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Diffstat (limited to '')
-rw-r--r-- | src/test/ui/dep-graph/dep-graph-type-alias.rs | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/src/test/ui/dep-graph/dep-graph-type-alias.rs b/src/test/ui/dep-graph/dep-graph-type-alias.rs new file mode 100644 index 000000000..0e1b3db19 --- /dev/null +++ b/src/test/ui/dep-graph/dep-graph-type-alias.rs @@ -0,0 +1,56 @@ +// Test that changing what a `type` points to does not go unnoticed. + +// incremental +// compile-flags: -Z query-dep-graph + +#![feature(rustc_attrs)] +#![allow(dead_code)] +#![allow(unused_variables)] + +fn main() { } + + +#[rustc_if_this_changed] +type TypeAlias = u32; + +// The type alias directly affects the type of the field, +// not the enclosing struct: +#[rustc_then_this_would_need(type_of)] //~ ERROR no path +struct Struct { + #[rustc_then_this_would_need(type_of)] //~ ERROR OK + x: TypeAlias, + y: u32 +} + +#[rustc_then_this_would_need(type_of)] //~ ERROR no path +enum Enum { + Variant1 { + #[rustc_then_this_would_need(type_of)] //~ ERROR OK + t: TypeAlias + }, + Variant2(i32) +} + +#[rustc_then_this_would_need(type_of)] //~ ERROR no path +trait Trait { + #[rustc_then_this_would_need(fn_sig)] //~ ERROR OK + fn method(&self, _: TypeAlias); +} + +struct SomeType; + +#[rustc_then_this_would_need(type_of)] //~ ERROR no path +impl SomeType { + #[rustc_then_this_would_need(fn_sig)] //~ ERROR OK + #[rustc_then_this_would_need(typeck)] //~ ERROR OK + fn method(&self, _: TypeAlias) {} +} + +#[rustc_then_this_would_need(type_of)] //~ ERROR OK +type TypeAlias2 = TypeAlias; + +#[rustc_then_this_would_need(fn_sig)] //~ ERROR OK +#[rustc_then_this_would_need(typeck)] //~ ERROR OK +fn function(_: TypeAlias) { + +} |