From 935c53b92eea7c288b781ecd68436c9733ec8a83 Mon Sep 17 00:00:00 2001 From: Aleksey Kladov Date: Sun, 13 Jun 2021 21:55:51 +0300 Subject: internal: use cov-mark rather than bailing out diagnostic --- crates/ide/src/diagnostics/missing_match_arms.rs | 99 +++++++++++++----------- 1 file changed, 52 insertions(+), 47 deletions(-) (limited to 'crates/ide/src/diagnostics') diff --git a/crates/ide/src/diagnostics/missing_match_arms.rs b/crates/ide/src/diagnostics/missing_match_arms.rs index 6b977fa59..b636489b3 100644 --- a/crates/ide/src/diagnostics/missing_match_arms.rs +++ b/crates/ide/src/diagnostics/missing_match_arms.rs @@ -20,9 +20,14 @@ pub(super) fn missing_match_arms( pub(super) mod tests { use crate::diagnostics::tests::check_diagnostics; + fn check_diagnostics_no_bails(ra_fixture: &str) { + cov_mark::check_count!(validate_match_bailed_out, 0); + crate::diagnostics::tests::check_diagnostics(ra_fixture) + } + #[test] fn empty_tuple() { - check_diagnostics( + check_diagnostics_no_bails( r#" fn main() { match () { } @@ -40,7 +45,7 @@ fn main() { #[test] fn tuple_of_two_empty_tuple() { - check_diagnostics( + check_diagnostics_no_bails( r#" fn main() { match ((), ()) { } @@ -54,7 +59,7 @@ fn main() { #[test] fn boolean() { - check_diagnostics( + check_diagnostics_no_bails( r#" fn test_main() { match false { } @@ -107,7 +112,7 @@ fn test_main() { #[test] fn tuple_of_tuple_and_bools() { - check_diagnostics( + check_diagnostics_no_bails( r#" fn main() { match (false, ((), false)) {} @@ -135,7 +140,7 @@ fn main() { #[test] fn enums() { - check_diagnostics( + check_diagnostics_no_bails( r#" enum Either { A, B, } @@ -163,7 +168,7 @@ fn main() { #[test] fn enum_containing_bool() { - check_diagnostics( + check_diagnostics_no_bails( r#" enum Either { A(bool), B } @@ -196,7 +201,7 @@ fn main() { #[test] fn enum_different_sizes() { - check_diagnostics( + check_diagnostics_no_bails( r#" enum Either { A(bool), B(bool, bool) } @@ -224,7 +229,7 @@ fn main() { #[test] fn tuple_of_enum_no_diagnostic() { - check_diagnostics( + check_diagnostics_no_bails( r#" enum Either { A(bool), B(bool, bool) } enum Either2 { C, D } @@ -243,7 +248,7 @@ fn main() { #[test] fn or_pattern_no_diagnostic() { - check_diagnostics( + check_diagnostics_no_bails( r#" enum Either {A, B} @@ -257,6 +262,7 @@ fn main() { #[test] fn mismatched_types() { + cov_mark::check_count!(validate_match_bailed_out, 4); // Match statements with arms that don't match the // expression pattern do not fire this diagnostic. check_diagnostics( @@ -267,18 +273,14 @@ enum Either2 { C, D } fn main() { match Either::A { Either2::C => (), - // ^^^^^^^^^^ Internal: match check bailed out Either2::D => (), } match (true, false) { (true, false, true) => (), - // ^^^^^^^^^^^^^^^^^^^ Internal: match check bailed out (true) => (), } match (true, false) { (true,) => {} } - // ^^^^^^^ Internal: match check bailed out match (0) { () => () } - // ^^ Internal: match check bailed out match Unresolved::Bar { Unresolved::Baz => () } } "#, @@ -287,13 +289,12 @@ fn main() { #[test] fn mismatched_types_in_or_patterns() { + cov_mark::check_count!