Implment keepLow

1 files changed, 26 insertions, 0 deletions

diff --git a/__tests__/dice.test.js b/__tests__/dice.test.js
index 6fb48a2..3073fee 100644
--- a/__tests__/dice.test.js
+++ b/__tests__/dice.test.js
@@ -7,6 +7,7 @@ const {
   negative,
   explode,
   keepHigh,
+  keepLow,
   bonusAdd
 } = require('../src/dice.js')
 
@@ -406,6 +407,31 @@ describe('keep', () => {
     const die = keepHigh(constant(2), d(constant(1), constant(20)))
     testDie(die, basicDieTestSpecs(1, 20))
   })
+
+  describe('1k2d20', () => {
+    const die = keepLow(constant(1), d(constant(2), constant(20)))
+
+    testDie(die, {
+      diceCount: 1,
+      average: {
+        average: 7.175
+      },
+      variance: {
+        variance: 22.194
+      },
+      bounds: {
+        low: 1,
+        high: 20,
+        expectLow: true,
+        expectHigh: true
+      }
+    }, 800)
+  })
+
+  describe('2k1d20', () => {
+    const die = keepLow(constant(2), d(constant(1), constant(20)))
+    testDie(die, basicDieTestSpecs(1, 20))
+  })
 })
 
 describe('bonusAdd', () => {