Unnamed repository; edit this file 'description' to name the repository.
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3 files changed, 123 insertions, 114 deletions
diff --git a/crates/hir_def/src/macro_expansion_tests/mbe.rs b/crates/hir_def/src/macro_expansion_tests/mbe.rs index ae044661f3..27c1bfebd1 100644 --- a/crates/hir_def/src/macro_expansion_tests/mbe.rs +++ b/crates/hir_def/src/macro_expansion_tests/mbe.rs @@ -1,26 +1,11 @@ +mod tt_conversion; +mod matching; + use expect_test::expect; use crate::macro_expansion_tests::check; #[test] -fn wrong_nesting_level() { - check( - r#" -macro_rules! m { - ($($i:ident);*) => ($i) -} -m!{a} -"#, - expect![[r#" -macro_rules! m { - ($($i:ident);*) => ($i) -} -/* error: expected simple binding, found nested binding `i` */ -"#]], - ); -} - -#[test] fn expansion_does_not_parse_as_expression() { check( r#" @@ -39,99 +24,3 @@ fn f() { let _ = /* error: could not convert tokens */; } "#]], ) } - -#[test] -fn round_trips_compound_tokens() { - check( - r#" -macro_rules! m { - () => { type qual: ::T = qual::T; } -} -m!(); -"#, - expect![[r#" -macro_rules! m { - () => { type qual: ::T = qual::T; } -} -type qual: ::T = qual::T; -"#]], - ) -} - -#[test] -fn round_trips_literals() { - check( - r#" -macro_rules! m { - () => { - let _ = 'c'; - let _ = 1000; - let _ = 12E+99_f64; - let _ = "rust1"; - let _ = -92; - } -} -fn f() { - m!() -} -"#, - expect![[r#" -macro_rules! m { - () => { - let _ = 'c'; - let _ = 1000; - let _ = 12E+99_f64; - let _ = "rust1"; - let _ = -92; - } -} -fn f() { - let_ = 'c'; - let_ = 1000; - let_ = 12E+99_f64; - let_ = "rust1"; - let_ = -92; -} -"#]], - ); -} - -#[test] -fn broken_parenthesis_sequence() { - check( - r#" -macro_rules! m1 { ($x:ident) => { ($x } } -macro_rules! m2 { ($x:ident) => {} } - -m1!(); -m2!(x -"#, - expect![[r#" -macro_rules! m1 { ($x:ident) => { ($x } } -macro_rules! m2 { ($x:ident) => {} } - -/* error: Failed to find macro definition */ -/* error: Failed to lower macro args to token tree */ -"#]], - ) -} - -#[test] -fn unary_minus_is_a_literal() { - check( - r#" -macro_rules! m { ($x:literal) => (literal!()); ($x:tt) => (not_a_literal!()); } -m!(92); -m!(-92); -m!(-9.2); -m!(--92); -"#, - expect![[r#" -macro_rules! m { ($x:literal) => (literal!()); ($x:tt) => (not_a_literal!()); } -literal!() -literal!() -literal!() -/* error: leftover tokens */not_a_literal!() -"#]], - ) -} diff --git a/crates/hir_def/src/macro_expansion_tests/mbe/matching.rs b/crates/hir_def/src/macro_expansion_tests/mbe/matching.rs new file mode 100644 index 0000000000..cfba58c55a --- /dev/null +++ b/crates/hir_def/src/macro_expansion_tests/mbe/matching.rs @@ -0,0 +1,41 @@ +use expect_test::expect; + +use crate::macro_expansion_tests::check; + +#[test] +fn unary_minus_is_a_literal() { + check( + r#" +macro_rules! m { ($x:literal) => (literal!()); ($x:tt) => (not_a_literal!()); } +m!(92); +m!(-92); +m!(-9.2); +m!(--92); +"#, + expect![[r#" +macro_rules! m { ($x:literal) => (literal!()); ($x:tt) => (not_a_literal!()); } +literal!() +literal!() +literal!() +/* error: leftover tokens */not_a_literal!() +"#]], + ) +} + +#[test] +fn wrong_nesting_level() { + check( + r#" +macro_rules! m { + ($($i:ident);*) => ($i) +} +m!{a} +"#, + expect![[r#" +macro_rules! m { + ($($i:ident);*) => ($i) +} +/* error: expected simple binding, found nested binding `i` */ +"#]], + ); +} diff --git a/crates/hir_def/src/macro_expansion_tests/mbe/tt_conversion.rs b/crates/hir_def/src/macro_expansion_tests/mbe/tt_conversion.rs new file mode 100644 index 0000000000..6059fcdb90 --- /dev/null +++ b/crates/hir_def/src/macro_expansion_tests/mbe/tt_conversion.rs @@ -0,0 +1,79 @@ +use expect_test::expect; + +use crate::macro_expansion_tests::check; + +#[test] +fn round_trips_compound_tokens() { + check( + r#" +macro_rules! m { + () => { type qual: ::T = qual::T; } +} +m!(); +"#, + expect![[r#" +macro_rules! m { + () => { type qual: ::T = qual::T; } +} +type qual: ::T = qual::T; +"#]], + ) +} + +#[test] +fn round_trips_literals() { + check( + r#" +macro_rules! m { + () => { + let _ = 'c'; + let _ = 1000; + let _ = 12E+99_f64; + let _ = "rust1"; + let _ = -92; + } +} +fn f() { + m!() +} +"#, + expect![[r#" +macro_rules! m { + () => { + let _ = 'c'; + let _ = 1000; + let _ = 12E+99_f64; + let _ = "rust1"; + let _ = -92; + } +} +fn f() { + let_ = 'c'; + let_ = 1000; + let_ = 12E+99_f64; + let_ = "rust1"; + let_ = -92; +} +"#]], + ); +} + +#[test] +fn broken_parenthesis_sequence() { + check( + r#" +macro_rules! m1 { ($x:ident) => { ($x } } +macro_rules! m2 { ($x:ident) => {} } + +m1!(); +m2!(x +"#, + expect![[r#" +macro_rules! m1 { ($x:ident) => { ($x } } +macro_rules! m2 { ($x:ident) => {} } + +/* error: Failed to find macro definition */ +/* error: Failed to lower macro args to token tree */ +"#]], + ) +} |