(validate_match_bailed_out, 2); check_diagnostics( r#" fn main() { match false { true | () => {} } - // ^^^^^^^^^ Internal: match check bailed out match (false,) { (true | (),) => {} } - // ^^^^^^^^^^^^ Internal: match check bailed out } "#, ); @@ -303,7 +304,7 @@ fn main() { fn malformed_match_arm_tuple_enum_missing_pattern() { // We are testing to be sure we don't panic here when the match // arm `Either::B` is missing its pattern. - check_diagnostics( + check_diagnostics_no_bails( r#" enum Either { A, B(u32) } @@ -319,17 +320,16 @@ fn main() { #[test] fn malformed_match_arm_extra_fields() { + cov_mark::check_count!(validate_match_bailed_out, 2); check_diagnostics( r#" enum A { B(isize, isize), C } fn main() { match A::B(1, 2) { A::B(_, _, _) => (), - // ^^^^^^^^^^^^^ Internal: match check bailed out } match A::B(1, 2) { A::C(_) => (), - // ^^^^^^^ Internal: match check bailed out } } "#, @@ -338,6 +338,7 @@ fn main() { #[test] fn expr_diverges() { + cov_mark::check_count!(validate_match_bailed_out, 2); check_diagnostics( r#" enum Either { A, B } @@ -345,12 +346,10 @@ enum Either { A, B } fn main() { match loop {} { Either::A => (), - // ^^^^^^^^^ Internal: match check bailed out Either::B => (), } match loop {} { Either::A => (), - // ^^^^^^^^^ Internal: match check bailed out } match loop { break Foo::A } { //^^^^^^^^^^^^^^^^^^^^^ missing match arm @@ -367,7 +366,7 @@ fn main() { #[test] fn expr_partially_diverges() { - check_diagnostics( + check_diagnostics_no_bails( r#" enum Either { A(T), B } @@ -384,7 +383,7 @@ fn main() -> u32 { #[test] fn enum_record() { - check_diagnostics( + check_diagnostics_no_bails( r#" enum Either { A { foo: bool }, B } @@ -422,7 +421,7 @@ fn main() { #[test] fn enum_record_fields_out_of_order() { - check_diagnostics( + check_diagnostics_no_bails( r#" enum Either { A { foo: bool, bar: () }, @@ -449,7 +448,7 @@ fn main() { #[test] fn enum_record_ellipsis() { - check_diagnostics( + check_diagnostics_no_bails( r#" enum Either { A { foo: bool, bar: bool }, @@ -485,7 +484,7 @@ fn main() { #[test] fn enum_tuple_partial_ellipsis() { - check_diagnostics( + check_diagnostics_no_bails( r#" enum Either { A(bool, bool, bool, bool), @@ -529,7 +528,7 @@ fn main() { #[test] fn never() { - check_diagnostics( + check_diagnostics_no_bails( r#" enum Never {} @@ -549,6 +548,8 @@ fn bang(never: !) { #[test] fn unknown_type() { + cov_mark::check_count!(validate_match_bailed_out, 1); + check_diagnostics( r#" enum Option { Some(T), None } @@ -558,7 +559,6 @@ fn main() { match Option::::None { None => (), Some(never) => match never {}, - // ^^^^^^^^^^^ Internal: match check bailed out } match Option::::None { //^^^^^^^^^^^^^^^^^^^^^ missing match arm @@ -571,7 +571,7 @@ fn main() { #[test] fn tuple_of_bools_with_ellipsis_at_end_missing_arm() { - check_diagnostics( + check_diagnostics_no_bails( r#" fn main() { match (false, true, false) { @@ -584,7 +584,7 @@ fn main() { #[test] fn tuple_of_bools_with_ellipsis_at_beginning_missing_arm() { - check_diagnostics( + check_diagnostics_no_bails( r#" fn main() { match (false, true, false) { @@ -597,7 +597,7 @@ fn main() { #[test] fn tuple_of_bools_with_ellipsis_in_middle_missing_arm() { - check_diagnostics( + check_diagnostics_no_bails( r#" fn main() { match (false, true, false) { @@ -610,7 +610,7 @@ fn main() { #[test] fn record_struct() { - check_diagnostics( + check_diagnostics_no_bails( r#"struct Foo { a: bool } fn main(f: Foo) { match f {} @@ -635,7 +635,7 @@ fn main(f: Foo) { #[test] fn tuple_struct() { - check_diagnostics( + check_diagnostics_no_bails( r#"struct Foo(bool); fn main(f: Foo) { match f {} @@ -653,7 +653,7 @@ fn main(f: Foo) { #[test] fn unit_struct() { - check_diagnostics( + check_diagnostics_no_bails( r#"struct