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'use strict';
const common = require('../common');
const assert = require('assert');
const execFile = require('child_process').execFile;
const warnmod = require.resolve(`${common.fixturesDir}/warnings.js`);
const node = process.execPath;
const normal = [warnmod];
const noWarn = ['--no-warnings', warnmod];
const traceWarn = ['--trace-warnings', warnmod];
const warningMessage = /^\(.+\)\sWarning: a bad practice warning/;
execFile(node, normal, function(er, stdout, stderr) {
// Show Process Warnings
assert.strictEqual(er, null);
assert.strictEqual(stdout, '');
assert(warningMessage.test(stderr));
});
execFile(node, noWarn, function(er, stdout, stderr) {
// Hide Process Warnings
assert.strictEqual(er, null);
assert.strictEqual(stdout, '');
assert(!warningMessage.test(stderr));
});
execFile(node, traceWarn, function(er, stdout, stderr) {
// Show Warning Trace
assert.strictEqual(er, null);
assert.strictEqual(stdout, '');
assert(warningMessage.test(stderr));
assert(/at Object\.<anonymous>\s\(.+warnings\.js:3:9\)/.test(stderr));
});
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