From 6a77ec7bbe6ddbf663dce9529d11d1bb56c5489a Mon Sep 17 00:00:00 2001 From: Aleksey Kladov Date: Thu, 13 Aug 2020 16:35:29 +0200 Subject: Rename ra_hir_ty -> hir_ty --- crates/ra_hir_ty/src/tests/patterns.rs | 656 --------------------------------- 1 file changed, 656 deletions(-) delete mode 100644 crates/ra_hir_ty/src/tests/patterns.rs (limited to 'crates/ra_hir_ty/src/tests/patterns.rs') diff --git a/crates/ra_hir_ty/src/tests/patterns.rs b/crates/ra_hir_ty/src/tests/patterns.rs deleted file mode 100644 index 39fabf7eb..000000000 --- a/crates/ra_hir_ty/src/tests/patterns.rs +++ /dev/null @@ -1,656 +0,0 @@ -use expect::expect; -use test_utils::mark; - -use super::{check_infer, check_infer_with_mismatches}; - -#[test] -fn infer_pattern() { - check_infer( - r#" - fn test(x: &i32) { - let y = x; - let &z = x; - let a = z; - let (c, d) = (1, "hello"); - - for (e, f) in some_iter { - let g = e; - } - - if let [val] = opt { - let h = val; - } - - let lambda = |a: u64, b, c: i32| { a + b; c }; - - let ref ref_to_x = x; - let mut mut_x = x; - let ref mut mut_ref_to_x = x; - let k = mut_ref_to_x; - } - "#, - expect![[r#" - 8..9 'x': &i32 - 17..368 '{ ...o_x; }': () - 27..28 'y': &i32 - 31..32 'x': &i32 - 42..44 '&z': &i32 - 43..44 'z': i32 - 47..48 'x': &i32 - 58..59 'a': i32 - 62..63 'z': i32 - 73..79 '(c, d)': (i32, &str) - 74..75 'c': i32 - 77..78 'd': &str - 82..94 '(1, "hello")': (i32, &str) - 83..84 '1': i32 - 86..93 '"hello"': &str - 101..151 'for (e... }': () - 105..111 '(e, f)': ({unknown}, {unknown}) - 106..107 'e': {unknown} - 109..110 'f': {unknown} - 115..124 'some_iter': {unknown} - 125..151 '{ ... }': () - 139..140 'g': {unknown} - 143..144 'e': {unknown} - 157..204 'if let... }': () - 164..169 '[val]': [{unknown}] - 165..168 'val': {unknown} - 172..175 'opt': [{unknown}] - 176..204 '{ ... }': () - 190..191 'h': {unknown} - 194..197 'val': {unknown} - 214..220 'lambda': |u64, u64, i32| -> i32 - 223..255 '|a: u6...b; c }': |u64, u64, i32| -> i32 - 224..225 'a': u64 - 232..233 'b': u64 - 235..236 'c': i32 - 243..255 '{ a + b; c }': i32 - 245..246 'a': u64 - 245..250 'a + b': u64 - 249..250 'b': u64 - 252..253 'c': i32 - 266..278 'ref ref_to_x': &&i32 - 281..282 'x': &i32 - 292..301 'mut mut_x': &i32 - 304..305 'x': &i32 - 315..335 'ref mu...f_to_x': &mut &i32 - 338..339 'x': &i32 - 349..350 'k': &mut &i32 - 353..365 'mut_ref_to_x': &mut &i32 - "#]], - ); -} - -#[test] -fn infer_literal_pattern() { - check_infer_with_mismatches( - r#" - fn any() -> T { loop {} } - fn test(x: &i32) { - if let "foo" = any() {} - if let 1 = any() {} - if let 1u32 = any() {} - if let 1f32 = any() {} - if let 1.0 = any() {} - if let true = any() {} - } - "#, - expect![[r#" - 17..28 '{ loop {} }': T - 19..26 'loop {}': ! - 24..26 '{}': () - 37..38 'x': &i32 - 46..208 '{ ...) {} }': () - 52..75 'if let...y() {}': () - 59..64 '"foo"': &str - 59..64 '"foo"': &str - 67..70 'any': fn any<&str>() -> &str - 67..72 'any()': &str - 73..75 '{}': () - 80..99 'if let...y() {}': () - 87..88 '1': i32 - 87..88 '1': i32 - 91..94 'any': fn any() -> i32 - 91..96 'any()': i32 - 97..99 '{}': () - 104..126 'if let...y() {}': () - 111..115 '1u32': u32 - 111..115 '1u32': u32 - 118..121 'any': fn any() -> u32 - 