Skip to content

Navigation Menu

Sign in
Appearance settings

Search code, repositories, users, issues, pull requests...

Provide feedback

We read every piece of feedback, and take your input very seriously.

Saved searches

Use saved searches to filter your results more quickly
Sign up
Appearance settings

Commit 789516c

Browse files
Dictionary 🏁
1 parent 3441c6d commit 789516c

File tree

2 files changed

+81
-0
lines changed

2 files changed

+81
-0
lines changed

‎examples/datastructures/dictionary.js

Lines changed: 30 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,30 @@
1+
class Dictionary {
2+
constructor() {
3+
this.dataStore = [];
4+
}
5+
6+
set(key,value) {
7+
this.dataStore[key] = value;
8+
}
9+
10+
get(key) {
11+
return this.dataStore[key];
12+
}
13+
14+
remove(key) {
15+
delete this.dataStore[key];
16+
}
17+
18+
showAll() {
19+
let str = "";
20+
for(let key of Object.keys(this.dataStore))
21+
str += key + " -> " + this.dataStore[key] + "\n";
22+
return str;
23+
}
24+
25+
clear() {
26+
this.dataStore = [];
27+
}
28+
}
29+
30+
module.exports = Dictionary;

‎test/datastructures/dictionary.test.js

Lines changed: 51 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,51 @@
1+
const expect = require('chai').expect;
2+
const Dictionary = require('../../examples/datastructures/dictionary');
3+
4+
describe('=> DICTIONARY', function() {
5+
let numbers;
6+
before(function () {
7+
numbers = new Dictionary();
8+
});
9+
10+
it('should create an Empty Dictionary', function(done) {
11+
expect(numbers.dataStore).to.deep.equal([]);
12+
done();
13+
});
14+
15+
it('should set a <key,value> pair in the Dictionary', function(done) {
16+
numbers.set("Champu", 3370123459);
17+
numbers.set("Zhampak", 123991283);
18+
numbers.set("Raju", 7118780921);
19+
expect(numbers.dataStore["Champu"]).to.equal(3370123459);
20+
expect(numbers.dataStore["Zhampak"]).to.equal(123991283);
21+
expect(numbers.dataStore["Raju"]).to.equal(7118780921);
22+
done();
23+
});
24+
25+
it('should get a value from the Dictionary', function(done) {
26+
expect(numbers.get("Champu")).to.equal(3370123459);
27+
expect(numbers.get("Zhampak")).to.equal(123991283);
28+
expect(numbers.get("Raju")).to.equal(7118780921);
29+
done();
30+
});
31+
32+
it('should show all values from the Dictionary', function(done) {
33+
expect(numbers.showAll()).to.equal("Champu -> 3370123459\nZhampak -> 123991283\nRaju -> 7118780921\n");
34+
done();
35+
});
36+
37+
it('should remove a value from the Dictionary', function(done) {
38+
numbers.remove("Raju");
39+
expect(numbers.get("Raju")).to.equal(undefined);
40+
done();
41+
});
42+
43+
describe('=> clear', function() {
44+
it('should clear the Dictionary', function(done) {
45+
numbers.clear();
46+
expect(numbers.dataStore).to.deep.equal([]);
47+
done();
48+
});
49+
});
50+
51+
});

0 commit comments

Comments
(0)

AltStyle によって変換されたページ (->オリジナル) /