55 lines
1.5 KiB
Go
55 lines
1.5 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 epoll
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import (
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"testing"
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"gvisor.dev/gvisor/pkg/sentry/context/contexttest"
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"gvisor.dev/gvisor/pkg/sentry/fs/filetest"
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"gvisor.dev/gvisor/pkg/waiter"
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)
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func TestFileDestroyed(t *testing.T) {
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f := filetest.NewTestFile(t)
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id := FileIdentifier{f, 12}
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efile := NewEventPoll(contexttest.Context(t))
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e := efile.FileOperations.(*EventPoll)
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if err := e.AddEntry(id, 0, waiter.EventIn, [2]int32{}); err != nil {
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t.Fatalf("addEntry failed: %v", err)
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}
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// Check that we get an event reported twice in a row.
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evt := e.ReadEvents(1)
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if len(evt) != 1 {
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t.Fatalf("Unexpected number of ready events: want %v, got %v", 1, len(evt))
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}
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evt = e.ReadEvents(1)
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if len(evt) != 1 {
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t.Fatalf("Unexpected number of ready events: want %v, got %v", 1, len(evt))
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}
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// Destroy the file. Check that we get no more events.
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f.DecRef()
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evt = e.ReadEvents(1)
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if len(evt) != 0 {
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t.Fatalf("Unexpected number of ready events: want %v, got %v", 0, len(evt))
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}
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}
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