But first, let's check some small concepts.

## In a hurry? { #in-a-hurry }

If you don't care about any of these terms and you just need to add security with authentication based on username and password *right now*, skip to the next chapters.

## OAuth2 { #oauth2 }

  public void testSplitterIterableIsLazy_pattern() {
    if (!CommonPattern.isPcreLike()) {
      return;
    }
    assertSplitterIterableIsLazy(Splitter.onPattern(","));
  }

  /**
   * This test really pushes the boundaries of what we support. In general the splitter's behaviour
   * is not well defined if the char sequence it's splitting is mutated during iteration.
   */

        assertTrue(stackTrace.length > 0);

        // Verify the top of the stack trace contains this test method
        boolean foundTestMethod = false;
        for (StackTraceElement element : stackTrace) {
            if (element.getMethodName().equals("test_stackTracePresence")) {
                foundTestMethod = true;
                break;
            }
        }
        assertTrue(foundTestMethod);
    }

    assertTrue(
        "Expected: \n" + Arrays.toString(expected) + "\nActual:\n" + Arrays.toString(actual),
        Arrays.equals(expected, actual));
  }

  static int advanceOneBit(int next) {
    if ((next & 1) != 0) {
      return (next >>> 1) ^ CRC32C_GENERATOR_FLIPPED;
    } else {
      return next >>> 1;
    }
  }

  public void testCrc32cStrideTable() {
    int next = CRC32C_GENERATOR_FLIPPED;

        // Set default for tests
        jcifs.smb1.Config.setProperty("jcifs.smb1.smb.lmCompatibility", "3");
    }

    @AfterAll
    static void tearDownClass() {
        // Restore original property
        if (originalLmCompatibility != null) {
            jcifs.smb1.Config.setProperty("jcifs.smb1.smb.lmCompatibility", originalLmCompatibility);
        } else {
            System.clearProperty("jcifs.smb1.smb.lmCompatibility");

# Alternatives, Inspiration and Comparisons { #alternatives-inspiration-and-comparisons }

What inspired **FastAPI**, how it compares to alternatives and what it learned from them.

## Intro { #intro }

**FastAPI** wouldn't exist if not for the previous work of others.

There have been many tools created before that have helped inspire its creation.

        String expectedType = "Bearer";
        String expectedMessage = "Token has expired";

        // Simulate a token validation scenario
        boolean tokenValid = false;
        if (!tokenValid) {
            exception = new InvalidAccessTokenException(expectedType, expectedMessage);
        }

        assertNotNull(exception);
        assertEquals(expectedType, exception.getType());

            assertNull(sslSocketFactory);

        } catch (IOException e) {
            fail("Failed to create test certificate file: " + e.getMessage());
        } finally {
            if (invalidCertFile != null && invalidCertFile.exists()) {
                invalidCertFile.delete();
            }
        }
    }

    public void test_init_withNonExistentSSLCertificate() {

    expectContents(expected);
  }

  private void replaceValue(List<Entry<K, V>> expected, Entry<K, V> newEntry) {
    for (ListIterator<Entry<K, V>> i = expected.listIterator(); i.hasNext(); ) {
      if (Helpers.equal(i.next().getKey(), newEntry.getKey())) {
        i.set(newEntry);
        return;
      }
    }

    throw new IllegalArgumentException(

   * exceptions thrown from the test do not cause this check to fail.
   */
  @RegisterExtension
  val noDataLeftBehind =
    AfterEachCallback { context: ExtensionContext ->
      if (context.executionException.isPresent) return@AfterEachCallback
      assertThat(data.readByteString().hex(), "Data not empty")
        .isEqualTo("")
    }