Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/proc-macro-srv/src/tests/mod.rs')
| -rw-r--r-- | crates/proc-macro-srv/src/tests/mod.rs | 58 |
1 files changed, 55 insertions, 3 deletions
diff --git a/crates/proc-macro-srv/src/tests/mod.rs b/crates/proc-macro-srv/src/tests/mod.rs index 968e887000..1e2e8da60c 100644 --- a/crates/proc-macro-srv/src/tests/mod.rs +++ b/crates/proc-macro-srv/src/tests/mod.rs @@ -10,16 +10,44 @@ use expect_test::expect; fn test_derive_empty() { assert_expand( "DeriveEmpty", - r#"struct S;"#, + r#"struct S { field: &'r#lt fn(u32) -> &'a r#u32 }"#, expect![[r#" IDENT 1 struct IDENT 1 S - PUNCT 1 ; [alone] + GROUP {} 1 1 1 + IDENT 1 field + PUNCT 1 : [alone] + PUNCT 1 & [joint] + PUNCT 1 ' [joint] + IDENT 1 r#lt + IDENT 1 fn + GROUP () 1 1 1 + IDENT 1 u32 + PUNCT 1 - [joint] + PUNCT 1 > [alone] + PUNCT 1 & [joint] + PUNCT 1 ' [joint] + IDENT 1 a + IDENT 1 r#u32 "#]], expect![[r#" IDENT 42:Root[0000, 0]@0..6#ROOT2024 struct IDENT 42:Root[0000, 0]@7..8#ROOT2024 S - PUNCT 42:Root[0000, 0]@8..9#ROOT2024 ; [alone] + GROUP {} 42:Root[0000, 0]@9..10#ROOT2024 42:Root[0000, 0]@46..47#ROOT2024 42:Root[0000, 0]@9..47#ROOT2024 + IDENT 42:Root[0000, 0]@11..16#ROOT2024 field + PUNCT 42:Root[0000, 0]@16..17#ROOT2024 : [alone] + PUNCT 42:Root[0000, 0]@18..19#ROOT2024 & [joint] + PUNCT 42:Root[0000, 0]@22..23#ROOT2024 ' [joint] + IDENT 42:Root[0000, 0]@22..24#ROOT2024 r#lt + IDENT 42:Root[0000, 0]@25..27#ROOT2024 fn + GROUP () 42:Root[0000, 0]@27..28#ROOT2024 42:Root[0000, 0]@31..32#ROOT2024 42:Root[0000, 0]@27..32#ROOT2024 + IDENT 42:Root[0000, 0]@28..31#ROOT2024 u32 + PUNCT 42:Root[0000, 0]@33..34#ROOT2024 - [joint] + PUNCT 42:Root[0000, 0]@34..35#ROOT2024 > [alone] + PUNCT 42:Root[0000, 0]@36..37#ROOT2024 & [joint] + PUNCT 42:Root[0000, 0]@38..39#ROOT2024 ' [joint] + IDENT 42:Root[0000, 0]@38..39#ROOT2024 a + IDENT 42:Root[0000, 0]@42..45#ROOT2024 r#u32 "#]], ); } @@ -466,6 +494,30 @@ fn test_attr_macro() { ); } +#[test] +#[should_panic = "called `Result::unwrap()` on an `Err` value: \"Mismatched token groups\""] +fn test_broken_input_unclosed_delim() { + assert_expand("fn_like_clone_tokens", r###"{"###, expect![[]], expect![[]]); +} + +#[test] +#[should_panic = "called `Result::unwrap()` on an `Err` value: \"Unexpected '}'\""] +fn test_broken_input_unopened_delim() { + assert_expand("fn_like_clone_tokens", r###"}"###, expect![[]], expect![[]]); +} + +#[test] +#[should_panic = "called `Result::unwrap()` on an `Err` value: \"Expected '}'\""] +fn test_broken_input_mismatched_delim() { + assert_expand("fn_like_clone_tokens", r###"(}"###, expect![[]], expect![[]]); +} + +#[test] +#[should_panic = "called `Result::unwrap()` on an `Err` value: \"Invalid identifier: `🪟`\""] +fn test_broken_input_unknowm_token() { + assert_expand("fn_like_clone_tokens", r###"🪟"###, expect![[]], expect![[]]); +} + /// Tests that we find and classify all proc macros correctly. #[test] fn list_test_macros() { |