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Source file src/runtime/proc_runtime_test.go

Documentation: runtime

  // Copyright 2016 The Go Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style
  // license that can be found in the LICENSE file.
  
  // Proc unit tests. In runtime package so can use runtime guts.
  
  package runtime
  
  func RunStealOrderTest() {
  	var ord randomOrder
  	for procs := 1; procs <= 64; procs++ {
  		ord.reset(uint32(procs))
  		if procs >= 3 && len(ord.coprimes) < 2 {
  			panic("too few coprimes")
  		}
  		for co := 0; co < len(ord.coprimes); co++ {
  			enum := ord.start(uint32(co))
  			checked := make([]bool, procs)
  			for p := 0; p < procs; p++ {
  				x := enum.position()
  				if checked[x] {
  					println("procs:", procs, "inc:", enum.inc)
  					panic("duplicate during enumeration")
  				}
  				checked[x] = true
  				enum.next()
  			}
  			if !enum.done() {
  				panic("not done")
  			}
  		}
  	}
  }
  

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