// Copyright © 2016 Zellyn Hunter <zellyn@gmail.com>

package applesoft

import (
	"testing"

	"github.com/zellyn/diskii/lib/basic"
)

// helloBinary is a simple basic program used for testing. Listing
// below.
var helloBinary = []byte{
	0x11, 0x08, 0x0A, 0x00, 0xBA, 0x22, 0x04, 0x43, 0x41, 0x54, 0x41, 0x4C, 0x4F, 0x47, 0x22, 0x00,
	0x17, 0x08, 0x14, 0x00, 0xBA, 0x00, 0x25, 0x08, 0x1E, 0x00, 0xBA, 0x22, 0x48, 0x45, 0x4C, 0x4C,
	0x4F, 0x22, 0x3B, 0x00, 0x34, 0x08, 0x28, 0x00, 0xBA, 0x22, 0x2C, 0x20, 0x57, 0x4F, 0x52, 0x4C,
	0x44, 0x22, 0x00, 0x49, 0x08, 0x32, 0x00, 0x81, 0x49, 0xD0, 0x31, 0xC1, 0x34, 0x30, 0x3A, 0xBA,
	0x22, 0x2A, 0x22, 0x3B, 0x3A, 0x82, 0x49, 0x00, 0x6B, 0x08, 0x3C, 0x00, 0x81, 0x49, 0xD0, 0x31,
	0xC1, 0x31, 0x30, 0x3A, 0x81, 0x4A, 0xD0, 0x31, 0xC1, 0x49, 0x3A, 0xBA, 0x22, 0x20, 0x22, 0x3B,
	0x3A, 0x82, 0x3A, 0xBA, 0x22, 0x2A, 0x22, 0x3A, 0x82, 0x00, 0x98, 0x08, 0x46, 0x00, 0xB2, 0x22,
	0x54, 0x48, 0x49, 0x53, 0x20, 0x49, 0x53, 0x20, 0x41, 0x20, 0x54, 0x45, 0x53, 0x54, 0x20, 0x4F,
	0x46, 0x20, 0x41, 0x20, 0x4C, 0x4F, 0x4E, 0x47, 0x20, 0x4C, 0x49, 0x4E, 0x45, 0x20, 0x4F, 0x46,
	0x20, 0x54, 0x45, 0x58, 0x54, 0x22, 0x00, 0xEC, 0x08, 0x50, 0x00, 0xBA, 0x22, 0x54, 0x48, 0x49,
	0x53, 0x20, 0x49, 0x53, 0x20, 0x41, 0x20, 0x54, 0x45, 0x53, 0x54, 0x20, 0x4F, 0x46, 0x20, 0x41,
	0x4E, 0x20, 0x45, 0x56, 0x45, 0x4E, 0x20, 0x4C, 0x4F, 0x4E, 0x47, 0x45, 0x52, 0x20, 0x4C, 0x49,
	0x4E, 0x45, 0x20, 0x4F, 0x46, 0x20, 0x54, 0x45, 0x58, 0x54, 0x20, 0x54, 0x48, 0x41, 0x54, 0x20,
	0x49, 0x53, 0x20, 0x45, 0x56, 0x45, 0x4E, 0x20, 0x4D, 0x4F, 0x52, 0x45, 0x20, 0x54, 0x48, 0x41,
	0x4E, 0x20, 0x38, 0x30, 0x20, 0x43, 0x4F, 0x4C, 0x53, 0x22, 0x00, 0x04, 0x09, 0x5A, 0x00, 0xBA,
	0x22, 0x41, 0x4C, 0x4C, 0x20, 0x44, 0x4F, 0x4E, 0x45, 0x20, 0x54, 0x45, 0x53, 0x54, 0x49, 0x4E,
	0x47, 0x22, 0x00, 0x00, 0x00, 0x0A,
}

// helloListing is the text version of the basic program above. Note
// that there are trailing newlines on lines 20 and 60.
var helloListing = `10  PRINT "«ctrl-D»CATALOG"
20  PRINT 
30  PRINT "HELLO";
40  PRINT ", WORLD"
50  FOR I = 1 TO 40: PRINT "*";: NEXT I
60  FOR I = 1 TO 10: FOR J = 1 TO I: PRINT " ";: NEXT : PRINT "*": NEXT 
70  REM "THIS IS A TEST OF A LONG LINE OF TEXT"
80  PRINT "THIS IS A TEST OF AN EVEN LONGER LINE OF TEXT THAT IS EVEN MORE THAN 80 COLS"
90  PRINT "ALL DONE TESTING"
`

// TestParse tests the full parsing and output of a basic program from
// bytes.
func TestParse(t *testing.T) {
	listing, err := Decode(helloBinary, 0x801)
	if err != nil {
		t.Fatal(err)
	}
	text := basic.ChevronControlCodes(listing.String())
	if text != helloListing {
		t.Fatalf("Wrong listing; want:\n%s\ngot:\n%s", helloListing, text)
	}
}