Create a quick calculation and test to make sure it works.

.gitignore

@@ -1,3 +1,4 @@
 /target
 **/*.rs.bk
 Cargo.lock
+.idea

Cargo.toml

@@ -1,5 +1,5 @@
 [package]
-name = "embedded-uptime"
+name = "embedded-unit-converter"
 version = "0.1.0"
 authors = ["Dorian Pula <dorian.pula@points.com>"]
 edition = "2018"

src/lib.rs

@@ -1,7 +1,14 @@
+fn convert_celsius_to_fahrenheit(celsius: f32) -> f32 {
+    celsius * 1.8 + 32.0
+}
+
 #[cfg(test)]
 mod tests {
+
+    use super::convert_celsius_to_fahrenheit;
+
     #[test]
-    fn it_works() {
-        assert_eq!(2 + 2, 4);
+    fn conversion_celsius_to_fahrenheit() {
+        assert_eq!(convert_celsius_to_fahrenheit(25.0), 77.0);
     }
 }