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1 // Copyright 2008 the V8 project authors. All rights reserved. | |
2 // Redistribution and use in source and binary forms, with or without | |
3 // modification, are permitted provided that the following conditions are | |
4 // met: | |
5 // | |
6 // * Redistributions of source code must retain the above copyright | |
7 // notice, this list of conditions and the following disclaimer. | |
8 // * Redistributions in binary form must reproduce the above | |
9 // copyright notice, this list of conditions and the following | |
10 // disclaimer in the documentation and/or other materials provided | |
11 // with the distribution. | |
12 // * Neither the name of Google Inc. nor the names of its | |
13 // contributors may be used to endorse or promote products derived | |
14 // from this software without specific prior written permission. | |
15 // | |
16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
27 | |
28 // Flags: --expose-debug-as debug | |
29 // For this test to work this file MUST have CR LF line endings. | |
30 function a() { b(); }; | |
31 function b() { | |
32 c(true); | |
33 }; | |
34 function c(x) { | |
35 if (x) { | |
36 return 1; | |
37 } else { | |
38 return 1; | |
39 } | |
40 }; | |
41 function d(x) { | |
42 x = 1 ; | |
43 x = 2 ; | |
44 x = 3 ; | |
45 x = 4 ; | |
46 x = 5 ; | |
47 x = 6 ; | |
48 x = 7 ; | |
49 x = 8 ; | |
50 x = 9 ; | |
51 x = 10; | |
52 x = 11; | |
53 x = 12; | |
54 x = 13; | |
55 x = 14; | |
56 x = 15; | |
57 } | |
58 | |
59 // Get the Debug object exposed from the debug context global object. | |
60 Debug = debug.Debug | |
61 | |
62 // This is the number of comment lines above the first test function. | |
63 var comment_lines = 29; | |
64 | |
65 // This is the last position in the entire file (note: this equals | |
66 // file size of <debug-sourceinfo.js> - 1, since starting at 0). | |
67 var last_position = 14312; | |
68 // This is the last line of entire file (note: starting at 0). | |
69 var last_line = 351; | |
70 // This is the last column of last line (note: starting at 0 and +2, due | |
71 // to trailing <CR><LF>). | |
72 var last_column = 2; | |
73 | |
74 // This magic number is the length or the first line comment (actually number | |
75 // of characters before 'function a(...'. | |
76 var comment_line_length = 1726; | |
77 var start_a = 10 + comment_line_length; | |
78 var start_b = 37 + comment_line_length; | |
79 var start_c = 71 + comment_line_length; | |
80 var start_d = 163 + comment_line_length; | |
81 | |
82 // The position of the first line of d(), i.e. "x = 1 ;". | |
83 var start_code_d = start_d + 7; | |
84 // The line # of the first line of d() (note: starting at 0). | |
85 var start_line_d = 41; | |
86 var line_length_d = 11; | |
87 var num_lines_d = 15; | |
88 | |
89 assertEquals(start_a, Debug.sourcePosition(a)); | |
90 assertEquals(start_b, Debug.sourcePosition(b)); | |
91 assertEquals(start_c, Debug.sourcePosition(c)); | |
92 assertEquals(start_d, Debug.sourcePosition(d)); | |
93 | |
94 var script = Debug.findScript(a); | |
95 assertTrue(script.data === Debug.findScript(b).data); | |
96 assertTrue(script.data === Debug.findScript(c).data); | |
97 assertTrue(script.data === Debug.findScript(d).data); | |
98 assertTrue(script.source === Debug.findScript(b).source); | |
99 assertTrue(script.source === Debug.findScript(c).source); | |
100 assertTrue(script.source === Debug.findScript(d).source); | |
101 | |
102 // Test that when running through source positions the position, line and | |
103 // column progresses as expected. | |
104 var position; | |
105 var line; | |
106 var column; | |
107 for (var p = 0; p < 100; p++) { | |
108 var location = script.locationFromPosition(p); | |
109 if (p > 0) { | |
110 assertEquals(position + 1, location.position); | |
111 if (line == location.line) { | |
112 assertEquals(column + 1, location.column); | |
