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// |reftest| shell-option(--enable-top-level-await) skip-if(!xulRuntime.shell) module async -- requires shell-options
// Copyright (C) 2019 Leo Balter. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: >
Evaluate Await expression for IfStatement
info: |
ModuleItem:
StatementListItem[~Yield, +Await, ~Return]
...
UnaryExpression[Yield, Await]
[+Await]AwaitExpression[?Yield]
AwaitExpression[Yield]:
await UnaryExpression[?Yield, +Await]
esid: prod-AwaitExpression
flags: [module, async]
features: [top-level-await]
---*/
var values = [];
var p = Promise.resolve().then(() => {
// Replaces p!
p = Promise.resolve().then(() => {
p = Promise.resolve().then(() => {
values.push(3);
return false;
});
values.push(2);
return true;
})
values.push(1);
return true;
});
while (await p) {}
assert.sameValue(values.length, 3);
assert.sameValue(values[0], 1);
assert.sameValue(values[1], 2);
assert.sameValue(values[2], 3);
$DONE();
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