2 ternary numbers

.gitignore

@@ -30,3 +30,9 @@
 *.exe
 *.out
 *.app
+
+# Build dirs
+build-*
+
+# .user files
+*.user

tdd_intro/homework/02_ternary_numbers/test.cpp

@@ -16,3 +16,30 @@ 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.
 */
+
+int Power(int number, int index)
+{
+    return 0;
+}
+int TerToDec(const std::string& ternary)
+{
+    return std::stoi(ternary);
+}
+
+TEST(PowerTest, ItReturnSameNumberForIndexOne)
+{
+    EXPECT_EQ(5, Power(5, 1));
+}
+
+TEST(TerToDecTest, ItReturnsOneForOne)
+{
+    EXPECT_EQ(1, TerToDec("1"));
+}
+TEST(TerToDecTest, ItReturnsZeroForZero)
+{
+    EXPECT_EQ(0, TerToDec("0"));
+}
+TEST(TerToDecTest, ItReturnsDecRepresentationForTwoDigitNumber)
+{
+    EXPECT_EQ(4, TerToDec("11"));
+}