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27 lines
696 B
27 lines
696 B
'use strict';
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var common = require('../common');
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var assert = require('assert');
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var spawn = require('child_process').spawn;
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var args = ['--harmony', '--harmony_scoping', '--use-strict', '-i'];
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var child = spawn(process.execPath, args);
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var input = '(function(){const y=1;y=2})()\n';
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var expectOut = /^> TypeError: Assignment to constant variable.\n/;
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child.stderr.setEncoding('utf8');
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child.stderr.on('data', function(c) {
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throw new Error('child.stderr be silent');
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});
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child.stdout.setEncoding('utf8');
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var out = '';
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child.stdout.on('data', function(c) {
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out += c;
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});
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child.stdout.on('end', function() {
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assert(expectOut.test(out));
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console.log('ok');
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});
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child.stdin.end(input);
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