From 6423a44bb398495dc0c72cf18d16ae9db8a4ab7f Mon Sep 17 00:00:00 2001
From: Roman Mokych <mokych.roman@gmail.com>
Date: Fri, 26 Oct 2018 23:46:05 +0300
Subject: [PATCH 01/22] Fixed build issues. Fixed linking with gtest. Added
 dependecy on gtest for some homeworks. Fixed build of gmock. Fixed std::abs
 conflict.

---
 .../gmock/include/gmock/internal/gmock-internal-utils.h    | 7 +++++++
 tdd_intro/cleanroom/cleanroom.pro                          | 4 ++--
 tdd_intro/gtest.pri                                        | 4 ++--
 tdd_intro/homework/04_weather_client/04_weather_client.pro | 1 +
 tdd_intro/homework/04_weather_client/test.cpp              | 2 ++
 tdd_intro/homework/06_coffee/06_coffee.pro                 | 1 +
 6 files changed, 15 insertions(+), 4 deletions(-)

diff --git a/tdd_intro/3rd_party/gmock/include/gmock/internal/gmock-internal-utils.h b/tdd_intro/3rd_party/gmock/include/gmock/internal/gmock-internal-utils.h
index e12b7d7d..5507611a 100644
--- a/tdd_intro/3rd_party/gmock/include/gmock/internal/gmock-internal-utils.h
+++ b/tdd_intro/3rd_party/gmock/include/gmock/internal/gmock-internal-utils.h
@@ -46,6 +46,13 @@
 #include "gmock/internal/gmock-port.h"
 #include "gtest/gtest.h"
 
+namespace {
+
+const testing::internal::RelationToSourceCopy kCopy;
+const testing::internal::RelationToSourceReference kReference;
+
+}
+
 namespace testing {
 namespace internal {
 
diff --git a/tdd_intro/cleanroom/cleanroom.pro b/tdd_intro/cleanroom/cleanroom.pro
index b92a4278..31ff6a0b 100644
--- a/tdd_intro/cleanroom/cleanroom.pro
+++ b/tdd_intro/cleanroom/cleanroom.pro
@@ -1,4 +1,4 @@
 TEMPLATE = subdirs
 
-SUBDIRS += \
-    chatclient
+#SUBDIRS += \
+#    chatclient
diff --git a/tdd_intro/gtest.pri b/tdd_intro/gtest.pri
index 586007bb..bc93ca62 100644
--- a/tdd_intro/gtest.pri
+++ b/tdd_intro/gtest.pri
@@ -1,6 +1,6 @@
 win32:CONFIG(release, debug|release): LIBS += -L$$OUT_PWD/../../3rd_party/gtest/release/ -lgtest
 else:win32:CONFIG(debug, debug|release): LIBS += -L$$OUT_PWD/../../3rd_party/gtest/debug/ -lgtest
-else:unix:!macx: LIBS += -L$$OUT_PWD/../../3rd_party/gtest/ -lgtest
+else:unix: LIBS += -L$$OUT_PWD/../../3rd_party/gtest/ -lgtest
 
 INCLUDEPATH += $$PWD/3rd_party/gtest/googletest/include
 DEPENDPATH += $$PWD/3rd_party/gtest/googletest/include
@@ -10,4 +10,4 @@ win32-g++:CONFIG(release, debug|release): PRE_TARGETDEPS += $$OUT_PWD/../../3rd_
 else:win32-g++:CONFIG(debug, debug|release): PRE_TARGETDEPS += $$OUT_PWD/../../3rd_party/gtest/debug/libgtest.a
 else:win32:!win32-g++:CONFIG(release, debug|release): PRE_TARGETDEPS += $$OUT_PWD/../../3rd_party/gtest/release/gtest.lib
 else:win32:!win32-g++:CONFIG(debug, debug|release): PRE_TARGETDEPS += $$OUT_PWD/../../3rd_party/gtest/debug/gtest.lib
-else:unix:!macx: PRE_TARGETDEPS += $$OUT_PWD/../../3rd_party/gtest/libgtest.a
+else:unix: PRE_TARGETDEPS += $$OUT_PWD/../../3rd_party/gtest/libgtest.a
diff --git a/tdd_intro/homework/04_weather_client/04_weather_client.pro b/tdd_intro/homework/04_weather_client/04_weather_client.pro
index dec9b6a8..e8f86261 100644
--- a/tdd_intro/homework/04_weather_client/04_weather_client.pro
+++ b/tdd_intro/homework/04_weather_client/04_weather_client.pro
@@ -1,4 +1,5 @@
 include(../../gmock.pri)
+include(../../gtest.pri)
 
