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import { Evt } from "../lib/index.ts";import { assert } from "https://raw.githubusercontent.com/garronej/tsafe/v1.0.0/deno_dist/assert.ts";;
{
    {
        const sevText = Evt.create("foo");
        const sevCharCount = sevText.pipe(text => [text.length]);
        assert(sevCharCount.state === sevText.state.length);
        sevText.post("foo bar");
        assert(sevCharCount.state === sevText.state.length);
    }
    {
        const ctx = Evt.newCtx();
        const sevText = Evt.create("foo");
        const sevCharCount = sevText.pipe(ctx, text => [text.length]);
        assert(sevCharCount.state === sevText.state.length);
        sevText.post("foo bar");
        assert(sevCharCount.state === sevText.state.length);
        const { state } = sevCharCount;
        ctx.done();
        sevText.post("foo bar baz");
        assert(state === sevCharCount.state);
    }
    {
        const evtText = Evt.create<string>();
        const sevText = evtText.toStateful("foo bar");
        assert(sevText.state === "foo bar" as string);
        evtText.post("foo bar");
        assert(sevText.postCount === 1 as number);        assert(sevText.evtChange.postCount === 0 as number);        assert(sevText.evtDiff.postCount === 1 as number);        assert(sevText.evtChangeDiff.postCount === 0 as number);
        evtText.post("baz");
        assert(sevText.postCount === 2);        assert(sevText.evtChange.postCount === 1);        assert(sevText.evtDiff.postCount === 2);        assert(sevText.evtChangeDiff.postCount === 1);
        assert(sevText.state === "baz");    }
    {
        const ctx = Evt.newCtx();
        const evtText = Evt.create<string>();
        const sevText = evtText.toStateful("foo bar", ctx);
        assert(sevText.state === "foo bar" as string);
        evtText.post("baz");
        assert(sevText.state === "baz" as string);
        ctx.done();
        evtText.post("Hello");
        assert(sevText.state !== "Hello");
    }
}
{
    {
        const sevText = Evt.create("foo");
        const sevCharCount = sevText.pipe(text => [text.length]);
        assert(sevCharCount.state === sevText.state.length);
        sevText.state = "foo bar";
        assert(sevCharCount.state === sevText.state.length);
    }
    {
        const ctx = Evt.newCtx();
        const sevText = Evt.create("foo");
        const sevCharCount = sevText.pipe(ctx, text => [text.length]);
        assert(sevCharCount.state === sevText.state.length);
        sevText.state= "foo bar";
        assert(sevCharCount.state === sevText.state.length);
        const { state } = sevCharCount;
        ctx.done();
        sevText.state= "foo bar baz";
        assert(state === sevCharCount.state);
    }
    {
        const evtText = Evt.create<string>();
        const sevText = evtText.toStateful("foo bar");
        assert(sevText.state === "foo bar" as string);
        evtText.post("foo bar");
        assert(sevText.postCount === 1 as number);        assert(sevText.evtChange.postCount === 0 as number);        assert(sevText.evtDiff.postCount === 1 as number);        assert(sevText.evtChangeDiff.postCount === 0 as number);
        evtText.post("baz");
        assert(sevText.postCount === 2);        assert(sevText.evtChange.postCount === 1);        assert(sevText.evtDiff.postCount === 2);        assert(sevText.evtChangeDiff.postCount === 1);
        assert(sevText.state === "baz");    }
    {
        const ctx = Evt.newCtx();
        const evtText = new Evt<string>();
        const sevText = evtText.toStateful("foo bar", ctx);
        assert(sevText.state === "foo bar" as string);
        evtText.post("baz");
        assert(sevText.state === "baz" as string);
        ctx.done();
        evtText.post("Hello");
        assert(sevText.state !== "Hello");
    }
}
console.log("PASS");