// Check that secure nonces provide full diversity (entire nonce is random)
            String nonceHex = bytesToHex(nonce);
            nonceSet.add(nonceHex);
        }

        // Verify that secure nonces provide excellent diversity
        // With 100 nonces and 16 random bytes, we should have all unique nonces
        assertEquals(100, nonceSet.size(), "Secure nonces should all be unique");

// Trivial collisions are avoided, but this is by no means a strong hash.
func hashDeterministicString(m map[string]string) uint64 {
	// Seed (random)
	crc := uint64(0xc2b40bbac11a7295)
	// Xor each value to make order independent
	for k, v := range m {
		// Separate key and value with an individual xor with a random number.
		// Add values of each, so they cannot be trivially collided.

    byte[] expectedBytes = new byte[size];
    byte[] bytes = newPreFilledByteArray(1024);

    // Setup
    File file = createTempFile();
    Files.write(bytes, file);

    Random random = new Random();
    random.nextBytes(expectedBytes);

    // Test
    MappedByteBuffer map = Files.map(file, MapMode.READ_WRITE);
    map.put(expectedBytes);

    // Verify

        this(new SecureRandom(), DEFAULT_HASH_ALGORITHM, true);
    }

    /**
     * Constructs a PreauthIntegrityService with specified configuration.
     *
     * @param secureRandom the secure random generator
     * @param hashAlgorithm the hash algorithm to use
     * @param enforceIntegrity whether to enforce integrity checks
     */

func (m *Man) BeforeUpdate(tx *gorm.DB) (err error) {
	if !tx.Statement.Changed("age") {
		return nil
	}
	return nil
}

func TestSubModel(t *testing.T) {
	man := Man{Age: 18, Name: "random-name"}
	if err := DB.Create(&man).Error; err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	if err := DB.Model(&man).Where("id = ?", man.ID).Updates(struct {
		Age int
	}{Age: 20}).Error; err != nil {

	}{
		{"shastring", "", "shastring"},
		{emptySHA256, "", emptySHA256},
		{"", "", emptySHA256},
		{"", "X-Amz-Credential=random", unsignedPayload},
		{"", "X-Amz-Credential=random&X-Amz-Content-Sha256=" + unsignedPayload, unsignedPayload},
		{"", "X-Amz-Credential=random&X-Amz-Content-Sha256=shastring", "shastring"},
	}

	for i, testCase := range testCases {

                synchronized (this) {
                    ltime = System.currentTimeMillis();
                    wait();
                }

                try {
                    final double r = Math.random();
                    if (r < 0.333) {
                        f.exists();
                        //                      System.out.print('e');
                    } else if (r < 0.667) {

        failureConditions {
            // JavaExecDebugIntegrationTest.debug session fails without debugger might cause JVM crash
            // Some soak tests produce OOM exceptions
            // There are also random worker crashes for some tests.
            // We have test-retry to handle the crash in tests
            javaCrash = false
        }
    })

private fun determineFlakyTestStrategy(stage: Stage): String {

     * Round-robin selection through available channels
     */
    ROUND_ROBIN,

    /**
     * Select the least busy channel based on pending operations
     */
    LEAST_LOADED,

    /**
     * Weighted random selection based on channel scores
     */
    WEIGHTED_RANDOM,

    /**
     * Affinity-based selection for related operations
     */
    AFFINITY_BASED,

    /**

    ArbitraryInstances.get(Stopwatch.class).start();
    assertNotNull(ArbitraryInstances.get(Ticker.class));
    assertFreshInstanceReturned(Random.class);
    assertEquals(
        ArbitraryInstances.get(Random.class).nextInt(),
        ArbitraryInstances.get(Random.class).nextInt());
  }

  public void testGet_concurrent() {
    assertTrue(ArbitraryInstances.get(BlockingDeque.class).isEmpty());