test: Add a test with CpuClock::max()

hil-test/tests/init.rs

@@ -6,11 +6,7 @@
 #![no_main]
 
 use esp_hal::{
-    config::WatchdogStatus,
-    delay::Delay,
-    prelude::*,
-    rtc_cntl::Rtc,
-    timer::timg::TimerGroup,
+    config::WatchdogStatus, delay::Delay, prelude::*, rtc_cntl::Rtc, timer::timg::TimerGroup,
     Config,
 };
 use hil_test as _;
@@ -40,6 +36,27 @@ mod tests {
         }
     }
 
+    #[test]
+    #[timeout(3)]
+    fn test_feeding_timg0_wdt_max_clock() {
+        let peripherals = esp_hal::init({
+            let mut config = Config::default();
+            config.cpu_clock = CpuClock::max();
+            config.watchdog.timg0 =
+                WatchdogStatus::Enabled(fugit::MicrosDurationU64::millis(500 as u64));
+            config
+        });
+
+        let timg0 = TimerGroup::new(peripherals.TIMG0);
+        let mut wdt0 = timg0.wdt;
+        let delay = Delay::new();
+
+        for _ in 0..4 {
+            wdt0.feed();
+            delay.delay(250.millis());
+        }
+    }
+
     #[test]
     #[timeout(4)]
     fn test_feeding_rtc_wdt() {