1 files changed, 33 insertions, 0 deletions
diff --git a/test/sequential/test-process-warnings.js b/test/sequential/test-process-warnings.js
new file mode 100644
index 0000000000..75efd53504
--- /dev/null
+++ b/test/sequential/test-process-warnings.js
@@ -0,0 +1,33 @@
+'use strict';
+
+require('../common');
+const assert = require('assert');
+const execFile = require('child_process').execFile;
+const warnmod = require.resolve('../fixtures/warnings.js');
+const node = process.execPath;
+
+const normal = [warnmod];
+const noWarn = ['--no-warnings', warnmod];
+const traceWarn = ['--trace-warnings', warnmod];
+
+execFile(node, normal, function(er, stdout, stderr) {
+  // Show Process Warnings
+  assert.equal(er, null);
+  assert.equal(stdout, '');
+  assert(/^\(.+\)\sWarning: a bad practice warning/.test(stderr));
+});
+
+execFile(node, noWarn, function(er, stdout, stderr) {
+  // Hide Process Warnings
+  assert.equal(er, null);
+  assert.equal(stdout, '');
+  assert(!/^\(.+\)\sWarning: a bad practice warning/.test(stderr));
+});
+
+execFile(node, traceWarn, function(er, stdout, stderr) {
+  // Show Warning Trace
+  assert.equal(er, null);
+  assert.equal(stdout, '');
+  assert(/^\(.+\)\sWarning: a bad practice warning/.test(stderr));
+  assert(/at Object\.\<anonymous\>\s\(.+warnings.js:3:9\)/.test(stderr));
+});