assert: prefer reference comparison over string comparison

Pointer comparison takes constant time and string comparison takes linear time unless there is some string interning going on, so this might be a little bit faster. Signed-off-by: Darshan Sen <[email protected]> PR-URL: #41015 Reviewed-By: Ruben Bridgewater <[email protected]> Reviewed-By: Tobias Nießen <[email protected]> Reviewed-By: Luigi Pinca <[email protected]> Reviewed-By: Benjamin Gruenbaum <[email protected]> Reviewed-By: James M Snell <[email protected]> Reviewed-By: Zijian Liu <[email protected]>
nodejs · Dec 17, 2021 · 99fb6d4 · 99fb6d4
1 parent d8a2125
commit 99fb6d4
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/lib/assert.js b/lib/assert.js
@@ -831,7 +831,7 @@ function expectsError(stackStartFn, actual, error, message) {
       details += ` (${error.name})`;
     }
     details += message ? `: ${message}` : '.';
-    const fnType = stackStartFn.name === 'rejects' ? 'rejection' : 'exception';
+    const fnType = stackStartFn === assert.rejects ? 'rejection' : 'exception';
     innerFail({
       actual: undefined,
       expected: error,
@@ -878,7 +878,7 @@ function expectsNoError(stackStartFn, actual, error, message) {
 
   if (!error || hasMatchingError(actual, error)) {
     const details = message ? `: ${message}` : '.';
-    const fnType = stackStartFn.name === 'doesNotReject' ?
+    const fnType = stackStartFn === assert.doesNotReject ?
       'rejection' : 'exception';
     innerFail({
       actual,
@@ -998,7 +998,7 @@ function internalMatch(string, regexp, message, fn) {
       'regexp', 'RegExp', regexp
     );
   }
-  const match = fn.name === 'match';
+  const match = fn === assert.match;
   if (typeof string !== 'string' ||
       RegExpPrototypeTest(regexp, string) !== match) {
     if (message instanceof Error) {