captchaforge 0.2.36

[DO NOT USE — UNDER ACTIVE DEVELOPMENT, NOT PRODUCTION-READY] Captcha solver scaffolding for chromiumoxide-driven browsers. The architecture is in place (vendor solvers, retry-loop iframe walking, VLM provider abstraction, real-WAF bench harness) but the live-vendor success rate is still 0% — Cloudflare Turnstile / hCaptcha / reCAPTCHA detect us at a TLS / CDP fingerprint layer that no flag-based stealth has cleared. Watch the repo; do not depend on this for any real workload.
Documentation 
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//! Chaos tests for behavior-simulation math.

use proptest::prelude::*;
use proptest::test_runner::TestRunner;

#[test]
fn bezier_formula_never_panics_for_any_f64() {
    let mut runner = TestRunner::default();
    runner
        .run(
            &(
                any::<f64>(),
                any::<f64>(),
                any::<f64>(),
                any::<f64>(),
                any::<f64>(),
            ),
            |(x0, _y0, x1, _y1, t)| {
                let t = t.abs() % 1.0;
                let u = 1.0 - t;
                let cx1 = x0 + (x1 - x0) * 0.3;
                let cx2 = x0 + (x1 - x0) * 0.7;
                let _x =
                    u * u * u * x0 + 3.0 * u * u * t * cx1 + 3.0 * u * t * t * cx2 + t * t * t * x1;
                prop_assert!(_x.is_finite() || _x.is_nan());
                Ok(())
            },
        )
        .unwrap();
}

#[test]
fn ease_function_range_0_to_1() {
    let mut runner = TestRunner::default();
    runner
        .run(&(0.0f64..1.0f64), |t| {
            let ease = (std::f64::consts::PI * t).sin();
            prop_assert!((0.0..=1.0).contains(&ease));
            Ok(())
        })
        .unwrap();
}

#[test]
fn bezier_endpoints_exact_for_any_control_points() {
    let mut runner = TestRunner::default();
    runner
        .run(
            &(any::<f64>(), any::<f64>(), any::<f64>(), any::<f64>()),
            |(x0, y0, x1, y1)| {
                let t0 = 0.0;
                let u0 = 1.0 - t0;
                let cx1 = x0;
                let cy1 = y0;
                let cx2 = x1;
                let cy2 = y1;
                let bx0 = u0 * u0 * u0 * x0
                    + 3.0 * u0 * u0 * t0 * cx1
                    + 3.0 * u0 * t0 * t0 * cx2
                    + t0 * t0 * t0 * x1;
                let by0 = u0 * u0 * u0 * y0
                    + 3.0 * u0 * u0 * t0 * cy1
                    + 3.0 * u0 * t0 * t0 * cy2
                    + t0 * t0 * t0 * y1;
                prop_assert_eq!(bx0, x0);
                prop_assert_eq!(by0, y0);
                Ok(())
            },
        )
        .unwrap();
}

#[test]
fn scroll_direction_is_copy() {
    let d = captchaforge::behavior::ScrollDirection::Down;
    let d2 = d;
    assert_eq!(d, d2);
}