package model

import "testing"

func TestExactMoney(t *testing.T) {
	for _, tc := range []struct {
		input     string
		minor     int64
		formatted string
	}{{"0", 0, "0.00"}, {"0.01", 1, "0.01"}, {"100000.10", 10000010, "100000.10"}, {"3.1", 310, "3.10"}, {"1000000000.00", 100000000000, "1000000000.00"}} {
		amount, err := ParseMoney(tc.input)
		if err != nil || amount != tc.minor || FormatMoney(amount) != tc.formatted {
			t.Fatalf("%s: amount=%d err=%v", tc.input, amount, err)
		}
	}
	for _, input := range []string{"-1", "1.001", "1e3", "NaN", " 1", "01", "1.", "1000000000.01", "999999999999999999999", ""} {
		if _, err := ParseMoney(input); err == nil {
			t.Fatalf("accepted invalid amount %q", input)
		}
	}
}