From cf2dff2b1e3fa55fa5415d524200070d0d7aacfe Mon Sep 17 00:00:00 2001
From: Albert Larsan <74931857+albertlarsan68@users.noreply.github.com>
Date: Thu, 5 Jan 2023 09:13:28 +0100
Subject: Move /src/test to /tests

---
 .../packed-struct-generic-transmute.rs             | 27 ++++++++++++++++++++
 .../packed-struct-generic-transmute.stderr         | 12 +++++++++
 tests/ui/packed-struct/packed-struct-transmute.rs  | 29 ++++++++++++++++++++++
 .../packed-struct/packed-struct-transmute.stderr   | 12 +++++++++
 4 files changed, 80 insertions(+)
 create mode 100644 tests/ui/packed-struct/packed-struct-generic-transmute.rs
 create mode 100644 tests/ui/packed-struct/packed-struct-generic-transmute.stderr
 create mode 100644 tests/ui/packed-struct/packed-struct-transmute.rs
 create mode 100644 tests/ui/packed-struct/packed-struct-transmute.stderr

(limited to 'tests/ui/packed-struct')

diff --git a/tests/ui/packed-struct/packed-struct-generic-transmute.rs b/tests/ui/packed-struct/packed-struct-generic-transmute.rs
new file mode 100644
index 00000000000..c6264b6d2b3
--- /dev/null
+++ b/tests/ui/packed-struct/packed-struct-generic-transmute.rs
@@ -0,0 +1,27 @@
+// This assumes the packed and non-packed structs are different sizes.
+
+// the error points to the start of the file, not the line with the
+// transmute
+
+// error-pattern: cannot transmute between types of different sizes, or dependently-sized types
+
+use std::mem;
+
+#[repr(packed)]
+struct Foo<T,S> {
+    bar: T,
+    baz: S
+}
+
+struct Oof<T, S> {
+    rab: T,
+    zab: S
+}
+
+fn main() {
+    let foo = Foo { bar: [1u8, 2, 3, 4, 5], baz: 10i32 };
+    unsafe {
+        let oof: Oof<[u8; 5], i32> = mem::transmute(foo);
+        println!("{:?} {:?}", &oof.rab[..], oof.zab);
+    }
+}
diff --git a/tests/ui/packed-struct/packed-struct-generic-transmute.stderr b/tests/ui/packed-struct/packed-struct-generic-transmute.stderr
new file mode 100644
index 00000000000..744c832dbb4
--- /dev/null
+++ b/tests/ui/packed-struct/packed-struct-generic-transmute.stderr
@@ -0,0 +1,12 @@
+error[E0512]: cannot transmute between types of different sizes, or dependently-sized types
+  --> $DIR/packed-struct-generic-transmute.rs:24:38
+   |
+LL |         let oof: Oof<[u8; 5], i32> = mem::transmute(foo);
+   |                                      ^^^^^^^^^^^^^^
+   |
+   = note: source type: `Foo<[u8; 5], i32>` (72 bits)
+   = note: target type: `Oof<[u8; 5], i32>` (96 bits)
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0512`.
diff --git a/tests/ui/packed-struct/packed-struct-transmute.rs b/tests/ui/packed-struct/packed-struct-transmute.rs
new file mode 100644
index 00000000000..a7d284025d7
--- /dev/null
+++ b/tests/ui/packed-struct/packed-struct-transmute.rs
@@ -0,0 +1,29 @@
+// This assumes the packed and non-packed structs are different sizes.
+
+// the error points to the start of the file, not the line with the
+// transmute
+
+// normalize-stderr-test "\d+ bits" -> "N bits"
+// error-pattern: cannot transmute between types of different sizes, or dependently-sized types
+
+use std::mem;
+
+#[repr(packed)]
+struct Foo {
+    bar: u8,
+    baz: usize
+}
+
+#[derive(Debug)]
+struct Oof {
+    rab: u8,
+    zab: usize
+}
+
+fn main() {
+    let foo = Foo { bar: 1, baz: 10 };
+    unsafe {
+        let oof: Oof = mem::transmute(foo);
+        println!("{:?}", oof);
+    }
+}
diff --git a/tests/ui/packed-struct/packed-struct-transmute.stderr b/tests/ui/packed-struct/packed-struct-transmute.stderr
new file mode 100644
index 00000000000..80a8919f77b
--- /dev/null
+++ b/tests/ui/packed-struct/packed-struct-transmute.stderr
@@ -0,0 +1,12 @@
+error[E0512]: cannot transmute between types of different sizes, or dependently-sized types
+  --> $DIR/packed-struct-transmute.rs:26:24
+   |
+LL |         let oof: Oof = mem::transmute(foo);
+   |                        ^^^^^^^^^^^^^^
+   |
+   = note: source type: `Foo` (N bits)
+   = note: target type: `Oof` (N bits)
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0512`.
-- 
cgit 1.4.1-3-g733a5