2019-04-29 21:25:05 +00:00
|
|
|
// Copyright 2018 The gVisor Authors.
|
2018-04-27 17:37:02 +00:00
|
|
|
//
|
|
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
|
|
// you may not use this file except in compliance with the License.
|
|
|
|
// You may obtain a copy of the License at
|
|
|
|
//
|
|
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
//
|
|
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
|
|
// See the License for the specific language governing permissions and
|
|
|
|
// limitations under the License.
|
|
|
|
|
|
|
|
package sched
|
|
|
|
|
|
|
|
import (
|
|
|
|
"testing"
|
|
|
|
)
|
|
|
|
|
|
|
|
func TestNumCPUs(t *testing.T) {
|
|
|
|
for i := uint(0); i < 1024; i++ {
|
|
|
|
c := NewCPUSet(i)
|
|
|
|
for j := uint(0); j < i; j++ {
|
|
|
|
c.Set(j)
|
|
|
|
}
|
|
|
|
n := c.NumCPUs()
|
|
|
|
if n != i {
|
|
|
|
t.Errorf("got wrong number of cpus %d, want %d", n, i)
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
func TestClearAbove(t *testing.T) {
|
|
|
|
const n = 1024
|
|
|
|
c := NewFullCPUSet(n)
|
|
|
|
for i := uint(0); i < n; i++ {
|
|
|
|
cpu := n - i
|
|
|
|
c.ClearAbove(cpu)
|
|
|
|
if got := c.NumCPUs(); got != cpu {
|
|
|
|
t.Errorf("iteration %d: got %d cpus, wanted %d", i, got, cpu)
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|