bjoernager/rust
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Deduplicate and fix a test

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This commit is contained in:
Oliver Schneider 2018-06-03 19:37:50 +02:00
parent 9d613c27b7
commit eb31ae2e14
2 changed files with 11 additions and 48 deletions
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45
src/test/run-pass/ctfe/union-ice.rs
View file

@ -1,45 +0,0 @@
// Copyright 2018 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.
#![feature(const_fn)]
type Field1 = i32;
type Field2 = f32;
type Field3 = i64;
union DummyUnion {
field1: Field1,
field2: Field2,
field3: Field3,
}
const FLOAT1_AS_I32: i32 = 1065353216;
const UNION: DummyUnion = DummyUnion { field1: FLOAT1_AS_I32 };
const fn read_field1() -> Field1 {
const FIELD1: Field1 = unsafe { UNION.field1 };
FIELD1
}
const fn read_field2() -> Field2 {
const FIELD2: Field2 = unsafe { UNION.field2 };
FIELD2
}
const fn read_field3() -> Field3 {
const FIELD3: Field3 = unsafe { UNION.field3 };
FIELD3
}
fn main() {
assert_eq!(read_field1(), FLOAT1_AS_I32);
assert_eq!(read_field2(), 1.0);
assert_eq!(read_field3(), unsafe { UNION.field3 });
}

14
src/test/run-pass/union/union-const-eval-field.rs
View file

@ -10,7 +10,7 @@
#![feature(const_fn)]
type Field1 = i32;
type Field1 = (i32, u32);
type Field2 = f32;
type Field3 = i64;
@ -21,7 +21,7 @@ union DummyUnion {
}
const FLOAT1_AS_I32: i32 = 1065353216;
const UNION: DummyUnion = DummyUnion { field1: FLOAT1_AS_I32 };
const UNION: DummyUnion = DummyUnion { field1: (FLOAT1_AS_I32, 0) };
const fn read_field1() -> Field1 {
const FIELD1: Field1 = unsafe { UNION.field1 };
@ -39,7 +39,15 @@ const fn read_field3() -> Field3 {
}
fn main() {
assert_eq!(read_field1(), FLOAT1_AS_I32);
let foo = FLOAT1_AS_I32;
assert_eq!(read_field1().0, foo);
assert_eq!(read_field1().0, FLOAT1_AS_I32);
let foo = 1.0;
assert_eq!(read_field2(), foo);
assert_eq!(read_field2(), 1.0);
assert_eq!(read_field3(), unsafe { UNION.field3 });
let foo = unsafe { UNION.field3 };
assert_eq!(read_field3(), foo);
}