bendns' repos / rust-analyzer
Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/hir-ty/src/tests/simple.rs')
-rw-r--r--crates/hir-ty/src/tests/simple.rs58
1 files changed, 55 insertions, 3 deletions
diff --git a/crates/hir-ty/src/tests/simple.rs b/crates/hir-ty/src/tests/simple.rs
index 6f6b334c94..2e5787b701 100644
--- a/crates/hir-ty/src/tests/simple.rs
+++ b/crates/hir-ty/src/tests/simple.rs
@@ -3200,6 +3200,8 @@ fn func() {
"#,
);
}
+
+// FIXME
#[test]
fn castable_to() {
check_infer(
@@ -3224,10 +3226,60 @@ fn func() {
120..122 '{}': ()
138..184 '{ ...0]>; }': ()
148..149 'x': Box<[i32; 0]>
- 152..160 'Box::new': fn new<[i32; 0]>([i32; 0]) -> Box<[i32; 0]>
- 152..164 'Box::new([])': Box<[i32; 0]>
+ 152..160 'Box::new': fn new<[{unknown}; 0]>([{unknown}; 0]) -> Box<[{unknown}; 0]>
+ 152..164 'Box::new([])': Box<[{unknown}; 0]>
152..181 'Box::n...2; 0]>': Box<[i32; 0]>
- 161..163 '[]': [i32; 0]
+ 161..163 '[]': [{unknown}; 0]
+ "#]],
+ );
+}
+
+#[test]
+fn castable_to1() {
+ check_infer(
+ r#"
+struct Ark<T>(T);
+impl<T> Ark<T> {
+ fn foo(&self) -> *const T {
+ &self.0
+ }
+}
+fn f<T>(t: Ark<T>) {
+ Ark::foo(&t) as *const ();
+}
+"#,
+ expect![[r#"
+ 47..51 'self': &Ark<T>
+ 65..88 '{ ... }': *const T
+ 75..82 '&self.0': &T
+ 76..80 'self': &Ark<T>
+ 76..82 'self.0': T
+ 99..100 't': Ark<T>
+ 110..144 '{ ... (); }': ()
+ 116..124 'Ark::foo': fn foo<T>(&Ark<T>) -> *const T
+ 116..128 'Ark::foo(&t)': *const T
+ 116..141 'Ark::f...nst ()': *const ()
+ 125..127 '&t': &Ark<T>
+ 126..127 't': Ark<T>
+ "#]],
+ );
+}
+
+// FIXME
+#[test]
+fn castable_to2() {
+ check_infer(
+ r#"
+fn func() {
+ let x = &0u32 as *const _;
+}
+"#,
+ expect![[r#"
+ 10..44 '{ ...t _; }': ()
+ 20..21 'x': *const {unknown}
+ 24..29 '&0u32': &u32
+ 24..41 '&0u32 ...onst _': *const {unknown}
+ 25..29 '0u32': u32
"#]],
);
}