FilesExpand file tree

 master

/

sort.testcase.js

Copy path

Blame

More file actions

Blame

More file actions

Latest commit

 

History

History

History

65 lines (54 loc) · 1.61 KB

 master

/

sort.testcase.js

Copy path

Top

File metadata and controls

• Code
• Blame

65 lines (54 loc) · 1.61 KB

Raw

Copy raw file

Download raw file

Open symbols panel

Edit and raw actions

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

module.exports = function (sort, algorithmName, options) {

'use strict';

options = options || {

integers: false,

reverse: true

};

describe(algorithmName, function () {

function createRandomArray(config) {

config = config || {};

var size = config.size || 100;

var precision = config.precision || 2;

var multiplier = config.multiplier || 100;

var result = [];

for (var i = size; i > 0; i -= 1) {

result.push(parseFloat((Math.random() *

multiplier).toFixed(precision)));

}

return result;

}

it('should work with empty array', function () {

expect(sort([])).toEqual([]);

});

it('should work with sorted arrays', function () {

expect(sort([1, 2, 3, 4])).toEqual([1, 2, 3, 4]);

});

it('should work with random non-sorted arrays', function () {

var array;

if (options.integers) {

array = createRandomArray();

} else {

array = createRandomArray({

precision: 0

});

}

array = sort(array);

for (var i = 0; i < array.length - 1; i += 1) {

expect(array[i] <= array[i + 1]).toBeTruthy();

}

});

if (options.reverse) {

it('should sort the numbers in descending order ' +

'when such comparator is provided', function () {

function comparator(a, b) {

return b - a;

}

var array = createRandomArray();

array = sort(array, comparator);

for (var i = 0; i < array.length - 1; i += 1) {

expect(array[i] >= array[i + 1]).toBeTruthy();

}

});

}

});

};