Function runTest

pkg/sentry/kernel/fd_table_test.go:55–79

(t testing.TB, fn func(ctx context.Context, fdTable *FDTable, fd *vfs.FileDescription, limitSet *limits.LimitSet))

}

func runTest(t testing.TB, fn func(ctx context.Context, fdTable *FDTable, fd *vfs.FileDescription, limitSet *limits.LimitSet)) {
	t.Helper() // Don't show in stacks.

	// Create the limits and context.
	limitSet := limits.NewLimitSet()
	limitSet.Set(limits.NumberOfFiles, limits.Limit{maxFD, maxFD}, true)
	ctx := contexttest.WithLimitSet(contexttest.Context(t), limitSet)

	vfsObj := &vfs.VirtualFilesystem{}
	if err := vfsObj.Init(ctx); err != nil {
		t.Fatalf("VFS init: %v", err)
	}

	fd := newTestFD(ctx, vfsObj)
	defer fd.DecRef(ctx)

	// Create the table.
	fdTable := new(FDTable)
	fdTable.k = &Kernel{}
	fdTable.k.MaxFDLimit.Store(MaxFdLimit)
	fdTable.init()

	// Run the test.
	fn(ctx, fdTable, fd, limitSet)
}

// TestFDTableMany allocates maxFD FDs, i.e. maxes out the FDTable, until there
// is no room, then makes sure that NewFDAt works and also that if we remove