s0017

tests/s0017_letter_combinations_of_a_phone_number.cpp

@@ -0,0 +1,24 @@
+#include "s0017_letter_combinations_of_a_phone_number.hpp"
+
+#include <gtest/gtest.h>
+
+TEST(Problem17, Case1) {
+  string i{"23"};
+  vector<string> o{"ad", "bd", "cd", "ae", "be", "ce", "af", "bf", "cf"};
+  Solution solution;
+  EXPECT_EQ(solution.letterCombinations(i), o);
+}
+
+TEST(Problem17, Case2) {
+  string i{""};
+  vector<string> o{};
+  Solution solution;
+  EXPECT_EQ(solution.letterCombinations(i), o);
+}
+
+TEST(Problem17, Case3) {
+  string i{"2"};
+  vector<string> o{"a", "b", "c"};
+  Solution solution;
+  EXPECT_EQ(solution.letterCombinations(i), o);
+}