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marchaos / jest-mock-extended

Type safe mocking extensions for Jest https://www.npmjs.com/package/jest-mock-extended
MIT License
828 stars 57 forks source link

Empty array in mock #37

Open RobertSigma opened 4 years ago

RobertSigma commented 4 years ago

This test fails with "RangeError: Invalid array length"

interface Test {
    arr: String[]
}

it('tests', () => {
    let m = mock<Test>({ arr: [] });

    expect(m.arr).toHaveLength(0);
})