chester/bitboard_test.go at main · bluescreen10/chester · GitHub

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package chester_test

import (
	"testing"

	"github.com/bluescreen10/chester"
)

func TestBitboardString(t *testing.T) {
	tests := []struct {
		name     string
		bb       chester.Bitboard
		expected string
	}{
		{
			name: "Empty bitboard",
			bb:   0,
			expected: "+---+---+---+---+---+---+---+---+\n" +
				"|   |   |   |   |   |   |   |   | 8 \n" +
				"+---+---+---+---+---+---+---+---+\n" +
				"|   |   |   |   |   |   |   |   | 7 \n" +
				"+---+---+---+---+---+---+---+---+\n" +
				"|   |   |   |   |   |   |   |   | 6 \n" +
				"+---+---+---+---+---+---+---+---+\n" +
				"|   |   |   |   |   |   |   |   | 5 \n" +
				"+---+---+---+---+---+---+---+---+\n" +
				"|   |   |   |   |   |   |   |   | 4 \n" +
				"+---+---+---+---+---+---+---+---+\n" +
				"|   |   |   |   |   |   |   |   | 3 \n" +
				"+---+---+---+---+---+---+---+---+\n" +
				"|   |   |   |   |   |   |   |   | 2 \n" +
				"+---+---+---+---+---+---+---+---+\n" +
				"|   |   |   |   |   |   |   |   | 1 \n" +
				"+---+---+---+---+---+---+---+---+\n" +
				"  a   b   c   d   e   f   g   h\n",
		},
		{
			name: "Single bit at a1",
			bb:   chester.BB_SQ_A1,
			expected: "+---+---+---+---+---+---+---+---+\n" +
				"|   |   |   |   |   |   |   |   | 8 \n" +
				"+---+---+---+---+---+---+---+---+\n" +
				"|   |   |   |   |   |   |   |   | 7 \n" +
				"+---+---+---+---+---+---+---+---+\n" +
				"|   |   |   |   |   |   |   |   | 6 \n" +
				"+---+---+---+---+---+---+---+---+\n" +
				"|   |   |   |   |   |   |   |   | 5 \n" +
				"+---+---+---+---+---+---+---+---+\n" +
				"|   |   |   |   |   |   |   |   | 4 \n" +
				"+---+---+---+---+---+---+---+---+\n" +
				"|   |   |   |   |   |   |   |   | 3 \n" +
				"+---+---+---+---+---+---+---+---+\n" +
				"|   |   |   |   |   |   |   |   | 2 \n" +
				"+---+---+---+---+---+---+---+---+\n" +
				"| X |   |   |   |   |   |   |   | 1 \n" +
				"+---+---+---+---+---+---+---+---+\n" +
				"  a   b   c   d   e   f   g   h\n",
		},
	}

	for _, test := range tests {
		t.Run(test.name, func(t *testing.T) {
			if got := test.bb.String(); got != test.expected {
				t.Errorf("Bitboard.String() failed\ngot:\n%s\nwant:\n%s", got, test.expected)
			}
		})
	}
}