3 use test_utils::{assert_eq_text, project_dir, read_text};
6 mock_analysis::{single_file, MockAnalysis},
10 /// Highlights the code given by the `ra_fixture` argument, renders the
11 /// result as HTML, and compares it with the HTML file given as `snapshot`.
12 /// Note that the `snapshot` file is overwritten by the rendered HTML.
13 fn check_highlighting(ra_fixture: &str, snapshot: &str, rainbow: bool) {
14 let (analysis, file_id) = single_file(ra_fixture);
15 let dst_file = project_dir().join(snapshot);
16 let actual_html = &analysis.highlight_as_html(file_id, rainbow).unwrap();
17 let expected_html = &read_text(&dst_file);
18 fs::write(dst_file, &actual_html).unwrap();
19 assert_eq_text!(expected_html, actual_html);
23 fn test_highlighting() {
26 #[derive(Clone, Debug)]
37 fn bar(&self) -> i32 {
42 static mut STATIC_MUT: i32 = 0;
44 fn foo<'a, T>() -> T {
49 ($($tt:tt)*) => {$($tt)*}
60 println!("Hello, {}!", 92);
62 let mut vec = Vec::new();
65 vec.push(Foo { x, y: 1 });
90 fn and<U>(self, other: Option<U>) -> Option<(T, U)> {
92 None => unimplemented!(),
99 "crates/ra_ide/src/snapshots/highlighting.html",
105 fn test_rainbow_highlighting() {
110 let x = hello.to_string();
111 let y = hello.to_string();
113 let x = "other color please!";
114 let y = x.to_string();
118 let mut hello = "hello";
122 "crates/ra_ide/src/snapshots/rainbow_highlighting.html",
128 fn accidentally_quadratic() {
129 let file = project_dir().join("crates/ra_syntax/test_data/accidentally_quadratic");
130 let src = fs::read_to_string(file).unwrap();
132 let mut mock = MockAnalysis::new();
133 let file_id = mock.add_file("/main.rs", &src);
134 let host = mock.analysis_host();
136 // let t = std::time::Instant::now();
137 let _ = host.analysis().highlight(file_id).unwrap();
138 // eprintln!("elapsed: {:?}", t.elapsed());
143 let (analysis, file_id) = single_file(
145 #[derive(Clone, Debug)]
153 let highlights = &analysis
154 .highlight_range(FileRange { file_id, range: TextRange::at(82.into(), 1.into()) })
157 assert_eq!(&highlights[0].highlight.to_string(), "field.declaration");
161 fn test_flattening() {
164 fn fixture(ra_fixture: &str) {}
170 println!("2 + 2 = {}", 4);
176 "crates/ra_ide/src/snapshots/highlight_injection.html",
183 let (analysis, file_id) = single_file(
190 let _ = analysis.highlight(file_id).unwrap();
194 fn test_string_highlighting() {
195 // The format string detection is based on macro-expansion,
196 // thus, we have to copy the macro definition from `std`
199 macro_rules! println {
201 $crate::io::_print($crate::format_args_nl!($($arg)*));
204 #[rustc_builtin_macro]
205 macro_rules! format_args_nl {
206 ($fmt:expr) => {{ /* compiler built-in */ }};
207 ($fmt:expr, $($args:tt)*) => {{ /* compiler built-in */ }};
211 // from https://doc.rust-lang.org/std/fmt/index.html
212 println!("Hello"); // => "Hello"
213 println!("Hello, {}!", "world"); // => "Hello, world!"
214 println!("The number is {}", 1); // => "The number is 1"
215 println!("{:?}", (3, 4)); // => "(3, 4)"
216 println!("{value}", value=4); // => "4"
217 println!("{} {}", 1, 2); // => "1 2"
218 println!("{:04}", 42); // => "0042" with leading zerosV
219 println!("{1} {} {0} {}", 1, 2); // => "2 1 1 2"
220 println!("{argument}", argument = "test"); // => "test"
221 println!("{name} {}", 1, name = 2); // => "2 1"
222 println!("{a} {c} {b}", a="a", b='b', c=3); // => "a 3 b"
223 println!("{{{}}}", 2); // => "{2}"
224 println!("Hello {:5}!", "x");
225 println!("Hello {:1$}!", "x", 5);
226 println!("Hello {1:0$}!", 5, "x");
227 println!("Hello {:width$}!", "x", width = 5);
228 println!("Hello {:<5}!", "x");
229 println!("Hello {:-<5}!", "x");
230 println!("Hello {:^5}!", "x");
231 println!("Hello {:>5}!", "x");
232 println!("Hello {:+}!", 5);
233 println!("{:#x}!", 27);
234 println!("Hello {:05}!", 5);
235 println!("Hello {:05}!", -5);
236 println!("{:#010x}!", 27);
237 println!("Hello {0} is {1:.5}", "x", 0.01);
238 println!("Hello {1} is {2:.0$}", 5, "x", 0.01);
239 println!("Hello {0} is {2:.1$}", "x", 5, 0.01);
240 println!("Hello {} is {:.*}", "x", 5, 0.01);
241 println!("Hello {} is {2:.*}", "x", 5, 0.01);
242 println!("Hello {} is {number:.prec$}", "x", prec = 5, number = 0.01);
243 println!("{}, `{name:.*}` has 3 fractional digits", "Hello", 3, name=1234.56);
244 println!("{}, `{name:.*}` has 3 characters", "Hello", 3, name="1234.56");
245 println!("{}, `{name:>8.*}` has 3 right-aligned characters", "Hello", 3, name="1234.56");
246 println!("Hello {{}}");
247 println!("{{ Hello");
249 println!(r"Hello, {}!", "world");
251 println!("{\x41}", A = 92);
252 println!("{ничоси}", ничоси = 92);
255 "crates/ra_ide/src/snapshots/highlight_strings.html",
261 fn test_unsafe_highlighting() {
264 unsafe fn unsafe_fn() {}
269 unsafe fn unsafe_method(&self) {}
273 let x = &5 as *const usize;
276 HasUnsafeFn.unsafe_method();
283 "crates/ra_ide/src/snapshots/highlight_unsafe.html",
289 fn test_highlight_doctest() {
293 /// Constructs a new `Foo`.
298 /// # #![allow(unused_mut)]
299 /// let mut foo: Foo = Foo::new();
301 pub const fn new() -> Foo {
305 /// `bar` method on `Foo`.
310 /// let foo = Foo::new();
312 /// // calls bar on foo
313 /// assert!(foo.bar());
318 /// let multi_line_string = "Foo
325 /// let foobar = Foo::new().bar();
327 pub fn foo(&self) -> bool {
333 "crates/ra_ide/src/snapshots/highlight_doctest.html",