From c33b623e4117a1c3cfa1a14c38c2e5ab3f81f7f4 Mon Sep 17 00:00:00 2001
From: Arne Dußin
Date: Mon, 26 Apr 2021 13:54:49 +0200
Subject: Add additional dice tests and skip tests for rngs

---
 src/character/stats.rs |  1 +
 src/dice.rs            | 32 ++++++++++++++++++++++++++++++++
 src/main.rs            |  4 ++++
 3 files changed, 37 insertions(+)

diff --git a/src/character/stats.rs b/src/character/stats.rs
index 6c4a54f..24ec82b 100644
--- a/src/character/stats.rs
+++ b/src/character/stats.rs
@@ -34,6 +34,7 @@ impl Stats
         v
     }
 
+    #[tarpaulin::skip]
     pub fn roll_initial() -> Self
     {
         let mut rng = rand::thread_rng();
diff --git a/src/dice.rs b/src/dice.rs
index 68b6ecf..a2774d6 100644
--- a/src/dice.rs
+++ b/src/dice.rs
@@ -58,6 +58,7 @@ impl Die
 
     pub fn value(&self) -> u8 { DIE_VALUES[self.0 as usize] }
 
+    #[tarpaulin::skip]
     pub fn roll(&self) -> u8
     {
         let mut rng = rand::thread_rng();
@@ -115,6 +116,7 @@ impl RiskDie
     /// Roll the die. If the die shows 3 or less, it returns the next lower die.
     /// If it is more, it returns itself. If it was already the lowest die value
     /// and it would be stepped down it returns `None`.
+    #[tarpaulin::skip]
     pub fn roll(self) -> Option<Self>
     {
         let mut rng = rand::thread_rng();
@@ -209,6 +211,14 @@ mod tests
         assert_eq!(die.level(), 5);
     }
 
+    #[test]
+    fn create_risk_die_from_invalid_value()
+    {
+        assert_eq!(RiskDie::from_value(5), Err(Error::InvalidValue));
+        assert_eq!(RiskDie::from_value(21), Err(Error::InvalidValue));
+        assert_eq!(RiskDie::from_value(0), Err(Error::InvalidValue));
+    }
+
     #[test]
     fn risk_die_level_down()
     {
@@ -231,6 +241,28 @@ mod tests
         assert_eq!(DELTA_20.level_up(), DELTA_20);
     }
 
+    #[test]
+    fn risk_die_can_be_lowered()
+    {
+        assert!(!DELTA_4.can_be_lowered());
+        assert!(DELTA_6.can_be_lowered());
+        assert!(DELTA_8.can_be_lowered());
+        assert!(DELTA_10.can_be_lowered());
+        assert!(DELTA_12.can_be_lowered());
+        assert!(DELTA_20.can_be_lowered());
+    }
+
+    #[test]
+    fn risk_die_can_be_upped()
+    {
+        assert!(DELTA_4.can_be_upped());
+        assert!(DELTA_6.can_be_upped());
+        assert!(DELTA_8.can_be_upped());
+        assert!(DELTA_10.can_be_upped());
+        assert!(DELTA_12.can_be_upped());
+        assert!(!DELTA_20.can_be_upped());
+    }
+
     #[test]
     fn add_risk_dice()
     {
diff --git a/src/main.rs b/src/main.rs
index 8534936..6cc390e 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,5 +1,9 @@
+#![feature(register_tool)]
+#![register_tool(tarpaulin)]
+
 pub mod character;
 pub mod dice;
 pub mod inventory;
 
+#[tarpaulin::skip]
 fn main() {}
-- 
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