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6a39df1f75
Safer than discrete length/size arguments since we can use span methods to get some bounds checks automatically. Change-Id: Icf23116521738d142ad7a2783a7ac82d525a267f Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/100450 Reviewed-by: Lei Zhang <thestig@chromium.org> Commit-Queue: Tom Sepez <tsepez@chromium.org>
29 lines
858 B
C++
29 lines
858 B
C++
// Copyright 2019 The PDFium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef TESTING_INVALID_SEEKABLE_READ_STREAM_H_
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#define TESTING_INVALID_SEEKABLE_READ_STREAM_H_
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#include "core/fxcrt/fx_stream.h"
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#include "core/fxcrt/retain_ptr.h"
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// A stream used for testing where reads always fail.
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class InvalidSeekableReadStream final : public IFX_SeekableReadStream {
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public:
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CONSTRUCT_VIA_MAKE_RETAIN;
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// IFX_SeekableReadStream overrides:
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bool ReadBlockAtOffset(pdfium::span<uint8_t> buffer,
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FX_FILESIZE offset) override;
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FX_FILESIZE GetSize() override;
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private:
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explicit InvalidSeekableReadStream(FX_FILESIZE data_size);
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~InvalidSeekableReadStream() override;
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const FX_FILESIZE data_size_;
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};
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#endif // TESTING_INVALID_SEEKABLE_READ_STREAM_H_
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