{math.MaxInt64, 12, true},
		{0, 12, true},
		{math.MinInt64, 12, true},
	}

	for _, v := range vectors {
		ok := fitsInBase256(v.width, v.in)
		if ok != v.ok {
			t.Errorf("fitsInBase256(%d, %d): got %v, want %v", v.in, v.width, ok, v.ok)
		}
	}
}

func TestParseNumeric(t *testing.T) {
	vectors := []struct {
		in   string
		want int64
		ok   bool
	}{
		// Test base-256 (binary) encoded values.

	"hash/crc32"
	"internal/obscuretestdata"
	"io"
	"maps"
	"math"
	"os"
	"path"
	"reflect"
	"slices"
	"strconv"
	"strings"
	"testing"
	"time"
)

func TestReader(t *testing.T) {
	vectors := []struct {
		file     string    // Test input file
		obscured bool      // Obscured with obscuretestdata package
		headers  []*Header // Expected output headers

    BaseEncoding separated = base64().withSeparator("\n", 3);
    assertThrows(UnsupportedOperationException.class, () -> separated.withSeparator("$", 4));
  }

  public void testBase64() {
    // The following test vectors are specified in RFC 4648 itself
    testEncodingWithSeparators(base64(), "", "");
    testEncodingWithSeparators(base64(), "f", "Zg==");
    testEncodingWithSeparators(base64(), "fo", "Zm8=");

		return 0, testError{fmt.Errorf("got Seek(%d, %d), want Seek(%d, %d)", pos, whence, s, io.SeekCurrent)}
	}
	f.pos += s
	f.ops = f.ops[1:]
	return f.pos, nil
}

func TestSparseEntries(t *testing.T) {
	vectors := []struct {
		in   []sparseEntry
		size int64

		wantValid    bool          // Result of validateSparseEntries
		wantAligned  []sparseEntry // Result of alignSparseEntries

			ops     fileOps
			wantCnt int64
			wantErr error
		}
		testClose struct { // Close() == wantErr
			wantErr error
		}
		testFnc any // testHeader | testWrite | testReadFrom | testClose
	)

	vectors := []struct {
		file     string // Optional filename of expected output
		obscured bool   // Whether file is obscured
		tests    []testFnc
	}{{
		// The writer test file was produced with this command:

        assertFalse(Arrays.equals(signingKey, signingKey311), "Should be different from SMB 3.1.1 key");
    }

    @Test
    @DisplayName("Should derive keys with specific test vectors")
    void testDeriveKeys_TestVectors() {
        // Given - Use known test vector (simplified for demonstration)
        byte[] testSessionKey = new byte[16];
        Arrays.fill(testSessionKey, (byte) 0xAA);
        byte[] testPreauth = new byte[64];

        @DisplayName("Should decode various sector and allocation configurations")
        @CsvSource({ "1000, 500, 1, 512", // Minimal sectors per alloc
                "1000, 500, 8, 512", // Typical configuration
                "1000, 500, 64, 512", // Large allocation units
                "1000, 500, 8, 4096", // 4K sectors
                "1000, 500, 16, 4096", // Large sectors and allocation

        @DisplayName("Should decode various sector and allocation configurations")
        @CsvSource({ "1000, 500, 600, 1, 512", // Minimal sectors per alloc
                "1000, 500, 600, 8, 512", // Typical configuration
                "1000, 500, 600, 64, 512", // Large allocation units
                "1000, 500, 600, 8, 4096", // 4K sectors
                "1000, 500, 600, 16, 4096", // Large sectors and allocation

	VFWCVTXUFV	X10, V3				// ERROR "expected vector register in vs2 position"
	VFWCVTXFV	X10, V3				// ERROR "expected vector register in vs2 position"
	VFWCVTRTZXUFV	X10, V3				// ERROR "expected vector register in vs2 position"
	VFWCVTRTZXFV	X10, V3				// ERROR "expected vector register in vs2 position"
	VFWCVTFXUV	X10, V3				// ERROR "expected vector register in vs2 position"
	VFWCVTFXV	X10, V3				// ERROR "expected vector register in vs2 position"

	VLUXEI8V	(X10), V2, V1, V3		// ERROR "invalid vector mask register"
	VSUXEI8V	V3, V2, V1, (X10)		// ERROR "invalid vector mask register"
	VLOXEI8V	(X10), V2, V1, V3		// ERROR "invalid vector mask register"
	VSOXEI8V	V3, V2, V1, (X10)		// ERROR "invalid vector mask register"
	VLSEG2E8V	(X10), V1, V3			// ERROR "invalid vector mask register"
	VLSEG2E8FFV	(X10), V1, V3			// ERROR "invalid vector mask register"