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import { Evt } from "../lib/index.ts";import { getPromiseAssertionApi } from "../tools/testing/getPromiseAssertionApi.ts";
const { mustResolve, mustStayPending } = getPromiseAssertionApi();
(async () => {

    {
        const sevText = Evt.create("");
        const pr1 = mustResolve({            "promise": sevText.waitFor(),            "expectedData": ""        });
        const pr2 = mustResolve({            "promise": sevText.evtDiff.waitFor(({ newState }) => newState === "" ? [newState] : null),            "expectedData": ""        });
        mustStayPending(sevText.evtChange.waitFor());        mustStayPending(sevText.evtChangeDiff.waitFor());

        sevText.post(sevText.state);
        await Promise.all([pr1, pr2]);
    }
    {
        const sevText = Evt.create("");
        const pr1 = mustResolve({            "promise": sevText.waitFor(),            "expectedData": ""        });
        const pr2 = mustResolve({            "promise": sevText.evtDiff.waitFor(({ newState }) => newState === "" ? [newState] : null),            "expectedData": ""        });
        mustStayPending(sevText.evtChange.waitFor());        mustStayPending(sevText.evtChangeDiff.waitFor());
        sevText.state = sevText.state;
        await Promise.all([pr1, pr2]);
    }
    console.log("PASS");
})();