package langext

import (
	"git.blackforestbytes.com/BlackForestBytes/goext/tst"
	"testing"
)

func TestFormatBoolTrue(t *testing.T) {
	tst.AssertEqual(t, FormatBool(true, "yes", "no"), "yes")
}

func TestFormatBoolFalse(t *testing.T) {
	tst.AssertEqual(t, FormatBool(false, "yes", "no"), "no")
}

func TestConditional(t *testing.T) {
	tst.AssertEqual(t, Conditional(true, 1, 2), 1)
	tst.AssertEqual(t, Conditional(false, 1, 2), 2)
	tst.AssertEqual(t, Conditional(true, "a", "b"), "a")
	tst.AssertEqual(t, Conditional(false, "a", "b"), "b")
}

func TestConditionalFn00(t *testing.T) {
	tst.AssertEqual(t, ConditionalFn00(true, 10, 20), 10)
	tst.AssertEqual(t, ConditionalFn00(false, 10, 20), 20)
}

func TestConditionalFn10Lazy(t *testing.T) {
	called := false
	v := ConditionalFn10(false, func() int {
		called = true
		return 1
	}, 99)
	tst.AssertEqual(t, v, 99)
	tst.AssertEqual(t, called, false)

	v = ConditionalFn10(true, func() int {
		called = true
		return 1
	}, 99)
	tst.AssertEqual(t, v, 1)
	tst.AssertEqual(t, called, true)
}

func TestConditionalFn01Lazy(t *testing.T) {
	called := false
	v := ConditionalFn01(true, 1, func() int {
		called = true
		return 99
	})
	tst.AssertEqual(t, v, 1)
	tst.AssertEqual(t, called, false)

	v = ConditionalFn01(false, 1, func() int {
		called = true
		return 99
	})
	tst.AssertEqual(t, v, 99)
	tst.AssertEqual(t, called, true)
}

func TestConditionalFn11Lazy(t *testing.T) {
	calledT := false
	calledF := false

	v := ConditionalFn11(true,
		func() int { calledT = true; return 1 },
		func() int { calledF = true; return 2 },
	)
	tst.AssertEqual(t, v, 1)
	tst.AssertEqual(t, calledT, true)
	tst.AssertEqual(t, calledF, false)

	calledT = false
	calledF = false

	v = ConditionalFn11(false,
		func() int { calledT = true; return 1 },
		func() int { calledF = true; return 2 },
	)
	tst.AssertEqual(t, v, 2)
	tst.AssertEqual(t, calledT, false)
	tst.AssertEqual(t, calledF, true)
}