package chroma

import (

	"testing"

	assert "github.com/alecthomas/assert/v2"

)

func TestCoalesce(t *testing.T) {

	lexer := Coalesce(mustNewLexer(t, nil, Rules{ // nolint: forbidigo

		"root": []Rule{

			{`[!@#$%^&*()]`, Punctuation, nil},

		},

	}))

	actual, err := Tokenise(lexer, nil, "!@#$")

	assert.NoError(t, err)

	expected := []Token{{Punctuation, "!@#$"}}

	assert.Equal(t, expected, actual)

}