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-rw-r--r--__tests__/dice.test.js45
-rw-r--r--__tests__/lexer.test.js12
-rw-r--r--__tests__/parser.test.js16
3 files changed, 72 insertions, 1 deletions
diff --git a/__tests__/dice.test.js b/__tests__/dice.test.js
index d397d4c..6a9ba46 100644
--- a/__tests__/dice.test.js
+++ b/__tests__/dice.test.js
@@ -16,7 +16,8 @@ const {
againAbove,
againUnder,
thresholdHigh,
- thresholdLow
+ thresholdLow,
+ repeat
} = require('../src/dice.js')
const defaultNumberRolls = 500
@@ -692,3 +693,45 @@ describe('threshold', () => {
})
})
})
+
+describe('repeat', () => {
+ describe('1d6 x 2', () => {
+ const die = repeat(d(constant(1), constant(6)), constant(2))
+
+ testDie(die, {
+ diceCount: 2,
+ average: {
+ average: 7
+ },
+ variance: {
+ variance: 5.83
+ },
+ bounds: {
+ low: 2,
+ high: 12,
+ expectLow: true,
+ expectHigh: true
+ }
+ })
+ })
+
+ describe('1d6 x 1d4', () => {
+ const die = repeat(d(constant(1), constant(6)), d(constant(1), constant(4)))
+
+ testDie(die, {
+ variableDiceCount: {
+ min: 1,
+ max: 4
+ },
+ average: {
+ average: 8.75
+ },
+ bounds: {
+ low: 1,
+ high: 24,
+ expectLow: true,
+ expectHigh: false
+ }
+ })
+ })
+})
diff --git a/__tests__/lexer.test.js b/__tests__/lexer.test.js
index 0c615d5..6745715 100644
--- a/__tests__/lexer.test.js
+++ b/__tests__/lexer.test.js
@@ -284,4 +284,16 @@ describe('lex', () => {
])
})
})
+
+ describe('repeat', () => {
+ test('1d6 x 3', () => {
+ expect(lex('1d6 x 3')).toEqual([
+ { type: 'constant', value: 1 },
+ { type: 'd' },
+ { type: 'constant', value: 6 },
+ { type: ' x ' },
+ { type: 'constant', value: 3 }
+ ])
+ })
+ })
})
diff --git a/__tests__/parser.test.js b/__tests__/parser.test.js
index bef11c5..d696b3e 100644
--- a/__tests__/parser.test.js
+++ b/__tests__/parser.test.js
@@ -285,6 +285,22 @@ describe('parse', () => {
})
})
+ it('parses dice with repeat', () => {
+ expect(parse('1d6 x 1d4')).toEqual({
+ type: 'repeat',
+ left: {
+ type: 'd',
+ left: { type: 'constant', value: 1 },
+ right: { type: 'constant', value: 6 }
+ },
+ right: {
+ type: 'd',
+ left: { type: 'constant', value: 1 },
+ right: { type: 'constant', value: 4 }
+ }
+ })
+ })
+
describe('parsing parentheses', () => {
test('(1d6)d6', () => {
expect(parse('(1d6)d6')).toEqual({