2 files changed, 76 insertions, 0 deletions
diff --git a/webkit/data/layout_tests/chrome/fast/dom/extensions/interval-expected.txt b/webkit/data/layout_tests/chrome/fast/dom/extensions/interval-expected.txt
new file mode 100644
index 0000000..f69fc7f
--- /dev/null
+++ b/webkit/data/layout_tests/chrome/fast/dom/extensions/interval-expected.txt
@@ -0,0 +1,9 @@
+This tests that the chromium.Interval functionality works correctly.
+
+PASS - initial zero
+PASS - start
+PASS - restart
+PASS - initial stop
+PASS - stop
+PASS - stopped
+PASS - re-stopped
diff --git a/webkit/data/layout_tests/chrome/fast/dom/extensions/interval.html b/webkit/data/layout_tests/chrome/fast/dom/extensions/interval.html
new file mode 100644
index 0000000..1ff02bc
--- /dev/null
+++ b/webkit/data/layout_tests/chrome/fast/dom/extensions/interval.html
@@ -0,0 +1,67 @@
+<html>
+<body onload="test()">
+<div id="result">
+<p>
+This tests that the chromium.Interval functionality works correctly.
+</p>
+</div>
+<script>
+if (window.layoutTestController) {
+  layoutTestController.dumpAsText();
+}
+
+var resultDiv = document.getElementById("result");
+
+function check(name, passed) {
+  if (passed) {
+    resultDiv.innerHTML += "PASS - " + name + "<br>";
+  } else {
+    resultDiv.innerHTML += "FAIL - " + name + "<br>";
+  }
+}
+
+// Spin loop for a short time
+function pause(millisecs) {
+  var start = new Date();
+  while ((new Date() - start) < millisecs);
+}
+
+
+function test() {
+  var interval = new chromium.Interval();
+
+  // Verify initialization.
+  check("initial zero", interval.microseconds() == 0);
+
+  // Verify that starting the timer works.
+  interval.start();
+  pause(500);
+  check("start", interval.microseconds() >= 500000);
+
+  // Verify that restarting the interval should reset the beginning time
+  interval.start();
+  pause(1);
+  check("restart", interval.microseconds() > 0 && interval.microseconds() < 500000);
+
+  // Verify that calling stop() before start() has no effect.
+  var interval = new chromium.Interval();
+  interval.stop();
+  check("initial stop", interval.microseconds() == 0);
+
+  // Verify a start/stop sequence.
+  interval.start();
+  pause(50);
+  interval.stop();
+  var ms = interval.microseconds();
+  check("stop", ms > 0 && ms < 1000000);
+
+  // Verify that the timer is really stopped.
+  check("stopped", ms == interval.microseconds());
+
+  // Verify that re-stopping the timer works.
+  interval.stop();
+  check("re-stopped", interval.microseconds() > ms);
+}
+</script>
+</body>
+</html>