package board

import (
	"math/rand"
	"testing"
	"time"
)

var testBoard = `~~~~~~~~▲▲▲~▲▲~~*~*~~**~*▲****▲▲***▲~▲***~~▲~~▲~▲~~~~~▲~
▲~~~~▲~~~~~~~~~~~▲▲▲*~▲▲*▲▲***▲*▲*~▲▲▲~**~▲~~~~~~~~~▲~▲~
~~~~~~~~~~▲~~~▲~▲~~**▲~~*~**▲▲**▲~*▲~***▲▲~▲~~~~~▲~~~▲▲~
~~▲~~~~~~▲~~~~▲▲*~~*▲~****▲▲*****▲*~****▲▲~▲~~~~~▲~~~~~~
~▲~~~~~▲▲~~~~~~~~▲▲~~▲*▲*~*▲▲****▲*▲**~**~~~▲~~~~~~~~~~~
~~▲~~▲▲▲~~~~~▲~▲~*~******▲▲*▲*****~*~~***~~~~~▲~~~~~~~~~
▲~~~~~~~~▲▲~▲~~▲▲****~~**~***▲****▲*~~~*~~▲~▲~▲~~~~~~▲▲▲
▲~~~~~~~~▲~~~~~~~**~***▲**~**~~****~*▲*~~~~▲~~▲~~~~~~~~~
~~▲~▲~~▲~~~~~~~~~***▲**********~~**▲***~*~~~▲▲~~~▲~~▲~~▲
▲~~~~~▲~~~~▲~▲~~*~*~~*******▲***▲**▲▲*~~~~~~▲~▲~~~~~▲▲~~
~▲~~~~~~~~~▲~~~~****▲~*▲**▲****▲▲**~*▲***~~▲▲~▲▲▲~~~~▲~~
~▲~▲~~~~~▲~~~~~▲**▲**~*~▲*~***▲▲*~*▲***~~~~~~~~~~~~~~~~~
~▲~~▲~~~▲~▲~▲~~▲*~~▲*~▲**▲▲***▲▲**~*~**~~~~▲▲▲▲~~~~~~~~~
▲~▲~~▲▲~~▲~~~▲~~~~********▲▲▲▲***▲*~***▲▲~~~~▲~~~~~~~▲~~
~▲~~~~▲▲~~~~~▲~~▲*~*▲▲*▲****▲▲******▲*~~*~~~~▲~~~~~~~▲~~
~~~~~~~~~~~~~~▲▲~▲~******▲*▲*▲**~*~*~**~*~~~~~~~~▲▲~~~~▲
~~▲▲~~~~~~~~~~~▲***▲~*▲**▲*~***▲*********~~~~▲▲~~~~~▲~~~
~~▲~~~~~~▲▲▲~~~~*~~▲~*~▲*▲*▲*****▲**▲~*▲*~▲~~~~▲▲~▲~~~~~
~~~~~~▲~~~▲▲~~~~*▲▲**~**▲*▲*▲***▲**▲*****~~~~▲~~~~~~~▲~~
~~▲~~~~▲~~~~~▲~~~*~********▲**▲*~*▲*▲**▲~~~~~~~~~~~~~~▲~
~~~~~~~~~~~~~~▲~*~*~~****~~**▲*****▲**~*~~~▲~▲~~▲~~~▲~~▲
~▲~~~▲~▲▲~~~~~~~~*~**~~*▲**▲*▲▲***~******~▲~~~~~~▲~~~~~~
~~~~~~~~▲~~~~~~~~*▲**▲*▲***▲▲**▲~***~▲*~*~~▲~~~~~▲~~~~~~
~~~~▲~▲~~▲~~▲▲~~**~▲*******~***~▲~**~*~~▲~~~~~~~~▲~~~~~~
~~▲~~~~~~~~~~~~~**~▲**~***~**▲***▲*~*▲▲*~~~~▲▲~~~~~~~▲~~
~~~~▲~~~▲~~▲▲~▲~▲▲*▲*▲*▲**▲**▲*~******▲*▲▲~~~~~~~~~~~▲~~
~~~▲~~~~~~~~~~~~*~~▲▲▲▲▲*******~**▲▲*~▲*~~~~~~~~~~▲~~~▲~
▲~~~~~~▲~~~~▲~~~*▲▲▲****▲▲****▲***▲~▲▲▲*▲~~~~~~~~▲~~~~~~
~~~~~▲~▲~~~~~~~~*~~*****▲********~~~~▲**~~~▲▲~~~~▲~~~~~~
~~▲~~~▲~~~▲~~▲~▲▲▲******▲*******▲***▲▲***~~~~~~~~~~~▲~▲~
~▲~▲~~~~~~▲~~~~▲*~~***~~~*****▲**▲~*~*~~~~▲▲~~~~~~▲~~~~~
~~~▲~~~~~~~~~~~~~▲**~*~*▲*▲▲**▲~▲*****▲**▲~~~~~~▲~~▲~~~▲
▲~▲~~~▲~▲▲▲~~~~▲~*~▲~~▲▲▲**▲********▲***~~~~~▲~~~▲~~~~~~
~~~~▲~~~~~~▲~~~~~▲~*▲*▲*******▲**▲**▲~~*~~▲~~~~~~~~~▲▲~~
▲~▲~▲~~▲▲~~~~~~~~▲~**▲******▲********▲~**~▲▲~~~~▲▲~~▲~~▲
`

func TestNewBoard(t *testing.T) {
	r := rand.New(rand.NewSource(0))
	b := newBoard(56, 35, r)

	if testBoard != b.String() {
		t.Fatalf("Incorrect board:\n %v", b)
	}

}

func BenchmarkNew(b *testing.B) {
	for i := 0; i < b.N; i++ {
		New(56, 35)
	}
}

func BenchmarkRnd(b *testing.B) {

	for i := 0; i < b.N; i++ {
		for j := 0; j < 50*50; j++ {
			rand.Intn(10)
		}
	}
}

func BenchmarkR(b *testing.B) {
	r := rand.New(rand.NewSource(time.Now().UnixNano()))

	for i := 0; i < b.N; i++ {
		for j := 0; j < 50*50; j++ {
			r.Intn(10)
		}
	}
}