Merge pull request 6boris#60 from hiepndd/develop

6boris · web-flow · commit 5e9ca4d2d127 · 2019-03-27T07:48:56.000+08:00
add solution problem 709
diff --git a/src/0709.To-Lower-Case/README.md b/src/0709.To-Lower-Case/README.md
@@ -0,0 +1,39 @@
+# [709. To Lower Case][title]
+
+## Description
+
+Implement function ToLowerCase() that has a string parameter str, and returns the same string in lowercase.
+
+**Example 1:**
+
+```
+Input: "Hello"
+Output: "hello"
+```
+
+
+**Example 2:**
+
+```
+Input: "LOVELY"
+Output: "lovely"
+```
+
+**Example 3:**
+
+```
+Input: "here"
+Output: "here"
+```
+
+
+
+
+
+
+
+
+
+
+[title]: https://leetcode.com/problems/to-lower-case/
+
diff --git a/src/0709.To-Lower-Case/Solution.go b/src/0709.To-Lower-Case/Solution.go
@@ -0,0 +1,7 @@
+package Solution
+
+import "strings"
+
+func toLowerCase(str string) string {
+	return strings.ToLower(str)
+}
diff --git a/src/0709.To-Lower-Case/Solution_test.go b/src/0709.To-Lower-Case/Solution_test.go
@@ -0,0 +1,27 @@
+package Solution
+
+import (
+	"reflect"
+	"testing"
+)
+
+func TestSolution(t *testing.T) {
+	cases := []struct {
+		name   string
+		input  string
+		expect string
+	}{
+		{"Test case 1", "HELLO", "hello"},
+		{"Test case 2", "here", "here"},
+		{"Test case 1", "LOVELY", "lovely"},
+	}
+
+	for _, testcase := range cases {
+		t.Run(testcase.name, func(t *testing.T) {
+			got := toLowerCase(testcase.input)
+			if !reflect.DeepEqual(got, testcase.expect) {
+				t.Fatalf("expected: %v, but got: %v, with input: %v ", testcase.expect, got, testcase.input)
+			}
+		})
+	}
+}
