
+    TEST(Capacity)
+    {
+      etl::queue<int, 4> queue;
+
+      CHECK_EQUAL(4, queue.capacity());
+    }
+
+    //*************************************************************************
+    TEST(Clear)
+    {
+      etl::queue<int, 4> queue;
+
+      queue.push(1);
+      queue.push(2);
+      queue.clear();
+      CHECK_EQUAL(0, queue.size());
+    }
+
+    //*************************************************************************
+    TEST(Empty)
+    {
+      etl::queue<int, 4> queue;
+
+      CHECK(queue.empty());
+
+      queue.push(1);
+
+      CHECK(!queue.empty());
+    }
+
+    //*************************************************************************
+    TEST(Full)
+    {
+      etl::queue<int, 4> queue;
+
+      CHECK(!queue.full());
+
+      queue.push(1);
+      queue.push(2);
+      queue.push(3);
+      queue.push(4);
+
+      CHECK(queue.full());
+    }
+
+    //*************************************************************************
+    TEST(Push)
+    {
+      etl::queue<int, 4> queue;
+
+      queue.push(1);
+      CHECK_EQUAL(1, queue.size());
+
+      queue.push(2);
+      CHECK_EQUAL(2, queue.size());
+
+      CHECK_EQUAL(1, queue.front());
+
+      queue.pop();
+      CHECK_EQUAL(2, queue.front());
+    }
+
+    //*************************************************************************
+    TEST(PushVoid)
+    {
+      etl::queue<int, 4> queue;
+
+      queue.push() = 1;
+      CHECK_EQUAL(1, queue.size());
+
+      queue.push() = 2;
+      CHECK_EQUAL(2, queue.size());
+
+      CHECK_EQUAL(1, queue.front());
+
+      queue.pop();
+      CHECK_EQUAL(2, queue.front());
+    }
+
+    //*************************************************************************
+    TEST(PushExcess)
+    {
+      etl::queue<int, 4> queue;
+
+      bool gotException = false;
+
+      try
+      {
+        for (size_t i = 0; i < queue.capacity() + 1; ++i)
+        {
+          queue.push(1);
+        }
+      }
+      catch (etl::queue_full_exception&)
+      {
+        gotException = true;
+      }
+      catch (...)
+      {
+        CHECK(false);
+      }
+
+      CHECK(gotException);
+    }
+
+    //*************************************************************************
+    TEST(Pop)
+    {
+      etl::queue<int, 4> queue;
+
+      queue.push(1);
+      queue.push(2);
+      queue.pop();
+      CHECK_EQUAL(1, queue.size());
+    }
+
+    //*************************************************************************
+    TEST(Front)
+    {
+      etl::queue<int, 4> queue;
+
+      queue.push(1);
+      queue.push(2);
+      queue.push(3);
+
+      CHECK_EQUAL(1, queue.front());
+
+      queue.pop();
+      CHECK_EQUAL(2, queue.front());
+
+      queue.pop();
+      CHECK_EQUAL(3, queue.front());
+    }
+
+    //*************************************************************************
+    TEST(FrontConst)
+    {
+      etl::queue<int, 4> queue;
+      const etl::queue<int, 4>& constQueue = queue;
+
+      queue.push(1);
+      queue.push(2);
+      queue.push(3);
+
+      CHECK_EQUAL(1, constQueue.front());
+
+      queue.pop();
+      CHECK_EQUAL(2, constQueue.front());
+
+      queue.pop();
+      CHECK_EQUAL(3, constQueue.front());
+    }
+
+    //*************************************************************************
+    TEST(FrontException)
+    {
+      etl::queue<int, 4> queue;
+
+      bool gotException = false;
+
+      try
+      {
+        queue.front();
+      }
+      catch (etl::queue_empty_exception&)
+      {
+        gotException = true;
+      }
+      catch (...)
+      {
+        CHECK(false);
+      }
+
+      CHECK(gotException);
+    }
+
+    //*************************************************************************
+    TEST(Back)
+    {
+      etl::queue<int, 4> queue;
+
+      queue.push(1);
+      CHECK_EQUAL(1, queue.back());
+
+      queue.push(2);
+      CHECK_EQUAL(2, queue.back());
+
+      queue.push(3);
+      CHECK_EQUAL(3, queue.back());
+    }
+
+    //*************************************************************************
+    TEST(BackConst)
+    {
+      etl::queue<int, 4> queue;
+      const etl::queue<int, 4>& constQueue = queue;
+
+      queue.push(1);
+      CHECK_EQUAL(1, constQueue.back());
+
+      queue.push(2);
+      CHECK_EQUAL(2, constQueue.back()); 
+      
+      queue.push(3);
+      CHECK_EQUAL(3, constQueue.back());
+    }
+
+    //*************************************************************************
+    TEST(BackException)
+    {
+      etl::queue<int, 4> queue;
+
+      bool gotException = false;
+
+      try
+      {
+        queue.back();
+      }
+      catch (etl::queue_empty_exception&)
+      {
+        gotException = true;
+      }
+      catch (...)
+      {
+        CHECK(false);
+      }
+
+      CHECK(gotException);
+    }
+
+    //*************************************************************************
+    TEST(CheckMultiplePush)
+    {
+      etl::queue<int, 4> queue;
+
+      queue.push(1);
+      queue.push(2);
+      queue.push(3);
+
+      bool pass = true;
+
+      if (queue.front() != 1)
+      {
+        pass = false;
+      }
+
+      queue.pop();
+
+      if (queue.front() != 2)
+      {
+        pass = false;
+      }
+
+      queue.pop();
+
+      if (queue.front() != 3)
+      {
+        pass = false;
+      }
+
+      CHECK(pass);
+    }
+
+    //*************************************************************************
+    TEST(CheckMultiplePushVoid)
+    {
+      etl::queue<int, 4> queue;
+
+      queue.push() = 1;
+      queue.push() = 2;
+      queue.push() = 3;
+
+      bool pass = true;
+
+      if (queue.front() != 1)
+      {
+        pass = false;
+      }
+
+      queue.pop();
+
+      if (queue.front() != 2)
+      {
+        pass = false;
+      }
+
+      queue.pop();
+
+      if (queue.front() != 3)
+      {
+        pass = false;
+      }
+
+      CHECK(pass);
+    }
+  };
+}