@@ -3,41 +3,17 @@ import { generateGrayCodes } from '../GrayCodes.js'
33/**
44 * Test cases for the generateGrayCodes function.
55 */
6+ const testCases = [
7+ { n : 0 , expected : [ 0 ] } ,
8+ { n : 1 , expected : [ 0 , 1 ] } ,
9+ { n : 2 , expected : [ 0 , 1 , 3 , 2 ] } ,
10+ { n : 3 , expected : [ 0 , 1 , 3 , 2 , 6 , 7 , 5 , 4 ] } ,
11+ { n : 4 , expected : [ 0 , 1 , 3 , 2 , 6 , 7 , 5 , 4 , 12 , 13 , 15 , 14 , 10 , 11 , 9 , 8 ] } ,
12+ ] ;
613
7- test ( 'Generate Gray codes for n=3' , ( ) => {
8- const n = 3
9- const expectedGrayCodes = [ 0 , 1 , 3 , 2 , 6 , 7 , 5 , 4 ]
10- const grayCodes = generateGrayCodes ( n )
11- expect ( grayCodes ) . toEqual ( expectedGrayCodes )
12- } )
13- test ( 'Generate Gray codes for n=0' , ( ) => {
14- const n = 0 ;
15- const expectedGrayCodes = [ 0 ] ;
14+ testCases . forEach ( ( { n, expected } ) => {
15+ test ( `Generate Gray codes for n=${ n } , ( ) => {
1616 const grayCodes = generateGrayCodes ( n ) ;
17- expect ( grayCodes ) . toEqual ( expectedGrayCodes ) ;
18- } ) ;
19- 20- test ( 'Generate Gray codes for n=1' , ( ) => {
21- const n = 1 ;
22- const expectedGrayCodes = [ 0 , 1 ] ;
23- const grayCodes = generateGrayCodes ( n ) ;
24- expect ( grayCodes ) . toEqual ( expectedGrayCodes ) ;
25- } ) ;
26- 27- test ( 'Generate Gray codes for n=4' , ( ) => {
28- const n = 4 ;
29- const expectedGrayCodes = [
30- 0 , 1 , 3 , 2 , 6 , 7 , 5 , 4 , 12 , 13 , 15 , 14 , 10 , 11 , 9 , 8
31- ] ;
32- const grayCodes = generateGrayCodes ( n ) ;
33- expect ( grayCodes ) . toEqual ( expectedGrayCodes ) ;
34- } ) ;
35- 36- test ( 'Generate Gray codes for n=5' , ( ) => {
37- const n = 5 ;
38- const expectedGrayCodes = [
39- 0 , 1 , 3 , 2 , 6 , 7 , 5 , 4 , 12 , 13 , 15 , 14 , 10 , 11 , 9 , 8 , 24 , 25 , 27 , 26 , 30 , 31 , 29 , 28 , 20 , 21 , 23 , 22 , 18 , 19 , 17 , 16
40- ] ;
41- const grayCodes = generateGrayCodes ( n ) ;
42- expect ( grayCodes ) . toEqual ( expectedGrayCodes ) ;
17+ expect ( grayCodes ) . toEqual ( expected ) ;
4318 } ) ;
19+ } ) ;
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