signal-desktop/libtextsecure/test/helpers_test.js
2018-04-30 16:53:34 -04:00

30 lines
1 KiB
JavaScript

'use strict';
describe("Helpers", function() {
describe("ArrayBuffer->String conversion", function() {
it('works', function() {
var b = new ArrayBuffer(3);
var a = new Uint8Array(b);
a[0] = 0;
a[1] = 255;
a[2] = 128;
assert.equal(getString(b), "\x00\xff\x80");
});
});
describe("stringToArrayBuffer", function() {
it('returns ArrayBuffer when passed string', function() {
var StaticArrayBufferProto = new ArrayBuffer().__proto__;
var anArrayBuffer = new ArrayBuffer(1);
var typedArray = new Uint8Array(anArrayBuffer);
typedArray[0] = 'a'.charCodeAt(0);
assertEqualArrayBuffers(stringToArrayBuffer('a'), anArrayBuffer);
});
it('throws an error when passed a non string', function() {
var notStringable = [{}, undefined, null, new ArrayBuffer()];
notStringable.forEach(function(notString) {
assert.throw(function() { stringToArrayBuffer(notString) }, Error);
});
});
});
});