1 files changed, 19 insertions, 0 deletions
diff --git a/tests/test_core.rs b/tests/test_core.rs
index bcdca0e..a7b7449 100644
--- a/tests/test_core.rs
+++ b/tests/test_core.rs
@@ -9,6 +9,8 @@ use core::iter;
 use itertools as it;
 use crate::it::Itertools;
 use crate::it::interleave;
+use crate::it::intersperse;
+use crate::it::intersperse_with;
 use crate::it::multizip;
 use crate::it::free::put_back;
 use crate::it::iproduct;
@@ -136,6 +138,23 @@ fn test_interleave() {
     it::assert_equal(it, rs.iter());
 }
 
+#[test]
+fn test_intersperse() {
+    let xs = [1u8, 2, 3];
+    let ys = [1u8, 0, 2, 0, 3];
+    let it = intersperse(&xs, &0);
+    it::assert_equal(it, ys.iter());
+}
+
+#[test]
+fn test_intersperse_with() {
+    let xs = [1u8, 2, 3];
+    let ys = [1u8, 10, 2, 10, 3];
+    let i = 10;
+    let it = intersperse_with(&xs, || &i);
+    it::assert_equal(it, ys.iter());
+}
+
 #[allow(deprecated)]
 #[test]
 fn foreach() {