X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=tests%2Futils.test.mjs;h=ac544f89c5a2f504a6c768c212461e30a8467ee9;hb=4511441a7858ae4871037148b3c9505ac422f4f2;hp=c048141bf2ffcd7aab57de5d9b7aaa178d630137;hpb=b2fd3f4a217ac09110da00b3b65dcdd36de4bf74;p=poolifier.git

diff --git a/tests/utils.test.mjs b/tests/utils.test.mjs
index c048141b..ac544f89 100644
--- a/tests/utils.test.mjs
+++ b/tests/utils.test.mjs
@@ -19,6 +19,7 @@ import {
   max,
   median,
   min,
+  once,
   round,
   secureRandom,
   sleep
@@ -237,4 +238,19 @@ describe('Utils test suite', () => {
     expect(max(2, 1)).toBe(2)
     expect(max(1, 1)).toBe(1)
   })
+
+  it('Verify once()', () => {
+    let called = 0
+    const fn = () => ++called
+    const onceFn = once(fn, this)
+    const result1 = onceFn()
+    expect(called).toBe(1)
+    expect(result1).toBe(1)
+    const result2 = onceFn()
+    expect(called).toBe(1)
+    expect(result2).toBe(1)
+    const result3 = onceFn()
+    expect(called).toBe(1)
+    expect(result3).toBe(1)
+  })
 })