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d0ab29094e
%_IsSmi was removed. %IsSmi can be used instead.
Refs: 863a2d6c24
PR-URL: https://github.com/nodejs/node/pull/39469
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
19 lines
747 B
JavaScript
19 lines
747 B
JavaScript
'use strict';
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require('../common');
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const assert = require('assert');
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const v8 = require('v8');
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const vm = require('vm');
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// Note: changing V8 flags after an isolate started is not guaranteed to work.
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// Specifically here, V8 may cache compiled scripts between the flip of the
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// flag. We use a different script each time to work around this problem.
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v8.setFlagsFromString('--allow_natives_syntax');
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assert(eval('%IsSmi(42)'));
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assert(vm.runInThisContext('%IsSmi(43)'));
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v8.setFlagsFromString('--noallow_natives_syntax');
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assert.throws(function() { eval('%IsSmi(44)'); },
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/^SyntaxError: Unexpected token '%'$/);
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assert.throws(function() { vm.runInThisContext('%IsSmi(45)'); },
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/^SyntaxError: Unexpected token '%'$/);
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