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Diffstat (limited to 'src/archive/tar/reader_test.go')
| -rw-r--r-- | src/archive/tar/reader_test.go | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/archive/tar/reader_test.go b/src/archive/tar/reader_test.go index c7611ca044..a324674cb7 100644 --- a/src/archive/tar/reader_test.go +++ b/src/archive/tar/reader_test.go @@ -1145,6 +1145,17 @@ func TestReadOldGNUSparseMap(t *testing.T) { input: makeInput(FormatGNU, "", makeSparseStrings(sparseDatas{{10 << 30, 512}, {20 << 30, 512}})...), wantMap: sparseDatas{{10 << 30, 512}, {20 << 30, 512}}, + }, { + input: makeInput(FormatGNU, "", + makeSparseStrings(func() sparseDatas { + var datas sparseDatas + // This is more than enough entries to exceed our limit. + for i := range int64(1 << 20) { + datas = append(datas, sparseEntry{i * 2, (i * 2) + 1}) + } + return datas + }())...), + wantErr: errSparseTooLong, }} for i, v := range vectors { |