test_group_minimum_scale_size.html

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<head>

<meta charset="utf-8">

<script src="/tests/SimpleTest/SimpleTest.js"></script>

<script type="application/javascript" src="apz_test_utils.js"></script>

<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>

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const prefs = [

  // We need the APZ paint logging information

  ["apz.test.logging_enabled", true],

  // Dropping the touch slop to 0 makes the tests easier to write because

  // we can just do a one-pixel drag to get over the pan threshold rather

  // than having to hard-code some larger value.

  ["apz.touch_start_tolerance", "0.0"],

  // The subtests in this test do touch-drags to pan the page, but we don't

  // want those pans to turn into fling animations, so we increase the

  // fling-min threshold velocity to an arbitrarily large value.

  ["apz.fling_min_velocity_threshold", "10000"],

  // The helper_bug1280013's div gets a displayport on scroll, but if the

  // test takes too long the displayport can expire before we read the value

  // out of the test. So we disable displayport expiry for these tests.

  ["apz.displayport_expiry_ms", 0],

  // Similarly, explicitly enable support for meta viewport tags (which the

  // test cases use) so they're processed even on desktop.

  ["dom.meta-viewport.enabled", true],

];

const subtests = [

  { file: "helper_minimum_scale_1_0.html", prefs },

  { file: "helper_no_scalable_with_initial_scale.html", prefs },

];

if (isApzEnabled()) {

  SimpleTest.waitForExplicitFinish();

  // Run the actual test in its own window, because it requires that the

  // root APZC be scrollable. Mochitest pages themselves often run

  // inside an iframe which means we have no control over the root APZC.

  window.onload = () => {

    runSubtestsSeriallyInFreshWindows(subtests)

    .then(SimpleTest.finish, SimpleTest.finishWithFailure);

};

</script>

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