 TEMPLATE = app
 CONFIG += console c++11
diff --git a/tdd_intro/homework/04_weather_client/test.cpp b/tdd_intro/homework/04_weather_client/test.cpp
index 346ea809..476405e2 100644
--- a/tdd_intro/homework/04_weather_client/test.cpp
+++ b/tdd_intro/homework/04_weather_client/test.cpp
@@ -47,6 +47,8 @@ Each line means "<request>" : "<response>":
 #include <gtest/gtest.h>
 #include <gmock/gmock.h>
 
+#include <cmath>
+
 struct Weather
 {
     short temperature = 0;
diff --git a/tdd_intro/homework/06_coffee/06_coffee.pro b/tdd_intro/homework/06_coffee/06_coffee.pro
index dec9b6a8..05f06c68 100644
--- a/tdd_intro/homework/06_coffee/06_coffee.pro
+++ b/tdd_intro/homework/06_coffee/06_coffee.pro
@@ -1,3 +1,4 @@
+include(../../gtest.pri)
 include(../../gmock.pri)
 
 TEMPLATE = app

From 4919240d9081202294fc120e4345353a1e7bba81 Mon Sep 17 00:00:00 2001
From: Roman Mokych <mokych.roman@gmail.com>
Date: Fri, 26 Oct 2018 23:48:10 +0300
Subject: [PATCH 02/22] Added build files to the git ignore.

---
 .gitignore | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/.gitignore b/.gitignore
index 259148fa..32673502 100644
--- a/.gitignore
+++ b/.gitignore
@@ -30,3 +30,6 @@
 *.exe
 *.out
 *.app
+build
+.DS_Store
+*.pro.user

From f8426489945827bb504c25827783edd4fc078b5b Mon Sep 17 00:00:00 2001
From: Roman Mokych <mokych.roman@gmail.com>
Date: Wed, 7 Nov 2018 22:10:30 +0200
Subject: [PATCH 03/22] Disabled 6 homework because it is not buildable.

---
 tdd_intro/homework/homework.pro | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tdd_intro/homework/homework.pro b/tdd_intro/homework/homework.pro
index cf6c01b9..13ac9d31 100644
--- a/tdd_intro/homework/homework.pro
+++ b/tdd_intro/homework/homework.pro
@@ -5,5 +5,5 @@ SUBDIRS += \
     02_ternary_numbers \
     03_bank_ocr \
     04_weather_client \
-    05_word_wrapp \
-    06_coffee
+    05_word_wrapp
+#    06_coffee

From 1b975944edda2c8fe29c6cc0e94fe72d9289ef97 Mon Sep 17 00:00:00 2001
From: Roman Mokych <mokych.roman@gmail.com>
Date: Wed, 7 Nov 2018 22:10:58 +0200
Subject: [PATCH 04/22] Implemented one parsing. RED.

---
 tdd_intro/homework/02_ternary_numbers/test.cpp | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/tdd_intro/homework/02_ternary_numbers/test.cpp b/tdd_intro/homework/02_ternary_numbers/test.cpp
index 17503028..3e745f9b 100644
--- a/tdd_intro/homework/02_ternary_numbers/test.cpp
+++ b/tdd_intro/homework/02_ternary_numbers/test.cpp
@@ -16,3 +16,15 @@ 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 IntFromTernaryNumberString(const std::string& ternaryNumberString)
+{
+    return 0;
+}
+
+TEST(IntFromTernaryNumberString, one)
+{
+    EXPECT_EQ(1, IntFromTernaryNumberString("1"));
+}

From 96d8352206917d89cb86a9b981422fa04f10e0ac Mon Sep 17 00:00:00 2001
From: Roman Mokych <mokych.roman@gmail.com>
Date: Wed, 7 Nov 2018 22:11:29 +0200
Subject: [PATCH 05/22] Implemented one parsing. Green.

