Basic test project, tests intentionally incomplete

Author: sunjay

Cargo.lock

@@ -0,0 +1,6 @@
+[package]
+name = "examplerust"
+version = "1.0.0"
+authors = ["Sunjay Varma <[email protected]>"]
+
+[dependencies]

Cargo.toml

@@ -0,0 +1,62 @@
+const EYES: &'static str = ":";
+
+pub fn smile() -> String {
+    format!("{}{}", EYES, ")")
+}
+
+pub fn frown() -> String {
+    format!("{}{}", EYES, "(")
+}
+
+pub fn angry() -> String {
+    format!("{}{}{}", ">", EYES, "(")
+}
+
+/// Provides a string representation of a face
+///
+/// # Examples
+///
+/// ```
+/// # use examplerust::*;
+/// assert_eq!(which(&frown()), "Frown");
+/// ```
+pub fn which(face: &str) -> &'static str {
+    if face == smile() {
+        "Smile"
+    }
+    else if face == frown() {
+        "Frown"
+    }
+    else if face == angry() {
+        "Angry"
+    }
+    else {
+        "I don't know"
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn can_smile() {
+        assert_eq!(smile(), ":)");
+    }
+
+    #[test]
+    fn can_frown() {
+        assert_eq!(frown(), ":(");
+    }
+
+    #[test]
+    fn can_angry() {
+        assert_eq!(angry(), ">:(");
+    }
+
+    #[test]
+    fn string_representation() {
+        assert_eq!(which(&smile()), "Smile");
+    }
+}
+