diff options
Diffstat (limited to 'node_modules/crypto-browserify/test/random-fill.js')
-rw-r--r-- | node_modules/crypto-browserify/test/random-fill.js | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/node_modules/crypto-browserify/test/random-fill.js b/node_modules/crypto-browserify/test/random-fill.js deleted file mode 100644 index 63c885a..0000000 --- a/node_modules/crypto-browserify/test/random-fill.js +++ /dev/null @@ -1,53 +0,0 @@ -var test = require('tape') -var crypto = require('../') -var Buffer = require('safe-buffer').Buffer - -test('get error message', function (t) { - try { - var b = crypto.randomFillSync(Buffer.alloc(10)) - t.ok(Buffer.isBuffer(b)) - t.end() - } catch (err) { - t.ok(/not supported/.test(err.message), '"not supported" is in error message') - t.end() - } -}) - -test('randomfill', function (t) { - t.plan(5) - t.equal(crypto.randomFillSync(Buffer.alloc(10)).length, 10) - t.ok(Buffer.isBuffer(crypto.randomFillSync(Buffer.alloc(10)))) - crypto.randomFill(Buffer.alloc(10), function (ex, bytes) { - t.error(ex) - t.equal(bytes.length, 10) - t.ok(Buffer.isBuffer(bytes)) - t.end() - }) -}) - -test('seems random', function (t) { - var L = 1000 - var b = crypto.randomFillSync(Buffer.alloc(L)) - - var mean = [].reduce.call(b, function (a, b) { - return a + b - }, 0) / L - - // test that the random numbers are plausably random. - // Math.random() will pass this, but this will catch - // terrible mistakes such as this blunder: - // https://github.com/dominictarr/crypto-browserify/commit/3267955e1df7edd1680e52aeede9a89506ed2464#commitcomment-7916835 - - // this doesn't check that the bytes are in a random *order* - // but it's better than nothing. - - var expected = 256 / 2 - var smean = Math.sqrt(mean) - - // console.log doesn't work right on testling, *grumble grumble* - console.log(JSON.stringify([expected - smean, mean, expected + smean])) - t.ok(mean < expected + smean) - t.ok(mean > expected - smean) - - t.end() -}) |