35 lines
1.2 KiB
Go
35 lines
1.2 KiB
Go
// Copyright 2019 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 disklayout
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import (
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"testing"
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"gvisor.dev/gvisor/pkg/binary"
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)
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// TestBlockGroupSize tests the fact that the block group struct for
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// 32-bit ext filesystems should be exactly 32 bytes big and for 64-bit fs it
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// should be 64 bytes.
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func TestBlockGroupSize(t *testing.T) {
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if got, want := int(binary.Size(BlockGroup32Bit{})), 32; got != want {
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t.Errorf("BlockGroup32Bit should be exactly 32 bytes but is %d bytes", got)
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}
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if got, want := int(binary.Size(BlockGroup64Bit{})), 64; got != want {
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t.Errorf("BlockGroup64Bit should be exactly 64 bytes but is %d bytes", got)
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}
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}
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