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Commit | Line | Data |
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e74abb32 XL |
1 | use super::*; |
2 | ||
3 | use crate::json::JsonEmitter; | |
dfeec247 | 4 | use rustc_span::source_map::{FilePathMapping, SourceMap}; |
e74abb32 | 5 | |
60c5eb7d XL |
6 | use crate::emitter::{ColorConfig, HumanReadableErrorType}; |
7 | use crate::Handler; | |
dfeec247 | 8 | use rustc_span::{BytePos, Span}; |
e74abb32 XL |
9 | |
10 | use std::str; | |
11 | ||
923072b8 FG |
12 | use serde::Deserialize; |
13 | ||
14 | #[derive(Deserialize, Debug, PartialEq, Eq)] | |
15 | struct TestData { | |
16 | spans: Vec<SpanTestData>, | |
17 | } | |
18 | ||
19 | #[derive(Deserialize, Debug, PartialEq, Eq)] | |
e74abb32 XL |
20 | struct SpanTestData { |
21 | pub byte_start: u32, | |
22 | pub byte_end: u32, | |
23 | pub line_start: u32, | |
24 | pub column_start: u32, | |
25 | pub line_end: u32, | |
26 | pub column_end: u32, | |
27 | } | |
28 | ||
60c5eb7d XL |
29 | struct Shared<T> { |
30 | data: Arc<Mutex<T>>, | |
31 | } | |
32 | ||
33 | impl<T: Write> Write for Shared<T> { | |
34 | fn write(&mut self, buf: &[u8]) -> io::Result<usize> { | |
35 | self.data.lock().unwrap().write(buf) | |
36 | } | |
37 | ||
38 | fn flush(&mut self) -> io::Result<()> { | |
39 | self.data.lock().unwrap().flush() | |
40 | } | |
41 | } | |
42 | ||
e74abb32 XL |
43 | /// Test the span yields correct positions in JSON. |
44 | fn test_positions(code: &str, span: (u32, u32), expected_output: SpanTestData) { | |
136023e0 | 45 | rustc_span::create_default_session_globals_then(|| { |
e74abb32 XL |
46 | let sm = Lrc::new(SourceMap::new(FilePathMapping::empty())); |
47 | sm.new_source_file(Path::new("test.rs").to_owned().into(), code.to_owned()); | |
04454e1e FG |
48 | let fallback_bundle = |
49 | crate::fallback_fluent_bundle(rustc_error_messages::DEFAULT_LOCALE_RESOURCES, false); | |
e74abb32 XL |
50 | |
51 | let output = Arc::new(Mutex::new(Vec::new())); | |
52 | let je = JsonEmitter::new( | |
53 | Box::new(Shared { data: output.clone() }), | |
54 | None, | |
55 | sm, | |
04454e1e FG |
56 | None, |
57 | fallback_bundle, | |
e74abb32 XL |
58 | true, |
59 | HumanReadableErrorType::Short(ColorConfig::Never), | |
f035d41b | 60 | None, |
e74abb32 | 61 | false, |
487cf647 | 62 | false, |
e74abb32 XL |
63 | ); |
64 | ||
65 | let span = Span::with_root_ctxt(BytePos(span.0), BytePos(span.1)); | |
66 | let handler = Handler::with_emitter(true, None, Box::new(je)); | |
67 | handler.span_err(span, "foo"); | |
68 | ||
69 | let bytes = output.lock().unwrap(); | |
70 | let actual_output = str::from_utf8(&bytes).unwrap(); | |
923072b8 FG |
71 | let actual_output: TestData = serde_json::from_str(actual_output).unwrap(); |
72 | let spans = actual_output.spans; | |
5e7ed085 | 73 | assert_eq!(spans.len(), 1); |
923072b8 FG |
74 | |
75 | assert_eq!(expected_output, spans[0]) | |
e74abb32 XL |
76 | }) |
77 | } | |
78 | ||
79 | #[test] | |
80 | fn empty() { | |
81 | test_positions( | |
82 | " ", | |
83 | (0, 1), | |
84 | SpanTestData { | |
85 | byte_start: 0, | |
86 | byte_end: 1, | |
87 | line_start: 1, | |
88 | column_start: 1, | |
89 | line_end: 1, | |
90 | column_end: 2, | |
91 | }, | |
92 | ) | |
93 | } | |
94 | ||
95 | #[test] | |
96 | fn bom() { | |
97 | test_positions( | |
98 | "\u{feff} ", | |
99 | (0, 1), | |
100 | SpanTestData { | |
101 | byte_start: 3, | |
102 | byte_end: 4, | |
103 | line_start: 1, | |
104 | column_start: 1, | |
105 | line_end: 1, | |
106 | column_end: 2, | |
107 | }, | |
108 | ) | |
109 | } | |
110 | ||
111 | #[test] | |
112 | fn lf_newlines() { | |
113 | test_positions( | |
114 | "\nmod foo;\nmod bar;\n", | |
115 | (5, 12), | |
116 | SpanTestData { | |
117 | byte_start: 5, | |
118 | byte_end: 12, | |
119 | line_start: 2, | |
120 | column_start: 5, | |
121 | line_end: 3, | |
122 | column_end: 3, | |
123 | }, | |
124 | ) | |
125 | } | |
126 | ||
127 | #[test] | |
128 | fn crlf_newlines() { | |
129 | test_positions( | |
130 | "\r\nmod foo;\r\nmod bar;\r\n", | |
131 | (5, 12), | |
132 | SpanTestData { | |
133 | byte_start: 6, | |
134 | byte_end: 14, | |
135 | line_start: 2, | |
136 | column_start: 5, | |
137 | line_end: 3, | |
138 | column_end: 3, | |
139 | }, | |
140 | ) | |
141 | } | |
142 | ||
143 | #[test] | |
144 | fn crlf_newlines_with_bom() { | |
145 | test_positions( | |
146 | "\u{feff}\r\nmod foo;\r\nmod bar;\r\n", | |
147 | (5, 12), | |
148 | SpanTestData { | |
149 | byte_start: 9, | |
150 | byte_end: 17, | |
151 | line_start: 2, | |
152 | column_start: 5, | |
153 | line_end: 3, | |
154 | column_end: 3, | |
155 | }, | |
156 | ) | |
157 | } | |
158 | ||
159 | #[test] | |
160 | fn span_before_crlf() { | |
161 | test_positions( | |
162 | "foo\r\nbar", | |
163 | (2, 3), | |
164 | SpanTestData { | |
165 | byte_start: 2, | |
166 | byte_end: 3, | |
167 | line_start: 1, | |
168 | column_start: 3, | |
169 | line_end: 1, | |
170 | column_end: 4, | |
171 | }, | |
172 | ) | |
173 | } | |
174 | ||
175 | #[test] | |
176 | fn span_on_crlf() { | |
177 | test_positions( | |
178 | "foo\r\nbar", | |
179 | (3, 4), | |
180 | SpanTestData { | |
181 | byte_start: 3, | |
182 | byte_end: 5, | |
183 | line_start: 1, | |
184 | column_start: 4, | |
185 | line_end: 2, | |
186 | column_end: 1, | |
187 | }, | |
188 | ) | |
189 | } | |
190 | ||
191 | #[test] | |
192 | fn span_after_crlf() { | |
193 | test_positions( | |
194 | "foo\r\nbar", | |
195 | (4, 5), | |
196 | SpanTestData { | |
197 | byte_start: 5, | |
198 | byte_end: 6, | |
199 | line_start: 2, | |
200 | column_start: 1, | |
201 | line_end: 2, | |
202 | column_end: 2, | |
203 | }, | |
204 | ) | |
205 | } |