diff --git a/examples/etherdream.rs b/examples/etherdream.rs
index 75d888c..c521b0b 100644
--- a/examples/etherdream.rs
+++ b/examples/etherdream.rs
@@ -129,7 +129,7 @@ impl Iterator for SineWave {
 			_ => (std::u16::MAX, std::u16::MAX, std::u16::MAX),
 		};
 		let x_min = std::i16::MIN;
-		let x_max = std::i16::MAX;
+		let x_max = std::i8::MAX as i16;
 		let x = (x_min as f32 + fract * (x_max as f32 - x_min as f32)) as i16;
 		let y = (amp * x_max as f32) as i16;
 		let control = 0;
diff --git a/examples/test.rs b/examples/test.rs
new file mode 100644
index 0000000..b8fb5f3
--- /dev/null
+++ b/examples/test.rs
@@ -0,0 +1,46 @@
+///
+/// $ cargo run --example simple_client
+///
+
+use redis::{
+	//RedisResult,
+	Client,
+	Commands,
+	Connection,
+};
+
+use std::time::Instant;
+
+fn do_something() -> redis::RedisResult<()> {
+	let client = Client::open("redis://127.0.0.1/")?;
+	let mut con: Connection = client.get_connection()?;
+	let start = Instant::now();
+
+	loop {
+		let elapsed = start.elapsed();
+		let time = 60.0 * elapsed.as_millis() as f32 / 1000.0;
+
+		let mut v: Vec<(f32, f32, u32)> = vec![];
+
+		for i in 0..128 {
+			let a = (time + i as f32) / 128.0 * std::f32::consts::PI * 2.0;
+			let r = 1200.0 + (a * 5.0).cos() * (500.0 * (time / 5.0).cos());
+
+			let x = a.cos() * r;
+			let y = a.sin() * r;
+			let col = if i % 8 < 4 {
+				0x000000ff
+			} else {
+				0x00ff0000
+			};
+			v.push((x, y, col));
+		}
+		// println!("{:?}", v);
+		let _ = con.set("/pl/0/0", format!("{:?}", v))?;
+	}
+	// Ok(())
+}
+
+fn main() {
+	_ = do_something();
+}