_, err := os.Stat(c.tempDir)
		nonExistent = os.IsNotExist(err)
		if err != nil && !nonExistent {
			c.Fatalf("TempDir: %v", err)
		}
	}

	if nonExistent {
		c.Helper()

		// Drop unusual characters (such as path separators or
		// characters interacting with globs) from the directory name to
		// avoid surprising os.MkdirTemp behavior.
		mapper := func(r rune) rune {
			if r < utf8.RuneSelf {

  // Instead, use the TEST or TEST_F macro.
  virtual void TestBody() = 0;

  // Sets up, executes, and tears down the test.
  void Run();

  // Deletes self.  We deliberately pick an unusual name for this
  // internal method to avoid clashing with names used in user TESTs.
  void DeleteSelf_() { delete this; }

  // Uses a GTestFlagSaver to save and restore all Google Test flags.

		// This indicates a user requested -linkmode=external.
		// The startup code uses an import of runtime/cgo to decide
		// whether to initialize the TLS.  So give it one. This could
		// be handled differently but it's an unusual case.
		if lib := loadinternal(ctxt, "runtime/cgo"); lib != nil && lib.Shlib == "" {
			if ctxt.BuildMode == BuildModeShared || ctxt.linkShared {
				Exitf("cannot implicitly include runtime/cgo in a shared library")
			}

		expectedFirstNarrower bool
	}{
		{
			name:                  "Check narrowness of masks with unequal bits set 1/2",
			firstMask:             []int{0},
			secondMask:            []int{0, 1},
			expectedFirstNarrower: true,
		},
		{
			name:                  "Check narrowness of masks with unequal bits set 2/2",
			firstMask:             []int{0, 1},
			secondMask:            []int{0},

 * equal or unequal option names.
 * </p>
 * <p>
 * When the option names are equal, the description and method linked to the option will be the one in the
 * base class (if present), followed by super-classes, and finally interfaces, in an unspecified order.
 * </p>
 * <p>
 * When the option names are unequal, the order described above is used when setting the option's value.

//     Output: object_data
//
// ### SSE-S3 and KMS
//
// SSE-S3 requires that the KMS provides two functions:
//
//  1. Generate(KeyID) -> (Key, EncKey)
//
//  2. Unseal(KeyID, EncKey) -> Key
//
//  1. Encrypt:
//     Input: KeyID, bucket, object, metadata, object_data
//     -     Key, EncKey := Generate(KeyID)
//     -              IV := Random({0,1}²⁵⁶)

// license that can be found in the LICENSE file.

//go:build wasm

package cpu

// We're compiling the cpu package for an unknown (software-abstracted) CPU.
// Make CacheLinePad an empty struct and hope that the usual struct alignment
// rules are good enough.

const cacheLineSize = 0

func initOptions() {}

		want   bool
	}{
		{
			"both nil",
			nil,
			nil,
			true,
		},
		{
			"unequal length",
			New("test"),
			New("test", "test1"),
			false,
		},
		{
			"equal sets",
			New("test", "test1"),
			New("test", "test1"),
			true,
		},
		{
			"unequal sets",
			New("test", "test1"),
			New("test", "test2"),
			false,
		},
	}
	for _, tt := range tests {

	}
	copy(sealedKey.Key[:], encryptedKey.Bytes())
	return sealedKey
}

// Unseal decrypts a sealed key using the 256 bit external key. Since the sealed key
// may be cryptographically bound to the object's path the same bucket/object as during sealing
// must be provided. On success the ObjectKey contains the decrypted sealed key.
func (key *ObjectKey) Unseal(extKey []byte, sealedKey SealedKey, domain, bucket, object string) error {

		~uint | ~uint8 | ~uint16 | ~uint32 | ~uint64 | ~uintptr |
		~float32 | ~float64 |
		~complex64 | ~complex128
}

func DotProduct[T Numeric](s1, s2 []T) T {
	if len(s1) != len(s2) {
		panic("DotProduct: slices of unequal length")
	}
	var r T
	for i := range s1 {
		r += s1[i] * s2[i]
	}
	return r
}

// NumericAbs matches numeric types with an Abs method.
type NumericAbs[T any] interface {
	Numeric

	Abs() T