executeTool-target-navigation.https.html

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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:
- /webmcp/imperative/executeTool-target-navigation.https.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<html>

<head>

<title>WebMCP executeTool with Target Navigation</title>

<link rel="author" href="mailto:dom@chromium.org">

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

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

<script src="/common/get-host-info.sub.js"></script>

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

</head>

<body>

<script>

const host_info = get_host_info();

promise_test(async t => {

  const iframe = document.createElement('iframe');

  iframe.src = 'resources/iframe-register-tool.html';

  iframe.allow = 'tools *';

  const load_promise = new Promise(resolve => iframe.onload = resolve);

  document.body.appendChild(iframe);

  t.add_cleanup(() => iframe.remove());

  await load_promise;

  // Tell iframe to register a tool.

  iframe.contentWindow.postMessage({

    action: 'register',

    hangsForever: true,

    tool: {

      name: 'iframe_tool',

      description: 'Iframe tool'

  }, '*');

  // Wait for toolchange.

  await new Promise(resolve => {

    navigator.modelContext.addEventListener('toolchange', resolve, {once: true});

});

  // Invoke tool and immediately navigate iframe away.

  const tools = await navigator.modelContext.getTools();

  const tool = tools.find(t => t.name === 'iframe_tool');

  const promise = navigator.modelContext.executeTool(tool, '{}');

  iframe.src = 'about:blank';

  // The promise should be rejected because the target document died.

  // We expect AbortError or similar. Let's assume AbortError for now.

  await promise_rejects_dom(t, 'UnknownError', promise, 'Promise should be rejected when target document dies');

}, 'executeTool() rejects when target document navigates away');

</script>

</body>

</html>