package tokenize_test

import (
	"fmt"
	"strings"
	"testing"

	"git.makaay.nl/mauricem/go-parsekit/tokenize"
)

func ExampleToken() {
	t0 := tokenize.Token{}

	t1 := tokenize.Token{
		Type:  "Number",
		Value: 224,
	}

	const TName = 1

	t2 := tokenize.Token{
		Type:  TName,
		Value: "John",
	}

	t3 := tokenize.Token{
		Value: 42,
	}

	fmt.Printf("%s\n%s\n%s\n%s\n", t0, t1, t2, t3)

	// Output:
	// ()
	// Number((int)224)
	// 1((string)John)
	// ((int)42)
}

func TestSetResult_AcceptsVariousTypesAsInput(t *testing.T) {
	i := tokenize.NewAPI(strings.NewReader("Testing"))
	i.Result().SetRunes("string")
	AssertEqual(t, "string", string(i.Result().String()), "i.Result() with string input")
	i.Result().SetRunes([]rune("rune slice"))
	AssertEqual(t, "rune slice", string(i.Result().String()), "i.Result() with rune slice input")
	i.Result().SetRunes('X')
	AssertEqual(t, "X", string(i.Result().String()), "i.Result() with rune input")
}

func TestSetResult_PanicsOnUnhandledInput(t *testing.T) {
	AssertPanic(t, PanicT{
		Function: func() {
			i := tokenize.NewAPI(strings.NewReader("Testing"))
			i.Result().SetRunes(1234567)
		},
		Regexp: true,
		Expect: `tokenize\.Result\.SetRunes\(\): unsupported type 'int' used at /.*/result_test.go:\d+`,
	})
}