summaryrefslogtreecommitdiffstats
path: root/devtools/shared/webconsole/test/chrome/test_jsterm_autocomplete.html
blob: bbc9aeb6fc0581175ad6030bbcf879469039d7d3 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
<!DOCTYPE HTML>
<html lang="en">
<head>
  <meta charset="utf8">
  <title>Test for JavaScript terminal functionality</title>
  <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
  <script type="text/javascript" src="common.js"></script>
  <!-- Any copyright is dedicated to the Public Domain.
     - http://creativecommons.org/publicdomain/zero/1.0/ -->
</head>
<body>
<p>Test for JavaScript terminal autocomplete functionality</p>

<script class="testbody" type="text/javascript">
  "use strict";

  SimpleTest.waitForExplicitFinish();
  const {
    MAX_AUTOCOMPLETE_ATTEMPTS,
    MAX_AUTOCOMPLETIONS
  } = require("devtools/shared/webconsole/js-property-provider");
  const RESERVED_JS_KEYWORDS = require("devtools/shared/webconsole/reserved-js-words");


  addEventListener("load", startTest);

  async function startTest() {
    // First run the tests with a tab as a target.
    let {state} = await attachConsoleToTab(["PageError"]);
    await performTests({state, isWorker: false});

    // Then run the tests with a worker as a target.
    state = (await attachConsoleToWorker(["PageError"])).state;
    await performTests({state, isWorker: true});

    SimpleTest.finish();
  }

  async function performTests({state, isWorker}) {
    // Set up the global variables needed to test autocompletion in the target.
    const script = `
      // This is for workers so autocomplete acts the same
      if (!this.window) {
        window = this;
      }

      window.foobarObject = Object.create(null);
      window.foobarObject.foo = 1;
      window.foobarObject.foobar = 2;
      window.foobarObject.foobaz = 3;
      window.foobarObject.omg = 4;
      window.foobarObject.omgfoo = 5;
      window.foobarObject.strfoo = "foobarz";
      window.foobarObject.omgstr = "foobarz" +
        (new Array(${DevToolsServer.LONG_STRING_LENGTH})).join("abb");
      window.largeObject1 = Object.create(null);
      for (let i = 0; i < ${MAX_AUTOCOMPLETE_ATTEMPTS + 1}; i++) {
        window.largeObject1['a' + i] = i;
      }

      window.largeObject2 = Object.create(null);
      for (let i = 0; i < ${MAX_AUTOCOMPLETIONS * 2}; i++) {
        window.largeObject2['a' + i] = i;
      }

      window.proxy1 = new Proxy({foo: 1}, {
        getPrototypeOf() { throw new Error() }
      });
      window.proxy2 = new Proxy(Object.create(Object.create(null, {foo:{}})), {
        ownKeys() { throw new Error() }
      });
      window.emojiObject = Object.create(null);
      window.emojiObject["😎"] = "😎";

      window.insensitiveTestCase = Object.create(null, Object.getOwnPropertyDescriptors({
        PROP: "",
        Prop: "",
        prop: "",
        PRÖP: "",
        pröp: "",
      }));

      window.elementAccessTestCase = Object.create(null, Object.getOwnPropertyDescriptors({
        bar: "",
        BAR: "",
        dataTest: "",
        "data-test": "",
        'da"ta"test': "",
        'da\`ta\`test': "",
        "da'ta'test": "",
      }));

      window.varify = true;

      var Cu_Sandbox = Cu ? Cu.Sandbox : null;
    `;
    await evaluateExpression(state.webConsoleFront, script);

    const tests = [
      doAutocomplete1,
      doAutocomplete2,
      doAutocomplete3,
      doAutocomplete4,
      doAutocompleteLarge1,
      doAutocompleteLarge2,
      doAutocompleteProxyThrowsPrototype,
      doAutocompleteProxyThrowsOwnKeys,
      doAutocompleteDotSurroundedBySpaces,
      doAutocompleteAfterOr,
      doInsensitiveAutocomplete,
      doElementAccessAutocomplete,
      doAutocompleteAfterOperator,
      dontAutocompleteAfterDeclaration,
      doKeywordsAutocomplete,
      dontAutocomplete,
    ];

