String message = exception.getMessage();

        assertTrue(message.contains("[unknown project]"), "Message should handle unknown project gracefully");
    }

            // The exact behavior depends on implementation, but it should handle gracefully
            // and not crash the entire upgrade process
            assertTrue(result >= 0, "Should handle .mvn creation failure gracefully");
        }
    }

    /**
     * Testable subclass that exposes protected methods for testing.
     */

        format(builder, size, unit, false);
    }

    public void formatRate(MessageBuilder builder, double rate) {
        // Handle invalid rates gracefully (including negative values)
        if (Double.isNaN(rate) || Double.isInfinite(rate) || rate < 0) {
            builder.append("? B/s");
            return;
        }

        assertNotNull(exception);
        assertEquals(message, exception.getMessage());
        assertEquals(cause, exception.getCause());
    }

    @Test
    @DisplayName("Should handle null message gracefully")
    void testNullMessage() {
        // When/Then
        assertDoesNotThrow(() -> {
            RuntimeCIFSException exception = new RuntimeCIFSException((String) null);
            assertNull(exception.getMessage());

maven.installation.conf = ${maven.home}/conf
maven.user.conf         = ${user.home}/.m2
maven.project.conf      = ${session.rootDirectory}/.mvn

# Comma-separated list of files to include.
# Each item may be enclosed in quotes to gracefully include spaces. Items are trimmed before being loaded.
# If the first character of an item is a question mark, the load will silently fail if the file does not exist.
${includes} = ?"${maven.user.conf}/maven-system.properties", \

# The properties defined in this file will be made available through
# user properties at the very beginning of Maven's boot process.
#

# Comma-separated list of files to include.
# Each item may be enclosed in quotes to gracefully include spaces. Items are trimmed before being loaded.
# If the first character of an item is a question mark, the load will silently fail if the file does not exist.
${includes} = ?"${maven.user.conf}/maven-user.properties", \

# The properties defined in this file will be made available through
# user properties at the very beginning of Maven's boot process.
#

# Comma-separated list of files to include.
# Each item may be enclosed in quotes to gracefully include spaces. Items are trimmed before being loaded.
# If the first character of an item is a question mark, the load will silently fail if the file does not exist.
${includes} = ?"${maven.user.conf}/maven-user.properties", \

            }
        }
    }

    @Nested
    @DisplayName("Error Handling")
    class ErrorHandlingTests {

        @Test
        @DisplayName("should handle malformed POM gracefully")
        void shouldHandleMalformedPOMGracefully() throws Exception {
            String malformedPomXml = """
                <?xml version="1.0" encoding="UTF-8"?>

        assertNotNull(buffer, "getBuffer should never return null");
        assertSame(expectedBuffer, buffer, "Should return configured buffer");
    }

    @Test
    @DisplayName("releaseBuffer should accept byte arrays gracefully")
    void testReleaseBufferContract() {
        // Given
        byte[] buffer = new byte[1024];
        doNothing().when(mockBufferCache).releaseBuffer(buffer);

        // When & Then

 * chooses to short-circuit the graceful shutdown process:
 *
 *  * **Canceled:** the web socket connection failed. Messages that were successfully enqueued by
 *    either peer may not have been transmitted to the other.
 *
 * Note that the state progression is independent for each peer. Arriving at a gracefully-closed