Factor out the gold testing infrastructure so we can use it elsewhere.

src/cryptonum/gold_tests.rs

@@ -1,60 +1,5 @@
-use std::collections::HashMap;
-use std::fs::File;
-use std::io::Read;
-use std::str::Lines;
-
-use cryptonum::unsigned::{UCN,BarrettUCN};
-use cryptonum::signed::SCN;
-
-fn next_value_set(line: &str) -> (String, SCN)
-{
-    assert!(line.is_ascii());
-    assert_eq!(": ", &line[1..3]);
-    let key = String::from(&line[0..1]);
-    let val = SCN::from_str(&line[3..]);
-    (key, val)
-}
-
-fn next_test_case(contents: &mut Lines, lines: usize) ->
-    Option<HashMap<String,SCN>>
-{
-    let mut res = HashMap::new();
-    let mut count = 0;
-
-    while count < lines {
-        let line = contents.next()?;
-        let (key, val) = next_value_set(line);
-        res.insert(key, val);
-        count += 1;
-    }
-
-    Some(res)
-}
-
-fn make_unsigned(m: HashMap<String,SCN>) -> HashMap<String,UCN>
-{
-    let mut res: HashMap<String,UCN> = HashMap::new();
-
-    for (key, sval) in m.iter() {
-        assert!(!sval.is_negative());
-        res.insert(key.clone(), sval.clone().into());
-    }
-
-    res
-}
-
-fn run_test<F>(fname: &'static str, i: usize, f: F)
- where F: Fn(HashMap<String,SCN>)
-{
-    let mut file = File::open(fname).unwrap();
-    let mut contents = String::new();
-    file.read_to_string(&mut contents).unwrap();
-    let mut iter = contents.lines();
-
-    while let Some(scase) = next_test_case(&mut iter, i) {
-        f(scase);
-    }
-}
+use cryptonum::unsigned::BarrettUCN;
+use testing::{make_unsigned,run_test};
 
 #[test]
 fn unsigned_sum_test()

src/lib.rs

@@ -27,6 +27,9 @@ pub mod cryptonum;
 /// key material there.
 pub mod rsa;
 
+#[cfg(test)]
+mod testing;
+
 #[cfg(test)]
 mod test {
 }

src/testing.rs

@@ -0,0 +1,57 @@
+use cryptonum::{SCN,UCN};
+use std::collections::HashMap;
+use std::fs::File;
+use std::io::Read;
+use std::str::Lines;
+
+fn next_value_set(line: &str) -> (String, SCN)
+{
+    assert!(line.is_ascii());
+    assert_eq!(": ", &line[1..3]);
+    let key = String::from(&line[0..1]);
+    let val = SCN::from_str(&line[3..]);
+    (key, val)
+}
+
+fn next_test_case(contents: &mut Lines, lines: usize) ->
+    Option<HashMap<String,SCN>>
+{
+    let mut res = HashMap::new();
+    let mut count = 0;
+
+    while count < lines {
+        let line = contents.next()?;
+        let (key, val) = next_value_set(line);
+        res.insert(key, val);
+        count += 1;
+    }
+
+    Some(res)
+}
+
+pub fn make_unsigned(m: HashMap<String,SCN>) -> HashMap<String,UCN>
+{
+    let mut res: HashMap<String,UCN> = HashMap::new();
+
+    for (key, sval) in m.iter() {
+        assert!(!sval.is_negative());
+        res.insert(key.clone(), sval.clone().into());
+    }
+
+    res
+}
+
+pub fn run_test<F>(fname: &'static str, i: usize, f: F)
+ where F: Fn(HashMap<String,SCN>)
+{
+    let mut file = File::open(fname).unwrap();
+    let mut contents = String::new();
+    file.read_to_string(&mut contents).unwrap();
+    let mut iter = contents.lines();
+
+    while let Some(scase) = next_test_case(&mut iter, i) {
+        f(scase);
+    }
+}
+
+