    if (!isWorker) {
      // `Cu` is not defined in workers, then we can't test `Cu.Sandbox`
      tests.push(doAutocompleteSandbox);
      // Some cases are handled in worker context because we can't use parser.js.
      // See Bug 1507181.
      tests.push(
        doAutocompleteArray,
        doAutocompleteString,
        doAutocompleteCommands,
        doAutocompleteBracketSurroundedBySpaces,
      );
    }

    for (const test of tests) {
      await test(state.webConsoleFront);
    }

    // Null out proxy1 and proxy2: the proxy handlers use scripted functions
    // that can keep the debugger sandbox alive longer than necessary via their
    // environment chain (due to the webconsole helper functions defined there).
    await evaluateExpression(state.webConsoleFront, `this.proxy1 = null; this.proxy2 = null;`);

    await closeDebugger(state);
  }

  async function doAutocomplete1(webConsoleFront) {
    info("test autocomplete for 'window.foo'");
    const response = await webConsoleFront.autocomplete("window.foo");
    const matches = response.matches;

    is(response.matchProp, "foo", "matchProp");
    is(matches.length, 1, "matches.length");
    is(matches[0], "foobarObject", "matches[0]");
  }

  async function doAutocomplete2(webConsoleFront) {
    info("test autocomplete for 'window.foobarObject.'");
    const response = await webConsoleFront.autocomplete("window.foobarObject.");
    const matches = response.matches;

    ok(!response.matchProp, "matchProp");
    is(matches.length, 7, "matches.length");
    checkObject(matches,
      ["foo", "foobar", "foobaz", "omg", "omgfoo", "omgstr", "strfoo"]);
  }

  async function doAutocomplete3(webConsoleFront) {
    // Check that completion suggestions are offered inside the string.
    info("test autocomplete for 'dump(window.foobarObject.)'");
    const response = await webConsoleFront.autocomplete("dump(window.foobarObject.)", 25);
    const matches = response.matches;

    ok(!response.matchProp, "matchProp");
    is(matches.length, 7, "matches.length");
    checkObject(matches,
      ["foo", "foobar", "foobaz", "omg", "omgfoo", "omgstr", "strfoo"]);
  }

  async function doAutocomplete4(webConsoleFront) {
    // Check that completion requests can have no suggestions.
    info("test autocomplete for 'dump(window.foobarObject.)'");
    const response = await webConsoleFront.autocomplete("dump(window.foobarObject.)");
    ok(!response.matchProp, "matchProp");
    is(response.matches, null, "matches is null");
  }

  async function doAutocompleteLarge1(webConsoleFront) {
    // Check that completion requests with too large objects will
    // have no suggestions.
    info("test autocomplete for 'window.largeObject1.'");
    const response = await webConsoleFront.autocomplete("window.largeObject1.");
    ok(!response.matchProp, "matchProp");
    info (response.matches.join("|"));
    is(response.matches.length, 0, "Bailed out with too many properties");
  }

  async function doAutocompleteLarge2(webConsoleFront) {
    // Check that completion requests with pretty large objects will
    // have MAX_AUTOCOMPLETIONS suggestions
    info("test autocomplete for 'window.largeObject2.'");
    const response = await webConsoleFront.autocomplete("window.largeObject2.");
    ok(!response.matchProp, "matchProp");
    is(response.matches.length, MAX_AUTOCOMPLETIONS, "matches.length is MAX_AUTOCOMPLETIONS");
  }

  async function doAutocompleteProxyThrowsPrototype(webConsoleFront) {
    // Check that completion provides own properties even if [[GetPrototypeOf]] throws.
    info("test autocomplete for 'window.proxy1.'");
    const response = await webConsoleFront.autocomplete("window.proxy1.");
    ok(!response.matchProp, "matchProp");
    is(response.matches.length, 14, "matches.length");
    ok(response.matches.includes("foo"), "matches has own property for proxy with throwing getPrototypeOf trap");
  }

  async function doAutocompleteProxyThrowsOwnKeys(webConsoleFront) {
    // Check that completion provides inherited properties even if [[OwnPropertyKeys]] throws.
    info("test autocomplete for 'window.proxy2.'");
    const response = await webConsoleFront.autocomplete("window.proxy2.");
    ok(!response.matchProp, "matchProp");
    is(response.matches.length, 1, "matches.length");
    checkObject(response.matches, ["foo"]);
  }

