local-storage.tentative.https.window.js

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This test has a WPT meta file that expects 1 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /html/anonymous-iframe/local-storage.tentative.https.window.html - WPT Dashboard Interop Dashboard

// META: script=/common/get-host-info.sub.js

// META: script=/common/utils.js

// META: script=/common/dispatcher/dispatcher.js

// META: script=/html/cross-origin-embedder-policy/credentialless/resources/common.js

// META: script=./resources/common.js

// Make |iframe| to store |key|=|value| into LocalStorage.

const store = async (iframe, key, value) => {

  const response_queue = token();

  send(iframe, `

    localStorage.setItem("${key}", "${value}");

    send("${response_queue}", "stored");

`);

  assert_equals(await receive(response_queue), "stored");

};

// Make |iframe| to load |key| in LocalStorage. Check it matches the

// |expected_value|.

const load = async (iframe, key, expected_value) => {

  const response_queue = token();

  send(iframe, `

    const value = localStorage.getItem("${key}");

    send("${response_queue}", value || "not found");

`);

  assert_equals(await receive(response_queue), expected_value);

};

promise_test(async test => {

  const origin = get_host_info().HTTPS_REMOTE_ORIGIN;

  const key_1 = token();

  const key_2 = token();

  // 4 actors: 2 credentialless iframe and 2 normal iframe.

  const iframe_credentialless_1 = newIframeCredentialless(origin);

  const iframe_credentialless_2 = newIframeCredentialless(origin);

  const iframe_normal_1 = newIframe(origin);

  const iframe_normal_2 = newIframe(origin);

  // 1. Store a value in one credentialless iframe and one normal iframe.

  await Promise.all([

    store(iframe_credentialless_1, key_1, "value_1"),

    store(iframe_normal_1, key_2, "value_2"),

]);

  // 2. Check what each of them can retrieve.

  await Promise.all([

    load(iframe_credentialless_1, key_1, "value_1"),

    load(iframe_credentialless_2, key_1, "value_1"),

    load(iframe_credentialless_1, key_2, "not found"),

    load(iframe_credentialless_2, key_2, "not found"),

    load(iframe_normal_1, key_1, "not found"),

    load(iframe_normal_2, key_1, "not found"),

    load(iframe_normal_1, key_2, "value_2"),

    load(iframe_normal_2, key_2, "value_2"),

]);

}, "Local storage is correctly partitioned with regards to credentialless iframe");