Auto merge of #37212 - srinivasreddy:libcollectionstest, r=nrc

run rustfmt on libcollectionstest

src/libcollectionstest/binary_heap.rs

@@ -299,5 +299,7 @@ fn test_extend_specialization() {
 
 #[allow(dead_code)]
 fn assert_covariance() {
-    fn drain<'new>(d: Drain<'static, &'static str>) -> Drain<'new, &'new str> { d }
+    fn drain<'new>(d: Drain<'static, &'static str>) -> Drain<'new, &'new str> {
+        d
+    }
 }

src/libcollectionstest/btree/map.rs

@@ -533,9 +533,7 @@ fn $name() {
 
 fn rand_data(len: usize) -> Vec<(u32, u32)> {
     let mut rng = DeterministicRng::new();
-    Vec::from_iter(
-        (0..len).map(|_| (rng.next(), rng.next()))
-    )
+    Vec::from_iter((0..len).map(|_| (rng.next(), rng.next())))
 }
 
 #[test]

src/libcollectionstest/btree/mod.rs

@@ -25,7 +25,7 @@ fn new() -> Self {
             x: 0x193a6754,
             y: 0xa8a7d469,
             z: 0x97830e05,
-            w: 0x113ba7bb
+            w: 0x113ba7bb,
         }
     }
 

src/libcollectionstest/btree/set.rs

@@ -15,45 +15,51 @@
 
 #[test]
 fn test_clone_eq() {
-  let mut m = BTreeSet::new();
+    let mut m = BTreeSet::new();
 
-  m.insert(1);
-  m.insert(2);
+    m.insert(1);
+    m.insert(2);
 
-  assert!(m.clone() == m);
+    assert!(m.clone() == m);
 }
 
 #[test]
 fn test_hash() {
-  let mut x = BTreeSet::new();
-  let mut y = BTreeSet::new();
+    let mut x = BTreeSet::new();
+    let mut y = BTreeSet::new();
 
-  x.insert(1);
-  x.insert(2);
-  x.insert(3);
+    x.insert(1);
+    x.insert(2);
+    x.insert(3);
 
-  y.insert(3);
-  y.insert(2);
-  y.insert(1);
+    y.insert(3);
+    y.insert(2);
+    y.insert(1);
 
-  assert!(::hash(&x) == ::hash(&y));
+    assert!(::hash(&x) == ::hash(&y));
 }
 
-fn check<F>(a: &[i32], b: &[i32], expected: &[i32], f: F) where
-    F: FnOnce(&BTreeSet<i32>, &BTreeSet<i32>, &mut FnMut(&i32) -> bool) -> bool,
+fn check<F>(a: &[i32], b: &[i32], expected: &[i32], f: F)
+    where F: FnOnce(&BTreeSet<i32>, &BTreeSet<i32>, &mut FnMut(&i32) -> bool) -> bool
 {
     let mut set_a = BTreeSet::new();
     let mut set_b = BTreeSet::new();
 
-    for x in a { assert!(set_a.insert(*x)) }
-    for y in b { assert!(set_b.insert(*y)) }
+    for x in a {
+        assert!(set_a.insert(*x))
+    }
+    for y in b {
+        assert!(set_b.insert(*y))
+    }
 
     let mut i = 0;
-    f(&set_a, &set_b, &mut |&x| {
-        assert_eq!(x, expected[i]);
-        i += 1;
-        true
-    });
+    f(&set_a,
+      &set_b,
+      &mut |&x| {
+          assert_eq!(x, expected[i]);
+          i += 1;
+          true
+      });
     assert_eq!(i, expected.len());
 }
 
@@ -82,9 +88,7 @@ fn check_difference(a: &[i32], b: &[i32], expected: &[i32]) {
     check_difference(&[], &[], &[]);
     check_difference(&[1, 12], &[], &[1, 12]);
     check_difference(&[], &[1, 2, 3, 9], &[]);
-    check_difference(&[1, 3, 5, 9, 11],
-                     &[3, 9],
-                     &[1, 5, 11]);
+    check_difference(&[1, 3, 5, 9, 11], &[3, 9], &[1, 5, 11]);
     check_difference(&[-5, 11, 22, 33, 40, 42],
                      &[-12, -5, 14, 23, 34, 38, 39, 50],
                      &[11, 22, 33, 40, 42]);
@@ -245,10 +249,18 @@ fn cmp(&self, other: &Self) -> Ordering {
 fn test_variance() {
     use std::collections::btree_set::{IntoIter, Iter, Range};
 
-    fn set<'new>(v: BTreeSet<&'static str>) -> BTreeSet<&'new str> { v }
-    fn iter<'a, 'new>(v: Iter<'a, &'static str>) -> Iter<'a, &'new str> { v }
-    fn into_iter<'new>(v: IntoIter<&'static str>) -> IntoIter<&'new str> { v }
-    fn range<'a, 'new>(v: Range<'a, &'static str>) -> Range<'a, &'new str> { v }
+    fn set<'new>(v: BTreeSet<&'static str>) -> BTreeSet<&'new str> {
+        v
+    }
+    fn iter<'a, 'new>(v: Iter<'a, &'static str>) -> Iter<'a, &'new str> {
+        v
+    }
+    fn into_iter<'new>(v: IntoIter<&'static str>) -> IntoIter<&'new str> {
+        v
+    }
+    fn range<'a, 'new>(v: Range<'a, &'static str>) -> Range<'a, &'new str> {
+        v
+    }
 }
 
