Add initial naive fuzz testing based on wasm-smith #405
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This is a very naive fuzz testing framework based on the BytecodeAlliance's
wasm-smith
tool.It currently only fuzz tests Wasm parsing, validation and translation to
wasmi
's internal bytecode.In later revisions we want to add fuzz testing for execution as well.
However, this requires a proper baseline Wasm execution engine that we can use to compare
wasmi
against.For this the BytecodeAlliance's Wasm spec interpreter is the best candidate but it is lacking a proper Rust crate and just lives inside of the Wasmtime repository as of now. This might change in the future.
We want to merge this PR because it is currently a major headache to work in difference feature branches with all of the fuzz testing artifacts around.