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qdk/compiler/qsc_parse/src/prim

compiler/qsc_parse/src/prim/tests.rs

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1// Copyright (c) Microsoft Corporation.
2// Licensed under the MIT License.
3
4use super::{ident, opt, pat, path, seq};
5use crate::{
6 keyword::Keyword,
7 lex::{ClosedBinOp, TokenKind},
8 scan::Scanner,
9 tests::{check, check_opt, check_seq},
10 Error, ErrorKind,
11};
12use expect_test::expect;
13use qsc_data_structures::span::Span;
14
15#[test]
16fn ident_basic() {
17 check(ident, "foo", &expect![[r#"Ident _id_ [0-3] "foo""#]]);
18}
19
20#[test]
21fn ident_num_suffix() {
22 check(ident, "foo2", &expect![[r#"Ident _id_ [0-4] "foo2""#]]);
23}
24
25#[test]
26fn ident_underscore_prefix() {
27 check(ident, "_foo", &expect![[r#"Ident _id_ [0-4] "_foo""#]]);
28}
29
30#[test]
31fn ident_num_prefix() {
32 check(
33 ident,
34 "2foo",
35 &expect![[r#"
36 Error(
37 Rule(
38 "identifier",
39 Int(
40 Decimal,
41 ),
42 Span {
43 lo: 0,
44 hi: 1,
45 },
46 ),
47 )
48 "#]],
49 );
50}
51
52#[test]
53fn ident_keyword() {
54 for keyword in enum_iterator::all::<Keyword>() {
55 let mut scanner = Scanner::new(keyword.as_str());
56 let actual = ident(&mut scanner);
57 let span = Span {
58 lo: 0,
59 hi: keyword
60 .as_str()
61 .len()
62 .try_into()
63 .expect("keyword length should fit into u32"),
64 };
65
66 let expected = Error(match keyword {
67 Keyword::And => {
68 ErrorKind::Rule("identifier", TokenKind::ClosedBinOp(ClosedBinOp::And), span)
69 }
70 Keyword::Or => {
71 ErrorKind::Rule("identifier", TokenKind::ClosedBinOp(ClosedBinOp::Or), span)
72 }
73 _ => ErrorKind::Rule("identifier", TokenKind::Keyword(keyword), span),
74 });
75
76 assert_eq!(actual, Err(expected), "{keyword}");
77 }
78}
79
80#[test]
81fn path_single() {
82 check(
83 path,
84 "Foo",
85 &expect![[r#"Path _id_ [0-3] (Ident _id_ [0-3] "Foo")"#]],
86 );
87}
88
89#[test]
90fn path_double() {
91 check(
92 path,
93 "Foo.Bar",
94 &expect![[r#"Path _id_ [0-7] (Ident _id_ [0-3] "Foo") (Ident _id_ [4-7] "Bar")"#]],
95 );
96}
97
98#[test]
99fn path_triple() {
100 check(
101 path,
102 "Foo.Bar.Baz",
103 &expect![[r#"Path _id_ [0-11] (Ident _id_ [0-7] "Foo.Bar") (Ident _id_ [8-11] "Baz")"#]],
104 );
105}
106
107#[test]
108fn path_trailing_dot() {
109 check(
110 path,
111 "Foo.Bar.",
112 &expect![[r#"
113 Error(
114 Rule(
115 "identifier",
116 Eof,
117 Span {
118 lo: 8,
119 hi: 8,
120 },
121 ),
122 )
123 "#]],
124 );
125}
126
127#[test]
128fn pat_bind() {
129 check(
130 pat,
131 "foo",
132 &expect![[r#"
133 Pat _id_ [0-3]: Bind:
134 Ident _id_ [0-3] "foo""#]],
135 );
136}
137
138#[test]
139fn pat_bind_ty() {
140 check(
141 pat,
142 "foo : Int",
143 &expect![[r#"
144 Pat _id_ [0-9]: Bind:
145 Ident _id_ [0-3] "foo"
146 Type _id_ [6-9]: Path: Path _id_ [6-9] (Ident _id_ [6-9] "Int")"#]],
147 );
148}
149
150#[test]
151fn pat_bind_discard() {
152 check(pat, "_", &expect!["Pat _id_ [0-1]: Discard"]);
153}
154
155#[test]
156fn pat_discard_ty() {
157 check(
158 pat,
159 "_ : Int",
160 &expect![[r#"
161 Pat _id_ [0-7]: Discard:
