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import {test, TestLib} from "testlib/talertest";
import {Amounts} from "./types";
import * as types from "./types";
let amt = (value: number, fraction: number, currency: string): types.AmountJson => ({value, fraction, currency});
test("amount addition (simple)", (t: TestLib) => {
let a1 = amt(1,0,"EUR");
let a2 = amt(1,0,"EUR");
let a3 = amt(2,0,"EUR");
t.assert(0 == types.Amounts.cmp(Amounts.add(a1, a2).amount, a3));
t.pass();
});
test("amount addition (saturation)", (t: TestLib) => {
let a1 = amt(1,0,"EUR");
let res = Amounts.add(Amounts.getMaxAmount("EUR"), a1);
t.assert(res.saturated);
t.pass();
});
test("amount subtraction (simple)", (t: TestLib) => {
let a1 = amt(2,5,"EUR");
let a2 = amt(1,0,"EUR");
let a3 = amt(1,5,"EUR");
t.assert(0 == types.Amounts.cmp(Amounts.sub(a1, a2).amount, a3));
t.pass();
});
test("amount subtraction (saturation)", (t: TestLib) => {
let a1 = amt(0,0,"EUR");
let a2 = amt(1,0,"EUR");
let res = Amounts.sub(a1, a2);
t.assert(res.saturated);
res = Amounts.sub(a1, a1);
t.assert(!res.saturated);
t.pass();
});
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