118..123 'any()': u32 - 124..126 '{}': () - 131..153 'if let...y() {}': () - 138..142 '1f32': f32 - 138..142 '1f32': f32 - 145..148 'any': fn any() -> f32 - 145..150 'any()': f32 - 151..153 '{}': () - 158..179 'if let...y() {}': () - 165..168 '1.0': f64 - 165..168 '1.0': f64 - 171..174 'any': fn any() -> f64 - 171..176 'any()': f64 - 177..179 '{}': () - 184..206 'if let...y() {}': () - 191..195 'true': bool - 191..195 'true': bool - 198..201 'any': fn any() -> bool - 198..203 'any()': bool - 204..206 '{}': () - "#]], - ); -} - -#[test] -fn infer_range_pattern() { - check_infer_with_mismatches( - r#" - fn test(x: &i32) { - if let 1..76 = 2u32 {} - if let 1..=76 = 2u32 {} - } - "#, - expect![[r#" - 8..9 'x': &i32 - 17..75 '{ ...2 {} }': () - 23..45 'if let...u32 {}': () - 30..35 '1..76': u32 - 38..42 '2u32': u32 - 43..45 '{}': () - 50..73 'if let...u32 {}': () - 57..63 '1..=76': u32 - 66..70 '2u32': u32 - 71..73 '{}': () - "#]], - ); -} - -#[test] -fn infer_pattern_match_ergonomics() { - check_infer( - r#" - struct A(T); - - fn test() { - let A(n) = &A(1); - let A(n) = &mut A(1); - } - "#, - expect![[r#" - 27..78 '{ ...(1); }': () - 37..41 'A(n)': A - 39..40 'n': &i32 - 44..49 '&A(1)': &A - 45..46 'A': A(i32) -> A - 45..49 'A(1)': A - 47..48 '1': i32 - 59..63 'A(n)': A - 61..62 'n': &mut i32 - 66..75 '&mut A(1)': &mut A - 71..72 'A': A(i32) -> A - 71..75 'A(1)': A - 73..74 '1': i32 - "#]], - ); -} - -#[test] -fn infer_pattern_match_ergonomics_ref() { - mark::check!(match_ergonomics_ref); - check_infer( - r#" - fn test() { - let v = &(1, &2); - let (_, &w) = v; - } - "#, - expect![[r#" - 10..56 '{ ...= v; }': () - 20..21 'v': &(i32, &i32) - 24..32 '&(1, &2)': &(i32, &i32) - 25..32 '(1, &2)': (i32, &i32) - 26..27 '1': i32 - 29..31 '&2': &i32 - 30..31 '2': i32 - 42..49 '(_, &w)': (i32, &i32) - 43..44 '_': i32 - 46..48 '&w': &i32 - 47..48 'w': i32 - 52..53 'v': &(i32, &i32) - "#]], - ); -} - -#[test] -fn infer_pattern_match_slice() { - check_infer( - r#" - fn test() { - let slice: &[f64] = &[0.0]; - match slice { - &[] => {}, - &[a] => { - a; - }, - &[b, c] => { - b; - c; - } - _ => {} - } - } - "#, - expect![[r#" - 10..209 '{ ... } }': () - 20..25 'slice': &[f64] - 36..42 '&[0.0]': &[f64; _] - 37..42 '[0.0]': [f64; _] - 38..41 '0.0': f64 - 48..207 'match ... }': () - 54..59 'slice': &[f64] - 70..73 '&[]': &[f64] - 71..73 '[]': [f64] - 77..79 '{}': () - 89..93 '&[a]': &[f64] - 90..93 '[a]': [f64] - 91..92 'a': f64 - 97..123 '{ ... }': () - 111..112 'a': f64 - 133..140 '&[b, c]': &[f64] - 134..140 '[b, c]': [f64] - 135..136 'b': f64 - 138..139 'c': f64 - 144..185 '{ ... }': () - 158..159 'b': f64 - 173..174 'c': f64 - 194..195 '_': &[f64] - 199..201 '{}': () - "#]], - ); -} - -#[test] -fn infer_pattern_match_string_literal() { - check_infer_with_mismatches( - r#" - fn test() { - let s: &str = "hello"; - match s { - "hello" => {} - _ => {} - } - } - "#, - expect![[r#" - 10..98 '{ ... } }': () - 20..21 's': &str - 30..37 '"hello"': &str - 43..96 'match ... }': () - 49..50 's': &str - 61..68 '"hello"': &str - 61..68 '"hello"': &str - 72..74 '{}': () - 83..84 '_': &str - 88..90 '{}': () - "#]], - ); -} - -#[test] -fn infer_pattern_match_or() { - check_infer_with_mismatches( - r#" - fn