---
 tdd_intro/homework/02_ternary_numbers/test.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tdd_intro/homework/02_ternary_numbers/test.cpp b/tdd_intro/homework/02_ternary_numbers/test.cpp
index 3e745f9b..ef5607d1 100644
--- a/tdd_intro/homework/02_ternary_numbers/test.cpp
+++ b/tdd_intro/homework/02_ternary_numbers/test.cpp
@@ -21,7 +21,7 @@ If your language provides a method in the standard library to perform the conver
 
 int IntFromTernaryNumberString(const std::string& ternaryNumberString)
 {
-    return 0;
+    return 1;
 }
 
 TEST(IntFromTernaryNumberString, one)

From 4d8bebe17406f6497a6f8f716442df3668b62879 Mon Sep 17 00:00:00 2001
From: Roman Mokych <mokych.roman@gmail.com>
Date: Wed, 7 Nov 2018 22:13:30 +0200
Subject: [PATCH 06/22] Implemented 2 parsing. RED

---
 tdd_intro/homework/02_ternary_numbers/test.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tdd_intro/homework/02_ternary_numbers/test.cpp b/tdd_intro/homework/02_ternary_numbers/test.cpp
index ef5607d1..1cb38bb7 100644
--- a/tdd_intro/homework/02_ternary_numbers/test.cpp
+++ b/tdd_intro/homework/02_ternary_numbers/test.cpp
@@ -28,3 +28,8 @@ TEST(IntFromTernaryNumberString, one)
 {
     EXPECT_EQ(1, IntFromTernaryNumberString("1"));
 }
+
+TEST(IntFromTernaryNumberString, two)
+{
+    EXPECT_EQ(2, IntFromTernaryNumberString("2"));
+}

From 6872951c99b2c1aef5b2c1ecfc1f819630fdf4ae Mon Sep 17 00:00:00 2001
From: Roman Mokych <mokych.roman@gmail.com>
Date: Wed, 7 Nov 2018 22:14:26 +0200
Subject: [PATCH 07/22] Implemented 2 parsing. GREEN

---
 tdd_intro/homework/02_ternary_numbers/test.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tdd_intro/homework/02_ternary_numbers/test.cpp b/tdd_intro/homework/02_ternary_numbers/test.cpp
index 1cb38bb7..6ef94273 100644
--- a/tdd_intro/homework/02_ternary_numbers/test.cpp
+++ b/tdd_intro/homework/02_ternary_numbers/test.cpp
@@ -21,7 +21,7 @@ If your language provides a method in the standard library to perform the conver
 
 int IntFromTernaryNumberString(const std::string& ternaryNumberString)
 {
-    return 1;
+    return ternaryNumberString.front() - '0';
 }
 
 TEST(IntFromTernaryNumberString, one)

From 5d0f54aa7be3c8ada3dd1bff019266304af8110c Mon Sep 17 00:00:00 2001
From: Roman Mokych <mokych.roman@gmail.com>
Date: Wed, 7 Nov 2018 22:20:30 +0200
Subject: [PATCH 08/22] Implemented 3 parsing. Green

---
 tdd_intro/homework/02_ternary_numbers/test.cpp | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/tdd_intro/homework/02_ternary_numbers/test.cpp b/tdd_intro/homework/02_ternary_numbers/test.cpp
index 6ef94273..e5a94a08 100644
--- a/tdd_intro/homework/02_ternary_numbers/test.cpp
+++ b/tdd_intro/homework/02_ternary_numbers/test.cpp
@@ -21,7 +21,12 @@ If your language provides a method in the standard library to perform the conver
 
 int IntFromTernaryNumberString(const std::string& ternaryNumberString)
 {
-    return ternaryNumberString.front() - '0';
+    if (ternaryNumberString.size() > 1)
+    {
+        return 3;
+    }
+
+    return ternaryNumberString.back() - '0';
 }
 
 TEST(IntFromTernaryNumberString, one)
@@ -33,3 +38,8 @@ TEST(IntFromTernaryNumberString, two)
 {
     EXPECT_EQ(2, IntFromTernaryNumberString("2"));
 }
+
+TEST(IntFromTernaryNumberString, decimal3ForTernary10)
+{
+    EXPECT_EQ(3, IntFromTernaryNumberString("10"));
+}

From 37784bb658747f97eb28ac3a203c9bbb056153e1 Mon Sep 17 00:00:00 2001
From: Roman Mokych <mokych.roman@gmail.com>
Date: Wed, 7 Nov 2018 22:21:47 +0200
Subject: [PATCH 09/22] Implemented 6 parsing. Red

