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minio/pkgs/cpu/cpu_test.go

78 lines
1.8 KiB

/*
* Mini Object Storage, (C) 2014 Minio, Inc.
*
* 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 cpu
import (
"errors"
"os/exec"
"runtime"
"strings"
"testing"
. "gopkg.in/check.v1"
)
func Test(t *testing.T) { TestingT(t) }
type MySuite struct{}
var _ = Suite(&MySuite{})
func hasCpuFeatureFromOS(feature string) (bool, error) {
if runtime.GOOS == "linux" {
command := exec.Command("/bin/cat", "/proc/cpuinfo")
output, err := command.Output()
if err != nil {
return false, err
}
if strings.Contains(string(output), feature) {
return true, nil
} else {
return false, nil
}
} else {
// TODO find new way to test cpu flags on windows
return false, errors.New("Not Implemented on this platform")
}
}
func (s *MySuite) TestHasSSE41(c *C) {
if runtime.GOOS == "linux" {
var flag = HasSSE41()
osCheck, err := hasCpuFeatureFromOS("sse4_1")
c.Assert(err, IsNil)
c.Check(flag, Equals, osCheck)
}
}
func (s *MySuite) TestHasAVX(c *C) {
if runtime.GOOS == "linux" {
var flag = HasAVX()
osFlag, err := hasCpuFeatureFromOS("avx")
c.Assert(err, IsNil)
c.Check(osFlag, Equals, flag)
}
}
func (s *MySuite) TestHasAVX2(c *C) {
if runtime.GOOS == "linux" {
var flag = HasAVX2()
osFlag, err := hasCpuFeatureFromOS("avx2")
c.Assert(err, IsNil)
c.Check(osFlag, Equals, flag)
}
}