57 lines
1.2 KiB
TypeScript
57 lines
1.2 KiB
TypeScript
import * as bma from '#pkg'
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describe('modInv', function () {
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const inputs = [
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{
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a: BigInt(1),
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n: BigInt(19),
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modInv: BigInt(1)
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},
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{
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a: BigInt(2),
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n: BigInt(5),
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modInv: BigInt(3)
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},
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{
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a: BigInt(-2),
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n: BigInt(5),
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modInv: BigInt(2)
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}]
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const invalidInputs = [
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{
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a: BigInt(2),
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n: BigInt(4)
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},
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{
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a: BigInt(0),
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n: BigInt(0)
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},
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{
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a: BigInt(0),
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n: BigInt(37)
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}
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]
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for (const input of inputs) {
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describe(`modInv(${input.a}, ${input.n})`, function () {
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it(`should return ${input.modInv}`, function () {
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const ret = bma.modInv(input.a, input.n)
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// chai.assert( String(ret) === String(input.modInv) );
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chai.expect(String(ret)).to.be.equal(String(input.modInv))
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})
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})
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}
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for (const input of invalidInputs) {
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describe(`modInv(${input.a}, ${input.n})`, function () {
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it('should throw RangeError', function () {
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try {
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bma.modInv(input.a, input.n)
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throw new Error('should have failed')
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} catch (err) {
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chai.expect(err).to.be.instanceOf(RangeError)
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}
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})
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})
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}
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})
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