---
 tdd_intro/homework/02_ternary_numbers/test.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tdd_intro/homework/02_ternary_numbers/test.cpp b/tdd_intro/homework/02_ternary_numbers/test.cpp
index e5a94a08..0bb57e01 100644
--- a/tdd_intro/homework/02_ternary_numbers/test.cpp
+++ b/tdd_intro/homework/02_ternary_numbers/test.cpp
@@ -43,3 +43,8 @@ TEST(IntFromTernaryNumberString, decimal3ForTernary10)
 {
     EXPECT_EQ(3, IntFromTernaryNumberString("10"));
 }
+
+TEST(IntFromTernaryNumberString, decimal6ForTernary20)
+{
+    EXPECT_EQ(6, IntFromTernaryNumberString("20"));
+}

From a745777f9ebbb6d658865f6fbed0ad7e7b528bc9 Mon Sep 17 00:00:00 2001
From: Roman Mokych <mokych.roman@gmail.com>
Date: Wed, 7 Nov 2018 22:41:19 +0200
Subject: [PATCH 10/22] Implemented test for 6 parsing. Green

---
 tdd_intro/homework/02_ternary_numbers/test.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tdd_intro/homework/02_ternary_numbers/test.cpp b/tdd_intro/homework/02_ternary_numbers/test.cpp
index 0bb57e01..701df064 100644
--- a/tdd_intro/homework/02_ternary_numbers/test.cpp
+++ b/tdd_intro/homework/02_ternary_numbers/test.cpp
@@ -21,9 +21,9 @@ If your language provides a method in the standard library to perform the conver
 
 int IntFromTernaryNumberString(const std::string& ternaryNumberString)
 {
-    if (ternaryNumberString.size() > 1)
+    if (ternaryNumberString.size() == 2)
     {
-        return 3;
+        return (ternaryNumberString.front() - '0') * 3;
     }
 
     return ternaryNumberString.back() - '0';

From a97fb14b24b5724a360bd2971cd867cffc911ded Mon Sep 17 00:00:00 2001
From: Roman Mokych <mokych.roman@gmail.com>
Date: Wed, 7 Nov 2018 22:43:14 +0200
Subject: [PATCH 11/22] Implemented RED test for 9.

---
 tdd_intro/homework/02_ternary_numbers/test.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/tdd_intro/homework/02_ternary_numbers/test.cpp b/tdd_intro/homework/02_ternary_numbers/test.cpp
index 701df064..ff5e0112 100644
--- a/tdd_intro/homework/02_ternary_numbers/test.cpp
+++ b/tdd_intro/homework/02_ternary_numbers/test.cpp
@@ -26,7 +26,7 @@ int IntFromTernaryNumberString(const std::string& ternaryNumberString)
         return (ternaryNumberString.front() - '0') * 3;
     }
 
-    return ternaryNumberString.back() - '0';
+    return ternaryNumberString.front() - '0';
 }
 
 TEST(IntFromTernaryNumberString, one)
@@ -48,3 +48,9 @@ TEST(IntFromTernaryNumberString, decimal6ForTernary20)
 {
     EXPECT_EQ(6, IntFromTernaryNumberString("20"));
 }
+
+TEST(IntFromTernaryNumberString, decimal9ForTernary100)
+{
+    EXPECT_EQ(9, IntFromTernaryNumberString("100"));
+}
+

From 089d2cdcebefa18f08ad5a7596214315351ad88b Mon Sep 17 00:00:00 2001
From: Roman Mokych <mokych.roman@gmail.com>
Date: Wed, 7 Nov 2018 22:44:01 +0200
Subject: [PATCH 12/22] GREEN

---
 tdd_intro/homework/02_ternary_numbers/test.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tdd_intro/homework/02_ternary_numbers/test.cpp b/tdd_intro/homework/02_ternary_numbers/test.cpp
index ff5e0112..63bd79cc 100644
--- a/tdd_intro/homework/02_ternary_numbers/test.cpp
+++ b/tdd_intro/homework/02_ternary_numbers/test.cpp
@@ -21,6 +21,11 @@ If your language provides a method in the standard library to perform the conver
 
 int IntFromTernaryNumberString(const std::string& ternaryNumberString)
 {
+    if (ternaryNumberString.size() == 3)
+    {
+        return (ternaryNumberString.front() - '0') * 3 * 3;
+    }
+
     if (ternaryNumberString.size() == 2)
     {
         return (ternaryNumberString.front() - '0') * 3;

From 9b3bfa7c1c2f5ec92cb938dc2b79c8ca14bbefbe Mon Sep 17 00:00:00 2001
From: Roman Mokych <mokych.roman@gmail.com>
Date: Wed, 7 Nov 2018 22:46:32 +0200
Subject: [PATCH 13/22] Refactoring.