  async function doAutocompleteSandbox(webConsoleFront) {
    // Check that completion provides inherited properties even if [[OwnPropertyKeys]] throws.
    info("test autocomplete for 'Cu_Sandbox.'");
    const response = await webConsoleFront.autocomplete("Cu_Sandbox.");
    ok(!response.matchProp, "matchProp");
    const keys = Object.getOwnPropertyNames(Object.prototype).sort();
    is(response.matches.length, keys.length, "matches.length");
    // checkObject(response.matches, keys);
    is(response.matches.join(" - "), keys.join(" - "));
  }

  async function doAutocompleteArray(webConsoleFront) {
    info("test autocomplete for [1,2,3]");
    const response = await webConsoleFront.autocomplete("[1,2,3].");
    let {matches} = response;

    ok(!!matches.length, "There are completion results for the array");
    ok(matches.includes("length") && matches.includes("filter"),
      "Array autocomplete contains expected results");

    info("test autocomplete for '[] . '");
    matches = (await webConsoleFront.autocomplete("[] . ")).matches;
    ok(matches.length > 1);
    ok(matches.includes("length") && matches.includes("filter"),
      "Array autocomplete contains expected results");
    ok(!matches.includes("copy"), "Array autocomplete does not contain helpers");

    info("test autocomplete for '[1,2,3]['");
    matches = (await webConsoleFront.autocomplete("[1,2,3][")).matches;
    ok(matches.length > 1);
    ok(matches.includes('"length"') && matches.includes('"filter"'),
      "Array autocomplete contains expected results, surrounded by quotes");

    info("test autocomplete for '[1,2,3]['");
    matches = (await webConsoleFront.autocomplete("[1,2,3]['")).matches;
    ok(matches.length > 1);
    ok(matches.includes("'length'") && matches.includes("'filter'"),
      "Array autocomplete contains expected results, surrounded by quotes");

    info("test autocomplete for '[1,2,3][l");
    matches = (await webConsoleFront.autocomplete("[1,2,3][l")).matches;
    ok(matches.length >= 1);
    ok(matches.includes('"length"'),
      "Array autocomplete contains expected results, surrounded by quotes");

    info("test autocomplete for '[1,2,3]['l");
    matches = (await webConsoleFront.autocomplete("[1,2,3]['l")).matches;
    ok(matches.length >= 1);
    ok(matches.includes("'length'"),
      "Array autocomplete contains expected results, surrounded by quotes");
  }

  async function doAutocompleteString(webConsoleFront) {
    info(`test autocomplete for "foo".`);
    const response = await webConsoleFront.autocomplete(`"foo".`);
    let {matches} = response;

    ok(!!matches.length, "There are completion results for the string");
    ok(matches.includes("substr") && matches.includes("trim"),
      "String autocomplete contains expected results");

    info("test autocomplete for `foo`[");
    matches = (await webConsoleFront.autocomplete("`foo`[")).matches;
    ok(matches.length > 1, "autocomplete string with bracket works");
    ok(matches.includes('"substr"') && matches.includes('"trim"'),
      "String autocomplete contains expected results, surrounded by quotes");
  }

  async function doAutocompleteDotSurroundedBySpaces(webConsoleFront) {
    info("test autocomplete for 'window.foobarObject\n  .'");
    let {matches} = await webConsoleFront.autocomplete("window.foobarObject\n  .");
    is(matches.length, 7);
    checkObject(matches,
      ["foo", "foobar", "foobaz", "omg", "omgfoo", "omgstr", "strfoo"]);

    info("test autocomplete for 'window.foobarObject\n  .o'");
    matches = (await webConsoleFront.autocomplete("window.foobarObject\n  .o")).matches;
    is(matches.length, 3);
    checkObject(matches, ["omg", "omgfoo", "omgstr"]);

    info("test autocomplete for 'window.foobarObject\n  .\n  s'");
    matches = (await webConsoleFront.autocomplete("window.foobarObject\n  .\n  s")).matches;
    is(matches.length, 1);
    checkObject(matches, ["strfoo"]);

    info("test autocomplete for 'window.foobarObject\n  .  '");
    matches = (await webConsoleFront.autocomplete("window.foobarObject\n  .  ")).matches;
    is(matches.length, 7);
    checkObject(matches,
      ["foo", "foobar", "foobaz", "omg", "omgfoo", "omgstr", "strfoo"]);

    matches =
      (await webConsoleFront.autocomplete("window.foobarObject.  foo ; window.foo")).matches;
    is(matches.length, 1);
    checkObject(matches, ["foobarObject"]);
  }

