assertEqualCharNodes(traverser.breadthFirst(charactersOf("bc")), "bcd");
    assertEqualCharNodes(traverser.breadthFirst(charactersOf("a")), "abcd");
    assertEqualCharNodes(traverser.breadthFirst(charactersOf("acdb")), "acdb");
    assertEqualCharNodes(traverser.breadthFirst(charactersOf("db")), "db");
  }

  @Test
  public void forGraph_breadthFirst_multiGraph() {

for whichever features you need:

```
OkHttpDebugLogging.enableHttp2()
OkHttpDebugLogging.enableTaskRunner()
```

### Activating on Android

```
$ adb shell setprop log.tag.okhttp.Http2 DEBUG
$ adb shell setprop log.tag.okhttp.TaskRunner DEBUG
$ adb logcat '*:E' 'okhttp.Http2:D' 'okhttp.TaskRunner:D'
```

### HTTP/2 Frame Logging

This logs inbound (`<<`) and outbound (`>>`) frames for HTTP/2 connections.

```

```

2. Run an Emulator using Android Studio or from command line.

```
$ emulator -no-window -no-snapshot-load @pixel5
```

2. Turn on logs with logcat

```
$ adb logcat '*:E' OkHttp:D Http2:D TestRunner:D TaskRunner:D OkHttpTest:D GnssHAL_GnssInterface:F DeviceStateChecker:F memtrack:F
...

```

2. Run an Emulator using Android Studio or from command line.

```
$ emulator -no-window -no-snapshot-load @pixel5
```

2. Turn on logs with logcat

```
$ adb logcat '*:E' OkHttp:D Http2:D TestRunner:D TaskRunner:D OkHttpTest:D GnssHAL_GnssInterface:F DeviceStateChecker:F memtrack:F
...

  },
  {
    "comment": "IDNA ignored code points",
    "input": "a\u00ADb",
    "output": "ab"
  },
  {
    "input": "a%C2%ADb",
    "output": "ab"
  },
  {
    "comment": "Empty host after domain to ASCII",
    "input": "\u00AD",
    "output": null
  },
  {
    "input": "%C2%AD",
    "output": null
  },
  {

        }
    }

    @Nested
    @DisplayName("Constants Tests")
    class ConstantsTests {

        @Test
        @DisplayName("Should define correct ACB (Account Control Block) constants")
        void testACBConstants() {
            // Verify all ACB constants
            assertEquals(1, samr.ACB_DISABLED);
            assertEquals(2, samr.ACB_HOMDIRREQ);
            assertEquals(4, samr.ACB_PWNOTREQ);

        run: ./gradlew :android-test:test

      - name: AVD cache
        uses: actions/cache@v5
        id: avd-cache
        with:
          path: |
            ~/.android/avd/*
            ~/.android/adb*
          key: avd-${{ matrix.api-level }}

      - name: Create AVD and generate snapshot for caching
        if: steps.avd-cache.outputs.cache-hit != 'true'
        uses: reactivecircus/android-emulator-runner@v2

        }
    }

    @Nested
    @DisplayName("Constants Tests")
    class ConstantsTests {

        @Test
        @DisplayName("Should define correct ACB (Account Control Block) constants")
        void testACBConstants() {
            // Verify all ACB constants
            assertEquals(1, samr.ACB_DISABLED);
            assertEquals(2, samr.ACB_HOMDIRREQ);
            assertEquals(4, samr.ACB_PWNOTREQ);

        .execute()

    response.use {
      assertEquals(200, response.code)
      assertEquals(Protocol.HTTP_2, response.protocol)
    }

    // Only logs to the test logger above
    // Will fail if "adb shell setprop log.tag.okhttp.Http2 DEBUG" is called
    assertEquals(setOf(OkHttpTest::class.java.name), testHandler.calls.keys)
  }

  fun testCachedRequest() {
    enableTls()

2CD9          ; valid                                  # 4.1  COPTIC SMALL LETTER OLD COPTIC DJA
2CDA          ; mapped                 ; 2CDB          # 4.1  COPTIC CAPITAL LETTER OLD COPTIC SHIMA
2CDB          ; valid                                  # 4.1  COPTIC SMALL LETTER OLD COPTIC SHIMA
2CDC          ; mapped                 ; 2CDD          # 4.1  COPTIC CAPITAL LETTER OLD NUBIAN SHIMA