chromium/src/third_party/blink/web_tests/http/tests/security/mixedContent/websocket/resources/expect-throw-on-construction.js

function reportResult(msg) {
    if (self.opener)
        self.opener.postMessage(msg, "*");
    else if (self.top)
        self.top.postMessage(msg, "*");
    else
        postMessage(msg);
}

(function () {
    try {
        var ws = new WebSocket("ws://example.test:8880/echo");
    } catch (e) {
        reportResult("DONE");
        self.close();
        return;
    }
    reportResult("FAIL: No exception was thrown")
    self.close();
})();