Create performance-entries.test.ts

oven-sh · Jan 1, 2025 · 4042d63 · 4042d63
1 parent cc1de2b
commit 4042d63
Showing 1 changed file with 17 additions and 0 deletions.
diff --git a/test/js/web/timers/performance-entries.test.ts b/test/js/web/timers/performance-entries.test.ts
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+import { expect, test } from "bun:test";
+import { estimateShallowMemoryUsageOf } from "bun:jsc";
+
+test("memory usage of Performance", () => {
+  const initial = estimateShallowMemoryUsageOf(performance);
+  for (let i = 0; i < 1024; i++) {
+    performance.mark(`mark-${i}`);
+  }
+  const final = estimateShallowMemoryUsageOf(performance);
+
+  for (let i = 1; i < 1024; i++) {
+    performance.measure(`measure-${i}`, `mark-${i}`, `mark-${i - 1}`);
+  }
+  const final2 = estimateShallowMemoryUsageOf(performance);
+  expect(final2).toBeGreaterThan(final);
+  expect(final).toBeGreaterThan(initial);
+});