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-rw-r--r--crates/ra_ide/src/syntax_highlighting/tests.rs380
1 files changed, 0 insertions, 380 deletions
diff --git a/crates/ra_ide/src/syntax_highlighting/tests.rs b/crates/ra_ide/src/syntax_highlighting/tests.rs
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--- a/crates/ra_ide/src/syntax_highlighting/tests.rs
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@@ -1,380 +0,0 @@
1use std::fs;
2
3use expect::{expect_file, ExpectFile};
4use test_utils::project_dir;
5
6use crate::{mock_analysis::single_file, FileRange, TextRange};
7
8#[test]
9fn test_highlighting() {
10 check_highlighting(
11 r#"
12#[derive(Clone, Debug)]
13struct Foo {
14 pub x: i32,
15 pub y: i32,
16}
17
18trait Bar {
19 fn bar(&self) -> i32;
20}
21
22impl Bar for Foo {
23 fn bar(&self) -> i32 {
24 self.x
25 }
26}
27
28impl Foo {
29 fn baz(mut self) -> i32 {
30 self.x
31 }
32
33 fn qux(&mut self) {
34 self.x = 0;
35 }
36}
37
38static mut STATIC_MUT: i32 = 0;
39
40fn foo<'a, T>() -> T {
41 foo::<'a, i32>()
42}
43
44macro_rules! def_fn {
45 ($($tt:tt)*) => {$($tt)*}
46}
47
48def_fn! {
49 fn bar() -> u32 {
50 100
51 }
52}
53
54macro_rules! noop {
55 ($expr:expr) => {
56 $expr
57 }
58}
59
60// comment
61fn main() {
62 println!("Hello, {}!", 92);
63
64 let mut vec = Vec::new();
65 if true {
66 let x = 92;
67 vec.push(Foo { x, y: 1 });
68 }
69 unsafe {
70 vec.set_len(0);
71 STATIC_MUT = 1;
72 }
73
74 for e in vec {
75 // Do nothing
76 }
77
78 noop!(noop!(1));
79
80 let mut x = 42;
81 let y = &mut x;
82 let z = &y;
83
84 let Foo { x: z, y } = Foo { x: z, y };
85
86 y;
87}
88
89enum Option<T> {
90 Some(T),
91 None,
92}
93use Option::*;
94
95impl<T> Option<T> {
96 fn and<U>(self, other: Option<U>) -> Option<(T, U)> {
97 match other {
98 None => unimplemented!(),
99 Nope => Nope,
100 }
101 }
102}
103"#
104 .trim(),
105 expect_file!["crates/ra_ide/test_data/highlighting.html"],
106 false,
107 );
108}
109
110#[test]
111fn test_rainbow_highlighting() {
112 check_highlighting(
113 r#"
114fn main() {
115 let hello = "hello";
116 let x = hello.to_string();
117 let y = hello.to_string();
118
119 let x = "other color please!";
120 let y = x.to_string();
121}
122
123fn bar() {
124 let mut hello = "hello";
125}
126"#
127 .trim(),
128 expect_file!["crates/ra_ide/test_data/rainbow_highlighting.html"],
129 true,
130 );
131}
132
133#[test]
134fn accidentally_quadratic() {
135 let file = project_dir().join("crates/ra_syntax/test_data/accidentally_quadratic");
136 let src = fs::read_to_string(file).unwrap();
137
138 let (analysis, file_id) = single_file(&src);
139
140 // let t = std::time::Instant::now();
141 let _ = analysis.highlight(file_id).unwrap();
142 // eprintln!("elapsed: {:?}", t.elapsed());
143}
144
145#[test]
146fn test_ranges() {
147 let (analysis, file_id) = single_file(
148 r#"
149#[derive(Clone, Debug)]
150struct Foo {
151 pub x: i32,
152 pub y: i32,
153}
154"#,
155 );
156
157 // The "x"
158 let highlights = &analysis
159 .highlight_range(FileRange { file_id, range: TextRange::at(45.into(), 1.into()) })
160 .unwrap();
161
162 assert_eq!(&highlights[0].highlight.to_string(), "field.declaration");
163}
164
165#[test]
166fn test_flattening() {
167 check_highlighting(
168 r##"
169fn fixture(ra_fixture: &str) {}
170
171fn main() {
172 fixture(r#"
173 trait Foo {
174 fn foo() {
175 println!("2 + 2 = {}", 4);
176 }
177 }"#
178 );
179}"##
180 .trim(),
181 expect_file!["crates/ra_ide/test_data/highlight_injection.html"],
182 false,
183 );
184}
185
186#[test]
187fn ranges_sorted() {
188 let (analysis, file_id) = single_file(
189 r#"
190#[foo(bar = "bar")]
191macro_rules! test {}
192}"#
193 .trim(),
194 );
195 let _ = analysis.highlight(file_id).unwrap();
196}
197
198#[test]
199fn test_string_highlighting() {
200 // The format string detection is based on macro-expansion,
201 // thus, we have to copy the macro definition from `std`
202 check_highlighting(
203 r#"
204macro_rules! println {
205 ($($arg:tt)*) => ({
206 $crate::io::_print($crate::format_args_nl!($($arg)*));
207 })
208}
209#[rustc_builtin_macro]
210macro_rules! format_args_nl {
211 ($fmt:expr) => {{ /* compiler built-in */ }};
212 ($fmt:expr, $($args:tt)*) => {{ /* compiler built-in */ }};
213}
214
215fn main() {
216 // from https://doc.rust-lang.org/std/fmt/index.html
217 println!("Hello"); // => "Hello"
218 println!("Hello, {}!", "world"); // => "Hello, world!"
