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-rw-r--r--tests/test_iter.rs22
1 files changed, 22 insertions, 0 deletions
diff --git a/tests/test_iter.rs b/tests/test_iter.rs
new file mode 100644
index 0000000..13b86cd
--- /dev/null
+++ b/tests/test_iter.rs
@@ -0,0 +1,22 @@
+#![deny(warnings, rust_2018_idioms)]
+
+use bytes::Bytes;
+
+#[test]
+fn iter_len() {
+ let buf = Bytes::from_static(b"hello world");
+ let iter = buf.iter();
+
+ assert_eq!(iter.size_hint(), (11, Some(11)));
+ assert_eq!(iter.len(), 11);
+}
+
+
+#[test]
+fn empty_iter_len() {
+ let buf = Bytes::from_static(b"");
+ let iter = buf.iter();
+
+ assert_eq!(iter.size_hint(), (0, Some(0)));
+ assert_eq!(iter.len(), 0);
+}