67 lines
1.9 KiB
Go
67 lines
1.9 KiB
Go
|
// Copyright 2018 Google LLC
|
||
|
//
|
||
|
// 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 boot
|
||
|
|
||
|
import (
|
||
|
"testing"
|
||
|
|
||
|
rpb "gvisor.googlesource.com/gvisor/pkg/sentry/arch/registers_go_proto"
|
||
|
)
|
||
|
|
||
|
func TestOnceTracker(t *testing.T) {
|
||
|
o := onceTracker{}
|
||
|
if !o.shouldReport(nil) {
|
||
|
t.Error("first call to checkAndMark, got: false, want: true")
|
||
|
}
|
||
|
o.onReported(nil)
|
||
|
for i := 0; i < 2; i++ {
|
||
|
if o.shouldReport(nil) {
|
||
|
t.Error("after first call to checkAndMark, got: true, want: false")
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
func TestCmdTracker(t *testing.T) {
|
||
|
for _, tc := range []struct {
|
||
|
name string
|
||
|
idx int
|
||
|
rdi1 uint64
|
||
|
rdi2 uint64
|
||
|
rsi1 uint64
|
||
|
rsi2 uint64
|
||
|
want bool
|
||
|
}{
|
||
|
{name: "same rdi", idx: 0, rdi1: 123, rdi2: 123, want: false},
|
||
|
{name: "same rsi", idx: 1, rsi1: 123, rsi2: 123, want: false},
|
||
|
{name: "diff rdi", idx: 0, rdi1: 123, rdi2: 321, want: true},
|
||
|
{name: "diff rsi", idx: 1, rsi1: 123, rsi2: 321, want: true},
|
||
|
{name: "cmd is uint32", idx: 0, rsi1: 0xdead00000123, rsi2: 0xbeef00000123, want: false},
|
||
|
} {
|
||
|
t.Run(tc.name, func(t *testing.T) {
|
||
|
c := newCmdTracker(tc.idx)
|
||
|
regs := &rpb.AMD64Registers{Rdi: tc.rdi1, Rsi: tc.rsi1}
|
||
|
if !c.shouldReport(regs) {
|
||
|
t.Error("first call to checkAndMark, got: false, want: true")
|
||
|
}
|
||
|
c.onReported(regs)
|
||
|
|
||
|
regs.Rdi, regs.Rsi = tc.rdi2, tc.rsi2
|
||
|
if got := c.shouldReport(regs); tc.want != got {
|
||
|
t.Errorf("after first call to checkAndMark, got: %t, want: %t", got, tc.want)
|
||
|
}
|
||
|
})
|
||
|
}
|
||
|
}
|