2 files changed, 9 insertions, 4 deletions
diff --git a/test/parallel/test-assert-deep.js b/test/parallel/test-assert-deep.js
index 9d30f466f3..f2a8349219 100644
--- a/test/parallel/test-assert-deep.js
+++ b/test/parallel/test-assert-deep.js
@@ -590,10 +590,9 @@ assertNotDeepOrStrict(
 }
 
 // Handle NaN
-assert.notDeepEqual(NaN, NaN);
-assert.deepStrictEqual(NaN, NaN);
-assert.deepStrictEqual({ a: NaN }, { a: NaN });
-assert.deepStrictEqual([ 1, 2, NaN, 4 ], [ 1, 2, NaN, 4 ]);
+assertDeepAndStrictEqual(NaN, NaN);
+assertDeepAndStrictEqual({ a: NaN }, { a: NaN });
+assertDeepAndStrictEqual([ 1, 2, NaN, 4 ], [ 1, 2, NaN, 4 ]);
 
 // Handle boxed primitives
 {
diff --git a/test/parallel/test-assert.js b/test/parallel/test-assert.js
index 48b44ce29b..3db63a816a 100644
--- a/test/parallel/test-assert.js
+++ b/test/parallel/test-assert.js
@@ -501,6 +501,12 @@ assert.throws(
   }
 );
 
+a.equal(NaN, NaN);
+a.throws(
+  () => a.notEqual(NaN, NaN),
+  a.AssertionError
+);
+
 // Test strict assert.
 {
   const a = require('assert');