 #[test]
@@ -277,9 +289,7 @@ fn test_append() {
 
 fn rand_data(len: usize) -> Vec<u32> {
     let mut rng = DeterministicRng::new();
-    Vec::from_iter(
-        (0..len).map(|_| rng.next())
-    )
+    Vec::from_iter((0..len).map(|_| rng.next()))
 }
 
 #[test]

src/libcollectionstest/lib.rs

@@ -36,7 +36,9 @@
 use std::hash::{Hash, Hasher};
 use std::collections::hash_map::DefaultHasher;
 
-#[cfg(test)] #[macro_use] mod bench;
+#[cfg(test)]
+#[macro_use]
+mod bench;
 
 mod binary_heap;
 mod btree;

src/libcollectionstest/slice.rs

@@ -420,12 +420,12 @@ fn test_sort_stability() {
             // number this element is, i.e. the second elements
             // will occur in sorted order.
             let mut v: Vec<_> = (0..len)
-                                    .map(|_| {
-                                        let n = thread_rng().gen::<usize>() % 10;
-                                        counts[n] += 1;
-                                        (n, counts[n])
-                                    })
-                                    .collect();
+                .map(|_| {
+                    let n = thread_rng().gen::<usize>() % 10;
+                    counts[n] += 1;
+                    (n, counts[n])
+                })
+                .collect();
 
             // only sort on the first element, so an unstable sort
             // may mix up the counts.
@@ -1116,13 +1116,13 @@ fn clone(&self) -> Self {
     };
 
     spawn(move || {
-        // When xs is dropped, +5.
-        let xs = vec![canary.clone(), canary.clone(), canary.clone(), panic, canary]
-                     .into_boxed_slice();
+            // When xs is dropped, +5.
+            let xs = vec![canary.clone(), canary.clone(), canary.clone(), panic, canary]
+                .into_boxed_slice();
 
-        // When panic is cloned, +3.
-        xs.clone();
-    })
+            // When panic is cloned, +3.
+            xs.clone();
+        })
         .join()
         .unwrap_err();
 
@@ -1374,8 +1374,8 @@ fn sort_big_random_small(b: &mut Bencher) {
         let mut rng = thread_rng();
         b.iter(|| {
             let mut v = rng.gen_iter::<BigSortable>()
-                           .take(5)
-                           .collect::<Vec<BigSortable>>();
+                .take(5)
+                .collect::<Vec<BigSortable>>();
             v.sort();
         });
         b.bytes = 5 * mem::size_of::<BigSortable>() as u64;
@@ -1386,8 +1386,8 @@ fn sort_big_random_medium(b: &mut Bencher) {
         let mut rng = thread_rng();
         b.iter(|| {
             let mut v = rng.gen_iter::<BigSortable>()
-                           .take(100)
-                           .collect::<Vec<BigSortable>>();
+                .take(100)
+                .collect::<Vec<BigSortable>>();
             v.sort();
         });
         b.bytes = 100 * mem::size_of::<BigSortable>() as u64;
@@ -1398,8 +1398,8 @@ fn sort_big_random_large(b: &mut Bencher) {
         let mut rng = thread_rng();
         b.iter(|| {
             let mut v = rng.gen_iter::<BigSortable>()
-                           .take(10000)
-                           .collect::<Vec<BigSortable>>();
+                .take(10000)
+                .collect::<Vec<BigSortable>>();
             v.sort();
         });
         b.bytes = 10000 * mem::size_of::<BigSortable>() as u64;

src/libcollectionstest/vec.rs

@@ -607,8 +607,12 @@ fn test_from_cow() {
 
 #[allow(dead_code)]
 fn assert_covariance() {
-    fn drain<'new>(d: Drain<'static, &'static str>) -> Drain<'new, &'new str> { d }
-    fn into_iter<'new>(i: IntoIter<&'static str>) -> IntoIter<&'new str> { i }
+    fn drain<'new>(d: Drain<'static, &'static str>) -> Drain<'new, &'new str> {
+        d
+    }
+    fn into_iter<'new>(i: IntoIter<&'static str>) -> IntoIter<&'new str> {
+        i
+    }
 }
 
 #[bench]

src/libcollectionstest/vec_deque.rs

@@ -686,9 +686,9 @@ fn test_show() {
     assert_eq!(format!("{:?}", ringbuf), "[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]");
 
     let ringbuf: VecDeque<_> = vec!["just", "one", "test", "more"]
-                                   .iter()
-                                   .cloned()
-                                   .collect();
+        .iter()
+        .cloned()
+        .collect();
     assert_eq!(format!("{:?}", ringbuf),
                "[\"just\", \"one\", \"test\", \"more\"]");
 }
@@ -1003,5 +1003,7 @@ fn test_contains() {
 
 #[allow(dead_code)]
 fn assert_covariance() {
-    fn drain<'new>(d: Drain<'static, &'static str>) -> Drain<'new, &'new str> { d }
+    fn drain<'new>(d: Drain<'static, &'static str>) -> Drain<'new, &'new str> {
+        d
+    }
 }