package parser_test

import (
	"testing"

	"github.com/mmakaay/toml/parser"
)

func TestEmptyInput(t *testing.T) {
	runStatesT(t, statesT{"empty string", "", "", ""})
}

func TestErrorsIncludeLineAndRowPosition(t *testing.T) {
	_, err := parser.NewParser("# 12345 abcde\t\n\n\n# 67890\r\n# 12345\xbc").ToArray()
	t.Logf("Got error: %s", err.Error())
	if err.Row != 4 {
		t.Errorf("Unexpected line number: %d (expected %d)", err.Row, 4)
	}
	if err.Column != 6 {
		t.Errorf("Unexpected line position: %d (expected %d)", err.Column, 6)
	}
}

func TestInvalidUtf8Data(t *testing.T) {
	runStatesTs(t, []statesT{
		{"inside comment", "# \xbc", "", "invalid UTF8 character in input (expected comment contents)"},
		{"bare key 1", "\xbc", "", "invalid UTF8 character in input (expected end of file)"},
		{"bare key 2", "key\xbc", "[key]", "invalid UTF8 character in input (expected a value assignment)"},
		{"start of value", "key=\xbc", "[key]=", "invalid UTF8 character in input (expected a value)"},
		{"basic string value", "a=\"\xbc\"", "[a]=", "invalid UTF8 character in input (expected string contents)"},
	})
}

func TestWhiteSpaceAndNewlines(t *testing.T) {
	runStatesTs(t, []statesT{
		{"space", " ", "", ""},
		{"tab", "\t", "", ""},
		{"newline", "\n", "", ""},
		{"carriage return", "\r", "", ""},
		{"all whitespace and newlines", " \t \t \r\r\n\n  \n \t", "", ""},
	})
}