restore tests accidentally removed in #30182

Author: tamird

src/libcollections/slice.rs

@@ -110,6 +110,9 @@ pub use core::slice::{Iter, IterMut};
 pub use core::slice::{SplitMut, ChunksMut, Split};
 #[stable(feature = "rust1", since = "1.0.0")]
 pub use core::slice::{SplitN, RSplitN, SplitNMut, RSplitNMut};
+#[unstable(feature = "slice_bytes", issue = "27740")]
+#[allow(deprecated)]
+pub use core::slice::bytes;
 #[stable(feature = "rust1", since = "1.0.0")]
 pub use core::slice::{from_raw_parts, from_raw_parts_mut};
 

src/libcollectionstest/slice.rs

@@ -866,6 +866,17 @@ fn test_vec_default() {
     t!(Vec<i32>);
 }
 
+#[test]
+fn test_bytes_set_memory() {
+    use std::slice::bytes::MutableByteVector;
+
+    let mut values = [1,2,3,4,5];
+    values[0..5].set_memory(0xAB);
+    assert!(values == [0xAB, 0xAB, 0xAB, 0xAB, 0xAB]);
+    values[2..4].set_memory(0xFF);
+    assert!(values == [0xAB, 0xAB, 0xFF, 0xFF, 0xAB]);
+}
+
 #[test]
 #[should_panic]
 fn test_overflow_does_not_cause_segfault() {

src/libcoretest/num/mod.rs

@@ -54,6 +54,14 @@ mod tests {
     use core::option::Option::{Some, None};
     use core::num::Float;
 
+    #[test]
+    fn from_str_issue7588() {
+        let u : Option<u8> = u8::from_str_radix("1000", 10).ok();
+        assert_eq!(u, None);
+        let s : Option<i16> = i16::from_str_radix("80000", 10).ok();
+        assert_eq!(s, None);
+    }
+
     #[test]
     fn test_int_from_str_overflow() {
         let mut i8_val: i8 = 127;