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These utilities are also useful to MinidumpThreadWriter’s test. TEST=minidump_test MinidumpMemoryWriter.* R=rsesek@chromium.org Review URL: https://codereview.chromium.org/639513002
92 lines
3.4 KiB
C++
92 lines
3.4 KiB
C++
// Copyright 2014 The Crashpad Authors. All rights reserved.
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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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#ifndef CRASHPAD_MINIDUMP_MINIDUMP_MEMORY_WRITER_TEST_UTIL_H_
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#define CRASHPAD_MINIDUMP_MINIDUMP_MEMORY_WRITER_TEST_UTIL_H_
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#include "minidump/minidump_memory_writer.h"
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#include <dbghelp.h>
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#include <stdint.h>
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#include <string>
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#include "base/basictypes.h"
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#include "util/file/file_writer.h"
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namespace crashpad {
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namespace test {
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//! \brief A MinidumpMemoryWriter implementation used for testing.
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//!
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//! TestMinidumpMemoryWriter objects are created with a fixed base address and
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//! size, and will write the same byte (\a value) repeatedly, \a size times.
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class TestMinidumpMemoryWriter final : public MinidumpMemoryWriter {
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public:
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TestMinidumpMemoryWriter(uint64_t base_address, size_t size, uint8_t value);
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~TestMinidumpMemoryWriter();
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protected:
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// MinidumpMemoryWriter:
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virtual uint64_t MemoryRangeBaseAddress() const override;
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virtual size_t MemoryRangeSize() const override;
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// MinidumpWritable:
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virtual bool WillWriteAtOffsetImpl(off_t offset) override;
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virtual bool WriteObject(FileWriterInterface* file_writer) override;
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private:
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uint64_t base_address_;
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off_t expected_offset_;
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size_t size_;
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uint8_t value_;
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DISALLOW_COPY_AND_ASSIGN(TestMinidumpMemoryWriter);
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};
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//! \brief Verifies, via gtest assertions, that a MINIDUMP_MEMORY_DESCRIPTOR
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//! structure contains expected values, and that the memory region it points
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//! to contains expected values assuming it was written by a
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//! TestMinidumpMemoryWriter object.
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//!
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//! In \a expected and \a observed,
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//! MINIDUMP_MEMORY_DESCRIPTOR::StartOfMemoryRange and
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//! MINIDUMP_LOCATION_DESCRIPTOR::DataSize are compared and must match. If
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//! MINIDUMP_LOCATION_DESCRIPTOR::Rva is nonzero in \a expected, the same field
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//! in \a observed must match it, subject to a 16-byte alignment augmentation.
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//!
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//! \param[in] expected A MINIDUMP_MEMORY_DESCRIPTOR structure containing
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//! expected values.
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//! \param[in] observed A MINIDUMP_MEMORY_DESCRIPTOR structure containing
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//! observed values.
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//! \param[in] file_contents The contents of the minidump file in which \a
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//! observed was found. The memory region referenced by \a observed will be
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//! read from this string.
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//! \param[in] value The \a value used to create a TestMinidumpMemoryWriter.
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//! Each byte of memory in the region referenced by \a observed must be this
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//! value.
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//! \param[in] at_eof If `true`, the region referenced by \a observed must
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//! appear at the end of \a file_contents, without any data following it.
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void ExpectMinidumpMemoryDescriptorAndContents(
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const MINIDUMP_MEMORY_DESCRIPTOR* expected,
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const MINIDUMP_MEMORY_DESCRIPTOR* observed,
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const std::string& file_contents,
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uint8_t value,
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bool at_eof);
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} // namespace test
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} // namespace crashpad
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#endif // CRASHPAD_MINIDUMP_MINIDUMP_MEMORY_WRITER_TEST_UTIL_H_
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