package versions

import "strings"

// A gover is a parsed Go gover: major[.Minor[.Patch]][kind[pre]]
// The numbers are the original decimal strings to avoid integer overflows
// and since there is very little actual math. (Probably overflow doesn't matter in practice,
// but at the time this code was written, there was an existing test that used
// go1.99999999999, which does not fit in an int on 32-bit platforms.

		ok = constConvertibleTo(T, &x.val)
		// A conversion from an integer constant to an integer type
		// can only fail if there's overflow. Give a concise error.
		// (go.dev/issue/63563)
		if !ok && isInteger(x.typ) && isInteger(T) {
			check.errorf(x, InvalidConversion, "constant %s overflows %s", x.val, T)
			x.mode = invalid
			return
		}
	case constArg && isTypeParam(T):
		// x is convertible to T if it is convertible

//
//	n == 0: buf too small
//	n  < 0: value larger than 64 bits (overflow)
//	        and -n is the number of bytes read
func Varint(buf []byte) (int64, int) {
	ux, n := Uvarint(buf) // ok to continue in presence of error
	x := int64(ux >> 1)
	if ux&1 != 0 {
		x = ^x
	}
	return x, n
}

var errOverflow = errors.New("binary: varint overflows a 64-bit integer")

//
// The length of both operands must be the same as the modulus. Both operands
// must already be reduced modulo m.
func (x *Nat) Add(y *Nat, m *Modulus) *Nat {
	overflow := x.add(y)
	x.maybeSubtractModulus(choice(overflow), m)
	return x
}

// montgomeryRepresentation calculates x = x * R mod m, with R = 2^(_W * n) and
// n = len(m.nat.limbs).
//

		if i > 0 {
			wantErr = io.ErrUnexpectedEOF
		}
		if x != 0 || err != wantErr {
			t.Errorf("ReadUvarint(%v): got x = %d, err = %s", buf, x, err)
		}
	}
}

// Ensure that we catch overflows of bytes going past MaxVarintLen64.
// See issue https://golang.org/issues/41185
func TestBufferTooBigWithOverflow(t *testing.T) {
	tests := []struct {
		in        []byte
		name      string
		wantN     int

	if err != nil {
		return Info{}, err
	}
	//nolint:unconvert
	devID := uint64(st.Dev) // Needed to support multiple GOARCHs
	info.Major = unix.Major(devID)
	info.Minor = unix.Minor(devID)

	// Check for overflows.
	// https://github.com/minio/minio/issues/8035
	// XFS can show wrong values at times error out
	// in such scenarios.
	if info.Free > info.Total {

  shape->reserve(input_shape.dim_size());
  auto& dims = input_shape.dim();
  for (auto& d : dims) {
    if (d.size() > std::numeric_limits<int64_t>::max()) {
      return errors::InvalidArgument("Shape element overflows");
    }
    shape->push_back(d.size() == kTFDynamicSize ? ShapedType::kDynamic
                                                : d.size());
  }
  return absl::OkStatus();
}

	const src = `package index; var s []byte; var _ = s[int64 /* ERRORx "int64\\(1\\) << 40 \\(.*\\) overflows int" */ (1) << 40]`
	testFiles(t, []string{"index.go"}, [][]byte{[]byte(src)}, false, withSizes(&StdSizes{4, 4}))
}

func TestIssue47243_TypedRHS(t *testing.T) {
	// The RHS of the shift expression below overflows uint on 32bit platforms,
	// but this is OK as it is explicitly typed.

     * might not run some of its listeners. The likely result is that the app will hang. (And of
     * course stack overflows are bad news in general. For example, we may have overflowed in the
     * middle of defining a class. If so, that class will never be loadable in this process.) The
     * best we can do (since logging may overflow the stack) is to let the error propagate. Because

	const src = `package index; var s []byte; var _ = s[int64 /* ERRORx "int64\\(1\\) << 40 \\(.*\\) overflows int" */ (1) << 40]`
	testFiles(t, []string{"index.go"}, [][]byte{[]byte(src)}, 0, false, withSizes(&StdSizes{4, 4}))
}

func TestIssue47243_TypedRHS(t *testing.T) {
	// The RHS of the shift expression below overflows uint on 32bit platforms,
	// but this is OK as it is explicitly typed.