113 } else { | |
114 assertEquals(line + 1, location.line); | |
115 assertEquals(0, location.column); | |
116 } | |
117 } else { | |
118 assertEquals(0, location.position); | |
119 assertEquals(0, location.line); | |
120 assertEquals(0, location.column); | |
121 } | |
122 | |
123 // Remember the location. | |
124 position = location.position; | |
125 line = location.line; | |
126 column = location.column; | |
127 } | |
128 | |
129 // Every line of d() is the same length. Verify we can loop through all | |
130 // positions and find the right line # for each. | |
131 var p = start_code_d; | |
132 for (line = 0; line < num_lines_d; line++) { | |
133 for (column = 0; column < line_length_d; column++) { | |
134 var location = script.locationFromPosition(p); | |
135 assertEquals(p, location.position); | |
136 assertEquals(start_line_d + line, location.line); | |
137 assertEquals(column, location.column); | |
138 p++; | |
139 } | |
140 } | |
141 | |
142 // Test first position. | |
143 assertEquals(0, script.locationFromPosition(0).position); | |
144 assertEquals(0, script.locationFromPosition(0).line); | |
145 assertEquals(0, script.locationFromPosition(0).column); | |
146 | |
147 // Test second position. | |
148 assertEquals(1, script.locationFromPosition(1).position); | |
149 assertEquals(0, script.locationFromPosition(1).line); | |
150 assertEquals(1, script.locationFromPosition(1).column); | |
151 | |
152 // Test first position in function a(). | |
153 assertEquals(start_a, script.locationFromPosition(start_a).position); | |
154 assertEquals(0, script.locationFromPosition(start_a).line - comment_lines); | |
155 assertEquals(10, script.locationFromPosition(start_a).column); | |
156 | |
157 // Test first position in function b(). | |
158 assertEquals(start_b, script.locationFromPosition(start_b).position); | |
159 assertEquals(1, script.locationFromPosition(start_b).line - comment_lines); | |
160 assertEquals(13, script.locationFromPosition(start_b).column); | |
161 | |
162 // Test first position in function c(). | |
163 assertEquals(start_c, script.locationFromPosition(start_c).position); | |
164 assertEquals(4, script.locationFromPosition(start_c).line - comment_lines); | |
165 assertEquals(12, script.locationFromPosition(start_c).column); | |
166 | |
167 // Test first position in function d(). | |
168 assertEquals(start_d, script.locationFromPosition(start_d).position); | |
169 assertEquals(11, script.locationFromPosition(start_d).line - comment_lines); | |
170 assertEquals(10, script.locationFromPosition(start_d).column); | |
171 | |
172 // Test first line. | |
173 assertEquals(0, script.locationFromLine().position); | |
174 assertEquals(0, script.locationFromLine().line); | |
175 assertEquals(0, script.locationFromLine().column); | |
176 assertEquals(0, script.locationFromLine(0).position); | |
177 assertEquals(0, script.locationFromLine(0).line); | |
178 assertEquals(0, script.locationFromLine(0).column); | |
179 | |
180 // Test first line column 1. | |
181 assertEquals(1, script.locationFromLine(0, 1).position); | |
182 assertEquals(0, script.locationFromLine(0, 1).line); | |
183 assertEquals(1, script.locationFromLine(0, 1).column); | |
184 | |
185 // Test first line offset 1. | |
186 assertEquals(1, script.locationFromLine(0, 0, 1).position); | |
187 assertEquals(0, script.locationFromLine(0, 0, 1).line); | |
188 assertEquals(1, script.locationFromLine(0, 0, 1).column); | |
189 | |
190 // Test offset function a(). | |
191 assertEquals(start_a, script.locationFromLine(void 0, void 0, start_a).position)
; | |
192 assertEquals(0, script.locationFromLine(void 0, void 0, start_a).line - comment_
lines); | |
193 assertEquals(10, script.locationFromLine(void 0, void 0, start_a).column); | |
194 assertEquals(start_a, script.locationFromLine(0, void 0, start_a).position); | |
195 assertEquals(0, script.locationFromLine(0, void 0, start_a).line - comment_lines
