diff --git a/tests/stdlib/num-hash.dora b/tests/stdlib/num-hash.dora
index b89216b4e..e081a1e54 100644
--- a/tests/stdlib/num-hash.dora
+++ b/tests/stdlib/num-hash.dora
@@ -2,9 +2,12 @@ fn main() {
   assert(true.hash() == 1i32);
   assert(false.hash() == 0i32);
   assert(1.toUInt8().hash() == 1i32);
-  assert(1.hash() == 1i32);
+  assert(1i32.hash() == 1i32);
+
   assert(1i64.hash() == 1i32);
+  assert((1 << 32i).hash() == (1 ^ 0));
+  assert((1 << 31i).hash() == (1 << 31i));
+
   assert(1.0f32.hash() == 1065353216i32);
-  // double needs a better hash implementation
-  assert(1.0.hash() == 0i32);
+  assert(1.0.hash() == 1072693248);
 }