219 println!("The number is {}", 1); // => "The number is 1"
220 println!("{:?}", (3, 4)); // => "(3, 4)"
221 println!("{value}", value=4); // => "4"
222 println!("{} {}", 1, 2); // => "1 2"
223 println!("{:04}", 42); // => "0042" with leading zerosV
224 println!("{1} {} {0} {}", 1, 2); // => "2 1 1 2"
225 println!("{argument}", argument = "test"); // => "test"
226 println!("{name} {}", 1, name = 2); // => "2 1"
227 println!("{a} {c} {b}", a="a", b='b', c=3); // => "a 3 b"
228 println!("{{{}}}", 2); // => "{2}"
229 println!("Hello {:5}!", "x");
230 println!("Hello {:1$}!", "x", 5);
231 println!("Hello {1:0$}!", 5, "x");
232 println!("Hello {:width$}!", "x", width = 5);
233 println!("Hello {:<5}!", "x");
234 println!("Hello {:-<5}!", "x");
235 println!("Hello {:^5}!", "x");
236 println!("Hello {:>5}!", "x");
237 println!("Hello {:+}!", 5);
238 println!("{:#x}!", 27);
239 println!("Hello {:05}!", 5);
240 println!("Hello {:05}!", -5);
241 println!("{:#010x}!", 27);
242 println!("Hello {0} is {1:.5}", "x", 0.01);
243 println!("Hello {1} is {2:.0$}", 5, "x", 0.01);
244 println!("Hello {0} is {2:.1$}", "x", 5, 0.01);
245 println!("Hello {} is {:.*}", "x", 5, 0.01);
246 println!("Hello {} is {2:.*}", "x", 5, 0.01);
247 println!("Hello {} is {number:.prec$}", "x", prec = 5, number = 0.01);
248 println!("{}, `{name:.*}` has 3 fractional digits", "Hello", 3, name=1234.56);
249 println!("{}, `{name:.*}` has 3 characters", "Hello", 3, name="1234.56");
250 println!("{}, `{name:>8.*}` has 3 right-aligned characters", "Hello", 3, name="1234.56");
251 println!("Hello {{}}");
252 println!("{{ Hello");
253
254 println!(r"Hello, {}!", "world");
255
256 // escape sequences
257 println!("Hello\nWorld");
258 println!("\u{48}\x65\x6C\x6C\x6F World");
259
260 println!("{\x41}", A = 92);
261 println!("{ничоси}", ничоси = 92);
262}"#
263 .trim(),
264 expect_file!["crates/ra_ide/test_data/highlight_strings.html"],
265 false,
266 );
267}
268
269#[test]
270fn test_unsafe_highlighting() {
271 check_highlighting(
272 r#"
273unsafe fn unsafe_fn() {}
274
275struct HasUnsafeFn;
276
277impl HasUnsafeFn {
278 unsafe fn unsafe_method(&self) {}
279}
280
281fn main() {
282 let x = &5 as *const usize;
283 unsafe {
284 unsafe_fn();
285 HasUnsafeFn.unsafe_method();
286 let y = *(x);
287 let z = -x;
288 }
289}
290"#
291 .trim(),
292 expect_file!["crates/ra_ide/test_data/highlight_unsafe.html"],
293 false,
294 );
295}
296
297#[test]
298fn test_highlight_doctest() {
299 check_highlighting(
300 r#"
301/// ```
302/// let _ = "early doctests should not go boom";
303/// ```
304struct Foo {
305 bar: bool,
306}
307
308impl Foo {
309 pub const bar: bool = true;
310
311 /// Constructs a new `Foo`.
312 ///
313 /// # Examples
314 ///
315 /// ```
316 /// # #![allow(unused_mut)]
317 /// let mut foo: Foo = Foo::new();
318 /// ```
319 pub const fn new() -> Foo {
320 Foo { bar: true }
321 }
322
323 /// `bar` method on `Foo`.
324 ///
325 /// # Examples
326 ///
327 /// ```
328 /// use x::y;
329 ///
330 /// let foo = Foo::new();
331 ///
332 /// // calls bar on foo
333 /// assert!(foo.bar());
334 ///
335 /// let bar = foo.bar || Foo::bar;
336 ///
337 /// /* multi-line
338 /// comment */
339 ///
340 /// let multi_line_string = "Foo
341 /// bar
342 /// ";
343 ///
344 /// ```
345 ///
346 /// ```rust,no_run
347 /// let foobar = Foo::new().bar();
348 /// ```
349 ///
350 /// ```sh
351 /// echo 1
352 /// ```
353 pub fn foo(&self) -> bool {
354 true
355 }
356}
357
358/// ```
359/// noop!(1);
360/// ```
361macro_rules! noop {
362 ($expr:expr) => {
363 $expr
364 }
365}
366"#
367 .trim(),
368 expect_file!["crates/ra_ide/test_data/highlight_doctest.html"],
369 false,
370 );
371}
372
373/// Highlights the code given by the `ra_fixture` argument, renders the
374/// result as HTML, and compares it with the HTML file given as `snapshot`.
375/// Note that the `snapshot` file is overwritten by the rendered HTML.
376fn check_highlighting(ra_fixture: &str, expect: ExpectFile, rainbow: bool) {
377 let (analysis, file_id) = single_file(ra_fixture);
378 let actual_html = &analysis.highlight_as_html(file_id, rainbow).unwrap();
379 expect.assert_eq(actual_html)
380}
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