# Tests for min/max.
clear
load 5m
  http_requests{job="api-server", instance="0", group="production"}	1
  http_requests{job="api-server", instance="1", group="production"}	2
  http_requests{job="api-server", instance="0", group="canary"}		NaN
  http_requests{job="api-server", instance="1", group="canary"}		3
  http_requests{job="api-server", instance="2", group="canary"}		4

eval instant at 0m max(http_requests)
  {} 4

eval instant at 0m min(http_requests)
  {} 1

eval instant at 0m max by (group) (http_requests)
  {group="production"} 2
  {group="canary"} 4

eval instant at 0m min by (group) (http_requests)
  {group="production"} 1
  {group="canary"} 3