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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 contexttest provides a test context.Context which includes
// a dummy kernel pointing to a valid platform.
package contexttest
import (
"testing"
"gvisor.dev/gvisor/pkg/context"
"gvisor.dev/gvisor/pkg/sentry/contexttest"
"gvisor.dev/gvisor/pkg/sentry/kernel"
"gvisor.dev/gvisor/pkg/sentry/pgalloc"
"gvisor.dev/gvisor/pkg/sentry/platform"
)
// Context returns a Context that may be used in tests. Uses ptrace as the
// platform.Platform, and provides a stub kernel that only serves to point to
// the platform.
func Context(tb testing.TB) context.Context {
ctx := contexttest.Context(tb)
k := &kernel.Kernel{
Platform: platform.FromContext(ctx),
}
k.SetMemoryFile(pgalloc.MemoryFileFromContext(ctx))
ctx.(*contexttest.TestContext).RegisterValue(kernel.CtxKernel, k)
return ctx
}
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