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99 lines
3.5 KiB
HTML
99 lines
3.5 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<head>
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<title>Example with iframe that notifies containing document via callbacks</title>
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<script src="../testharness.js"></script>
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<script src="../testharnessreport.js"></script>
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</head>
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<body onload="start_test_in_iframe()">
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<h1>Callbacks From Tests Running In An IFRAME</h1>
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<p>A test is run inside an <tt>iframe</tt> with a same origin document. The
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containing document should receive callbacks as the tests progress inside the
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<tt>iframe</tt>. A single passing test is expected in the summary below.
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<div id="log"></div>
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<script>
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var callbacks = [];
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var START = 1
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var TEST_STATE = 2
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var RESULT = 3
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var COMPLETION = 4
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var test_complete = false;
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setup({explicit_done: true});
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// The following callbacks are called for tests in this document as well as the
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// tests in the IFRAME. Currently, callbacks invoked from this document and any
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// child document are indistinguishable from each other.
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function start_callback(properties) {
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callbacks.push(START);
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}
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function test_state_callback(test) {
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callbacks.push(TEST_STATE);
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}
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function result_callback(test) {
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callbacks.push(RESULT);
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}
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function completion_callback(tests, status) {
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if (test_complete) {
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return;
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}
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test_complete = true;
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callbacks.push(COMPLETION);
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verify_received_callbacks();
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done();
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}
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function verify_received_callbacks() {
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var copy_of_callbacks = callbacks.slice(0);
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// Note that you can't run test assertions directly in a callback even if
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// this is a file test. When the callback is invoked from a same-origin child
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// page, the callstack reaches into the calling child document. Any
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// exception thrown in a callback will be handled by the child rather than
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// this document.
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test(
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function() {
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// callbacks list should look like:
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// START 1*(TEST_STATE) RESULT COMPLETION
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assert_equals(copy_of_callbacks.shift(), START,
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"The first received callback should be 'start_callback'.");
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assert_equals(copy_of_callbacks.shift(), TEST_STATE,
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"'test_state_callback' should be received before any " +
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"result or completion callbacks.");
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while(copy_of_callbacks.length > 0) {
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var callback = copy_of_callbacks.shift();
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if (callback != TEST_STATE) {
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copy_of_callbacks.unshift(callback);
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break;
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}
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}
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assert_equals(copy_of_callbacks.shift(), RESULT,
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"'test_state_callback' should be followed by 'result_callback'.");
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assert_equals(copy_of_callbacks.shift(), COMPLETION,
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"Final 'result_callback' should be followed by 'completion_callback'.");
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assert_equals(copy_of_callbacks.length, 0,
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"'completion_callback' should be the last callback.");
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});
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}
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function start_test_in_iframe() {
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// This document is going to clear any received callbacks and maintain
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// radio silence until the test in the iframe runs to completion. The
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// completion_callback() will then complete the testing on this document.
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callbacks.length = 0;
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var iframe = document.createElement("iframe");
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// apisample6.html has a single test.
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iframe.src = "apisample6.html";
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iframe.style.setProperty("display", "none");
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document.getElementById("target").appendChild(iframe);
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}
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</script>
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<div id="target">
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</div>
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</body>
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