---
 tdd_intro/homework/02_ternary_numbers/test.cpp | 15 ++++-----------
 1 file changed, 4 insertions(+), 11 deletions(-)

diff --git a/tdd_intro/homework/02_ternary_numbers/test.cpp b/tdd_intro/homework/02_ternary_numbers/test.cpp
index 63bd79cc..36c91fbc 100644
--- a/tdd_intro/homework/02_ternary_numbers/test.cpp
+++ b/tdd_intro/homework/02_ternary_numbers/test.cpp
@@ -18,20 +18,13 @@ If your language provides a method in the standard library to perform the conver
 */
 
 #include <gtest/gtest.h>
+#include <cmath>
+
 
 int IntFromTernaryNumberString(const std::string& ternaryNumberString)
 {
-    if (ternaryNumberString.size() == 3)
-    {
-        return (ternaryNumberString.front() - '0') * 3 * 3;
-    }
-
-    if (ternaryNumberString.size() == 2)
-    {
-        return (ternaryNumberString.front() - '0') * 3;
-    }
-
-    return ternaryNumberString.front() - '0';
+    size_t power = ternaryNumberString.size() - 1;
+    return (ternaryNumberString.front() - '0') * std::pow(3, power);
 }
 
 TEST(IntFromTernaryNumberString, one)

From ffc94788b2bcb0dfadd8933a3d9ab2f70f24aed7 Mon Sep 17 00:00:00 2001
From: Roman Mokych <mokych.roman@gmail.com>
Date: Wed, 7 Nov 2018 23:00:03 +0200
Subject: [PATCH 14/22] Implemented RED test for 4

---
 tdd_intro/homework/02_ternary_numbers/test.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tdd_intro/homework/02_ternary_numbers/test.cpp b/tdd_intro/homework/02_ternary_numbers/test.cpp
index 36c91fbc..3b2fffd3 100644
--- a/tdd_intro/homework/02_ternary_numbers/test.cpp
+++ b/tdd_intro/homework/02_ternary_numbers/test.cpp
@@ -52,3 +52,8 @@ TEST(IntFromTernaryNumberString, decimal9ForTernary100)
     EXPECT_EQ(9, IntFromTernaryNumberString("100"));
 }
 
+TEST(IntFromTernaryNumberString, decimal4ForTernary11)
+{
+    EXPECT_EQ(4, IntFromTernaryNumberString("11"));
+}
+

From 537bc439b579294fc80ff37bcb0f5d44c6e7bab4 Mon Sep 17 00:00:00 2001
From: Roman Mokych <mokych.roman@gmail.com>
Date: Wed, 7 Nov 2018 23:02:55 +0200
Subject: [PATCH 15/22] GREEN

---
 tdd_intro/homework/02_ternary_numbers/test.cpp | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/tdd_intro/homework/02_ternary_numbers/test.cpp b/tdd_intro/homework/02_ternary_numbers/test.cpp
index 3b2fffd3..ab9a4519 100644
--- a/tdd_intro/homework/02_ternary_numbers/test.cpp
+++ b/tdd_intro/homework/02_ternary_numbers/test.cpp
@@ -23,8 +23,17 @@ If your language provides a method in the standard library to perform the conver
 
 int IntFromTernaryNumberString(const std::string& ternaryNumberString)
 {
+    int result = 0;
+
     size_t power = ternaryNumberString.size() - 1;
-    return (ternaryNumberString.front() - '0') * std::pow(3, power);
+    result += (ternaryNumberString.front() - '0') * std::pow(3, power);
+
+    if (ternaryNumberString.size() > 1)
+    {
+        result += (ternaryNumberString.back() - '0');
+    }
+
+    return result;
 }
 
 TEST(IntFromTernaryNumberString, one)

From 508581eed096cefcc39e731e04f932713a415e9a Mon Sep 17 00:00:00 2001
From: Roman Mokych <mokych.roman@gmail.com>
Date: Wed, 7 Nov 2018 23:05:53 +0200
Subject: [PATCH 16/22] Implemented red test for '111'.

