column_index_internal_test.go

package parquet

import (
	"bytes"
	"testing"
)

func TestIncrementByteArrayInplace(t *testing.T) {
	testCases := [][]byte{
		{0x00, 0x01, 0x02, 0x03}, {0x00, 0x01, 0x02, 0x04},
		{0x00, 0x01, 0x02, 0xFF}, {0x00, 0x01, 0x03, 0x00},
		{0x00, 0x01, 0xFF, 0xFF}, {0x00, 0x02, 0x00, 0x00},
		{0xFF, 0xFF, 0xFF, 0xFF}, {0xFF, 0xFF, 0xFF, 0xFF},
	}

	for i := 0; i < len(testCases); i += 2 {
		input := testCases[i]
		expected := testCases[i+1]
		actual := copyBytes(input)
		incrementByteArrayInplace(actual)
		if !bytes.Equal(actual, expected) {
			t.Errorf("incrementByteArrayInplace(%v) = %v, want %v", input, actual, expected)
		}
	}
}