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path: root/economy/coins_test.go
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package economy_test

import (
	"nonsense-time/economy"
	"testing"
)

func assert[T comparable](t *testing.T, expected T, actual T) bool {
	if expected != actual {
		t.Logf("expected %v != actual %v\n", expected, actual)
		t.Fail()
		return false
	}

	return true
}

func TestMoneyAdd(t *testing.T) {
	a := economy.Money{0, -1, -2, -3, -4}
	b := economy.Money{1, 2, 3, 4, 5}
	a.Add(b)

	pass := true
	pass = pass && assert(t, 1, a.Copper)
	pass = pass && assert(t, 1, a.Silver)
	pass = pass && assert(t, 1, a.Electrum)
	pass = pass && assert(t, 1, a.Gold)
	pass = pass && assert(t, 1, a.Platinum)
	if !pass {
		t.Logf("%+v\n", a)
	}

}

func TestMoneySubtract(t *testing.T) {
	a := economy.Money{1, 2, 3, 4, 5}
	b := economy.Money{0, 1, 2, 3, 4}

	a.Subtract(b)

	pass := true
	pass = pass && assert(t, 1, a.Copper)
	pass = pass && assert(t, 1, a.Silver)
	pass = pass && assert(t, 1, a.Electrum)
	pass = pass && assert(t, 1, a.Gold)
	pass = pass && assert(t, 1, a.Platinum)
	if !pass {
		t.Logf("%+v\n", a)
	}
}

func TestMoneyMult(t *testing.T) {
	a := economy.Money{1, 2, 3, 5, 7}
	b := economy.Money{11, 13, 17, 19, 23}

	t.Log("Testing positive multiplication")
	a.Multiply(b)

	pass := true
	pass = pass && assert(t, 11, a.Copper)
	pass = pass && assert(t, 26, a.Silver)
	pass = pass && assert(t, 51, a.Electrum)
	pass = pass && assert(t, 95, a.Gold)
	pass = pass && assert(t, 161, a.Platinum)
	if !pass {
		t.Logf("%+v\n", a)
	}
}

func TestMoneyValue(t *testing.T) {
	a := economy.Money{1, 1, 1, 1, 1}

	t.Log("Testing all positive coins")
	if !assert(t, 1161, a.Value()) {
		t.Log(a)
	}

	t.Log("Testing all negative coins")
	a = economy.Money{-1, -1, -1, -1, -1}
	if !assert(t, -1161, a.Value()) {
		t.Log(a)
	}

	t.Log("Testing mixed coins")
	a.Copper = 10
	a.Electrum = 2
	if !assert(t, -1000, a.Value()) {
		t.Log(a)
	}
}