diff options
Diffstat (limited to 'src/tools/rustfmt/tests/target/expr.rs')
| -rw-r--r-- | src/tools/rustfmt/tests/target/expr.rs | 671 |
1 files changed, 671 insertions, 0 deletions
diff --git a/src/tools/rustfmt/tests/target/expr.rs b/src/tools/rustfmt/tests/target/expr.rs new file mode 100644 index 00000000000..84df802bc70 --- /dev/null +++ b/src/tools/rustfmt/tests/target/expr.rs @@ -0,0 +1,671 @@ +// rustfmt-normalize_comments: true +// rustfmt-wrap_comments: true +// Test expressions + +fn foo() -> bool { + let boxed: Box<i32> = box 5; + let referenced = &5; + + let very_long_variable_name = (a + first + simple + test); + let very_long_variable_name = + (a + first + simple + test + AAAAAAAAAAAAA + BBBBBBBBBBBBBBBBB + b + c); + + let is_internalxxxx = + self.source_map.span_to_filename(s) == self.source_map.span_to_filename(m.inner); + + let some_val = aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa * bbbb + / (bbbbbb - function_call(x, *very_long_pointer, y)) + + 1000; + + some_ridiculously_loooooooooooooooooooooong_function( + 10000 * 30000000000 + 40000 / 1002200000000 - 50000 * sqrt(-1), + trivial_value, + ); + (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa + + a + + aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa + + aaaaa); + + { + for _ in 0..10 {} + } + + { + { + { + {} + } + } + } + + if 1 + 2 > 0 { + let result = 5; + result + } else { + 4 + }; + + if let Some(x) = aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa { + // Nothing + } + + if let Some(x) = + (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) + {} + + if let ( + some_very_large, + tuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuple, + ) = 1 + 2 + 3 + {} + + if let ( + some_very_large, + tuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuple, + ) = 1111 + 2222 + {} + + if let ( + some_very_large, + tuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuple, + ) = 1 + 2 + 3 + {} + + if let ast::ItemKind::Trait(_, unsafety, ref generics, ref type_param_bounds, ref trait_items) = + item.node + { + // nothing + } + + let test = if true { 5 } else { 3 }; + + if cond() { + something(); + } else if different_cond() { + something_else(); + } else { + // Check subformatting + aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa + + aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa + } + + // #2884 + let _ = [0; { + struct Foo; + impl Foo { + const fn get(&self) -> usize { + 5 + } + }; + Foo.get() + }]; +} + +fn bar() { + let range = + (111111111 + 333333333333333333 + 1111 + 400000000000000000)..(2222 + 2333333333333333); + + let another_range = 5..some_func(a, b /* comment */); + + for _ in 1.. { + call_forever(); + } + + syntactically_correct( + loop { + sup('?'); + }, + if cond { 0 } else { 1 }, + ); + + let third = ..10; + let infi_range = ..; + let foo = 1..; + let bar = 5; + let nonsense = (10..0)..(0..10); + + loop { + if true { + break; + } + } + + let x = ( + aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa && aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa, + a, + ); +} + +fn baz() { + unsafe /* {}{}{}{{{{}} */ { + let foo = 1u32; + } + + unsafe /* very looooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooong + * comment */ { + } + + unsafe /* So this is a very long comment. + * Multi-line, too. + * Will it still format correctly? */ { + } + + unsafe { + // Regular unsafe block + } + + unsafe { foo() } + + unsafe { + foo(); + } + + // #2289 + let identifier_0 = unsafe { this_is_58_chars_long_and_line_is_93_chars_long_xxxxxxxxxx }; + let identifier_1 = unsafe { this_is_59_chars_long_and_line_is_94_chars_long_xxxxxxxxxxx }; + let identifier_2 = unsafe { this_is_65_chars_long_and_line_is_100_chars_long_xxxxxxxxxxxxxxxx }; + let identifier_3 = + unsafe { this_is_66_chars_long_and_line_is_101_chars_long_xxxxxxxxxxxxxxxxx }; +} + +// Test some empty blocks. +fn qux() { + {} + // FIXME this one could be done better. + { /* a block with a comment */ } + {} + { + // A block with a comment. + } +} + +fn issue227() { + { + let handler = + box DocumentProgressHandler::new(addr, DocumentProgressTask::DOMContentLoaded); + } +} + +fn issue184(source: &str) { + for