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authorVadim Petrochenkov <vadim.petrochenkov@gmail.com>2019-07-27 01:33:01 +0300
committerVadim Petrochenkov <vadim.petrochenkov@gmail.com>2019-07-27 18:56:16 +0300
commit9be35f82c1abf2ecbab489bca9eca138ea648312 (patch)
tree69888506e34af447d9748c0d542de3ba1dd76210 /src/test/ui/union/union-basic.rs
parentca9faa52f5ada0054b1fa27d97aedf448afb059b (diff)
downloadrust-9be35f82c1abf2ecbab489bca9eca138ea648312.tar.gz
rust-9be35f82c1abf2ecbab489bca9eca138ea648312.zip
tests: Move run-pass tests without naming conflicts to ui
Diffstat (limited to 'src/test/ui/union/union-basic.rs')
-rw-r--r--src/test/ui/union/union-basic.rs59
1 files changed, 59 insertions, 0 deletions
diff --git a/src/test/ui/union/union-basic.rs b/src/test/ui/union/union-basic.rs
new file mode 100644
index 00000000000..73cc9793f2c
--- /dev/null
+++ b/src/test/ui/union/union-basic.rs
@@ -0,0 +1,59 @@
+// run-pass
+#![allow(unused_imports)]
+
+// aux-build:union.rs
+
+extern crate union;
+use std::mem::{size_of, align_of, zeroed};
+
+union U {
+    a: u8,
+    b: u16
+}
+
+fn local() {
+    assert_eq!(size_of::<U>(), 2);
+    assert_eq!(align_of::<U>(), 2);
+
+    let u = U { a: 10 };
+    unsafe {
+        assert_eq!(u.a, 10);
+        let U { a } = u;
+        assert_eq!(a, 10);
+    }
+
+    let mut w = U { b: 0 };
+    unsafe {
+        assert_eq!(w.a, 0);
+        assert_eq!(w.b, 0);
+        w.a = 1;
+        assert_eq!(w.a, 1);
+        assert_eq!(w.b.to_le(), 1);
+    }
+}
+
+fn xcrate() {
+    assert_eq!(size_of::<union::U>(), 2);
+    assert_eq!(align_of::<union::U>(), 2);
+
+    let u = union::U { a: 10 };
+    unsafe {
+        assert_eq!(u.a, 10);
+        let union::U { a } = u;
+        assert_eq!(a, 10);
+    }
+
+    let mut w = union::U { b: 0 };
+    unsafe {
+        assert_eq!(w.a, 0);
+        assert_eq!(w.b, 0);
+        w.a = 1;
+        assert_eq!(w.a, 1);
+        assert_eq!(w.b.to_le(), 1);
+    }
+}
+
+fn main() {
+    local();
+    xcrate();
+}