<!doctype html>
<title>Example pref test</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<p>Test requires the pref browser.display.foreground_color to be set to #00FF00</p>
<script>
test(function() {
  assert_equals(getComputedStyle(document.body).color, "rgb(0, 255, 0)");
}, "Test that pref was set");
</script>