  async function doAutocompleteBracketSurroundedBySpaces(webConsoleFront) {
    const wrap = (arr, quote = `"`) => arr.map(x => `${quote}${x}${quote}`);
    let matches = await getAutocompleteMatches(webConsoleFront, "window.foobarObject\n  [")
    is(matches.length, 7);
    checkObject(matches,
      wrap(["foo", "foobar", "foobaz", "omg", "omgfoo", "omgstr", "strfoo"]));

    matches = await getAutocompleteMatches(webConsoleFront, "window.foobarObject\n  ['o")
    is(matches.length, 3);
    checkObject(matches, wrap(["omg", "omgfoo", "omgstr"], "'"));

    matches = await getAutocompleteMatches(webConsoleFront, "window.foobarObject\n  [\n  s");
    is(matches.length, 1);
    checkObject(matches, [`"strfoo"`]);

    matches = await getAutocompleteMatches(webConsoleFront, "window.foobarObject\n  [  ");
    is(matches.length, 7);
    checkObject(matches,
      wrap(["foo", "foobar", "foobaz", "omg", "omgfoo", "omgstr", "strfoo"]));

    matches = await getAutocompleteMatches(webConsoleFront, "window.emojiObject  [   '");
    is(matches.length, 1);
    checkObject(matches, [`'😎'`]);
  }

  async function doAutocompleteAfterOr(webConsoleFront) {
    info("test autocomplete for 'true || foo'");
    const {matches} = await webConsoleFront.autocomplete("true || foobar");
    is(matches.length, 1, "autocomplete returns expected results");
    is(matches.join("-"), "foobarObject");
  }

  async function doInsensitiveAutocomplete(webConsoleFront) {
    info("test autocomplete for 'window.insensitiveTestCase.'");
    let {matches} = await webConsoleFront.autocomplete("window.insensitiveTestCase.");
    is(matches.join("-"), "prop-pröp-Prop-PROP-PRÖP",
      "autocomplete returns the expected items, in the expected order");

    info("test autocomplete for 'window.insensitiveTestCase.p'");
    matches = (await webConsoleFront.autocomplete("window.insensitiveTestCase.p")).matches;
    is(matches.join("-"), "prop-pröp-Prop-PROP-PRÖP",
      "autocomplete is case-insensitive when first letter is lowercased");

    info("test autocomplete for 'window.insensitiveTestCase.pRoP'");
    matches = (await webConsoleFront.autocomplete("window.insensitiveTestCase.pRoP")).matches;
    is(matches.join("-"), "prop-Prop-PROP",
      "autocomplete is case-insensitive when first letter is lowercased");

    info("test autocomplete for 'window.insensitiveTestCase.P'");
    matches = (await webConsoleFront.autocomplete("window.insensitiveTestCase.P")).matches;
    is(matches.join("-"), "Prop-PROP-PRÖP",
      "autocomplete is case-sensitive when first letter is uppercased");

    info("test autocomplete for 'window.insensitiveTestCase.PROP'");
    matches = (await webConsoleFront.autocomplete("window.insensitiveTestCase.PROP")).matches;
    is(matches.join("-"), "PROP",
      "autocomplete is case-sensitive when first letter is uppercased");

    info("test autocomplete for 'window.insensitiveTestCase.prö'");
    matches = (await webConsoleFront.autocomplete("window.insensitiveTestCase.prö")).matches;
    is(matches.join("-"), "pröp-PRÖP", "expected result with lowercase diacritic");

    info("test autocomplete for 'window.insensitiveTestCase.PRÖ'");
    matches = (await webConsoleFront.autocomplete("window.insensitiveTestCase.PRÖ")).matches;
    is(matches.join("-"), "PRÖP", "expected result with uppercase diacritic");
  }

  async function doElementAccessAutocomplete(webConsoleFront) {
    info("test autocomplete for 'window.elementAccessTestCase['");
    let res = (await webConsoleFront.autocomplete("window.elementAccessTestCase["));
    is(
      res.matches.join("|"),
      `"bar"|"da'ta'test"|"da\\"ta\\"test"|"da\`ta\`test"|"data-test"|"dataTest"|"BAR"`,
      "autocomplete returns the expected items, wrapped in quotes");
    is(res.isElementAccess, true);

