Word wrapp

tdd_intro/homework/01_leap_year/test.cpp

@@ -13,3 +13,47 @@ If your language provides a method in the standard library that does this look-u
 */
 
 #include <gtest/gtest.h>
+
+bool LeapYear(int year)
+{
+    if (year%400 == 0)
+    {
+        return true;
+    }
+    if (year%100 == 0)
+    {
+        return false;
+    }
+    if (year%4 == 0)
+    {
+        return true;
+    }
+    return false;
+}
+
+TEST(LeapYear, DevidedBy4)
+{
+    ASSERT_TRUE(LeapYear(4));
+}
+
+TEST(LeapYear, DevidedBy100)
+{
+    ASSERT_FALSE(LeapYear(100));
+}
+
+TEST(LeapYear, DevidedBy400)
+{
+    ASSERT_TRUE(LeapYear(400));
+}
+
+TEST(LeapYear, RandomYearsTest)
+{
+    ASSERT_TRUE(LeapYear(2000));
+    ASSERT_FALSE(LeapYear(1000));
+    ASSERT_TRUE(LeapYear(1996));
+    ASSERT_FALSE(LeapYear(1997));
+    ASSERT_TRUE(LeapYear(2020));
+    ASSERT_FALSE(LeapYear(2018));
+    ASSERT_TRUE(LeapYear(-2000));
+    ASSERT_FALSE(LeapYear(-1000));
+}

tdd_intro/homework/02_ternary_numbers/test.cpp

@@ -16,3 +16,61 @@ The last place in a ternary number is the 1's place. The second to last is the 3
 
 If your language provides a method in the standard library to perform the conversion, pretend it doesn't exist and implement it yourself.
 */
+
+#include <gtest/gtest.h>
+
+int OneSignDemicalView(const std::string& oneSign)
+{
+    if (oneSign == "1" || oneSign == "2" || oneSign == "0")
+    {
+
+        return std::stoi( oneSign );
+    }
+    return -1;
+}
+
+int DemicalView(const std::string& str)
+{
+    if (str.empty())
+    {
+        return 0;
+    }
+    int answer = 0;
+    for(size_t i = 1; i <= str.size(); ++i)
+    {
+        answer += OneSignDemicalView(str.substr(str.size() - i , 1)) * pow(3, i - 1) ;
+    }
+    return (answer > 0) ? answer : 0;
+}
+
+TEST(TernaryNumbers, EmptyString)
+{
+    ASSERT_EQ(0, DemicalView(""));
+}
+
+TEST(TernaryNumbers, EqualOne)
+{
+    ASSERT_EQ(1, DemicalView("1"));
+}
+
+TEST(TernaryNumbers, EqualTwo)
+{
+    ASSERT_EQ(2, DemicalView("2"));
+}
+
+TEST(TernaryNumbers, TwoSignString01)
+{
+    ASSERT_EQ(1, DemicalView("01"));
+}
+
+
+TEST(TernaryNumbers, TwoSignString11)
+{
+    ASSERT_EQ(4, DemicalView("11"));
+}
+
+
+TEST(TernaryNumbers, SpecifcationTest)
+{
+    ASSERT_EQ(302, DemicalView("102012"));
+}

tdd_intro/homework/03_bank_ocr/test.cpp

@@ -86,6 +86,8 @@ Example input and output
 */
 #include <gtest/gtest.h>
 #include <string>
+#include <vector>
+#include <iterator>
 
 const unsigned short g_linesInDigit = 3;
 struct Digit
@@ -139,6 +141,10 @@ const Digit s_digit9 = { " _ ",
                          "|_|",
                          " _|"
                        };
+const Digit s_noDigit = { " _ ",
+                          "|_|",
+                          " _ "
+                        };
 
