tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
Log | Files | Refs | README | LICENSE

await-expr-resolution.js (1168B)

      1 // |reftest| module async
      2 // Copyright (C) 2019 Leo Balter. All rights reserved.
      3 // This code is governed by the BSD license found in the LICENSE file.
      4 
      5 /*---
      6 description: >
      7  AwaitExpression Resolutions
      8 info: |
      9  ModuleItem:
     10    StatementListItem[~Yield, +Await, ~Return]
     11 
     12  ...
     13 
     14  UnaryExpression[Yield, Await]
     15    void UnaryExpression[?Yield, ?Await]
     16    [+Await]AwaitExpression[?Yield]
     17 
     18  AwaitExpression[Yield]:
     19    await UnaryExpression[?Yield, +Await]
     20 esid: prod-AwaitExpression
     21 flags: [module, async]
     22 features: [top-level-await]
     23 ---*/
     24 
     25 var x;
     26 
     27 x = await 42;
     28 assert.sameValue(x, 42, 'number');
     29 
     30 x = await '';
     31 assert.sameValue(x, '', 'string');
     32 
     33 var s = Symbol();
     34 x = await s;
     35 assert.sameValue(x, s, 'symbol');
     36 
     37 x = await false;
     38 assert.sameValue(x, false, 'false');
     39 
     40 x = await true;
     41 assert.sameValue(x, true, 'true');
     42 
     43 x = await NaN;
     44 assert.sameValue(x, NaN, 'NaN');
     45 
     46 x = await null;
     47 assert.sameValue(x, null, 'null');
     48 
     49 x = await undefined;
     50 assert.sameValue(x, undefined, 'undefined');
     51 
     52 var obj = {};
     53 x = await obj;
     54 assert.sameValue(x, obj, 'object');
     55 
     56 x = await Promise.resolve(1).then(v => v * 2).then(v => v * 3);
     57 assert.sameValue(x, 6, 'promise');
     58 
     59 $DONE();