assertThat(graph.edgeValueOrDefault(4, 4, DEFAULT)).isEqualTo("valueD");

    String toString = graph.toString();
    assertThat(toString).contains("valueA");
    assertThat(toString).contains("valueB");
    assertThat(toString).contains("valueC");
    assertThat(toString).contains("valueD");
  }

  @Test
  public void undirectedGraph() {

    }

    @Test
    @DisplayName("toString shows basic info when not established")
    void toString_notEstablished() throws Exception {
        when(gssContext.isEstablished()).thenReturn(false);
        String s = ctx.toString();
        assertTrue(s.startsWith("KERB5["));
        assertTrue(s.contains("src=null"));
    }

    @Test
    @DisplayName("toString shows names and mech when established")

                cmdList.add(getCommandValue(buf.toString(), params));
                buf.delete(0, buf.length());
            } else if (c == '\"' && !singleQuote && prevChar != '\\') {
                if (doubleQuote) {
                    if (buf.length() > 0) {
                        cmdList.add(getCommandValue(buf.toString(), params));
                        buf.delete(0, buf.length());

        int result = netServerEnum2.readDataWireFormat(buffer, 0, 10);
        assertEquals(0, result);
    }

    /**
     * Test the toString method with SV_TYPE_ALL.
     */
    @Test
    void testToString_SV_TYPE_ALL() {
        String result = netServerEnum2.toString();
        // Verify the key parts of the string representation
        assertTrue(result.startsWith("NetServerEnum2["));

                System.err.println("args: " + Arrays.toString(mvnArgs.toArray()));
                System.err.println("===================================================");
                System.err.println("stderr: " + stderr);
                System.err.println("===================================================");

                logs.put(goal, stdout.toString());
                if (exception != null) {

    void testToString() {
        // Test toString method
        response = new SmbComQueryInformationResponse(mockConfig, 0L);

        // Set test values
        setFieldValue(response, "fileAttributes", 0x0021);
        setFieldValue(response, "lastWriteTime", System.currentTimeMillis());
        setFieldValue(response, "fileSize", 12345);

        String result = response.toString();

        assertNotNull(result);

        return 0;
    }

    @Override
    int readBytesWireFormat(final byte[] buffer, final int bufferIndex) {
        return 0;
    }

    @Override
    public String toString() {
        return ("SmbComQueryInformation[" + super.toString() + ",filename=" + path + "]");
    }

        this.challenge = challenge;
        this.dc = dc;
    }

    @Override
    public String toString() {
        return "NtlmChallenge[challenge=0x" + Hexdump.toHexString(challenge, 0, challenge.length * 2) + ",dc=" + dc.toString() + "]";
    }

    }

    @Test
    void testToStringNullSafe() {
        assertNotNull(new Build().toString());
    }

    @Test
    public void testToStringNotNonsense() {
        Build build = new Build();

        String s = build.toString();

        assert "Build {BuildBase {PluginConfiguration {PluginContainer {}}}}".equals(s) : s;
    }

  }

  public void testToString() {
    assertEquals("foo=1", entry("foo", 1).toString());
  }

  public void testToStringNull() {
    assertEquals("null=1", entry(NK, 1).toString());
    assertEquals("foo=null", entry("foo", NV).toString());
    assertEquals("null=null", entry(NK, NV).toString());
  }

  public void testEquals() {
    Entry<String, Integer> foo1 = entry("foo", 1);