From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:02:58 +0200
Subject: Adding upstream version 1.64.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/test/ui/typeid-intrinsic.rs | 97 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 97 insertions(+)
 create mode 100644 src/test/ui/typeid-intrinsic.rs

(limited to 'src/test/ui/typeid-intrinsic.rs')

diff --git a/src/test/ui/typeid-intrinsic.rs b/src/test/ui/typeid-intrinsic.rs
new file mode 100644
index 000000000..5bc4e0c21
--- /dev/null
+++ b/src/test/ui/typeid-intrinsic.rs
@@ -0,0 +1,97 @@
+// run-pass
+
+#![allow(deprecated)]
+// aux-build:typeid-intrinsic-aux1.rs
+// aux-build:typeid-intrinsic-aux2.rs
+
+#![feature(core_intrinsics)]
+
+extern crate typeid_intrinsic_aux1 as other1;
+extern crate typeid_intrinsic_aux2 as other2;
+
+use std::hash::{SipHasher, Hasher, Hash};
+use std::any::TypeId;
+
+struct A;
+struct Test;
+
+pub fn main() {
+    assert_eq!(TypeId::of::<other1::A>(), other1::id_A());
+    assert_eq!(TypeId::of::<other1::B>(), other1::id_B());
+    assert_eq!(TypeId::of::<other1::C>(), other1::id_C());
+    assert_eq!(TypeId::of::<other1::D>(), other1::id_D());
+    assert_eq!(TypeId::of::<other1::E>(), other1::id_E());
+    assert_eq!(TypeId::of::<other1::F>(), other1::id_F());
+    assert_eq!(TypeId::of::<other1::G>(), other1::id_G());
+    assert_eq!(TypeId::of::<other1::H>(), other1::id_H());
+    assert_eq!(TypeId::of::<other1::I>(), other1::id_I());
+
+    assert_eq!(TypeId::of::<other2::A>(), other2::id_A());
+    assert_eq!(TypeId::of::<other2::B>(), other2::id_B());
+    assert_eq!(TypeId::of::<other2::C>(), other2::id_C());
+    assert_eq!(TypeId::of::<other2::D>(), other2::id_D());
+    assert_eq!(TypeId::of::<other2::E>(), other2::id_E());
+    assert_eq!(TypeId::of::<other2::F>(), other2::id_F());
+    assert_eq!(TypeId::of::<other2::G>(), other2::id_G());
+    assert_eq!(TypeId::of::<other2::H>(), other2::id_H());
+    assert_eq!(TypeId::of::<other1::I>(), other2::id_I());
+
+    assert_eq!(other1::id_F(), other2::id_F());
+    assert_eq!(other1::id_G(), other2::id_G());
+    assert_eq!(other1::id_H(), other2::id_H());
+    assert_eq!(other1::id_I(), other2::id_I());
+
+    assert_eq!(TypeId::of::<isize>(), other2::foo::<isize>());
+    assert_eq!(TypeId::of::<isize>(), other1::foo::<isize>());
+    assert_eq!(other2::foo::<isize>(), other1::foo::<isize>());
+    assert_eq!(TypeId::of::<A>(), other2::foo::<A>());
+    assert_eq!(TypeId::of::<A>(), other1::foo::<A>());
+    assert_eq!(other2::foo::<A>(), other1::foo::<A>());
+
+    // sanity test of TypeId
+    let (a, b, c) = (TypeId::of::<usize>(), TypeId::of::<&'static str>(),
+                     TypeId::of::<Test>());
+    let (d, e, f) = (TypeId::of::<usize>(), TypeId::of::<&'static str>(),
+                     TypeId::of::<Test>());
+
+    assert!(a != b);
+    assert!(a != c);
+    assert!(b != c);
+
+    assert_eq!(a, d);
+    assert_eq!(b, e);
+    assert_eq!(c, f);
+
+    // check it has a hash
+    let (a, b) = (TypeId::of::<usize>(), TypeId::of::<usize>());
+
+    let mut s1 = SipHasher::new();
+    a.hash(&mut s1);
+    let mut s2 = SipHasher::new();
+    b.hash(&mut s2);
+
+    assert_eq!(s1.finish(), s2.finish());
+
+    // Check projections
+
+    assert_eq!(TypeId::of::<other1::I32Iterator>(), other1::id_i32_iterator());
+    assert_eq!(TypeId::of::<other1::U32Iterator>(), other1::id_u32_iterator());
+    assert_eq!(other1::id_i32_iterator(), other2::id_i32_iterator());
+    assert_eq!(other1::id_u32_iterator(), other2::id_u32_iterator());
+    assert_ne!(other1::id_i32_iterator(), other1::id_u32_iterator());
+    assert_ne!(TypeId::of::<other1::I32Iterator>(), TypeId::of::<other1::U32Iterator>());
+
+    // Check fn pointer against collisions
+    assert_ne!(
+        TypeId::of::<fn(fn(A) -> A) -> A>(),
+        TypeId::of::<fn(fn() -> A, A) -> A>()
+    );
+    assert_ne!(
+        TypeId::of::<for<'a> fn(&'a i32) -> &'a i32>(),
+        TypeId::of::<for<'a> fn(&'a i32) -> &'static i32>()
+    );
+    assert_ne!(
+        TypeId::of::<for<'a, 'b> fn(&'a i32, &'b i32) -> &'a i32>(),
+        TypeId::of::<for<'a, 'b> fn(&'b i32, &'a i32) -> &'a i32>()
+    );
+}
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