Rollup merge of #39501 - phungleson:libcorebench, r=alexcrichton

[rust.git] / src / libcoretest / iter.rs

diff --git a/src/libcoretest/iter.rs b/src/libcoretest/iter.rs
index 89f59a9c2de7637935ad56b627ad3195c0da9e59..08442f9bcbff522d498b826d3dda8d1faf1b011e 100644 (file)
--- a/src/libcoretest/iter.rs
+++ b/src/libcoretest/iter.rs
@@ -188,6 +188,12 @@ fn test_iterator_enumerate_count() {
     assert_eq!(xs.iter().count(), 6);
 }
 
+#[test]
+fn test_iterator_filter_count() {
+    let xs = [0, 1, 2, 3, 4, 5, 6, 7, 8];
+    assert_eq!(xs.iter().filter(|&&x| x % 2 == 0).count(), 5);
+}
+
 #[test]
 fn test_iterator_peekable() {
     let xs = vec![0, 1, 2, 3, 4, 5];