    info("test autocomplete for 'window.elementAccessTestCase[d'");
    res = await webConsoleFront.autocomplete("window.elementAccessTestCase[d");
    is(
      res.matches.join("|"),
      `"da'ta'test"|"da\\"ta\\"test"|"da\`ta\`test"|"data-test"|"dataTest"`,
      "autocomplete returns the expected filtered items");
    is(res.isElementAccess, true);

    info(`test autocomplete for 'window.elementAccessTestCase["d'`);
    res = await webConsoleFront.autocomplete(`window.elementAccessTestCase["d`);
    is(
      res.matches.join("|"),
      `"da'ta'test"|"da\\"ta\\"test"|"da\`ta\`test"|"data-test"|"dataTest"`,
      "autocomplete returns the expected items, wrapped in quotes");
    is(res.isElementAccess, true);

    info(`test autocomplete for 'window.elementAccessTestCase["data-`);
    res = await webConsoleFront.autocomplete(`window.elementAccessTestCase["data-`);
    is(res.matches.join("|"), `"data-test"`,
      "autocomplete returns the expected items, wrapped in quotes");
    is(res.isElementAccess, true);

    info(`test autocomplete for 'window.elementAccessTestCase['d'`);
    res = await webConsoleFront.autocomplete(`window.elementAccessTestCase['d`);
    is(
      res.matches.join("|"),
      `'da"ta"test'|'da\\'ta\\'test'|'da\`ta\`test'|'data-test'|'dataTest'`,
      "autocomplete returns the expected items, wrapped in the same quotes the user entered");
    is(res.isElementAccess, true);

    info("test autocomplete for 'window.elementAccessTestCase[`d'");
    res = await webConsoleFront.autocomplete("window.elementAccessTestCase[`d");
    is(
      res.matches.join("|"),
      "`da'ta'test`|`da\"ta\"test`|`da\\`ta\\`test`|`data-test`|`dataTest`",
      "autocomplete returns the expected items, wrapped in the same quotes the user entered");
    is(res.isElementAccess, true);

    info(`test autocomplete for '['`);
    res = await webConsoleFront.autocomplete(`[`);
    is(res.matches, null, "it does not return anything");

    info(`test autocomplete for '[1,2,3'`);
    res = await webConsoleFront.autocomplete(`[1,2,3`);
    is(res.matches, null, "it does not return anything");

    info(`test autocomplete for '["'`);
    res = await webConsoleFront.autocomplete(`["`);
    is(res.matches, null, "it does not return anything");

    info(`test autocomplete for '[;'`);
    res = await webConsoleFront.autocomplete(`[;`);
    is(res.matches, null, "it does not return anything");
  }

  async function doAutocompleteCommands(webConsoleFront) {
    info("test autocomplete for 'c'");
    let matches = (await webConsoleFront.autocomplete("c")).matches;
    ok(matches.includes("clear"), "commands are returned");

    info("test autocomplete for 's'");
    matches = (await webConsoleFront.autocomplete("s")).matches;
    is(matches.includes("screenshot"), false, "screenshot is not returned");

    info("test autocomplete for ':s'");
    matches = (await webConsoleFront.autocomplete(":s")).matches;
    is(matches.includes(":screenshot"), true, "screenshot is returned");

    info("test autocomplete for 'window.c'");
    matches = (await webConsoleFront.autocomplete("window.c")).matches;
    ok(!matches.includes("clear"), "commands are not returned");

    info("test autocomplete for 'window[c'");
    matches = (await webConsoleFront.autocomplete("window[c")).matches;
    ok(!matches.includes("clear"), "commands are not returned");

    info(`test autocomplete for 'window["c'`);
    matches = (await webConsoleFront.autocomplete(`window["c`)).matches;
    ok(!matches.includes("clear"), "commands are not returned");

    info(`test autocomplete for 'window["c'`);
    matches = (await webConsoleFront.autocomplete(`window["c`)).matches;
    ok(!matches.includes("clear"), "commands are not returned");

    info(`test autocomplete for 'window[";c'`);
    matches = (await webConsoleFront.autocomplete(`window[";c`)).matches;
    ok(!matches.includes("clear"), "commands are not returned");

    info(`test autocomplete for 'window[;c'`);
    matches = (await webConsoleFront.autocomplete(`window[;c`)).matches;
    ok(!matches.includes("clear"), "commands are not returned");
  }

