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var R = require('../source');var eq = require('./shared/eq');

var albums = [  {title: 'A Farewell to Kings', artist: 'Rush', genre: 'Rock', score: 3},  {title: 'Timeout', artist: 'Dave Brubeck Quartet', genre: 'Jazz', score: 3},  {title: 'Fly By Night', artist: 'Rush', genre: 'Rock', score: 5},  {title: 'Goldberg Variations', artist: 'Daniel Barenboim', genre: 'Baroque', score: 3},  {title: 'Art of the Fugue', artist: 'Glenn Gould', genre: 'Baroque', score: 3},  {title: 'New World Symphony', artist: 'Leonard Bernstein', genre: 'Romantic', score: 4},  {title: 'Romance with the Unseen', artist: 'Don Byron', genre: 'Jazz', score: 5},  {title: 'Somewhere In Time', artist: 'Iron Maiden', genre: 'Metal', score: 2},  {title: 'In Times of Desparation', artist: 'Danny Holt', genre: 'Modern', score: 1},  {title: 'Evita', artist: 'Various', genre: 'Broadway', score: 3},  {title: 'Five Leaves Left', artist: 'Nick Drake', genre: 'Folk', score: 1},  {title: 'The Magic Flute', artist: 'John Eliot Gardiner', genre: 'Classical', score: 4}];

describe('sortWith', function() {  it('sorts by a simple property of the objects', function() {    var sortedAlbums = R.sortWith([      R.ascend(R.prop('title'))    ], albums);    eq(sortedAlbums.length, albums.length);    eq(sortedAlbums[0].title, 'A Farewell to Kings');    eq(sortedAlbums[11].title, 'Timeout');  });
  it('sorts by multiple properties of the objects', function() {    var sortedAlbums = R.sortWith([      R.ascend(R.prop('score')),      R.ascend(R.prop('title'))    ], albums);    eq(sortedAlbums.length, albums.length);    eq(sortedAlbums[0].title, 'Five Leaves Left');    eq(sortedAlbums[1].title, 'In Times of Desparation');    eq(sortedAlbums[11].title, 'Romance with the Unseen');  });
  it('sorts by 3 properties of the objects', function() {    var sortedAlbums = R.sortWith([      R.ascend(R.prop('genre')),      R.ascend(R.prop('score')),      R.ascend(R.prop('title'))    ], albums);    eq(sortedAlbums.length, albums.length);    eq(sortedAlbums[0].title, 'Art of the Fugue');    eq(sortedAlbums[1].title, 'Goldberg Variations');    eq(sortedAlbums[11].title, 'New World Symphony');  });
  it('sorts by multiple properties using ascend and descend', function() {    var sortedAlbums = R.sortWith([      R.descend(R.prop('score')),      R.ascend(R.prop('title'))    ], albums);    eq(sortedAlbums.length, albums.length);    eq(sortedAlbums[0].title, 'Fly By Night');    eq(sortedAlbums[1].title, 'Romance with the Unseen');    eq(sortedAlbums[11].title, 'In Times of Desparation');  });
  it('preserves object identity', function() {    var a = {value: 'a'};    var b = {value: 'b'};    var result = R.sortWith([R.ascend(R.prop('value'))], [b, a]);    eq(result[0], a);    eq(result[1], b);  });
  it('sorts array-like object', function() {    var args = (function() { return arguments; }('c', 'a', 'b'));    var result = R.sortWith([R.ascend(R.identity)], args);    eq(result[0], 'a');    eq(result[1], 'b');    eq(result[2], 'c');  });
});