TestCases Class Reference

class encapsulating the necessary test cases More...

Public Member Functions
void	runTests ()
	Executes test cases.
void	testCase_1 ()
	A test case contains edge case, printing inorder successor of last node.
void	testCase_2 ()
	A test case which contains main list of 100 elements and sublist of 20.
void	testCase_3 ()
	A test case which contains main list of 50 elements and sublist of 20.
void	runTests ()
	Executes test cases.
void	testCase_1 ()
	A test case contains edge case, Only contains one element.
void	testCase_2 ()
	A test case which contains main list of 100 elements and sublist of 20.
void	testCase_3 ()
	A test case which contains main list of 50 elements and sublist of 20.
void	runTests ()
	Executes test cases.
void	testCase_1 ()
	A test case with single input.
void	testCase_2 ()
	A test case with input array of length 500.
void	testCase_3 ()
	A test case with array of length 1000.

Private Member Functions
template<typename T >
void	log (T msg)
	A function to print given message on console.
template<typename T >
void	log (T msg)
	A function to print given message on console.
template<typename T >
void	log (T msg)
	A function to print64_t given message on console.

Detailed Description

class encapsulating the necessary test cases

a class containing the necessary test cases

Member Function Documentation

log() [1/3]

template<typename T >

void TestCases::log ( T msg )

inlineprivate

A function to print given message on console.

Template Parameters

T	Type of the given message.

Returns

void

                    {
        // It's just to avoid writing cout and endl
        std::cout << "[TESTS] : ---> " << msg << std::endl;
    }

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log() [2/3]

template<typename T >

void TestCases::log ( T msg )

inlineprivate

A function to print given message on console.

Template Parameters

T	Type of the given message.

Returns

void

                    {
        // It's just to avoid writing cout and endl
        std::cout << "[TESTS] : ---> " << msg << std::endl;
    }

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log() [3/3]

template<typename T >

void TestCases::log ( T msg )

inlineprivate

A function to print64_t given message on console.

Template Parameters

T	Type of the given message.

Returns

void

                    {
        // It's just to avoid writing cout and endl
        std::cout << "[TESTS] : ---> " << msg << std::endl;
    }

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runTests() [1/3]

void TestCases::runTests ( )

inline

Executes test cases.

Returns

void

                    {
        log("Running Tests...");
 
        testCase_1();
        testCase_2();
        testCase_3();
 
        log("Test Cases over!");
        std::cout << std::endl;
    }

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runTests() [2/3]

void TestCases::runTests ( )

inline

Executes test cases.

Returns

void

                    {
        log("Running Tests...");
 
        testCase_1();
        testCase_2();
        testCase_3();
 
        log("Test Cases over!");
        std::cout << std::endl;
    }

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runTests() [3/3]

void TestCases::runTests ( )

inline

Executes test cases.

Returns

void

                    {
        log("Running Tests...");
 
        testCase_1();
        testCase_2();
        testCase_3();
 
        log("Test Cases over!");
        std::cout << std::endl;
    }

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testCase_1() [1/3]

void TestCases::testCase_1 ( )

inline

A test case contains edge case, printing inorder successor of last node.

Returns

void

< Expected output of this test

< Data to make nodes in BST

< Adding nodes to BST

< Printing inorder to cross-verify.

< The inorder successor node for given data

memory cleanup!

                      {
        const operations_on_datastructures::inorder_traversal_of_bst::Node
            *expectedOutput = nullptr;  ///< Expected output of this test
 
        log("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~");
        log("This is test case 1 : ");
        log("Description:");
        log("   EDGE CASE : Printing inorder successor for last node in the "
            "BST, Output will be nullptr.");
 
        operations_on_datastructures::inorder_traversal_of_bst::Node *root =
            nullptr;
        std::vector<int64_t> node_data{
            20, 3, 5, 6, 2, 23, 45, 78, 21};  ///< Data to make nodes in BST
 
        root = operations_on_datastructures::inorder_traversal_of_bst::makeBST(
            root,
            node_data);  ///< Adding nodes to BST
 
        std::cout << "Inorder sequence is : ";
        operations_on_datastructures::inorder_traversal_of_bst::printInorder(
            root);  ///< Printing inorder to cross-verify.
        std::cout << std::endl;
 
        operations_on_datastructures::inorder_traversal_of_bst::Node
            *inorderSuccessor = operations_on_datastructures::
                inorder_traversal_of_bst::getInorderSuccessor(
                    root, 78);  ///< The inorder successor node for given data
 
        log("Checking assert expression...");
        assert(inorderSuccessor == expectedOutput);
        log("Assertion check passed!");
 
        operations_on_datastructures::inorder_traversal_of_bst::deallocate(
            root);  /// memory cleanup!
 
