46 lines
1.3 KiB
Go
46 lines
1.3 KiB
Go
// Copyright 2018 The gVisor Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package host
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import (
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"testing"
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"golang.org/x/sys/unix"
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"gvisor.dev/gvisor/pkg/sentry/contexttest"
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)
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// TestCloseFD verifies fds will be closed.
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func TestCloseFD(t *testing.T) {
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var p [2]int
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if err := unix.Pipe(p[0:]); err != nil {
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t.Fatalf("Failed to create pipe %v", err)
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}
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defer unix.Close(p[0])
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defer unix.Close(p[1])
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// Use the write-end because we will detect if it's closed on the read end.
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ctx := contexttest.Context(t)
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file, err := NewFile(ctx, p[1])
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if err != nil {
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t.Fatalf("Failed to create File: %v", err)
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}
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file.DecRef(ctx)
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s := make([]byte, 10)
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if c, err := unix.Read(p[0], s); c != 0 || err != nil {
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t.Errorf("want 0, nil (EOF) from read end, got %v, %v", c, err)
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}
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}
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