---
 tdd_intro/homework/02_ternary_numbers/test.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tdd_intro/homework/02_ternary_numbers/test.cpp b/tdd_intro/homework/02_ternary_numbers/test.cpp
index ab9a4519..296f2344 100644
--- a/tdd_intro/homework/02_ternary_numbers/test.cpp
+++ b/tdd_intro/homework/02_ternary_numbers/test.cpp
@@ -66,3 +66,8 @@ TEST(IntFromTernaryNumberString, decimal4ForTernary11)
     EXPECT_EQ(4, IntFromTernaryNumberString("11"));
 }
 
+TEST(IntFromTernaryNumberString, decimal13ForTernary111)
+{
+    EXPECT_EQ(13, IntFromTernaryNumberString("111"));
+}
+

From 65468fa9453c0dcd784cb81dfc6b08a9471d9493 Mon Sep 17 00:00:00 2001
From: Roman Mokych <mokych.roman@gmail.com>
Date: Wed, 7 Nov 2018 23:06:40 +0200
Subject: [PATCH 17/22] GREEN

---
 tdd_intro/homework/02_ternary_numbers/test.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tdd_intro/homework/02_ternary_numbers/test.cpp b/tdd_intro/homework/02_ternary_numbers/test.cpp
index 296f2344..a22a0ea6 100644
--- a/tdd_intro/homework/02_ternary_numbers/test.cpp
+++ b/tdd_intro/homework/02_ternary_numbers/test.cpp
@@ -28,6 +28,11 @@ int IntFromTernaryNumberString(const std::string& ternaryNumberString)
     size_t power = ternaryNumberString.size() - 1;
     result += (ternaryNumberString.front() - '0') * std::pow(3, power);
 
+    if (ternaryNumberString.size() > 2)
+    {
+        result += (ternaryNumberString.back() - '0') * 3;
+    }
+
     if (ternaryNumberString.size() > 1)
     {
         result += (ternaryNumberString.back() - '0');

From 8eaaa63df8d5e87ab7571355d713cecdf78c6769 Mon Sep 17 00:00:00 2001
From: Roman Mokych <mokych.roman@gmail.com>
Date: Wed, 7 Nov 2018 23:14:05 +0200
Subject: [PATCH 18/22] Refactoring.

---
 tdd_intro/homework/02_ternary_numbers/test.cpp | 14 +++-----------
 1 file changed, 3 insertions(+), 11 deletions(-)

diff --git a/tdd_intro/homework/02_ternary_numbers/test.cpp b/tdd_intro/homework/02_ternary_numbers/test.cpp
index a22a0ea6..aab6e8a2 100644
--- a/tdd_intro/homework/02_ternary_numbers/test.cpp
+++ b/tdd_intro/homework/02_ternary_numbers/test.cpp
@@ -24,18 +24,10 @@ If your language provides a method in the standard library to perform the conver
 int IntFromTernaryNumberString(const std::string& ternaryNumberString)
 {
     int result = 0;
-
-    size_t power = ternaryNumberString.size() - 1;
-    result += (ternaryNumberString.front() - '0') * std::pow(3, power);
-
-    if (ternaryNumberString.size() > 2)
-    {
-        result += (ternaryNumberString.back() - '0') * 3;
-    }
-
-    if (ternaryNumberString.size() > 1)
+    for (size_t i = 0; i < ternaryNumberString.size(); ++i)
     {
-        result += (ternaryNumberString.back() - '0');
+        size_t power = ternaryNumberString.size() - i - 1;
+        result += (ternaryNumberString[i] - '0') * std::pow(3, power);
     }
 
     return result;

From a058bd3969799e3eb83c2b13ff386a5d4ffe238f Mon Sep 17 00:00:00 2001
From: Roman Mokych <mokych.roman@gmail.com>
Date: Wed, 7 Nov 2018 23:15:30 +0200
Subject: [PATCH 19/22] Added acceptance test.