        log("[PASS] : TEST CASE 1 PASS!");
        log("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~");
    }

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testCase_1() [2/3]

void TestCases::testCase_1 ( )

inline

A test case contains edge case, Only contains one element.

Returns

void

< Expected output of this test

< Data to make linked list which will be the sublist

< Data to make linked list which will be the main list

< Sublist to be searched

< Main list in which sublist is to be searched

< boolean, if sublist exist or not

                      {
        const bool expectedOutput = true;  ///< Expected output of this test
 
        log("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~"
            "~");
        log("This is test case 1 for sublist search Algorithm : ");
        log("Description:");
        log("   EDGE CASE : Only contains one element");
 
        std::vector<uint64_t> sublistData = {
            6};  ///< Data to make linked list which will be the sublist
        std::vector<uint64_t> mainlistData = {
            2, 5, 6, 7,
            8};  ///< Data to make linked list which will be the main list
 
        search::sublist_search::Node *sublistLL =
            search::sublist_search::makeLinkedList(
                sublistData);  ///< Sublist to be searched
        search::sublist_search::Node *mainlistLL =
            search::sublist_search::makeLinkedList(
                mainlistData);  ///< Main list in which sublist is to be
                                ///< searched
 
        bool exists = search::sublist_search::sublistSearch(
            sublistLL, mainlistLL);  ///< boolean, if sublist exist or not
 
        log("Checking assert expression...");
        assert(exists == expectedOutput);
        log("Assertion check passed!");
 
        log("[PASS] : TEST CASE 1 PASS!");
        log("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~"
            "~");
 
        deleteList(mainlistLL);
        deleteList(sublistLL);
    }

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testCase_1() [3/3]

void TestCases::testCase_1 ( )

inline

A test case with single input.

Returns

void

                      {
        const int64_t inputSize = 1;
        log("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~"
            "~");
        log("This is test case 1 for Random Pivot Quick Sort Algorithm : ");
        log("Description:");
        log("   EDGE CASE : Only contains one element");
        std::array<int64_t, inputSize> unsorted_arr{2};
 
        int64_t start = 0;
        int64_t end = unsorted_arr.size() - 1;  // length - 1
 
        log("Running algorithm of data of length 50 ...");
        std::array<int64_t, unsorted_arr.size()> sorted_arr =
            sorting::random_pivot_quick_sort::quickSortRP(unsorted_arr, start,
                                                          end);
        log("Algorithm finished!");
 
        log("Checking assert expression...");
        assert(std::is_sorted(sorted_arr.begin(), sorted_arr.end()));
        log("Assertion check passed!");
 
        log("[PASS] : TEST CASE 1 PASS!");
        log("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~"
            "~");
    }

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testCase_2() [1/3]

void TestCases::testCase_2 ( )

inline

A test case which contains main list of 100 elements and sublist of 20.

Returns

void

< Expected output of this test

< Data to make nodes in BST

< Adding nodes to BST

< Printing inorder to cross-verify.

< The inorder successor node for given data

memory cleanup!

                      {
        const int expectedOutput = 21;  ///< Expected output of this test
 
        log("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~");
        log("This is test case 2 : ");
 
        operations_on_datastructures::inorder_traversal_of_bst::Node *root =
            nullptr;
        std::vector<int64_t> node_data{
            20, 3, 5, 6, 2, 23, 45, 78, 21};  ///< Data to make nodes in BST
 
        root = operations_on_datastructures::inorder_traversal_of_bst::makeBST(
            root,
            node_data);  ///< Adding nodes to BST
 
        std::cout << "Inorder sequence is : ";
        operations_on_datastructures::inorder_traversal_of_bst::printInorder(
            root);  ///< Printing inorder to cross-verify.
        std::cout << std::endl;
 
        operations_on_datastructures::inorder_traversal_of_bst::Node
            *inorderSuccessor = operations_on_datastructures::
                inorder_traversal_of_bst::getInorderSuccessor(
                    root, 20);  ///< The inorder successor node for given data
 
        log("Checking assert expression...");
        assert(inorderSuccessor->data == expectedOutput);
        log("Assertion check passed!");
 
        operations_on_datastructures::inorder_traversal_of_bst::deallocate(
            root);  /// memory cleanup!
 
