summaryrefslogtreecommitdiffstats
path: root/src/test/ui/associated-consts/defaults-not-assumed-fail.rs
diff options
context:
space:
mode:
Diffstat (limited to 'src/test/ui/associated-consts/defaults-not-assumed-fail.rs')
-rw-r--r--src/test/ui/associated-consts/defaults-not-assumed-fail.rs44
1 files changed, 0 insertions, 44 deletions
diff --git a/src/test/ui/associated-consts/defaults-not-assumed-fail.rs b/src/test/ui/associated-consts/defaults-not-assumed-fail.rs
deleted file mode 100644
index 495dfb338..000000000
--- a/src/test/ui/associated-consts/defaults-not-assumed-fail.rs
+++ /dev/null
@@ -1,44 +0,0 @@
-// build-fail
-
-trait Tr {
- const A: u8 = 255;
-
- // This should not be a constant evaluation error (overflow). The value of
- // `Self::A` must not be assumed to hold inside the trait.
- const B: u8 = Self::A + 1;
- //~^ ERROR evaluation of `<() as Tr>::B` failed
-}
-
-// An impl that doesn't override any constant will NOT cause a const eval error
-// just because it's defined, but only if the bad constant is used anywhere.
-// This matches the behavior without defaults.
-impl Tr for () {}
-
-// An impl that overrides either constant with a suitable value will be fine.
-impl Tr for u8 {
- const A: u8 = 254;
-}
-
-impl Tr for u16 {
- const B: u8 = 0;
-}
-
-impl Tr for u32 {
- const A: u8 = 254;
- const B: u8 = 0;
-}
-
-fn main() {
- assert_eq!(<() as Tr>::A, 255);
- assert_eq!(<() as Tr>::B, 0); // causes the error above
- //~^ constant
-
- assert_eq!(<u8 as Tr>::A, 254);
- assert_eq!(<u8 as Tr>::B, 255);
-
- assert_eq!(<u16 as Tr>::A, 255);
- assert_eq!(<u16 as Tr>::B, 0);
-
- assert_eq!(<u32 as Tr>::A, 254);
- assert_eq!(<u32 as Tr>::B, 0);
-}