boolean-expressions/dist/tests/extractVariables.test.js

Boolean expression parser and evaluator. Makes use of the Ohm grammar package with grammar rules found [here](https://github.com/avadavat/boolean-expressions/blob/master/src/grammar/grammarRules.ts).

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var util_1 = require("../util");
describe("extractVariables tests", function () {
    var exp1 = "p AND q";
    it("extracts [p, q] from \"" + exp1 + "\"", function () {
        expect(util_1.extractVariables(exp1)).toEqual(["p", "q"]);
    });
    var exp2 = "p AND q OR r";
    it("extracts [p, q, r] from \"" + exp2 + "\"", function () {
        expect(util_1.extractVariables(exp2)).toEqual(["p", "q", "r"]);
    });
    var exp3 = " ( p AND (q OR r))";
    it("extracts [p, q, r] from \"" + exp3 + "\"", function () {
        expect(util_1.extractVariables(exp3)).toEqual(["p", "q", "r"]);
    });
    var exp4 = " ( p AND (q OR r) AND p OR q)";
    it("extracts [p, q, r] from \"" + exp4 + "\"", function () {
        expect(util_1.extractVariables(exp4)).toEqual(["p", "q", "r"]);
    });
    var exp5 = " ( p xor (q OR r) xor p OR q)";
    it("extracts [p, q, r] from \"" + exp5 + "\"", function () {
        expect(util_1.extractVariables(exp5)).toEqual(["p", "q", "r"]);
    });
});