        log("[PASS] : TEST CASE 2 PASS!");
        log("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~");
    }

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testCase_2() [2/3]

void TestCases::testCase_2 ( )

inline

A test case which contains main list of 100 elements and sublist of 20.

Returns

void

Expected output of this test

< Data to make linked list which will be the sublist

< Main list in which sublist is to be searched

Inserts 100 elements in main list

Inserts 20 elements in sublist

< Sublist to be searched

< Main list in which sublist is to be searched

< boolean, if sublist exist or not

                      {
        const bool expectedOutput = true;  /// Expected output of this test
 
        log("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~"
            "~");
        log("This is test case 2 for sublist search Algorithm : ");
        log("Description:");
        log("   contains main list of 100 elements and sublist of 20");
 
        std::vector<uint64_t> sublistData(
            20);  ///< Data to make linked list which will be the sublist
        std::vector<uint64_t> mainlistData(
            100);  ///< Main list in which sublist is to be searched
 
        for (int i = 0; i < 100; i++) {
            /// Inserts 100 elements in main list
            mainlistData[i] = i + 1;
        }
 
        int temp = 0;
        for (int i = 45; i < 65; i++) {
            /// Inserts 20 elements in sublist
            sublistData[temp] = i + 1;
            temp++;
        }
 
        search::sublist_search::Node *sublistLL =
            search::sublist_search::makeLinkedList(
                sublistData);  ///< Sublist to be searched
        search::sublist_search::Node *mainlistLL =
            search::sublist_search::makeLinkedList(
                mainlistData);  ///< Main list in which sublist is to be
                                ///< searched
 
        bool exists = search::sublist_search::sublistSearch(
            sublistLL, mainlistLL);  ///< boolean, if sublist exist or not
 
        log("Checking assert expression...");
        assert(exists == expectedOutput);
        log("Assertion check passed!");
 
        log("[PASS] : TEST CASE 2 PASS!");
        log("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~"
            "~");
 
        deleteList(mainlistLL);
        deleteList(sublistLL);
    }

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testCase_2() [3/3]

void TestCases::testCase_2 ( )

inline

A test case with input array of length 500.

Returns

void

                      {
        const int64_t inputSize = 500;
        log("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~"
            "~");
        log("Description:");
        log("   BIG INPUT : Contains 500 elements and repeated elements");
        log("This is test case 2 for Random Pivot Quick Sort Algorithm : ");
        std::array<int64_t, inputSize> unsorted_arr =
            sorting::random_pivot_quick_sort::generateUnsortedArray<inputSize>(
                1, 10000);
 
        int64_t start = 0;
        int64_t end = unsorted_arr.size() - 1;  // length - 1
 
        log("Running algorithm of data of length 500 ...");
        std::array<int64_t, unsorted_arr.size()> sorted_arr =
            sorting::random_pivot_quick_sort::quickSortRP(unsorted_arr, start,
                                                          end);
        log("Algorithm finished!");
 
        log("Checking assert expression...");
        assert(std::is_sorted(sorted_arr.begin(), sorted_arr.end()));
        log("Assertion check passed!");
 
        log("[PASS] : TEST CASE 2 PASS!");
        log("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~"
            "~");
    }

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testCase_3() [1/3]

void TestCases::testCase_3 ( )

inline

A test case which contains main list of 50 elements and sublist of 20.

Returns

void

< Expected output of this test

< Data to make nodes in BST

< Adding nodes to BST

< Printing inorder to cross-verify.

< The inorder successor node for given data

memory cleanup!

