netinfo-basics.html

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This test has a WPT meta file that expects 6 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /netinfo/netinfo-basics.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<meta charset="utf-8">

<title>NetInfo basic functionality</title>

<link rel="help" href="https://wicg.github.io/netinfo/">

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<script>

test(function() {

      assert_in_array(navigator.connection.type,  ["bluetooth", "cellular",

        "ethernet", "mixed", "none", "other", "unknown", "wifi", "wimax"], 'type is unexpected');

}, "type attribute");

test(function() {

      assert_in_array(navigator.connection.saveData,  [false, true], 'saveData is unexpected');

}, "saveData attribute");

test(function() {

      assert_greater_than_equal(navigator.connection.downlinkMax, 0);

}, "downlinkMax attribute");

test(function() {

      assert_in_array(navigator.connection.effectiveType, ["slow-2g", "2g",

          "3g", "4g"], 'effectiveType is unexpected');

}, "effectiveType attribute");

test(function() {

      var rtt  = navigator.connection.rtt;

      assert_greater_than_equal(rtt, 0);

      assert_less_than_equal(rtt, 3000);

      assert_equals(rtt % 50, 0, 'rtt must be a multiple of 50 msec');

}, "rtt attribute");

test(function() {

  var downlinkKbps  = navigator.connection.downlink * 1000;

  assert_greater_than_equal(downlinkKbps, 0);

  assert_less_than_equal(downlinkKbps, 10000);

  // Verify that downlinkKbps is a multiple of 50.

  var quotient = parseInt(downlinkKbps  / 50, 10);

  // mod is the remainder left after dividing downlinkKbps by 50 while

  // restricting the quotient to an integer. For example, if downlinkKbps is

  // 1050, then mod will be 0. If downlinkKpbps is 1030, mod will be 30.

  var mod = downlinkKbps - 50 * quotient;

  assert_less_than_equal(0.0, mod, 'mod outside the range');

  assert_greater_than(50.0, mod, 'mod outside the range');

  // It is possible that mod is not exactly 0 because of floating point

  // computations. e.g., downlinkKbps may be 99.999999, in which case mod

  // will be 49.999999.

  assert_true(mod < 1e-5 || (50-mod) < 1e-5, 'downlink must be a multiple of 50 kbps');

}, "downlink attribute");

</script>