110 lines
3.7 KiB
TypeScript
110 lines
3.7 KiB
TypeScript
import {G1point} from "../../../src/helpers/g1point";
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import {expect} from "chai";
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describe('g1point', function() {
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it('should generate different random point', () => {
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const g1 = G1point.random();
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const g2 = G1point.random();
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expect(g1.equal(g2)).to.be.false;
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});
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it('should be same', () => {
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const g1 = G1point.random();
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expect(g1.equal(g1)).to.be.true;
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});
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it('serialize adn deserialize should produce same result', () => {
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const g1 = G1point.random();
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const g2 = G1point.fromBytesCompressed(g1.toBytesCompressed());
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expect(g1.equal(g2)).to.be.true;
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});
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it('deserialize correct point doesn not throw', () => {
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expect(() => {
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G1point.fromBytesCompressed(
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Buffer.from(
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'8123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef',
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'hex'
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)
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)
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}).to.not.throw;
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});
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it('deserialize incorrect point throws', () => {
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expect(() => {
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G1point.fromBytesCompressed(
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Buffer.from(
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'8123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcde0',
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'hex'
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)
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)
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}).to.throw('X coordinate is not on the curve.');
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});
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it('deserialize incorrect point throws 2', () => {
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expect(() => {
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G1point.fromBytesCompressed(
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Buffer.from(
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'9a0111ea397fe69a4b1ba7b6434bacd764774b84f38512bf6730d2a0f6b0f6241eabfffeb153ffffb9feffffffffaaab',
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'hex'
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)
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)
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}).to.throw('X coordinate is too large.');
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});
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it('deserialize incorrect point throws 3', () => {
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expect(() => {
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G1point.fromBytesCompressed(
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Buffer.from(
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'9a0111ea397fe69a4b1ba7b6434bacd764774b84f38512bf6730d2a0f6b0f6241eabfffeb153ffffb9feffffffffaaac',
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'hex'
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)
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)
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}).to.throw('X coordinate is too large.');
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});
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it('deserialize incorrect point throws to few bytes', () => {
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expect(() => {
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G1point.fromBytesCompressed(
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Buffer.from(
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'9a0111ea397fe69a4b1ba7b6434bacd764774b84f38512bf6730d2a0f6b0f6241eabfffeb153ffffb9feffffffffaa',
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'hex'
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)
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)
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}).to.throw('Expected g1 compressed input to have 48 bytes');
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});
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it('deserialize incorrect point throws to many bytes', () => {
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expect(() => {
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G1point.fromBytesCompressed(
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Buffer.from(
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'9a0111ea397fe69a4b1ba7b6434bacd764774b84f38512bf6730d2a0f6b0f6241eabfffeb153ffffb9feffffffffaaa900',
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'hex'
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)
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)
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}).to.throw('Expected g1 compressed input to have 48 bytes');
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});
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it('deserialize infinity', () => {
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const g1 = G1point.fromBytesCompressed(
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Buffer.from(
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'c00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000',
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'hex'
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)
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);
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expect(g1.getPoint().is_infinity()).to.be.true
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});
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it('wrong infinity serialization', () => {
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expect(() => {
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G1point.fromBytesCompressed(
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Buffer.from(
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'e00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000',
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'hex'
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)
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)
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}).to.throw('The serialised input has B flag set, but A flag is set, or X is non-zero.');
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});
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});
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