syzkaller/prog/alloc_test.go
Dmitry Vyukov f5d67fbd9c .gometalinter.json: enable gofmt
The part that we want from gofmt is simplify (-s).
Fix all code that needs fixing.

Update #538
2018-07-31 12:16:54 +02:00

73 lines
1.4 KiB
Go

// Copyright 2018 syzkaller project authors. All rights reserved.
// Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
package prog
import (
"fmt"
"testing"
)
func TestMemAlloc(t *testing.T) {
t.Parallel()
type op struct {
addr uint64
size int // if positive do noteAlloc, otherwise -- alloc
}
tests := [][]op{
{
// Just sequential allocation.
{0, -1},
{64, -64},
{128, -65},
{256, -16},
{320, -8},
},
{
// First reserve some memory and then allocate.
{0, 1},
{64, 63},
{128, 64},
{192, 65},
{320, -1},
{448, 1},
{384, -1},
{576, 1},
{640, -128},
},
}
for ti, test := range tests {
test := test
t.Run(fmt.Sprint(ti), func(t *testing.T) {
ma := newMemAlloc(16 << 20)
for i, op := range test {
if op.size > 0 {
t.Logf("#%v: noteAlloc(%v, %v)", i, op.addr, op.size)
ma.noteAlloc(op.addr, uint64(op.size))
continue
}
t.Logf("#%v: alloc(%v) = %v", i, -op.size, op.addr)
addr := ma.alloc(nil, uint64(-op.size))
if addr != op.addr {
t.Fatalf("bad result %v", addr)
}
}
})
}
}
func TestVmaAlloc(t *testing.T) {
t.Parallel()
target, err := GetTarget("test", "64")
if err != nil {
t.Fatal(err)
}
r := newRand(target, randSource(t))
va := newVmaAlloc(1000)
for i := 0; i < 30; i++ {
size := r.rand(4) + 1
page := va.alloc(r, size)
t.Logf("alloc(%v) = %3v-%3v\n", size, page, page+size)
}
}