162 Type _id_ [4-7]: Path: Path _id_ [4-7] (Ident _id_ [4-7] "Int")"#]],
163 );
164}
165
166#[test]
167fn pat_paren() {
168 check(
169 pat,
170 "(foo)",
171 &expect![[r#"
172 Pat _id_ [0-5]: Paren:
173 Pat _id_ [1-4]: Bind:
174 Ident _id_ [1-4] "foo""#]],
175 );
176}
177
178#[test]
179fn pat_singleton_tuple() {
180 check(
181 pat,
182 "(foo,)",
183 &expect![[r#"
184 Pat _id_ [0-6]: Tuple:
185 Pat _id_ [1-4]: Bind:
186 Ident _id_ [1-4] "foo""#]],
187 );
188}
189
190#[test]
191fn pat_tuple() {
192 check(
193 pat,
194 "(foo, bar)",
195 &expect![[r#"
196 Pat _id_ [0-10]: Tuple:
197 Pat _id_ [1-4]: Bind:
198 Ident _id_ [1-4] "foo"
199 Pat _id_ [6-9]: Bind:
200 Ident _id_ [6-9] "bar""#]],
201 );
202}
203
204#[test]
205fn pat_tuple_ty_discard() {
206 check(
207 pat,
208 "(foo : Int, _)",
209 &expect![[r#"
210 Pat _id_ [0-14]: Tuple:
211 Pat _id_ [1-10]: Bind:
212 Ident _id_ [1-4] "foo"
213 Type _id_ [7-10]: Path: Path _id_ [7-10] (Ident _id_ [7-10] "Int")
214 Pat _id_ [12-13]: Discard"#]],
215 );
216}
217
218#[test]
219fn pat_invalid() {
220 check(
221 pat,
222 "@",
223 &expect![[r#"
224 Error(
225 Rule(
226 "pattern",
227 At,
228 Span {
229 lo: 0,
230 hi: 1,
231 },
232 ),
233 )
234 "#]],
235 );
236}
237
238#[test]
239fn pat_missing_ty() {
240 check(
241 pat,
242 "foo :",
243 &expect![[r#"
244 Error(
245 Rule(
246 "type",
247 Eof,
248 Span {
249 lo: 5,
250 hi: 5,
251 },
252 ),
253 )
254 "#]],
255 );
256}
257
258#[test]
259fn opt_succeed() {
260 check_opt(
261 |s| opt(s, path),
262 "Foo.Bar",
263 &expect![[r#"Path _id_ [0-7] (Ident _id_ [0-3] "Foo") (Ident _id_ [4-7] "Bar")"#]],
264 );
265}
266
267#[test]
268fn opt_fail_no_consume() {
269 check_opt(|s| opt(s, path), "123", &expect!["None"]);
270}
271
272#[test]
273fn opt_fail_consume() {
274 check_opt(
275 |s| opt(s, path),
276 "Foo.#",
277 &expect![[r#"
278 Error(
279 Rule(
280 "identifier",
281 Eof,
282 Span {
283 lo: 5,
284 hi: 5,
285 },
286 ),
287 )
288
289 [
290 Error(
291 Lex(
292 Unknown(
293 '#',
294 Span {
295 lo: 4,
296 hi: 5,
297 },
298 ),
299 ),
300 ),
301 ]"#]],
302 );
303}
304
305#[test]
306fn seq_empty() {
307 check_seq(|s| seq(s, ident), "", &expect!["(, Missing)"]);
308}
309
310#[test]
311fn seq_single() {
312 check_seq(
313 |s| seq(s, ident),
314 "foo",
315 &expect![[r#"(Ident _id_ [0-3] "foo", Missing)"#]],
316 );
317}
318
319#[test]
320fn seq_double() {
321 check_seq(
322 |s| seq(s, ident),
323 "foo, bar",
324 &expect![[r#"
325 (Ident _id_ [0-3] "foo",
326 Ident _id_ [5-8] "bar", Missing)"#]],
327 );
328}
329
330#[test]
331fn seq_trailing() {
332 check_seq(
333 |s| seq(s, ident),
334 "foo, bar,",
335 &expect![[r#"
336 (Ident _id_ [0-3] "foo",
337 Ident _id_ [5-8] "bar", Present)"#]],
338 );
339}
340
341#[test]
342fn seq_fail_no_consume() {
343 check_seq(
344 |s| seq(s, ident),
345 "foo, 2",
346 &expect![[r#"(Ident _id_ [0-3] "foo", Present)"#]],
347 );
348}
349
350#[test]
351fn seq_fail_consume() {
352 check_seq(
353 |s| seq(s, path),
354 "foo, bar.",
355 &expect![[r#"
356 Error(
357 Rule(
358 "identifier",
359 Eof,
360 Span {
361 lo: 9,
362 hi: 9,
363 },
364 ),
365 )
366 "#]],
367 );
368}
369