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authorFelix S. Klock II <pnkfelix@pnkfx.org>2018-08-30 13:16:59 +0200
committerFelix S. Klock II <pnkfelix@pnkfx.org>2018-09-06 13:00:26 +0200
commit7834c2284801766f9925576e8f4d05d7cb7b23dd (patch)
treeb0676510293a1ab5317291bd79f4136754dae764 /src/test/ui/run-pass/statics/static-recursive.rs
parent20ca02569ae3e1dc29962e92739fbab632abf241 (diff)
downloadrust-7834c2284801766f9925576e8f4d05d7cb7b23dd.tar.gz
rust-7834c2284801766f9925576e8f4d05d7cb7b23dd.zip
Migrated slew of run-pass tests to various subdirectories of `ui/run-pass/`.
Diffstat (limited to 'src/test/ui/run-pass/statics/static-recursive.rs')
-rw-r--r--src/test/ui/run-pass/statics/static-recursive.rs45
1 files changed, 45 insertions, 0 deletions
diff --git a/src/test/ui/run-pass/statics/static-recursive.rs b/src/test/ui/run-pass/statics/static-recursive.rs
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+++ b/src/test/ui/run-pass/statics/static-recursive.rs
@@ -0,0 +1,45 @@
+// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+static mut S: *const u8 = unsafe { &S as *const *const u8 as *const u8 };
+
+struct StaticDoubleLinked {
+    prev: &'static StaticDoubleLinked,
+    next: &'static StaticDoubleLinked,
+    data: i32,
+    head: bool
+}
+
+static L1: StaticDoubleLinked = StaticDoubleLinked{prev: &L3, next: &L2, data: 1, head: true};
+static L2: StaticDoubleLinked = StaticDoubleLinked{prev: &L1, next: &L3, data: 2, head: false};
+static L3: StaticDoubleLinked = StaticDoubleLinked{prev: &L2, next: &L1, data: 3, head: false};
+
+
+pub fn main() {
+    unsafe { assert_eq!(S, *(S as *const *const u8)); }
+
+    let mut test_vec = Vec::new();
+    let mut cur = &L1;
+    loop {
+        test_vec.push(cur.data);
+        cur = cur.next;
+        if cur.head { break }
+    }
+    assert_eq!(&test_vec, &[1,2,3]);
+
+    let mut test_vec = Vec::new();
+    let mut cur = &L1;
+    loop {
+        cur = cur.prev;
+        test_vec.push(cur.data);
+        if cur.head { break }
+    }
+    assert_eq!(&test_vec, &[3,2,1]);
+}