Assert on expected error code, even when a number

Author: qlonik

lib/assert.js

@@ -215,7 +215,7 @@ function assertExpectations({assertion, actual, expectations, message, prefix, s
 });
 }
 
-if (typeof expectations.code === 'string' && actual.code !== expectations.code) {
+if (actual.code !== expectations.code) {
 throw new AssertionError({
 assertion,
 message,

test/assert.js

@@ -858,6 +858,14 @@ test('.throws()', gather(t => {
 throw err;
 }, {code: 'ERR_TEST'});
 });
+
+fails(t, () => {
+assertions.throws(() => {
+const err = new TypeError();
+err.code = 1;
+throw err;
+}, {code: 42});
+});
 }));
 
 test('.throws() returns the thrown error', t => {