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Contents
import accumulate from './accumulate';
describe('accumulate()', () => {
test('accumulation empty', () => {
const accumulator = e => e * e;
expect(accumulate([], accumulator)).toEqual([]);
});
xtest('accumulate squares', () => {
const accumulator = number => number * number;
const result = accumulate([1, 2, 3], accumulator);
expect(result).toEqual([1, 4, 9]);
});
xtest('accumulate upcases', () => {
const accumulator = word => word.toUpperCase();
const result = accumulate('hello world'.split(/\s/), accumulator);
expect(result).toEqual(['HELLO', 'WORLD']);
});
xtest('accumulate reversed strings', () => {
const accumulator = word => word.split('').reverse().join('');
const result = accumulate('the quick brown fox etc'.split(/\s/), accumulator);
expect(result).toEqual(['eht', 'kciuq', 'nworb', 'xof', 'cte']);
});
xtest('accumulate recursively', () => {
const result = accumulate('a b c'.split(/\s/), char => accumulate('1 2 3'.split(/\s/), digit => char + digit));
expect(result).toEqual([['a1', 'a2', 'a3'], ['b1', 'b2', 'b3'], ['c1', 'c2', 'c3']]);
});
});
Version data entries
185 entries across 185 versions & 1 rubygems