Add test to ensure Advisories.toml is well-formed

src/lib.rs

@@ -0,0 +1,25 @@
+extern crate rustsec;
+
+#[cfg(test)]
+mod tests {
+    // Name of the advisory database in the current repo
+    const ADVISORY_DB_FILE: &'static str = "Advisories.toml";
+
+    use rustsec::AdvisoryDatabase;
+    use std::fs::File;
+    use std::io::Read;
+    use std::path::Path;
+
+    #[test]
+    fn advisories_toml_is_well_formed() {
+        let path = Path::new(ADVISORY_DB_FILE);
+
+        let mut file = File::open(&path).unwrap();
+
+        let mut toml = String::new();
+        file.read_to_string(&mut toml).unwrap();
+
+        // Ensure Advisories.toml parses
+        AdvisoryDatabase::from_toml(&toml).unwrap();
+    }
+}