); | |
196 assertEquals(10, script.locationFromLine(0, void 0, start_a).column); | |
197 assertEquals(start_a, script.locationFromLine(0, 0, start_a).position); | |
198 assertEquals(0, script.locationFromLine(0, 0, start_a).line - comment_lines); | |
199 assertEquals(10, script.locationFromLine(0, 0, start_a).column); | |
200 | |
201 // Test second line offset function a(). | |
202 assertEquals(start_a + 14, script.locationFromLine(1, 0, start_a).position); | |
203 assertEquals(1, script.locationFromLine(1, 0, start_a).line - comment_lines); | |
204 assertEquals(0, script.locationFromLine(1, 0, start_a).column); | |
205 | |
206 // Test second line column 2 offset function a(). | |
207 assertEquals(start_a + 14 + 2, script.locationFromLine(1, 2, start_a).position); | |
208 assertEquals(1, script.locationFromLine(1, 2, start_a).line - comment_lines); | |
209 assertEquals(2, script.locationFromLine(1, 2, start_a).column); | |
210 | |
211 // Test offset function b(). | |
212 assertEquals(start_b, script.locationFromLine(0, 0, start_b).position); | |
213 assertEquals(1, script.locationFromLine(0, 0, start_b).line - comment_lines); | |
214 assertEquals(13, script.locationFromLine(0, 0, start_b).column); | |
215 | |
216 // Test second line offset function b(). | |
217 assertEquals(start_b + 6, script.locationFromLine(1, 0, start_b).position); | |
218 assertEquals(2, script.locationFromLine(1, 0, start_b).line - comment_lines); | |
219 assertEquals(0, script.locationFromLine(1, 0, start_b).column); | |
220 | |
221 // Test second line column 11 offset function b(). | |
222 assertEquals(start_b + 6 + 11, script.locationFromLine(1, 11, start_b).position)
; | |
223 assertEquals(2, script.locationFromLine(1, 11, start_b).line - comment_lines); | |
224 assertEquals(11, script.locationFromLine(1, 11, start_b).column); | |
225 | |
226 // Test second line column 12 offset function b. Second line in b is 11 long | |
227 // using column 12 wraps to next line. | |
228 assertEquals(start_b + 6 + 12, script.locationFromLine(1, 12, start_b).position)
; | |
229 assertEquals(3, script.locationFromLine(1, 12, start_b).line - comment_lines); | |
230 assertEquals(0, script.locationFromLine(1, 12, start_b).column); | |
231 | |
232 // Test the Debug.findSourcePosition which wraps SourceManager. | |
233 assertEquals(0 + start_a, Debug.findFunctionSourceLocation(a, 0, 0).position); | |
234 assertEquals(0 + start_b, Debug.findFunctionSourceLocation(b, 0, 0).position); | |
235 assertEquals(6 + start_b, Debug.findFunctionSourceLocation(b, 1, 0).position); | |
236 assertEquals(8 + start_b, Debug.findFunctionSourceLocation(b, 1, 2).position); | |
237 assertEquals(18 + start_b, Debug.findFunctionSourceLocation(b, 2, 0).position); | |
238 assertEquals(0 + start_c, Debug.findFunctionSourceLocation(c, 0, 0).position); | |
239 assertEquals(7 + start_c, Debug.findFunctionSourceLocation(c, 1, 0).position); | |
240 assertEquals(21 + start_c, Debug.findFunctionSourceLocation(c, 2, 0).position); | |
241 assertEquals(38 + start_c, Debug.findFunctionSourceLocation(c, 3, 0).position); | |
242 assertEquals(52 + start_c, Debug.findFunctionSourceLocation(c, 4, 0).position); | |
243 assertEquals(69 + start_c, Debug.findFunctionSourceLocation(c, 5, 0).position); | |
244 assertEquals(76 + start_c, Debug.findFunctionSourceLocation(c, 6, 0).position); | |
245 assertEquals(0 + start_d, Debug.findFunctionSourceLocation(d, 0, 0).position); | |
246 assertEquals(7 + start_d, Debug.findFunctionSourceLocation(d, 1, 0).position); | |
247 for (i = 1; i <= num_lines_d; i++) { | |
248 assertEquals(7 + (i * line_length_d) + start_d, Debug.findFunctionSourceLocati
on(d, (i + 1), 0).position); | |
249 } | |
250 assertEquals(175 + start_d, Debug.findFunctionSourceLocation(d, 17, 0).position)
; | |
251 | |
252 // Make sure invalid inputs work properly. | |
253 assertEquals(0, script.locationFromPosition(-1).line); | |
