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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/nullable-pointer-size.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/nullable-pointer-size.rs')
-rw-r--r--src/test/ui/nullable-pointer-size.rs35
1 files changed, 35 insertions, 0 deletions
diff --git a/src/test/ui/nullable-pointer-size.rs b/src/test/ui/nullable-pointer-size.rs
new file mode 100644
index 00000000000..63a106f1292
--- /dev/null
+++ b/src/test/ui/nullable-pointer-size.rs
@@ -0,0 +1,35 @@
+// run-pass
+
+#![allow(dead_code)]
+
+use std::mem;
+
+enum E<T> { Thing(isize, T), Nothing((), ((), ()), [i8; 0]) }
+struct S<T>(isize, T);
+
+// These are macros so we get useful assert messages.
+
+macro_rules! check_option {
+    ($T:ty) => {
+        assert_eq!(mem::size_of::<Option<$T>>(), mem::size_of::<$T>());
+    }
+}
+
+macro_rules! check_fancy {
+    ($T:ty) => {
+        assert_eq!(mem::size_of::<E<$T>>(), mem::size_of::<S<$T>>());
+    }
+}
+
+macro_rules! check_type {
+    ($T:ty) => {{
+        check_option!($T);
+        check_fancy!($T);
+    }}
+}
+
+pub fn main() {
+    check_type!(&'static isize);
+    check_type!(Box<isize>);
+    check_type!(extern fn());
+}