From 427149c9a4c4e0b389520d67199af01ad3c3f0c2 Mon Sep 17 00:00:00 2001
From: Marcin Chrzanowski <marcin.j.chrzanowski@gmail.com>
Date: Thu, 20 Jul 2017 13:13:30 -0400
Subject: Implement keepHigh

---
 __tests__/dice.test.js | 30 +++++++++++++++++++++++++++++-
 1 file changed, 29 insertions(+), 1 deletion(-)

(limited to '__tests__')

diff --git a/__tests__/dice.test.js b/__tests__/dice.test.js
index 1274b3d..1be0744 100644
--- a/__tests__/dice.test.js
+++ b/__tests__/dice.test.js
@@ -5,7 +5,8 @@ const {
   add,
   subtract,
   negative,
-  explode
+  explode,
+  keepHigh
 } = require('../src/dice.js')
 
 const defaultNumberRolls = 500
@@ -378,3 +379,30 @@ describe('exploding dice', () => {
     })
   })
 })
+
+describe('keep', () => {
+  describe('1K2d20', () => {
+    const die = keepHigh(constant(1), d(constant(2), constant(20)))
+
+    testDie(die, {
+      diceCount: 1,
+      average: {
+        average: 13.825
+      },
+      variance: {
+        variance: 22.104
+      },
+      bounds: {
+        low: 1,
+        high: 20,
+        expectLow: true,
+        expectHigh: true
+      }
+    }, 800)
+  })
+
+  describe('2K1d20', () => {
+    const die = keepHigh(constant(2), d(constant(1), constant(20)))
+    testDie(die, basicDieTestSpecs(1, 20))
+  })
+})
-- 
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