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Add seed value constructor to DataBuilder 

This is needed for experimenting with alternate fuzzing frameworks
that can generate a seed value without needing to hash the input.

Change-Id: I8207fd16c83265268c7e5764b707456e59f79a07
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/67501
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Auto-Submit: Ryan Harrison <rharrison@chromium.org>
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
This commit is contained in:
Ryan Harrison 2021-10-26 16:30:42 +00:00 committed by Tint LUCI CQ
parent 6c4effe654
commit e7ca884b3d
1 changed files with 5 additions and 1 deletions
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6
fuzzers/data_builder.h
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@ -28,12 +28,16 @@ namespace fuzzers {
/// Builder for generic pseudo-random data using a data buffer as seed /// Builder for generic pseudo-random data using a data buffer as seed
class DataBuilder { class DataBuilder {
public: public:
/// @brief Initialize random number generations /// @brief Initialize internal random number generation using data as seed
/// @param data - pointer to a data buffer to use as a seed /// @param data - pointer to a data buffer to use as a seed
/// @param size - size of data buffer /// @param size - size of data buffer
explicit DataBuilder(const uint8_t* data, size_t size) explicit DataBuilder(const uint8_t* data, size_t size)
: generator_(data, size) {} : generator_(data, size) {}
/// @brief Initialize internal random number generation using seed value
/// @param seed - value to use as seed
explicit DataBuilder(uint64_t seed) : generator_(seed) {}
~DataBuilder() = default; ~DataBuilder() = default;
DataBuilder(DataBuilder&&) = default; DataBuilder(DataBuilder&&) = default;