import assertk.assertions.isEqualTo
import assertk.assertions.isFalse
import assertk.assertions.isTrue
import okio.Buffer
import okio.Source
import okio.Timeout
import okio.buffer
import org.junit.jupiter.api.Test

class IsProbablyUtf8Test {
  @Test fun isProbablyUtf8() {
    assertThat(Buffer().isProbablyUtf8(16L)).isTrue()
    assertThat(Buffer().writeUtf8("abc").isProbablyUtf8(16L)).isTrue()

import org.codelibs.core.exception.IORuntimeException;
import org.codelibs.core.net.URLUtil;
import org.codelibs.core.nio.ChannelUtil;
import org.codelibs.core.timer.TimeoutManager;

/**
 * Utility class for handling {@link File}.
 * <p>
 * <strong>SECURITY NOTE:</strong> When accepting file paths from untrusted sources,
 * always validate them using {@link #isPathSafe(Path, Path)} to prevent path traversal attacks.

			objsReturned++
		}
	}
	send := func(entry metaCacheEntry) error {
		objReturned(entry.metadata)
		select {
		case <-ctx.Done():
			return ctx.Err()
		case out <- entry:
		}
		return nil
	}

	// Fast exit track to check if we are listing an object with
	// a trailing slash, this will avoid to list the object content.

// @Ignore affects the Android test runner, which respects JUnit 4 annotations on JUnit 3 tests.
@SuppressWarnings("JUnit4ClassUsedInJUnit3")
@IgnoreJRERequirement // We opt into library desugaring for our tests.
public class MapComputeTester<K, V> extends AbstractMapTester<K, V> {
  @MapFeature.Require({SUPPORTS_PUT, SUPPORTS_REMOVE})
  public void testCompute_absentToPresent() {
    assertEquals(

@Ignore("test runners must not instantiate and run this directly, only via suites we build")
// @Ignore affects the Android test runner, which respects JUnit 4 annotations on JUnit 3 tests.
@SuppressWarnings("JUnit4ClassUsedInJUnit3")
public class MapComputeTester<K, V> extends AbstractMapTester<K, V> {
  @MapFeature.Require({SUPPORTS_PUT, SUPPORTS_REMOVE})
  public void testCompute_absentToPresent() {
    assertEquals(

          pos++ // Consume '"' open quote.
          val parameterStart = pos
          pos = value.indexOf('"', pos)
          parameter = value.substring(parameterStart, pos)
          pos++ // Consume '"' close quote (if necessary).
        } else {
          // Unquoted string.
          val parameterStart = pos
          pos = value.indexOfElement(",;", pos)
          parameter = value.substring(parameterStart, pos).trim()

import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.regex.Matcher;

import org.apache.maven.artifact.versioning.VersionRange;

/**
 * ArtifactUtils
 */
public final class ArtifactUtils {

    public static boolean isSnapshot(String version) {
        if (version != null) {
            if (version.regionMatches(
                    true,

    response.body.string()
    val cached = cacheGet(cache, request)
    if (shouldWriteToCache) {
      assertThat(cached).isNotNull()
      cached!!.body.close()
    } else {
      assertThat(cached).isNull()
    }
    server.close() // tearDown() isn't sufficient; this test starts multiple servers
  }

  private fun assertSubsequentResponseCached(
    initialResponseCode: Int,

        switch (form.crudMode) {
        case CrudMode.CREATE:
            final SynonymItem entity = new SynonymItem(0, StringUtil.EMPTY_STRINGS, StringUtil.EMPTY_STRINGS);
            return OptionalEntity.of(entity);
        case CrudMode.EDIT:
            if (form instanceof EditForm) {
                return ComponentUtil.getComponent(SynonymService.class).getSynonymItem(form.dictId, ((EditForm) form).id);
            }

Porém nós queremos poder parametrizar o conteúdo fixo.

## Uma instância "chamável" { #a-callable-instance }

Em Python existe uma maneira de fazer com que uma instância de uma classe seja um "chamável".

Não propriamente a classe (que já é um chamável), mas a instância desta classe.

Para fazer isso, nós declaramos o método `__call__`:

{* ../../docs_src/dependencies/tutorial011_an_py39.py hl[12] *}