Add test cases for ArrayTail type (#999)

sindresorhus · Dec 5, 2024 · d5a7cae · d5a7cae
1 parent 9869aa3
commit d5a7cae
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/test-d/array-tail.ts b/test-d/array-tail.ts
@@ -24,3 +24,9 @@ expectType<[undefined, 3]>(getArrayTail([1, undefined, 3] as const));
 // Complex mixed case
 type ComplexArray = [string, boolean, number?, string?];
 expectType<[boolean, number?, string?]>(getArrayTail(['test', false] as ComplexArray));
+
+// All optional elements
+expectType<['b'?]>([] as ArrayTail<['a'?, 'b'?]>);
+
+// Union of tuples
+expectType<[] | ['b']>([] as ArrayTail<[] | ['a', 'b']>);