1 files changed, 13 insertions, 0 deletions
diff --git a/Userland/Libraries/LibJS/Tests/builtins/Math/Math.exp.js b/Userland/Libraries/LibJS/Tests/builtins/Math/Math.exp.js
new file mode 100644
index 0000000000..d7111be916
--- /dev/null
+++ b/Userland/Libraries/LibJS/Tests/builtins/Math/Math.exp.js
@@ -0,0 +1,13 @@
+test("basic functionality", () => {
+    expect(Math.exp).toHaveLength(1);
+
+    expect(Math.exp(0)).toBe(1);
+    expect(Math.exp(-2)).toBeCloseTo(0.135335);
+    expect(Math.exp(-1)).toBeCloseTo(0.367879);
+    expect(Math.exp(1)).toBeCloseTo(2.718281);
+    expect(Math.exp(2)).toBeCloseTo(7.389056);
+
+    expect(Math.exp()).toBeNaN();
+    expect(Math.exp(undefined)).toBeNaN();
+    expect(Math.exp("foo")).toBeNaN();
+});