import { Parser, Grammar } from "nearley";
import grammar from "../../ts/nasl";


const testBoolean= `
logic testBoolean() {
    let bool : Bool

    let nl = null
    let b = true
    let b = false
}
`
const testBinary= `
logic testBinary() {
    let nl = null * 3
    let a = 2 + 3 * 5
    let b = 5 / 5
    let d = 10 % 2
}
`

const testComparison= `
logic testComparison() {
    let a = 11 > 2
    let b = f() < g()
    let c = f(true) <= g(false)
    let d = f(true) >= g(false)
    let e = f(true) != g(false)
    let f = f(true) == g(false)
}
`

const testBinaryMoreStr =`
logic testArith() => result {
    let variable1
    let variable2
    let variable3
    let variable4

    variable1 = (1 + 2) + 3
    variable2 = 1 - (2 - 3)
    variable3 = variable1 * variable2
    variable4 = variable3 / (variable3 % variable3)

    result = variable4
}`


describe('Test Logical Operations', () => {
    test('Logic Operation: booleans', async () => {
        const parser = new Parser(Grammar.fromCompiled(grammar));
        parser.feed(testBoolean);
        expect(parser.results.length).toBe(1);
    });

    test('Logic Operation: arith', async () => {
        const parser = new Parser(Grammar.fromCompiled(grammar));
        parser.feed(testBinary);
        expect(parser.results.length).toBe(1);
    });

    test('Logic Operation: comparison', async () => {
        const parser = new Parser(Grammar.fromCompiled(grammar));
        parser.feed(testComparison);
        expect(parser.results.length).toBe(1);
    });

    test('Logic Operation: more binary', async () => {
        const parser = new Parser(Grammar.fromCompiled(grammar));
        parser.feed(testBinaryMoreStr);
        expect(parser.results.length).toBe(1);
    });
});