test() { - let s: &str = "hello"; - match s { - "hello" | "world" => {} - _ => {} - } - } - "#, - expect![[r#" - 10..108 '{ ... } }': () - 20..21 's': &str - 30..37 '"hello"': &str - 43..106 'match ... }': () - 49..50 's': &str - 61..68 '"hello"': &str - 61..68 '"hello"': &str - 61..78 '"hello...world"': &str - 71..78 '"world"': &str - 71..78 '"world"': &str - 82..84 '{}': () - 93..94 '_': &str - 98..100 '{}': () - "#]], - ); -} - -#[test] -fn infer_pattern_match_arr() { - check_infer( - r#" - fn test() { - let arr: [f64; 2] = [0.0, 1.0]; - match arr { - [1.0, a] => { - a; - }, - [b, c] => { - b; - c; - } - } - } - "#, - expect![[r#" - 10..179 '{ ... } }': () - 20..23 'arr': [f64; _] - 36..46 '[0.0, 1.0]': [f64; _] - 37..40 '0.0': f64 - 42..45 '1.0': f64 - 52..177 'match ... }': () - 58..61 'arr': [f64; _] - 72..80 '[1.0, a]': [f64; _] - 73..76 '1.0': f64 - 73..76 '1.0': f64 - 78..79 'a': f64 - 84..110 '{ ... }': () - 98..99 'a': f64 - 120..126 '[b, c]': [f64; _] - 121..122 'b': f64 - 124..125 'c': f64 - 130..171 '{ ... }': () - 144..145 'b': f64 - 159..160 'c': f64 - "#]], - ); -} - -#[test] -fn infer_adt_pattern() { - check_infer( - r#" - enum E { - A { x: usize }, - B - } - - struct S(u32, E); - - fn test() { - let e = E::A { x: 3 }; - - let S(y, z) = foo; - let E::A { x: new_var } = e; - - match e { - E::A { x } => x, - E::B if foo => 1, - E::B => 10, - }; - - let ref d @ E::A { .. } = e; - d; - } - "#, - expect![[r#" - 67..288 '{ ... d; }': () - 77..78 'e': E - 81..94 'E::A { x: 3 }': E - 91..92 '3': usize - 105..112 'S(y, z)': S - 107..108 'y': u32 - 110..111 'z': E - 115..118 'foo': S - 128..147 'E::A {..._var }': E - 138..145 'new_var': usize - 150..151 'e': E - 158..244 'match ... }': usize - 164..165 'e': E - 176..186 'E::A { x }': E - 183..184 'x': usize - 190..191 'x': usize - 201..205 'E::B': E - 209..212 'foo': bool - 216..217 '1': usize - 227..231 'E::B': E - 235..237 '10': usize - 255..274 'ref d ...{ .. }': &E - 263..274 'E::A { .. }': E - 277..278 'e': E - 284..285 'd': &E - "#]], - ); -} - -#[test] -fn enum_variant_through_self_in_pattern() { - check_infer( - r#" - enum E { - A { x: usize }, - B(usize), - C - } - - impl E { - fn test() { - match (loop {}) { - Self::A { x } => { x; }, - Self::B(x) => { x; }, - Self::C => {}, - }; - } - } - "#, - expect![[r#" - 75..217 '{ ... }': () - 85..210 'match ... }': () - 92..99 'loop {}': ! - 97..99 '{}': () - 115..128 'Self::A { x }': E - 125..126 'x': usize - 132..138 '{ x; }': () - 134..135 'x': usize - 152..162 'Self::B(x)': E - 160..161 'x': usize - 166..172 '{ x; }': () - 168..169 'x': usize - 186..193 'Self::C': E - 197..199 '{}': () - "#]], - ); -} - -#[test] -fn infer_generics_in_patterns() { - check_infer( - r#" - struct A { - x: T, - } - - enum Option { - Some(T), - None, - } - - fn test(a1: A, o: Option) { - let A { x: x2 } = a1; - let A:: { x: x3 } = A { x: 1 }; - match o { - Option::Some(t) => t, - _ => 1, - }; - } - "#, - expect![[r#" - 78..80 'a1': A - 90..91 'o': Option - 106..243 '{ ... }; }': () - 116..127 'A { x: x2 }': A - 123..125 'x2': u32 - 130..132 'a1': A - 142..160 'A:: - 156..158 'x3': i64 - 163..173 'A { x: 1 }': A - 170..171 '1': i64 - 179..240 'match ... }': u64 - 185..186 