ce4c83ff
 wxy
初始提交
|
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
|
describe( 'coalescy', function () {
beforeEach( function () {
this.coalesce = require( '../index' );
} );
it( 'should return the first non null value', function () {
var result = this.coalesce( null, [] );
expect( result ).to.deep.equal( [] );
result = this.coalesce( null, {} );
expect( result ).to.deep.equal( {} );
result = this.coalesce( null, [], {} );
expect( result ).to.deep.equal( [] );
result = this.coalesce( null, undefined, 0, {} );
expect( result ).to.equal( 0 );
var a = null,
b,
c = 0,
d = 1;
result = this.coalesce( a, b, c, d );
expect( result ).to.equal( 0 );
} );
it( 'should return null when no arguments are passed', function () {
var result = this.coalesce();
expect( result ).to.equal( null );
} );
} );
|
