From 8ebdf685a64e2a63c48aa5b7674c0b05d98bbc04 Mon Sep 17 00:00:00 2001 From: Linus Groh Date: Sat, 4 Jul 2020 18:29:37 +0100 Subject: [PATCH] LibJS: Split isNaN tests into multiple sections --- Libraries/LibJS/Tests/builtins/functions/isNaN.js | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/Libraries/LibJS/Tests/builtins/functions/isNaN.js b/Libraries/LibJS/Tests/builtins/functions/isNaN.js index 188050ef6e..bb0d418bb5 100644 --- a/Libraries/LibJS/Tests/builtins/functions/isNaN.js +++ b/Libraries/LibJS/Tests/builtins/functions/isNaN.js @@ -1,6 +1,8 @@ -test("basic functionality", () => { +test("length is 1", () => { expect(isNaN).toHaveLength(1); +}); +test("arguments that evaluate to false", () => { expect(isNaN(0)).toBeFalse(); expect(isNaN(42)).toBeFalse(); expect(isNaN("")).toBeFalse(); @@ -12,7 +14,9 @@ test("basic functionality", () => { expect(isNaN([])).toBeFalse(); expect(isNaN(Infinity)).toBeFalse(); expect(isNaN(-Infinity)).toBeFalse(); +}); +test("arguments that evaluate to true", () => { expect(isNaN()).toBeTrue(); expect(isNaN(NaN)).toBeTrue(); expect(isNaN(undefined)).toBeTrue();