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authorDavid Wood <david@davidtw.co>2018-08-08 14:50:16 +0200
committerDavid Wood <david@davidtw.co>2018-08-14 11:12:09 +0200
commit3fc7ab237314a4ce85e612b4ce590c27f1425291 (patch)
treec775f852e05e1272032cb053ee347315c973c7b5 /src/test/ui/enum/enum-to-float-cast.rs
parent3e0a4079884eab5b54489c92f7428cda2797ea5c (diff)
downloadrust-3fc7ab237314a4ce85e612b4ce590c27f1425291.tar.gz
rust-3fc7ab237314a4ce85e612b4ce590c27f1425291.zip
Merged migrated compile-fail tests and ui tests. Fixes #46841.
Diffstat (limited to 'src/test/ui/enum/enum-to-float-cast.rs')
-rw-r--r--src/test/ui/enum/enum-to-float-cast.rs31
1 files changed, 31 insertions, 0 deletions
diff --git a/src/test/ui/enum/enum-to-float-cast.rs b/src/test/ui/enum/enum-to-float-cast.rs
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+++ b/src/test/ui/enum/enum-to-float-cast.rs
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+// Copyright 2012 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.
+
+// Tests that enum-to-float casts are disallowed.
+
+enum E {
+    L0 = -1,
+    H0 = 1
+}
+
+enum F {
+    L1 = 1,
+    H1 = 0xFFFFFFFFFFFFFFFF
+}
+
+static C0: f32 = E::L0 as f32; //~ ERROR casting
+static C1: f32 = F::H1 as f32; //~ ERROR casting
+
+pub fn main() {
+    let b = C0;
+    let d = C1;
+    assert_eq!(b, -1.0f32);
+    assert_eq!(d, -1.0f32);
+}