'o': Option - 197..212 'Option::Some(t)': Option - 210..211 't': u64 - 216..217 't': u64 - 227..228 '_': Option - 232..233 '1': u64 - "#]], - ); -} - -#[test] -fn infer_const_pattern() { - check_infer_with_mismatches( - r#" - enum Option { None } - use Option::None; - struct Foo; - const Bar: usize = 1; - - fn test() { - let a: Option = None; - let b: Option = match a { - None => None, - }; - let _: () = match () { Foo => Foo }; // Expected mismatch - let _: () = match () { Bar => Bar }; // Expected mismatch - } - "#, - expect![[r#" - 73..74 '1': usize - 87..309 '{ ...atch }': () - 97..98 'a': Option - 114..118 'None': Option - 128..129 'b': Option - 145..182 'match ... }': Option - 151..152 'a': Option - 163..167 'None': Option - 171..175 'None': Option - 192..193 '_': () - 200..223 'match ... Foo }': Foo - 206..208 '()': () - 211..214 'Foo': Foo - 218..221 'Foo': Foo - 254..255 '_': () - 262..285 'match ... Bar }': usize - 268..270 '()': () - 273..276 'Bar': usize - 280..283 'Bar': usize - 200..223: expected (), got Foo - 262..285: expected (), got usize - "#]], - ); -} - -#[test] -fn infer_guard() { - check_infer( - r#" -struct S; -impl S { fn foo(&self) -> bool { false } } - -fn main() { - match S { - s if s.foo() => (), - } -} - "#, - expect![[r#" - 27..31 'self': &S - 41..50 '{ false }': bool - 43..48 'false': bool - 64..115 '{ ... } }': () - 70..113 'match ... }': () - 76..77 'S': S - 88..89 's': S - 93..94 's': S - 93..100 's.foo()': bool - 104..106 '()': () - "#]], - ) -} - -#[test] -fn match_ergonomics_in_closure_params() { - check_infer( - r#" - #[lang = "fn_once"] - trait FnOnce { - type Output; - } - - fn foo U>(t: T, f: F) -> U { loop {} } - - fn test() { - foo(&(1, "a"), |&(x, y)| x); // normal, no match ergonomics - foo(&(1, "a"), |(x, y)| x); - } - "#, - expect![[r#" - 93..94 't': T - 99..100 'f': F - 110..121 '{ loop {} }': U - 112..119 'loop {}': ! - 117..119 '{}': () - 133..232 '{ ... x); }': () - 139..142 'foo': fn foo<&(i32, &str), i32, |&(i32, &str)| -> i32>(&(i32, &str), |&(i32, &str)| -> i32) -> i32 - 139..166 'foo(&(...y)| x)': i32 - 143..152 '&(1, "a")': &(i32, &str) - 144..152 '(1, "a")': (i32, &str) - 145..146 '1': i32 - 148..151 '"a"': &str - 154..165 '|&(x, y)| x': |&(i32, &str)| -> i32 - 155..162 '&(x, y)': &(i32, &str) - 156..162 '(x, y)': (i32, &str) - 157..158 'x': i32 - 160..161 'y': &str - 164..165 'x': i32 - 203..206 'foo': fn foo<&(i32, &str), &i32, |&(i32, &str)| -> &i32>(&(i32, &str), |&(i32, &str)| -> &i32) -> &i32 - 203..229 'foo(&(...y)| x)': &i32 - 207..216 '&(1, "a")': &(i32, &str) - 208..216 '(1, "a")': (i32, &str) - 209..210 '1': i32 - 212..215 '"a"': &str - 218..228 '|(x, y)| x': |&(i32, &str)| -> &i32 - 219..225 '(x, y)': (i32, &str) - 220..221 'x': &i32 - 223..224 'y': &&str - 227..228 'x': &i32 - "#]], - ); -} - -#[test] -fn slice_tail_pattern() { - check_infer( - r#" - fn foo(params: &[i32]) { - match params { - [head, tail @ ..] => { - } - } - } - "#, - expect![[r#" - 7..13 'params': &[i32] - 23..92 '{ ... } }': () - 29..90 'match ... }': () - 35..41 'params': &[i32] - 52..69 '[head,... @ ..]': [i32] - 53..57 'head': &i32 - 59..68 'tail @ ..': &[i32] - 66..68 '..': [i32] - 73..84 '{ }': () - "#]], - ); -} -- cgit v1.2.3