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Diffstat (limited to 'src/test/ui/typeid-intrinsic.rs')
-rw-r--r-- | src/test/ui/typeid-intrinsic.rs | 97 |
1 files changed, 97 insertions, 0 deletions
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>() + ); +} |