Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/ide/src/inlay_hints/fn_lifetime_fn.rs')
| -rw-r--r-- | crates/ide/src/inlay_hints/fn_lifetime_fn.rs | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/crates/ide/src/inlay_hints/fn_lifetime_fn.rs b/crates/ide/src/inlay_hints/fn_lifetime_fn.rs index ae8f4549dd..25a4866fc3 100644 --- a/crates/ide/src/inlay_hints/fn_lifetime_fn.rs +++ b/crates/ide/src/inlay_hints/fn_lifetime_fn.rs @@ -188,3 +188,110 @@ pub(super) fn hints( } Some(()) } + +#[cfg(test)] +mod tests { + use crate::{ + inlay_hints::tests::{check, check_with_config, TEST_CONFIG}, + InlayHintsConfig, LifetimeElisionHints, + }; + + #[test] + fn hints_lifetimes() { + check( + r#" +fn empty() {} + +fn no_gpl(a: &()) {} + //^^^^^^<'0> + // ^'0 +fn empty_gpl<>(a: &()) {} + // ^'0 ^'0 +fn partial<'b>(a: &(), b: &'b ()) {} +// ^'0, $ ^'0 +fn partial<'a>(a: &'a (), b: &()) {} +// ^'0, $ ^'0 + +fn single_ret(a: &()) -> &() {} +// ^^^^^^^^^^<'0> + // ^'0 ^'0 +fn full_mul(a: &(), b: &()) {} +// ^^^^^^^^<'0, '1> + // ^'0 ^'1 + +fn foo<'c>(a: &'c ()) -> &() {} + // ^'c + +fn nested_in(a: & &X< &()>) {} +// ^^^^^^^^^<'0, '1, '2> + //^'0 ^'1 ^'2 +fn nested_out(a: &()) -> & &X< &()>{} +// ^^^^^^^^^^<'0> + //^'0 ^'0 ^'0 ^'0 + +impl () { + fn foo(&self) {} + // ^^^<'0> + // ^'0 + fn foo(&self) -> &() {} + // ^^^<'0> + // ^'0 ^'0 + fn foo(&self, a: &()) -> &() {} + // ^^^<'0, '1> + // ^'0 ^'1 ^'0 +} +"#, + ); + } + + #[test] + fn hints_lifetimes_named() { + check_with_config( + InlayHintsConfig { param_names_for_lifetime_elision_hints: true, ..TEST_CONFIG }, + r#" +fn nested_in<'named>(named: & &X< &()>) {} +// ^'named1, 'named2, 'named3, $ + //^'named1 ^'named2 ^'named3 +"#, + ); + } + + #[test] + fn hints_lifetimes_trivial_skip() { + check_with_config( + InlayHintsConfig { + lifetime_elision_hints: LifetimeElisionHints::SkipTrivial, + ..TEST_CONFIG + }, + r#" +fn no_gpl(a: &()) {} +fn empty_gpl<>(a: &()) {} +fn partial<'b>(a: &(), b: &'b ()) {} +fn partial<'a>(a: &'a (), b: &()) {} + +fn single_ret(a: &()) -> &() {} +// ^^^^^^^^^^<'0> + // ^'0 ^'0 +fn full_mul(a: &(), b: &()) {} + +fn foo<'c>(a: &'c ()) -> &() {} + // ^'c + +fn nested_in(a: & &X< &()>) {} +fn nested_out(a: &()) -> & &X< &()>{} +// ^^^^^^^^^^<'0> + //^'0 ^'0 ^'0 ^'0 + +impl () { + fn foo(&self) {} + fn foo(&self) -> &() {} + // ^^^<'0> + // ^'0 ^'0 + fn foo(&self, a: &()) -> &() {} + // ^^^<'0, '1> + // ^'0 ^'1 ^'0 +} +"#, + ); + } +} |