71 lines
1.8 KiB
JavaScript
71 lines
1.8 KiB
JavaScript
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const chai = require("chai");
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const bigInt = require("../src/bigint.js");
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const ZqField = require("../src/zqfield.js");
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const RatZqField = require("../src/ratzqfield.js");
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const q = bigInt("21888242871839275222246405745257275088548364400416034343698204186575808495617");
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const Z = new ZqField(q);
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const R = new RatZqField(Z);
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const assert = chai.assert;
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function r(a,b) {
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return [bigInt(a), bigInt(b)];
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}
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describe("Rational zq Field", () => {
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it("Should compare correctly", () => {
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assert( R.equals(r(3,5), r(6,10)));
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assert(!R.equals(r(3,5), r(6,11)));
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});
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it("Should add correctly", () => {
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const a = r(7,4);
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const b = r(5,12);
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assert(R.equals( R.add(a,b), r(13, 6)));
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});
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it("Should substract", () => {
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const a = r(7,4);
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const b = r(5,12);
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assert(R.equals( R.sub(a,b), r(4, 3)));
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});
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it("Should multiply", () => {
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const a = r(7,4);
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const b = r(5,12);
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assert(R.equals( R.mul(a,b), r(35, 48)));
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});
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it("Should div", () => {
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const a = r(7,4);
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const b = r(5,12);
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assert(R.equals( R.div(a,b), r(7*12, 5*4)));
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});
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it("Should square", () => {
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const a = r(7,4);
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assert(R.equals( R.square(a), r(49, 16)));
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});
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it("Should affine", () => {
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const a = r(12,4);
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const aa = R.affine(a);
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assert(Z.equals( aa[0], bigInt(3)));
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assert(Z.equals( aa[1], Z.one));
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});
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it("Should convert from Z to R", () => {
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const vz = bigInt(34);
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const vr = R.fromF(vz);
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assert(R.equals( vr, r(34,1)));
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});
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it("Should convert from R to Z", () => {
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const vr = r(32, 2);
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const vz = R.toF(vr);
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assert(Z.equals( vz, bigInt(16)));
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});
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});
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