Ensure test coverage for const-random case.

src/random_state.rs

@@ -1,16 +1,16 @@
-#[cfg(feature = "runtime-rng")]
+#[cfg(all(feature = "runtime-rng", not(all(feature = "compile-time-rng", test))))]
 use crate::convert::Convert;
 use crate::{AHasher};
-#[cfg(all(not(feature = "runtime-rng"), feature = "compile-time-rng"))]
+#[cfg(all(feature = "compile-time-rng", any(not(feature = "runtime-rng"), test)))]
 use const_random::const_random;
 use core::fmt;
 use core::hash::BuildHasher;
 use core::hash::Hasher;
-#[cfg(feature = "runtime-rng")]
+#[cfg(all(feature = "runtime-rng", not(all(feature = "compile-time-rng", test))))]
 use lazy_static::*;
 use core::sync::atomic::{AtomicUsize, Ordering};
 
-#[cfg(feature = "runtime-rng")]
+#[cfg(all(feature = "runtime-rng", not(all(feature = "compile-time-rng", test))))]
 lazy_static! {
     static ref SEEDS: [[u64; 4]; 2] = {
         let mut result: [u8; 64] = [0; 64];
@@ -38,9 +38,9 @@ const PI2: [u64; 4] = [
 
 #[inline]
 pub(crate) fn seeds() -> [u64; 4] {
-    #[cfg(feature = "runtime-rng")]
+    #[cfg(all(feature = "runtime-rng", not(all(feature = "compile-time-rng", test))))]
     { SEEDS[1] }
-    #[cfg(all(not(feature = "runtime-rng"), feature = "compile-time-rng"))]
+    #[cfg(all(feature = "compile-time-rng", any(not(feature = "runtime-rng"), test)))]
     { [const_random!(u64), const_random!(u64), const_random!(u64), const_random!(u64)] }
     #[cfg(all(not(feature = "runtime-rng"), not(feature = "compile-time-rng")))]
     { PI }
@@ -72,12 +72,12 @@ impl RandomState {
     /// Use randomly generated keys
     #[inline]
     pub fn new() -> RandomState {
-        #[cfg(feature = "runtime-rng")]
+        #[cfg(all(feature = "runtime-rng", not(all(feature = "compile-time-rng", test))))]
         {
             let seeds = *SEEDS;
             RandomState::from_keys(seeds[0], seeds[1])
         }
-        #[cfg(all(not(feature = "runtime-rng"), feature = "compile-time-rng"))]
+        #[cfg(all(feature = "compile-time-rng", any(not(feature = "runtime-rng"), test)))]
         {
             RandomState::from_keys(
                 [const_random!(u64), const_random!(u64), const_random!(u64), const_random!(u64)],
@@ -193,12 +193,24 @@ mod test {
         assert_ne!(a.build_hasher().finish(), b.build_hasher().finish());
     }
 
-    #[cfg(feature = "runtime-rng")]
+    #[cfg(all(feature = "runtime-rng", not(all(feature = "compile-time-rng", test))))]
     #[test]
     fn test_not_pi() {
         assert_ne!(PI, seeds());
     }
 
+    #[cfg(all(feature = "compile-time-rng", any(not(feature = "runtime-rng"), test)))]
+    #[test]
+    fn test_not_pi_const() {
+        assert_ne!(PI, seeds());
+    }
+
+    #[cfg(all(not(feature = "runtime-rng"), not(feature = "compile-time-rng")))]
+    #[test]
+    fn test_pi() {
+        assert_eq!(PI, seeds());
+    }
+
     #[test]
     fn test_with_seeds_const() {
         const _CONST_RANDOM_STATE: RandomState = RandomState::with_seeds(17, 19, 21, 23);