From 85035643104d6e40c7aee08009b8de4471dc54fa Mon Sep 17 00:00:00 2001
From: SoulKa <louiswilke@gmx.de>
Date: Tue, 16 Jan 2024 20:54:56 +0100
Subject: [PATCH] add Precision() test

---
 aht20/aht20_test.go | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/aht20/aht20_test.go b/aht20/aht20_test.go
index 3ef3a79..ae1ddfc 100644
--- a/aht20/aht20_test.go
+++ b/aht20/aht20_test.go
@@ -174,3 +174,17 @@ func TestDev_SoftReset(t *testing.T) {
 		t.Fatal(err)
 	}
 }
+
+func TestDev_Precision(t *testing.T) {
+	dev := Dev{d: &i2c.Dev{Bus: &i2ctest.Playback{}, Addr: deviceAddress}, opts: DefaultOpts}
+	var env physic.Env
+	dev.Precision(&env)
+
+	if env.Temperature == 0 {
+		t.Fatal("expected temperature precision")
+	} else if env.Pressure != 0 {
+		t.Fatal("expected no pressure precision")
+	} else if env.Humidity == 0 {
+		t.Fatal("expected humidity precision")
+	}
+}