Ngchiwa Ng
1 min readApr 28, 2019

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. it(“should add two numbers by using promise”, (done) =>{

. func.usedPromiseAdd(1,2)

. .then((res)=>{

. expect(res).to.equal(3);

. done();

. }).catch((err) =>{

. expect(err).to.throw;

. done();

. });

. });

加了catch 沒什麼用. 因為不是要測 err

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Ngchiwa Ng
Ngchiwa Ng

Written by Ngchiwa Ng

Backend/iOS Engineer, rock the world

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