[bun.js] Implement `setTimeout`, `setInterval`, `clearTimeout`, `clearInterval`

1 files changed, 35 insertions, 0 deletions

diff --git a/integration/bunjs-only-snippets/setInterval.test.js b/integration/bunjs-only-snippets/setInterval.test.js
new file mode 100644
index 000000000..f633998cd
--- /dev/null
+++ b/integration/bunjs-only-snippets/setInterval.test.js
@@ -0,0 +1,35 @@
+import { it, expect } from "bun:test";
+
+it("setInterval", async () => {
+  var counter = 0;
+  var start;
+  const result = await new Promise((resolve, reject) => {
+    start = performance.now();
+
+    var id = setInterval(() => {
+      counter++;
+      if (counter === 10) {
+        resolve(counter);
+        clearInterval(id);
+      }
+    }, 1);
+  });
+
+  expect(result).toBe(10);
+  expect(performance.now() - start >= 10).toBe(true);
+});
+
+it("clearInterval", async () => {
+  var called = false;
+  const id = setInterval(() => {
+    called = true;
+    expect(false).toBe(true);
+  }, 1);
+  clearInterval(id);
+  await new Promise((resolve, reject) => {
+    setInterval(() => {
+      resolve();
+    }, 10);
+  });
+  expect(called).toBe(false);
+});