c in source.chars() { + if index < 'a' { + continue; + } + } +} + +fn arrays() { + let x = [ + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 7, 8, 9, 0, 1, 2, 3, 4, 5, + 6, 7, 8, 9, 0, + ]; + + let y = [/* comment */ 1, 2 /* post comment */, 3]; + + let xy = [ + strukt { + test123: value_one_two_three_four, + turbo: coolio(), + }, + // comment + 1, + ]; + + let a = WeightedChoice::new(&mut [ + Weighted { + weightweight: x, + item: 0, + }, + Weighted { + weightweight: 1, + item: 1, + }, + Weighted { + weightweight: x, + item: 2, + }, + Weighted { + weightweight: 1, + item: 3, + }, + ]); + + let z = [ + xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx, + yyyyyyyyyyyyyyyyyyyyyyyyyyy, + zzzzzzzzzzzzzzzzzz, + q, + ]; + + [1 + 3, 4, 5, 6, 7, 7, fncall::<Vec<_>>(3 - 1)] +} + +fn returns() { + aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa + && return; + + return aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa + + aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa; +} + +fn addrof() { + &mut (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa + + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb); + &(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa + + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb); + + // raw reference operator + &raw const a; + &raw mut b; +} + +fn casts() { + fn unpack(packed: u32) -> [u16; 2] { + [(packed >> 16) as u16, (packed >> 0) as u16] + } + + let some_trait_xxx = xxxxxxxxxxx + xxxxxxxxxxxxx as SomeTraitXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX; + let slightly_longer_trait = + yyyyyyyyy + yyyyyyyyyyy as SomeTraitYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY; +} + +fn indices() { + let x = (aaaaaaaaaaaaaaaaaaaaaaaaaaaa + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb + cccccccccccccccc) + [x + y + z]; + let y = (aaaaaaaaaaaaaaaaaaaaaaaaaaaa + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb + cccccccccccccccc) + [xxxxx + yyyyy + zzzzz]; + let z = xxxxxxxxxx + .x() + .y() + .zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz()[aaaaa]; + let z = xxxxxxxxxx + .x() + .y() + .zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz() + [aaaaa]; +} + +fn repeats() { + let x = [aaaaaaaaaaaaaaaaaaaaaaaaaaaa + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb + cccccccccccccccc; + x + y + z]; + let y = [aaaaaaaaaaaaaaaaaaaaaaaaaaaa + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb + cccccccccccccccc; + xxxxx + yyyyy + zzzzz]; +} + +fn blocks() { + if 1 + 1 == 2 { + println!("yay arithmetix!"); + }; +} + +fn issue767() { + if false { + if false { + } else { + // A let binding here seems necessary to trigger it. + let _ = (); + } + } else if let false = false { + } +} + +fn ranges() { + let x = aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa..bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb; + let y = + aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa..=bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb; + let z = ..=x; + + // #1766 + let x = [0. ..10.0]; + let x = [0. ..=10.0]; + + a..=b + + // the expr below won't compile because inclusive ranges need a defined end + // let a = 0 ..= ; +} + +fn if_else() { + let exact = diff / (if size == 0 { 1 } else { size }); + + let cx = tp1.x + any * radius * if anticlockwise { 1.0 } else { -1.0 }; +} + +fn complex_if_else() { + if let Some(x) = xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx { + } else if let Some(x) = xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx { + ha(); + } else if xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx + xxxxxxxx { + yo(); + } else if let Some(x) = xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx + { + ha(); + } else if xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx + xxxxxxxxx + { + yo(); + } +} + +fn issue1106() { + { + if let hir::ItemEnum(ref enum_def, ref generics) = + self.ast_map.expect_item(enum_node_id).node + {} + } + + for entry in WalkDir::new(path) + .into_iter() + .filter_entry(|entry| exclusions.filter_entry(entry)) + {} +} + +fn issue1570() { + a_very_long_function_name({ some_func(1, { 1 }) }) +} + +fn issue1714() { + v = &mut { v }[mid..]; + let (left, right) = { v }.split_at_mut(mid); +} + +// Multi-lined index should be put on the next line if it fits in one line. +fn issue1749() { + { + { + { + if self.shape[(r as f32 + self.x_offset) as usize] + [(c as f32 + self.y_offset) as usize] + != 0 + { + // hello + } + } + } + } +} + +// #1172 +fn newlines_between_list_like_expr() { + foo( + xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx, + yyyyyyyyyyyyyyyyyyyyyyyyyyyyyy, + zzzzzzzzzzzzzzzzzzzzzzzzzzzzzz, + ); + + vec![ + xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx, + yyyyyyyyyyyyyyyyyyyyyyyyyyyyyy, + zzzzzzzzzzzzzzzzzzzzzzzzzzzzzz, + ]; + + match x { + xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx + | yyyyyyyyyyyyyyyyyyyyyyyyyyyyyy + | zzzzzzzzzzzzzzzzzzzzzzzzzzzzzz => foo(a, b, c), + _ => bar(), + }; +} + +fn issue2178() { + Ok(result + .iter() + .map(|item| ls_util::rls_to_location(item)) + .collect()) +} + +// #2493 +impl Foo { + fn bar(&self) { + { + let x = match () { + () => { + let i; + i == self + .install_config + .storage + .experimental_compressed_block_size as usize + } + }; + } + } +} + +fn dots() { + .. .. ..; // (.. (.. (..))) + ..= ..= ..; + (..).. ..; // ((..) .. (..)) +} + +// #2676 +// A function call with a large single argument. +fn foo() { + let my_var = Mutex::new( + RpcClientType::connect(server_iddd).chain_err(|| "Unable to create RPC client")?, + ); +} + +// #2704 +// Method call with prefix and suffix. +fn issue2704() { + // We should not combine the callee with a multi-lined method call. + let requires = requires.set( + &requires0 + .concat(&requires1) + .concat(&requires2) + .distinct_total(), + ); + let requires = requires.set( + box requires0 + .concat(&requires1) + .concat(&requires2) + .distinct_total(), + ); + let requires = requires.set( + requires0 + .concat(&requires1) + .concat(&requires2) + .distinct_total() as u32, + ); + let requires = requires.set( + requires0 + .concat(&requires1) + .concat(&requires2) + .distinct_total()?, + ); + let requires = requires.set( + !requires0 + .concat(&requires1) + .concat(&requires2) + .distinct_total(), + ); + // We should combine a small callee with an argument. + bar(vec![22] + .into_iter() + .map(|x| x * 2) + .filter(|_| true) + .collect()); + // But we should not combine a long callee with an argument. + barrrr( + vec![22] + .into_iter() + .map(|x| x * 2) + .filter(|_| true) + .collect(), + ); +} + +// #2782 +fn issue2782() { + { + let f = { + let f = { + { + match f { + F(f, _) => loop { + let f = { + match f { + F(f, _) => match f { + F(f, _) => loop { + let f = { + let f = { + match f { + '-' => F(f, ()), + } + }; + }; + }, + }, + } + }; + }, + } + } + }; + }; + } +} + +fn issue_2802() { + function_to_fill_this_line(some_arg, some_arg, some_arg) + * a_very_specific_length(specific_length_arg) + * very_specific_length(Foo { + a: some_much_much_longer_value, + }) + * some_value +} + +fn issue_3003() { + let mut path: PathBuf = [ + env!("CARGO_MANIFEST_DIR"), + "tests", + "support", + "dejavu-fonts-ttf-2.37", + "ttf", + ] + .iter() + .collect(); +} + +fn issue3226() { + { + { + { + return Err( + ErrorKind::ManagementInterfaceError("Server exited unexpectedly").into(), + ); + } + } + } + { + { + { + break Err( + ErrorKind::ManagementInterfaceError("Server exited unexpectedlyy").into(), + ); + } + } + } +} + +// #3457 +fn issue3457() { + { + { + { + { + { + { + { + { + { + { + { + { + { + { + { + { + { + { + { + { + { + { + { + { + println!("Test"); + } + } + } + } + } + } + } + } + } + } + } + } + } + } + } + } + } + } + } + } + } + } + } + } +} + +// #3498 +static REPRO: &[usize] = &[ + #[cfg(feature = "zero")] + 0, +]; + +fn overflow_with_attr() { + foo( + #[cfg(feature = "zero")] + 0, + ); + foobar( + #[cfg(feature = "zero")] + 0, + ); + foobar( + x, + y, + #[cfg(feature = "zero")] + {}, + ); +} + +// https://github.com/rust-lang/rustfmt/issues/3765 +fn foo() { + async { + // Do + // some + // work + } + .await; + + async { + // Do + // some + // work + } + .await; +} + +fn underscore() { + _ = 1; + _; + [_, a, _] = [1, 2, 3]; + (a, _) = (8, 9); + TupleStruct(_, a) = TupleStruct(2, 2); + + let _: usize = foo(_, _); +} |