254 assertEquals(null, script.locationFromPosition(last_position + 1)); | |
255 | |
256 // Test last position. | |
257 assertEquals(last_position, script.locationFromPosition(last_position).position)
; | |
258 assertEquals(last_line, script.locationFromPosition(last_position).line); | |
259 assertEquals(last_column, script.locationFromPosition(last_position).column); | |
260 | |
261 // Test source line and restriction. All the following tests start from line 1 | |
262 // column 2 in function b, which is the call to c. | |
263 // c(true); | |
264 // ^ | |
265 | |
266 var location; | |
267 | |
268 location = script.locationFromLine(1, 0, start_b); | |
269 assertEquals(' c(true);', location.sourceText()); | |
270 | |
271 result = ['c', ' c', ' c(', ' c(', ' c(t'] | |
272 for (var i = 1; i <= 5; i++) { | |
273 location = script.locationFromLine(1, 2, start_b); | |
274 location.restrict(i); | |
275 assertEquals(result[i - 1], location.sourceText()); | |
276 } | |
277 | |
278 location = script.locationFromLine(1, 2, start_b); | |
279 location.restrict(1, 0); | |
280 assertEquals('c', location.sourceText()); | |
281 | |
282 location = script.locationFromLine(1, 2, start_b); | |
283 location.restrict(2, 0); | |
284 assertEquals('c(', location.sourceText()); | |
285 | |
286 location = script.locationFromLine(1, 2, start_b); | |
287 location.restrict(2, 1); | |
288 assertEquals(' c', location.sourceText()); | |
289 | |
290 location = script.locationFromLine(1, 2, start_b); | |
291 location.restrict(2, 2); | |
292 assertEquals(' c', location.sourceText()); | |
293 | |
294 location = script.locationFromLine(1, 2, start_b); | |
295 location.restrict(2, 3); | |
296 assertEquals(' c', location.sourceText()); | |
297 | |
298 location = script.locationFromLine(1, 2, start_b); | |
299 location.restrict(3, 1); | |
300 assertEquals(' c(', location.sourceText()); | |
301 | |
302 location = script.locationFromLine(1, 2, start_b); | |
303 location.restrict(5, 0); | |
304 assertEquals('c(tru', location.sourceText()); | |
305 | |
306 location = script.locationFromLine(1, 2, start_b); | |
307 location.restrict(5, 2); | |
308 assertEquals(' c(t', location.sourceText()); | |
309 | |
310 location = script.locationFromLine(1, 2, start_b); | |
311 location.restrict(5, 4); | |
312 assertEquals(' c(t', location.sourceText()); | |
313 | |
314 // All the following tests start from line 1 column 10 in function b, which is | |
315 // the final character. | |
316 // c(true); | |
317 // ^ | |
318 | |
319 location = script.locationFromLine(1, 10, start_b); | |
320 location.restrict(5, 0); | |
321 assertEquals('rue);', location.sourceText()); | |
322 | |
323 location = script.locationFromLine(1, 10, start_b); | |
324 location.restrict(7, 0); | |
325 assertEquals('(true);', location.sourceText()); | |
326 | |
327 // All the following tests start from line 1 column 0 in function b, which is | |
328 // the first character. | |
329 // c(true); | |
330 //^ | |
331 | |
332 location = script.locationFromLine(1, 0, start_b); | |
333 location.restrict(5, 0); | |
334 assertEquals(' c(t', location.sourceText()); | |
335 | |
336 location = script.locationFromLine(1, 0, start_b); | |
337 location.restrict(5, 4); | |
338 assertEquals(' c(t', location.sourceText()); | |
339 | |
340 location = script.locationFromLine(1, 0, start_b); | |
341 location.restrict(7, 0); | |
342 assertEquals(' c(tru', location.sourceText()); | |
343 | |
344 location = script.locationFromLine(1, 0, start_b); | |
345 location.restrict(7, 6); | |
346 assertEquals(' c(tru', location.sourceText()); | |
347 | |
348 // Test that script.sourceLine(line) works. | |
349 for (line = 0; line < num_lines_d; line++) { | |
350 var line_content_regexp = new RegExp(" x = " + (line + 1)); | |
351 assertTrue(line_content_regexp.test(script.sourceLine(start_line_d + line))); | |
352 } | |
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