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// Copyright 2018 The gVisor Authors.
//
// 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)
}
}
}
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