  async function doAutocompleteAfterOperator(webConsoleFront) {
    const inputs = [
      "true;foob",
      "true,foob",
      "({key:foob",
      "a=foob",
      "if(a<foob",
      "if(a>foob",
      "1+foob",
      "1-foob",
      "++foob",
      "--foob",
      "1*foob",
      "2**foob",
      "1/foob",
      "1%foob",
      "1|foob",
      "1&foob",
      "1^foob",
      "~foob",
      "1<<foob",
      "1>>foob",
      "1>>>foob",
      "false||foob",
      "false&&foob",
      "x=true?foob",
      "x=false?1:foob",
      "!foob",
      "false??foob",
    ];

    for (const input of inputs) {
      info(`test autocomplete for "${input}"`);
      const matches = (await webConsoleFront.autocomplete(input)).matches;
      ok(matches.includes("foobarObject"), `Expected autocomplete result for ${input}"`);
    }
  }

  async function dontAutocompleteAfterDeclaration(webConsoleFront) {
    info("test autocomplete for 'var win'");
    let matches = (await webConsoleFront.autocomplete("var win")).matches;
    is(matches, null, "no autocompletion on a var declaration");

    info("test autocomplete for 'const win'");
    matches = (await webConsoleFront.autocomplete("const win")).matches;
    is(matches, null, "no autocompletion on a const declaration");

    info("test autocomplete for 'let win'");
    matches = (await webConsoleFront.autocomplete("let win")).matches;
    is(matches, null, "no autocompletion on a let declaration");

    info("test autocomplete for 'function win'");
    matches = (await webConsoleFront.autocomplete("function win")).matches;
    is(matches, null, "no autocompletion on a function declaration");

    info("test autocomplete for 'class win'");
    matches = (await webConsoleFront.autocomplete("class win")).matches;
    is(matches, null, "no autocompletion on a class declaration");

    info("test autocomplete for 'const win = win'");
    matches = (await webConsoleFront.autocomplete("const win = win")).matches;
    ok(matches.includes("window"), "autocompletion still happens after the `=` sign");

    info("test autocomplete for 'in var'");
    matches = (await webConsoleFront.autocomplete("in var")).matches;
    ok(matches.includes("varify"),
      "autocompletion still happens with a property name starting with 'var'");
}

async function doKeywordsAutocomplete(webConsoleFront) {
  info("test autocomplete for 'func'");
  let matches = (await webConsoleFront.autocomplete("func")).matches;
  ok(matches.includes("function"), "keywords are returned");

  info("test autocomplete for ':func'");
  matches = (await webConsoleFront.autocomplete(":func")).matches;
  is(!matches.includes("function"), true,
    "'function' is not returned when prefixed with ':'");

  info("test autocomplete for 'window.func'");
  matches = (await webConsoleFront.autocomplete("window.func")).matches;
  ok(!matches.includes("function"),
    "'function' is not returned when doing a property access");

  info("test autocomplete for 'window[func'");
  matches = (await webConsoleFront.autocomplete("window[func")).matches;
  ok(!matches.includes("function"),
    "'function' is not returned when doing an element access");
  }

  async function dontAutocomplete(webConsoleFront) {
    const inputs = [
      "",
      "       ",
      "\n",
      "\n  ",
      "  \n  ",
      "  \n",
      "true;",
      "true,",
      "({key:",
      "a=",
      "if(a<",
      "if(a>",
      "1+",
      "1-",
      "++",
      "--",
      "1*",
      "2**",
      "1/",
      "1%",
      "1|",
      "1&",
      "1^",
      "~",
      "1<<",
      "1>>",
      "1>>>",
      "false||",
      "false&&",
      "x=true?",
      "x=false?1:",
      "!",
      ...RESERVED_JS_KEYWORDS.map(keyword => `${keyword} `),
      ...RESERVED_JS_KEYWORDS.map(keyword => `${keyword}  `),
    ];
    for (const input of inputs) {
      info(`test autocomplete for "${input}"`);
      const matches = (await webConsoleFront.autocomplete(input)).matches;
      is(matches, null, `No autocomplete result for ${input}"`);
    }
  }

  async function getAutocompleteMatches(webConsoleFront, input) {
    info(`test autocomplete for "${input}"`);
    const res = (await webConsoleFront.autocomplete(input));
    return res.matches;
  }

  async function evaluateExpression(consoleFront, expression) {
    const onEvaluationResult = consoleFront.once("evaluationResult");
    await consoleFront.evaluateJSAsync({ text: expression });
    return onEvaluationResult;
  }

</script>
</body>
</html>