 const Display s_displayAll0 = { " _  _  _  _  _  _  _  _  _ ",
                                 "| || || || || || || || || |",
@@ -194,3 +200,195 @@ const Display s_display123456789 = { "    _  _     _  _  _  _  _ ",
                                      "  | _| _||_||_ |_   ||_||_|",
                                      "  ||_  _|  | _||_|  ||_| _|"
 };
+const Display s_wrongDisplay = { " _  _  _  _  _  _  _  _  _ ",
+                                 "|_||_||_||_||_||_||_||_||_|",
+                                 " _| _| _| _  _| _| _| _| _|"
+};
+
+// parse 1 number 0-9
+//  right numbers
+//  wrong numbers
+//  empty digit
+
+// parse line
+//  more than 27 symbols in string
+//  less than 27 symbols in string
+//  27 symbols in string
+
+// parse several structs
+
+
+
+//  assumptions:
+//   one function, take vector of Display and return vector of string
+//   second function, take 1 Display and return one string with 9 digit.
+//   third function, take 1 Digit and return one int.
+// No information about wrong entry*
+
+bool CompareDigits(const Digit& left, const Digit& right)
+{
+    return left.lines[0] == right.lines[0] && left.lines[1] == right.lines[1] && left.lines[2] == right.lines[2];
+}
+
+int ZipNumberParser(const Digit& digit)
+{
+    std::vector<Digit> allNumbers;
+    allNumbers.reserve(10);
+    allNumbers.push_back(s_digit0);
+    allNumbers.push_back(s_digit1);
+    allNumbers.push_back(s_digit2);
+    allNumbers.push_back(s_digit3);
+    allNumbers.push_back(s_digit4);
+    allNumbers.push_back(s_digit5);
+    allNumbers.push_back(s_digit6);
+    allNumbers.push_back(s_digit7);
+    allNumbers.push_back(s_digit8);
+    allNumbers.push_back(s_digit9);
+
+    for (int i = 0; i < allNumbers.size(); ++i)
+    {
+        if ( CompareDigits(digit, allNumbers[i]) )
+        {
+            return i;
+        }
+    }
+    return -1;
+}
+
+std::string ZipLineParser(const Display& display)
+{
+    if (display.lines[0].size() != 27 || display.lines[1].size() != 27 || display.lines[2].size() != 27)
+    {
+        return "-1";
+    }
+    std::string answer="";
+    for(int i = 0; i < 27; i+=3)
+    {
+        Digit tempDigit{ std::string(display.lines[0].begin() + i,display.lines[0].begin()+3 + i),
+                         std::string(display.lines[1].begin() + i,display.lines[1].begin()+3 + i),
+                         std::string(display.lines[2].begin() + i,display.lines[2].begin()+3 + i)};
+        int temp = ZipNumberParser(tempDigit);
+        if(temp == -1)
+        {
+            return "-1";
+        }
+        else
+        {
+            answer = answer + std::to_string(temp);
+        }
+    }
+    return answer;
+}
+
+std::vector<std::string> ZipVectorParser(std::vector<Display> displays)
+{
+    std::vector<std::string> answer;
+    for(auto disp:displays)
+    {
+        answer.push_back(ZipLineParser(disp));
+    }
+    return answer;
+}
+
+
+TEST(Bank, NumberZero)
+{
+    ASSERT_EQ(0, ZipNumberParser(s_digit0));
+}
+
+TEST(Bank, NumberOne)
+{
+    ASSERT_EQ(1, ZipNumberParser(s_digit1));
+}
+
+TEST(Bank, NumberThree)
+{
+    ASSERT_EQ(3, ZipNumberParser(s_digit3));
+}
+
+TEST(Bank, WrongNumber)
+{
+    ASSERT_EQ(-1, ZipNumberParser(s_noDigit));
+}
+
+TEST(Bank, EmptyDigit)
+{
+    const Digit emptyDigit{"", "", ""};
+    ASSERT_EQ(-1, ZipNumberParser(emptyDigit));
+}
+
+TEST(Bank, LineOfZero)
+{
+    ASSERT_EQ("000000000", ZipLineParser(s_displayAll0));
+}
+
+TEST(Bank, emptyDisplay)
+{
+    Display emptyDisplay{"", "", ""};
+    ASSERT_EQ("-1", ZipLineParser(emptyDisplay));
+}
+
+TEST(Bank, largeDisplay)
+{
+    Display largeDisplay{"______________________________",
+                         "___________________________",
+                         "___________________________"};
+    ASSERT_EQ("-1", ZipLineParser(largeDisplay));
+}
+TEST(Bank, LineOf1)
+{
+    ASSERT_EQ("111111111", ZipLineParser(s_displayAll1));
+}
+
+TEST(Bank, LineOf2)
+{
+    ASSERT_EQ("222222222", ZipLineParser(s_displayAll2));
+}
+
+TEST(Bank, Line123456789)
+{
+    ASSERT_EQ("123456789", ZipLineParser(s_display123456789));
+}
+
+TEST(Bank, WrongDispley)
+{
+    ASSERT_EQ("-1", ZipLineParser(s_wrongDisplay));
+}
+
+TEST(Bank, TwoLines)
+{
+    std::vector<Display> linesOfDisplay;
+    linesOfDisplay.push_back(s_displayAll0);
+    linesOfDisplay.push_back(s_displayAll1);
+    std::vector<std::string> answer;
+    answer.push_back("000000000");
+    answer.push_back("111111111");
+    ASSERT_EQ(answer, ZipVectorParser(linesOfDisplay));
+}
+
+TEST(Bank, ThreeLines)
+{
+    std::vector<Display> linesOfDisplay;
+    linesOfDisplay.push_back(s_displayAll0);
+    linesOfDisplay.push_back(s_displayAll1);
+    linesOfDisplay.push_back(s_display123456789);
+    std::vector<std::string> answer;
+    answer.push_back("000000000");
+    answer.push_back("111111111");
+    answer.push_back("123456789");
+    ASSERT_EQ(answer, ZipVectorParser(linesOfDisplay));
+}
+
+TEST(Bank, ThreeLinesWithWrongDisplay)
+{
+    std::vector<Display> linesOfDisplay;
+    linesOfDisplay.push_back(s_displayAll0);
+    linesOfDisplay.push_back(s_wrongDisplay);
+    linesOfDisplay.push_back(s_display123456789);
+    std::vector<std::string> answer;
+    answer.push_back("000000000");
+    answer.push_back("-1");
+    answer.push_back("123456789");
+    ASSERT_EQ(answer, ZipVectorParser(linesOfDisplay));
+}
+

tdd_intro/homework/05_word_wrapp/05_word_wrapp.pro

@@ -0,0 +1,9 @@
+include(../../gtest.pri)
+
+TEMPLATE = app
+CONFIG += console c++11
+CONFIG -= app_bundle
+CONFIG -= qt
+
+SOURCES += \
+    test.cpp