Subversion Repositories openrisc

// Copyright 2011 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.

package runtime_test

import (

        "runtime"

        "testing"

)

func TestGcSys(t *testing.T) {

        memstats := new(runtime.MemStats)

        runtime.GC()

        runtime.ReadMemStats(memstats)

        sys := memstats.Sys

        for i := 0; i < 1000000; i++ {

                workthegc()

        }

        // Should only be using a few MB.

        runtime.ReadMemStats(memstats)

        if sys > memstats.Sys {

                sys = 0

        } else {

                sys = memstats.Sys - sys

        }

        t.Logf("used %d extra bytes", sys)

        if sys > 4<<20 {

                t.Fatalf("using too much memory: %d bytes", sys)

        }

}

func workthegc() []byte {

        return make([]byte, 1029)

}