}

    def "Can override existing system properties"() {
        when:
        runTask { withSystemProperties('mySystemProperty' : 'newValue') }

        then:
        hasSystemProperty('mySystemProperty', 'newValue')
    }

    def "JVM arguments have precedence over system properties"() {
        when:
        runTask {

            String newValue = transform(oldValue);
            Map<String, String> oldAttrs = node.getAttributes();
            Map<String, String> newAttrs = transform(oldAttrs, this::transform);
            List<XmlNode> oldChildren = node.getChildren();
            List<XmlNode> newChildren = transform(oldChildren, this::transform);
            if (oldValue != newValue || oldAttrs != newAttrs || oldChildren != newChildren) {

    V oldValue = table.get(row, column);
    if (oldValue == null) {
      table.put(row, column, value);
    } else {
      V newValue = mergeFunction.apply(oldValue, value);
      if (newValue == null) {
        table.remove(row, column);
      } else {
        table.put(row, column, newValue);
      }
    }
  }

  private TableCollectors() {}

   * iterator tests.
   *
   * @return the new container instance
   * @param newValue the new container instance
   */
  @CanIgnoreReturnValue
  protected C resetContainer(C newValue) {
    container = newValue;
    return container;
  }

  /**
   * @see #expectContents(java.util.Collection)
   * @param elements expected contents of {@link #container}

		{cpuValue: uint64(100), expected: uint64(4000000000)},
	}
	var cpuCores = 4

	for _, tc := range testCases {
		p := perfCounterNodeStatsClient{}
		newValue := p.convertCPUValue(cpuCores, tc.cpuValue)
		assert.Equal(t, tc.expected, newValue)
	}
}

func TestGetCPUUsageNanoCores(t *testing.T) {
	// Scaled expected unit test values by the frequency the CPU perf counters are polled.

   * iterator tests.
   *
   * @return the new container instance
   * @param newValue the new container instance
   */
  @CanIgnoreReturnValue
  protected C resetContainer(C newValue) {
    container = newValue;
    return container;
  }

  /**
   * @see #expectContents(java.util.Collection)
   * @param elements expected contents of {@link #container}

    protected void validateMutation() {
        throw new UnsupportedOperationException("Minimal dependencies are immutable.");
    }

    @Override
    protected void validateMutation(Object currentValue, Object newValue) {
        validateMutation();
    }

    @Override
    public void copyTo(AbstractExternalModuleDependency target) {
        super.copyTo(target);
    }

    // Intentionally changes to the mutable version.

        withBuildScript(
            """
            apply(from = "groovy.gradle")

            extensions["myextension"].withGroovyBuilder {
                getProperty("server")
                setProperty("server", "newValue")
                setMetaClass(getMetaClass())
                invokeMethod("configureServerName", "myservername")
            }
            """
        )

        build()
    }

     *
     * @param key the key under which to store the session data, must not be {@code null}
     * @param oldValue the expected data currently associated with the key, may be {@code null}
     * @param newValue the data to associate with the key, may be {@code null} to remove the mapping
     * @return {@code true} if the key mapping was successfully updated from the old value to the new value,

            unshow(operation.getParent());
        }

        // No more unused label? Try to resize.
        if (unusedProgressLabels.isEmpty()) {
            int newValue = operationIdToAssignedLabels.size() + 1;
            resizeTo(newValue);
            // At this point, the work-in-progress area may or may not have been resized due to maximum size constraint.
        }

        // Try to use a new label