From cb259e7147b06dc20e0950c072e7ef2d5af2a12b Mon Sep 17 00:00:00 2001
From: Erik Dunteman <erik@Eriks-MBP.attlocal.net>
Date: Fri, 5 Jul 2024 18:30:30 -0700
Subject: [PATCH] add TS perf_hooks tests

---
 test/js/node/perf_hooks/perf_hooks.test.ts | 36 +++++++++++++++++++++-
 1 file changed, 35 insertions(+), 1 deletion(-)

diff --git a/test/js/node/perf_hooks/perf_hooks.test.ts b/test/js/node/perf_hooks/perf_hooks.test.ts
index 61a75d49b9..57a869c731 100644
--- a/test/js/node/perf_hooks/perf_hooks.test.ts
+++ b/test/js/node/perf_hooks/perf_hooks.test.ts
@@ -3,7 +3,6 @@ import { test, expect } from "bun:test";
 
 test("stubs", () => {
   expect(() => perf.monitorEventLoopDelay()).toThrow();
-  expect(() => perf.createHistogram()).toThrow();
   expect(perf.performance.nodeTiming).toBeObject();
 
   expect(perf.performance.now()).toBeNumber();
@@ -21,4 +20,39 @@ test("doesn't throw", () => {
   expect(() => performance.getEntriesByType("measure")).not.toThrow();
   expect(() => performance.now()).not.toThrow();
   expect(() => performance.timeOrigin).not.toThrow();
+  expect(() => perf.createHistogram()).not.toThrow();
+  expect(() => performance.timerify(() => {})).not.toThrow();
+  expect(() => performance.timerify(() => {}, { histogram: perf.createHistogram() })).not.toThrow();
+});
+
+test("timerify with histogram", () => {
+  const histogram = perf.createHistogram({ auto: true });
+  const fn = performance.timerify(() => {}, { histogram: histogram });
+  expect(histogram.max).toBe(0); // should default to 0
+  fn();
+  expect(histogram.toJSON()).toBeObject();
+  expect(histogram.min).toBeGreaterThan(0);
+  expect(histogram.max).toBe(histogram.min); // one entry
+  expect(histogram.percentiles.size).toBe(2); // 0th and 100th
+  fn();
+  expect(histogram.min).toBeGreaterThan(0);
+  expect(histogram.max).toBeGreaterThan(histogram.min);
+  expect(histogram.percentiles.size).toBeGreaterThan(2);
+});
+
+test("nested timerify", () => {
+  const zeroth = (a, b = 1) => {};
+  const first = performance.timerify(zeroth);
+  const second = performance.timerify(first);
+  expect(first).not.toBe(second);
+  expect(second).not.toBe(first);
+  expect(first.name).toBe("timerified zeroth");
+  expect(second.name).toBe("timerified timerified zeroth");
+
+  // assert.notStrictEqual(n, o);
+  // assert.notStrictEqual(n, p);
+  // assert.notStrictEqual(o, p);
+  // assert.strictEqual(n.length, m.length);
+  // assert.strictEqual(n.name, "timerified m");
+  // assert.strictEqual(p.name, "timerified timerified m");
 });