Initial commit

test/CMakeLists.txt

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+find_package(unity REQUIRED)
+include_directories("${CMAKE_CURRENT_SOURCE_DIR}")
+add_executable(testing 
+    ./testing.cpp
+    ../src/knapsack.cpp
+)
+set_target_properties(testing PROPERTIES LINKER_LANGUAGE CXX)
+target_link_libraries(testing unity)

test/test1.txt

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+4 6
+2 4
+1 5
+2 1
+3 2

test/test2.txt

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+3 4
+4 1
+5 2
+1 3

test/test3.txt

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+3 3
+4 1
+5 2
+6 3

test/testing.cpp

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+#include <unity/unity.h>
+#include <unity/unity_internals.h>
+#include <vector>
+#include "knapsack.hpp"
+    
+// Function is defined here for testing
+namespace knapsack
+{
+    void User::_TestFileReadIn(std::vector<PossibleObject> testChoices)
+    {
+        TEST_ASSERT_EQUAL_INT(4, itemCount);
+        TEST_ASSERT_EQUAL_INT(6, limit);
+        for (int i = 0; i < itemCount; ++i)
+        {
+            TEST_ASSERT_EQUAL_INT(testChoices.at(i).weight, choices.at(i).weight);
+            TEST_ASSERT_EQUAL_INT(testChoices.at(i).value, choices.at(i).value);
+            TEST_ASSERT_EQUAL_INT(testChoices.at(i).itemNumber, choices.at(i).itemNumber);
+        }
+    }
+
+    void User::_TestKnapsack(void)
+    {
+        RunKnapsack();
+        TEST_ASSERT_NOT_EQUAL(0, solution.size());
+        int resultValue = 0;
+        for (auto object : solution)
+            resultValue += object->value;
+        TEST_ASSERT_EQUAL_INT(11, resultValue);
+        TEST_ASSERT_EQUAL_INT(3, solution.size());
+    }
+}
+
+void setUp(void)
+{
+    ;
+}
+
+void tearDown(void)
+{
+    ;
+}
+
+void test_User_should_ReadInDataCorrectly(void)
+{
+    knapsack::User testUser;
+    const char* testFilename = "test/test1.txt";
+    testUser.ReadNewFile(testFilename);
+    std::vector<knapsack::PossibleObject> testChoices;
+    testChoices.emplace_back(2, 4, 0);
+    testChoices.emplace_back(1, 5, 1);
+    testChoices.emplace_back(2, 1, 2);
+    testChoices.emplace_back(3, 2, 3);
+    testUser._TestFileReadIn(testChoices);
+}
+
+void test_KnapsackAlgorithm_should_PassTest1(void)
+{
+    knapsack::User testUser;
+    const char* testFilename = "test/test1.txt";
+    testUser.ReadNewFile(testFilename);
+    testUser._TestKnapsack();
+}
+
+void test_KnapsackAlgorithm_should_PassTest2(void)
+{
+    knapsack::User testUser;
+    const char* testFilename = "test/test2.txt";
+    testUser.ReadNewFile(testFilename);
+    testUser.RunKnapsack();
+    TEST_ASSERT_EQUAL_INT(3, testUser.GetSolutionValue());
+}
+
+void test_KnapsackAlgorithm_should_PassTest3(void)
+{
+    knapsack::User testUser;
+    const char* testFilename = "test/test3.txt";
+    testUser.ReadNewFile(testFilename);
+    testUser.RunKnapsack();
+    TEST_ASSERT_EQUAL_INT(0, testUser.GetSolutionValue());
+}
+
+int main(void)
+{
+    UNITY_BEGIN();
+    RUN_TEST(test_User_should_ReadInDataCorrectly);
+    RUN_TEST(test_KnapsackAlgorithm_should_PassTest1);
+    RUN_TEST(test_KnapsackAlgorithm_should_PassTest2);
+    RUN_TEST(test_KnapsackAlgorithm_should_PassTest3);
+    return UNITY_END();
+}