test: use regex error checks in test-util-format

superwoods · addaleax · commit 784102f2d1d1 · 2017-07-18T19:59:31.000+02:00
Replace constructor with regular expression for second argument to assert.throws() in test-util-format. PR-URL: #14299 Reviewed-By: Rich Trott <rtrott@gmail.com> Reviewed-By: Gibson Fahnestock <gibfahn@gmail.com> Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Tobias Nießen <tniessen@tnie.de> Reviewed-By: Refael Ackermann <refack@gmail.com> Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
diff --git a/test/parallel/test-util-format.js b/test/parallel/test-util-format.js
@@ -46,7 +46,7 @@ assert.strictEqual(util.format('%s', symbol), 'Symbol(foo)');
 assert.strictEqual(util.format('%j', symbol), 'undefined');
 assert.throws(function() {
   util.format('%d', symbol);
-}, TypeError);
+}, /^TypeError: Cannot convert a Symbol value to a number$/);
 
 // Number format specifier
 assert.strictEqual(util.format('%d'), '%d');
