1 files changed, 46 insertions, 0 deletions
diff --git a/testing/web-platform/tests/requestidlecallback/callback-multiple-calls.html b/testing/web-platform/tests/requestidlecallback/callback-multiple-calls.html
new file mode 100644
index 0000000000..7bb524beb4
--- /dev/null
+++ b/testing/web-platform/tests/requestidlecallback/callback-multiple-calls.html
@@ -0,0 +1,46 @@
+<!doctype html>
+<meta charset=utf-8>
+<title>multiple calls to requestIdleCallback</title>
+<script src=/resources/testharness.js></script>
+<script src=/resources/testharnessreport.js></script>
+<div id="log"></div>
+<script>
+  let option = {timeout: 50};
+
+  async_test(function (t) {
+    assert_false(document.hidden, "document.hidden must exist and be false to run this test properly");
+    var counter = 0;
+    function f(c) {
+      assert_equals(counter, c);
+      if (counter === 49) {
+        t.done();
+      }
+
+      ++counter;
+    }
+    for (var i = 0; i < 100; ++i) {
+      let j = i;
+      window.requestIdleCallback(t.step_func(function () { f(j) }), option);
+    }
+  }, "requestIdleCallback callbacks should be invoked in order (called iteratively)");
+
+  async_test(function (t) {
+    assert_false(document.hidden, "document.hidden must exist and be false to run this test properly");
+    var counter = 0;
+
+    function f(c) {
+      assert_equals(counter, c);
+      if (counter === 49) {
+        t.done();
+      }
+
+      ++counter;
+      window.requestIdleCallback(t.step_func(function () { f(c + 1) }), option);
+    }
+
+    window.requestIdleCallback(t.step_func(function () { f(0) }), option);
+  }, "requestIdleCallback callbacks should be invoked in order (called recursively)");
+
+  let generateIdlePeriods = _ => requestAnimationFrame(generateIdlePeriods);
+  generateIdlePeriods();
+</script>