1 files changed, 104 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/anonymous-iframe/indexeddb.tentative.https.window.js b/testing/web-platform/tests/html/anonymous-iframe/indexeddb.tentative.https.window.js
new file mode 100644
index 0000000000..d2749c6be2
--- /dev/null
+++ b/testing/web-platform/tests/html/anonymous-iframe/indexeddb.tentative.https.window.js
@@ -0,0 +1,104 @@
+// META: timeout=long
+// 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
+
+// "token()" is used to get unique value for every execution of the test. This
+// avoids potential side effects of one run toward the second.
+const g_db_store = token();
+const g_db_name = token();
+const g_db_version = 1;
+
+// A script storing "|id|=|value|" in IndexedDB.
+const write_script = (id, value, done) => `
+  // Open the database:
+  const request = indexedDB.open("${g_db_name}", "${g_db_version}");
+  request.onupgradeneeded = () => {
+    request.result.createObjectStore("${g_db_store}", {keyPath: "id"});
+  };
+  await new Promise(r => request.onsuccess = r);
+  const db = request.result;
+
+  // Write the value:
+  const transaction_write = db.transaction("${g_db_store}", "readwrite");
+  transaction_write.objectStore("${g_db_store}").add({
+    id: "${id}",
+    value: "${value}",
+  });
+  await transaction_write.complete;
+
+  db.close();
+  send("${done}", "Done");
+`;
+
+// A script retrieving what was stored inside IndexedDB.
+const read_script = (done) => `
+  // Open the database:
+  const request = indexedDB.open("${g_db_name}", "${g_db_version}");
+  await new Promise(r => request.onsuccess = r);
+  const db = request.result;
+
+  // Read:
+  const transaction_read = db.transaction("${g_db_store}", "readonly");
+  const get_all = transaction_read.objectStore("${g_db_store}").getAll();
+  await new Promise(r => transaction_read.oncomplete = r);
+
+  db.close();
+  send("${done}", JSON.stringify(get_all.result));
+`;
+
+promise_test(async test => {
+  // 4 actors: 2 credentialless iframe and 2 normal iframe.
+  const origin = get_host_info().HTTPS_REMOTE_ORIGIN;
+  const iframes = [
+    newIframeCredentialless(origin),
+    newIframeCredentialless(origin),
+    newIframe(origin),
+    newIframe(origin),
+  ];
+
+  // 1. Write a different key-value pair from the iframes in IndexedDB:
+  const keys = iframes.map(token);
+  const values = iframes.map(token);
+  const response_queues = iframes.map(token);
+  await Promise.all(iframes.map(async (_, i) => {
+    send(iframes[i], write_script(keys[i], values[i], response_queues[i]));
+    assert_equals(await receive(response_queues[i]), "Done");
+  }));
+
+  // 2. Read the state from every iframes:
+  const states = await Promise.all(iframes.map(async (_, i) => {
+    send(iframes[i], read_script(response_queues[i]));
+    const reply = JSON.parse(await receive(response_queues[i]));
+
+    const state = {}
+    for(entry of reply)
+      state[entry.id] = entry.value;
+    return state;
+  }));
+
+
+  // Verify the two credentialless iframe share the same state and the normal
+  // iframe share a second state
+  assert_equals(states[0][keys[0]], values[0]);
+  assert_equals(states[0][keys[1]], values[1]);
+  assert_equals(states[0][keys[2]], undefined);
+  assert_equals(states[0][keys[3]], undefined);
+
+  assert_equals(states[1][keys[0]], values[0]);
+  assert_equals(states[1][keys[1]], values[1]);
+  assert_equals(states[1][keys[2]], undefined);
+  assert_equals(states[1][keys[3]], undefined);
+
+  assert_equals(states[2][keys[0]], undefined);
+  assert_equals(states[2][keys[1]], undefined);
+  assert_equals(states[2][keys[2]], values[2]);
+  assert_equals(states[2][keys[3]], values[3]);
+
+  assert_equals(states[3][keys[0]], undefined);
+  assert_equals(states[3][keys[1]], undefined);
+  assert_equals(states[3][keys[2]], values[2]);
+  assert_equals(states[3][keys[3]], values[3]);
+})