package parser_test

import (
	"testing"

	parser "git.makaay.nl/mauricem/go-toml"
)

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

func TestErrorFullIncludesLineAndRowPosition(t *testing.T) {
	p := parser.NewParser("# 12345 abcde\t\n\n\n# 67890\r\n# 12345\n   +")
	_, err := parseItemsToArray(p)
	actual := err.ErrorFull()
	expected := "unexpected character '+' (expected end of file) after line 6, column 3"
	if actual != expected {
		t.Errorf("Unexpected error message:\nexpected: %s\nactual: %s\n", expected, actual)
	}
}

func TestInvalidUTF8Data(t *testing.T) {
	runStatesTs(t, []statesT{
		{"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", "", ""},
		{"all whitespace and newlines", " \t \t \r\n\n  \n \t", "", ""},
		{"bare carriage return", "\r", "", "unexpected character '\\r' (expected end of file)"},
	})
}