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