---
 tdd_intro/homework/02_ternary_numbers/test.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tdd_intro/homework/02_ternary_numbers/test.cpp b/tdd_intro/homework/02_ternary_numbers/test.cpp
index aab6e8a2..25e0d613 100644
--- a/tdd_intro/homework/02_ternary_numbers/test.cpp
+++ b/tdd_intro/homework/02_ternary_numbers/test.cpp
@@ -68,3 +68,8 @@ TEST(IntFromTernaryNumberString, decimal13ForTernary111)
     EXPECT_EQ(13, IntFromTernaryNumberString("111"));
 }
 
+TEST(IntFromTernaryNumberString, acceptance)
+{
+    EXPECT_EQ(302, IntFromTernaryNumberString("102012"));
+}
+

From 7b4d5d00d2319be87af91f5fdae9ded6fc54d975 Mon Sep 17 00:00:00 2001
From: Roman Mokych <mokych.roman@gmail.com>
Date: Wed, 7 Nov 2018 23:20:00 +0200
Subject: [PATCH 20/22] Implemented RED test for invalid ternary.

---
 tdd_intro/homework/02_ternary_numbers/test.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tdd_intro/homework/02_ternary_numbers/test.cpp b/tdd_intro/homework/02_ternary_numbers/test.cpp
index 25e0d613..38790996 100644
--- a/tdd_intro/homework/02_ternary_numbers/test.cpp
+++ b/tdd_intro/homework/02_ternary_numbers/test.cpp
@@ -68,6 +68,11 @@ TEST(IntFromTernaryNumberString, decimal13ForTernary111)
     EXPECT_EQ(13, IntFromTernaryNumberString("111"));
 }
 
+TEST(IntFromTernaryNumberString, zeroForInvalidTernary)
+{
+    EXPECT_EQ(0, IntFromTernaryNumberString("3"));
+}
+
 TEST(IntFromTernaryNumberString, acceptance)
 {
     EXPECT_EQ(302, IntFromTernaryNumberString("102012"));

From 65e138fb69f8c7be5d412a72488b1f50a9a6dd8d Mon Sep 17 00:00:00 2001
From: Roman Mokych <mokych.roman@gmail.com>
Date: Wed, 7 Nov 2018 23:21:36 +0200
Subject: [PATCH 21/22] GREEN

---
 tdd_intro/homework/02_ternary_numbers/test.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/tdd_intro/homework/02_ternary_numbers/test.cpp b/tdd_intro/homework/02_ternary_numbers/test.cpp
index 38790996..16ff26c3 100644
--- a/tdd_intro/homework/02_ternary_numbers/test.cpp
+++ b/tdd_intro/homework/02_ternary_numbers/test.cpp
@@ -22,10 +22,15 @@ If your language provides a method in the standard library to perform the conver
 
 
 int IntFromTernaryNumberString(const std::string& ternaryNumberString)
-{
+{    
     int result = 0;
     for (size_t i = 0; i < ternaryNumberString.size(); ++i)
     {
+        if (ternaryNumberString[i] < '0' || ternaryNumberString[i] > '2')
+        {
+            return 0;
+        }
+
         size_t power = ternaryNumberString.size() - i - 1;
         result += (ternaryNumberString[i] - '0') * std::pow(3, power);
     }

From 8886455824f432bd3344419a14cc5a9335fb2fd2 Mon Sep 17 00:00:00 2001
From: Roman Mokych <mokych.roman@gmail.com>
Date: Wed, 7 Nov 2018 23:22:53 +0200
Subject: [PATCH 22/22] Extended test for invalid ternary.

---
 tdd_intro/homework/02_ternary_numbers/test.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tdd_intro/homework/02_ternary_numbers/test.cpp b/tdd_intro/homework/02_ternary_numbers/test.cpp
index 16ff26c3..88992794 100644
--- a/tdd_intro/homework/02_ternary_numbers/test.cpp
+++ b/tdd_intro/homework/02_ternary_numbers/test.cpp
@@ -76,6 +76,8 @@ TEST(IntFromTernaryNumberString, decimal13ForTernary111)
 TEST(IntFromTernaryNumberString, zeroForInvalidTernary)
 {
     EXPECT_EQ(0, IntFromTernaryNumberString("3"));
+    EXPECT_EQ(0, IntFromTernaryNumberString("13"));
+    EXPECT_EQ(0, IntFromTernaryNumberString("."));
 }
 
 TEST(IntFromTernaryNumberString, acceptance)