package qr

import (
	"bytes"
	"testing"
)

func Test_AutomaticEncoding(t *testing.T) {
	tests := map[string]encodeFn{
		"0123456789":                                         Numeric.getEncoder(),
		"ALPHA NUMERIC":                                      AlphaNumeric.getEncoder(),
		"unicode encoing":                                    Unicode.getEncoder(),
		"very long unicode encoding" + makeString(3000, "A"): nil,
	}

	for str, enc := range tests {
		testValue, _, _ := Auto.getEncoder()(str, M)
		if enc != nil {
			correctValue, _, _ := enc(str, M)
			if testValue == nil || bytes.Compare(correctValue.GetBytes(), testValue.GetBytes()) != 0 {
				t.Errorf("wrong encoding used for '%s'", str)
			}
		} else {
			if testValue != nil {
				t.Errorf("wrong encoding used for '%s'", str)
			}
		}

	}
}