fix bug in polyfill

tc39 · Apr 9, 2024 · 29659b9 · 29659b9
1 parent f4286d0
commit 29659b9
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Showing 2 changed files with 4 additions and 1 deletion.
diff --git a/polyfill/polyfill.mjs b/polyfill/polyfill.mjs
@@ -55,7 +55,7 @@ export function sum(iterable) {
     }
     if (!Object.is(value, -0)) {
       if (!Number.isFinite(value)) {
-        return drainNonFiniteValue(val);
+        return drainNonFiniteValue(value);
       }
       partials.push(value);
       break;

diff --git a/polyfill/test-polyfill.mjs b/polyfill/test-polyfill.mjs
@@ -43,6 +43,9 @@ test('special cases', t => {
   assert.strictEqual(mathSum([-0, -0, -0, 0]), 0);
   assert.strictEqual(mathSum([1, Infinity, -1e308]), Infinity);
   assert.strictEqual(mathSum([1, Infinity, -1e308, -Infinity]), NaN);
+  assert.strictEqual(mathSum([Infinity]), Infinity);
+  assert.strictEqual(mathSum([-Infinity]), -Infinity);
+  assert.strictEqual(mathSum([-Infinity, Infinity]), NaN);
 });
 
 test('1, 2 element lists', t => {