@AfterEach
  fun cleanup() {
    StrictMode.setThreadPolicy(
      ThreadPolicy
        .Builder()
        .permitAll()
        .build(),
    )
  }

  @Test
  fun testInit() {
    Platform.resetForTests()

    applyStrictMode()

    // Not currently safe
    // See https://github.com/square/okhttp/pull/8248
    OkHttpClient()

    assertThat(violations).hasSize(1)

 * limitations under the License.
 */

package gradlebuild.binarycompatibility

import org.gradle.kotlin.dsl.*
import org.gradle.testkit.runner.BuildResult
import org.gradle.testkit.runner.GradleRunner
import org.gradle.testkit.runner.UnexpectedBuildFailure
import org.hamcrest.Matcher
import org.hamcrest.MatcherAssert.assertThat
import org.hamcrest.Matchers
import org.intellij.lang.annotations.Language

      BigInteger halfEven = BigIntegerMath.sqrt(x, HALF_EVEN);
      // Now figure out what rounding mode we should behave like (it depends if FLOOR was
      // odd/even).
      boolean floorWasOdd = BigIntegerMath.sqrt(x, FLOOR).testBit(0);
      assertEquals(BigIntegerMath.sqrt(x, floorWasOdd ? HALF_UP : HALF_DOWN), halfEven);
    }
  }

  @GwtIncompatible // TODO
  @AndroidIncompatible // slow
  public void testDivNonZero() {

func TestCapWithSliceAndWrittenData(t *testing.T) {
	buf := NewBuffer(make([]byte, 0, 10))
	buf.Write([]byte("test"))
	n := buf.Cap()
	if n != 10 {
		t.Errorf("expected 10, got %d", n)
	}
}

func TestNil(t *testing.T) {
	var b *Buffer
	if b.String() != "<nil>" {
		t.Errorf("expected <nil>; got %q", b.String())
	}
}

func TestReadFrom(t *testing.T) {
	var buf Buffer
	for i := 3; i < 30; i += 3 {