Foo; fn main(f: Foo) { match f {} @@ -666,7 +666,7 @@ fn main(f: Foo) { #[test] fn record_struct_ellipsis() { - check_diagnostics( + check_diagnostics_no_bails( r#"struct Foo { foo: bool, bar: bool } fn main(f: Foo) { match f { Foo { foo: true, .. } => () } @@ -688,7 +688,7 @@ fn main(f: Foo) { #[test] fn internal_or() { - check_diagnostics( + check_diagnostics_no_bails( r#" fn main() { enum Either { A(bool), B } @@ -703,6 +703,8 @@ fn main() { #[test] fn no_panic_at_unimplemented_subpattern_type() { + cov_mark::check_count!(validate_match_bailed_out, 1); + check_diagnostics( r#" struct S { a: char} @@ -710,7 +712,6 @@ fn main(v: S) { match v { S{ a } => {} } match v { S{ a: _x } => {} } match v { S{ a: 'a' } => {} } - //^^^^^^^^^^^ Internal: match check bailed out match v { S{..} => {} } match v { _ => {} } match v { } @@ -722,7 +723,7 @@ fn main(v: S) { #[test] fn binding() { - check_diagnostics( + check_diagnostics_no_bails( r#" fn main() { match true { @@ -738,6 +739,8 @@ fn main() { #[test] fn binding_ref_has_correct_type() { + cov_mark::check_count!(validate_match_bailed_out, 1); + // Asserts `PatKind::Binding(ref _x): bool`, not &bool. // If that's not true match checking will panic with "incompatible constructors" // FIXME: make facilities to test this directly like `tests::check_infer(..)` @@ -749,7 +752,6 @@ fn main() { // ExprValidator::validate_match(..) checks types of top level patterns incorrecly. match Foo::A { ref _x => {} - // ^^^^^^ Internal: match check bailed out Foo::A => {} } match (true,) { @@ -763,7 +765,7 @@ fn main() { #[test] fn enum_non_exhaustive() { - check_diagnostics( + check_diagnostics_no_bails( r#" //- /lib.rs crate:lib #[non_exhaustive] @@ -799,7 +801,7 @@ fn main() { #[test] fn match_guard() { - check_diagnostics( + check_diagnostics_no_bails( r#" fn main() { match true { @@ -820,7 +822,7 @@ fn main() { #[test] fn pattern_type_is_of_substitution() { cov_mark::check!(match_check_wildcard_expanded_to_substitutions); - check_diagnostics( + check_diagnostics_no_bails( r#" struct Foo(T); struct Bar; @@ -835,12 +837,13 @@ fn main() { #[test] fn record_struct_no_such_field() { + cov_mark::check_count!(validate_match_bailed_out, 1); + check_diagnostics( r#" struct Foo { } fn main(f: Foo) { match f { Foo { bar } => () } - // ^^^^^^^^^^^ Internal: match check bailed out } "#, ); @@ -848,7 +851,7 @@ fn main(f: Foo) { #[test] fn match_ergonomics_issue_9095() { - check_diagnostics( + check_diagnostics_no_bails( r#" enum Foo { A(T) } fn main() { @@ -875,13 +878,14 @@ fn main() { #[test] fn integers() { + cov_mark::check_count!(validate_match_bailed_out, 1); + // We don't currently check integer exhaustiveness. check_diagnostics( r#" fn main() { match 5 { 10 => (), - // ^^ Internal: match check bailed out 11..20 => (), } } @@ -891,12 +895,13 @@ fn main() { #[test] fn reference_patterns_at_top_level() { + cov_mark::check_count!(validate_match_bailed_out, 1); + check_diagnostics( r#" fn main() { match &false { &true => {} - // ^^^^^ Internal: match check bailed out } } "#, @@ -905,16 +910,16 @@ fn main() { #[test] fn reference_patterns_in_fields() { + cov_mark::check_count!(validate_match_bailed_out, 2); + check_diagnostics( r#" fn main() { match (&false,) { (true,) => {} - // ^^^^^^^ Internal: match check bailed out } match (&false,) { (&true,) => {} - // ^^^^^^^^ Internal: match check bailed out } } "#, -- cgit v1.2.3