Created
July 2, 2020 18:05
-
-
Save dubzzz/2ae9fe73fa8c6ddc17a8582a2145ffa8 to your computer and use it in GitHub Desktop.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
miniFc.boolean = () => map( | |
miniFc.integer(0, 1), | |
Boolean, | |
b => b ? 1 : 0, | |
) | |
miniFc.character = () => map( | |
miniFc.integer(0, 25), | |
n => String.fromCharCode(97 + n), | |
c => c.codePointAt(0) - 97, | |
) | |
miniFc.string = () => map( | |
miniFc.array(miniFc.character()), | |
characters => characters.join(''), | |
s => s.split('') | |
) | |
miniFc.dictionary = (valueGenerator) => map( | |
miniFc.array(miniFc.tuple(miniFc.string(), valueGenerator)), | |
Object.fromEntries, | |
Object.entries, | |
) | |
// > [...miniFc.boolean().shrink(true)] | |
// > [...miniFc.character().shrink("h")] | |
// > [...miniFc.string().shrink("hello")] | |
// > [...miniFc.dictionary(miniFc.string()).shrink({"hello": "world"})] |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment