diff --git a/type-plus/ts/object/any_record.spec.ts b/type-plus/ts/object/any_record.spec.ts
index 0f849f1ae6..3e8c2442c8 100644
--- a/type-plus/ts/object/any_record.spec.ts
+++ b/type-plus/ts/object/any_record.spec.ts
@@ -12,3 +12,13 @@ it('use as type criteria', () => {
 	// @ts-expect-error
 	testType.equal<X<never>, never>(true)
 })
+
+it('shows how AnyRecord behaves as criteria against primitive types', () => {
+	testType.equal<Boolean extends AnyRecord ? true : false, true>(true)
+	testType.equal<Number extends AnyRecord ? true : false, true>(true)
+	testType.equal<String extends AnyRecord ? true : false, true>(true)
+	testType.equal<Function extends AnyRecord ? true : false, true>(true)
+	testType.equal<Object extends AnyRecord ? true : false, true>(true)
+	testType.equal<Symbol extends AnyRecord ? true : false, true>(true)
+	testType.equal<BigInt extends AnyRecord ? true : false, true>(true)
+})