                      {
        const int expectedOutput = 110;  ///< Expected output of this test
 
        log("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~");
        log("This is test case 3 : ");
 
        operations_on_datastructures::inorder_traversal_of_bst::Node *root =
            nullptr;
        std::vector<int64_t> node_data{
            89,  67,  32, 56, 90, 123, 120,
            110, 115, 6,  78, 7,  10};  ///< Data to make nodes in BST
 
        root = operations_on_datastructures::inorder_traversal_of_bst::makeBST(
            root,
            node_data);  ///< Adding nodes to BST
 
        std::cout << "Inorder sequence is : ";
        operations_on_datastructures::inorder_traversal_of_bst::printInorder(
            root);  ///< Printing inorder to cross-verify.
        std::cout << std::endl;
 
        operations_on_datastructures::inorder_traversal_of_bst::Node
            *inorderSuccessor = operations_on_datastructures::
                inorder_traversal_of_bst::getInorderSuccessor(
                    root, 90);  ///< The inorder successor node for given data
 
        log("Checking assert expression...");
        assert(inorderSuccessor->data == expectedOutput);
        log("Assertion check passed!");
 
        operations_on_datastructures::inorder_traversal_of_bst::deallocate(
            root);  /// memory cleanup!
 
        log("[PASS] : TEST CASE 3 PASS!");
        log("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~");
    }

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testCase_3() [2/3]

void TestCases::testCase_3 ( )

inline

A test case which contains main list of 50 elements and sublist of 20.

Returns

void

< Expected output of this test

< Sublist to be searched

< Main list in which sublist is to be searched

Inserts 100 elements in main list

Inserts 20 elements in sublist

< Sublist to be searched

< Main list in which sublist is to be searched

< boolean, if sublist exist or not

                      {
        const bool expectedOutput = false;  ///< Expected output of this test
 
        log("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~"
            "~");
        log("This is test case 3 for sublist search Algorithm : ");
        log("Description:");
        log("   contains main list of 50 elements and sublist of 20");
 
        std::vector<uint64_t> sublistData(20);  ///< Sublist to be searched
        std::vector<uint64_t> mainlistData(
            50);  ///< Main list in which sublist is to be searched
 
        for (int i = 0; i < 50; i++) {
            /// Inserts 100 elements in main list
            mainlistData.push_back(i + 1);
        }
 
        for (int i = 45; i < 65; i++) {
            /// Inserts 20 elements in sublist
            sublistData.push_back(i + 1);
        }
 
        search::sublist_search::Node *sublistLL =
            search::sublist_search::makeLinkedList(
                sublistData);  ///< Sublist to be searched
        search::sublist_search::Node *mainlistLL =
            search::sublist_search::makeLinkedList(
                mainlistData);  ///< Main list in which sublist is to be
                                ///< searched
 
        bool exists = search::sublist_search::sublistSearch(
            sublistLL, mainlistLL);  ///< boolean, if sublist exist or not
 
        log("Checking assert expression...");
        assert(exists == expectedOutput);
        log("Assertion check passed!");
 
        log("[PASS] : TEST CASE 3 PASS!");
        log("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~"
            "~");
 
        deleteList(mainlistLL);
        deleteList(sublistLL);
    }

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testCase_3() [3/3]

void TestCases::testCase_3 ( )

inline

A test case with array of length 1000.

Returns

void

                      {
        const int64_t inputSize = 1000;
        log("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~"
            "~");
        log("This is test case 3 for Random Pivot Quick Sort Algorithm : ");
        log("Description:");
        log("   LARGE INPUT : Contains 1000 elements and repeated elements");
        std::array<int64_t, inputSize> unsorted_arr =
            sorting::random_pivot_quick_sort::generateUnsortedArray<inputSize>(
                1, 10000);
 
        int64_t start = 0;
        int64_t end = unsorted_arr.size() - 1;  // length - 1
 
        log("Running algorithm...");
        std::array<int64_t, unsorted_arr.size()> sorted_arr =
            sorting::random_pivot_quick_sort::quickSortRP(unsorted_arr, start,
                                                          end);
        log("Algorithm finished!");
 
        log("Checking assert expression...");
        assert(std::is_sorted(sorted_arr.begin(), sorted_arr.end()));
        log("Assertion check passed!");
 
        log("[PASS] : TEST CASE 3 PASS!");
        log("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~"
            "~");
    }

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---

The documentation for this class was generated from the following files:

• operations_on_datastructures/inorder_successor_of_bst.cpp
• search/sublist_search.cpp
• sorting/random_pivot_quick_sort.cpp