nodejs
diff --git a/Collapse file
‎lib/assert.js‎
Copy file name to clipboardExpand all lines: lib/assert.js
+4-1Lines changed: 4 additions & 1 deletion b/Collapse file
‎lib/assert.js‎
Copy file name to clipboardExpand all lines: lib/assert.js
+4-1Lines changed: 4 additions & 1 deletion
diff --git a/Collapse file
‎test/parallel/test-assert-async.js‎
Copy file name to clipboardExpand all lines: test/parallel/test-assert-async.js
+14-1Lines changed: 14 additions & 1 deletion b/Collapse file
‎test/parallel/test-assert-async.js‎
Copy file name to clipboardExpand all lines: test/parallel/test-assert-async.js
+14-1Lines changed: 14 additions & 1 deletion
@@ -722,8 +722,11 @@ async function waitForActual(block) {
   if (typeof block !== 'function') {
     throw new errors.ERR_INVALID_ARG_TYPE('block', 'Function', block);
   }
+
+  // Return a rejected promise if `block` throws synchronously.
+  const resultPromise = block();
   try {
-    await block();
+    await resultPromise;
   } catch (e) {
     return e;
   }
 
@@ -13,7 +13,7 @@ common.crashOnUnhandledRejection();
 
 (async () => {
   await assert.rejects(
-    () => assert.fail(),
+    async () => assert.fail('Failed'),
     common.expectsError({
       code: 'ERR_ASSERTION',
       type: assert.AssertionError,
@@ -57,4 +57,17 @@ common.crashOnUnhandledRejection();
       }
     );
   }
+
+  {
+    const THROWN_ERROR = new Error();
+
+    await assert.rejects(() => {
+      throw THROWN_ERROR;
+    }).then(common.mustNotCall())
+      .catch(
+        common.mustCall((err) => {
+          assert.strictEqual(err, THROWN_ERROR);
+        })
+      );
+  }
 })().then(common.mustCall());
Original file line number	Diff line number	Diff line change
`@@ -722,8 +722,11 @@ async function waitForActual(block) {`
`722`	`722`	`if (typeof block !== 'function') {`
`723`	`723`	`throw new errors.ERR_INVALID_ARG_TYPE('block', 'Function', block);`
`724`	`724`	`}`
	`725`	`+`
	`726`	+ // Return a rejected promise if `block` throws synchronously.
	`727`	`+ const resultPromise = block();`
`725`	`728`	`try {`
`726`		`- await block();`
	`729`	`+ await resultPromise;`
`727`	`730`	`} catch (e) {`
`728`	`731`	`return e;`
`729`	`732`	`}`