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realloc test added

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This commit is contained in:
fro 2017-07-28 16:38:03 +03:00
parent e84f308264
commit e234b7fdbf
2 changed files with 60 additions and 1 deletions
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37
ethcore/evm/src/wasm/env.rs
View File

@ -115,5 +115,40 @@ pub const SIGNATURES: &'static [UserFunctionDescriptor] = &[
"_emscripten_memcpy_big",
&[I32; 3],
Some(I32),
)
),
Static(
"___syscall140",
&[I32; 2],
Some(I32)
),
Static(
"___syscall146",
&[I32; 2],
Some(I32)
),
Static(
"___syscall54",
&[I32; 2],
Some(I32)
),
Static(
"___syscall6",
&[I32; 2],
Some(I32)
),
Static(
"_llvm_trap",
&[I32; 0],
None
),
Static(
"abortOnCannotGrowMemory",
&[I32; 0],
Some(I32)
),
Static(
"___setErrNo",
&[I32; 1],
None
),
];

24
ethcore/evm/src/wasm/tests.rs
View File

@ -272,3 +272,27 @@ fn create() {
));
assert_eq!(gas_left, U256::from(99_768));
}
// Realloc test
#[test]
fn realloc() {
let code = load_sample!("realloc.wasm");
let mut params = ActionParams::default();
params.gas = U256::from(100_000);
params.code = Some(Arc::new(code));
params.data = Some(vec![0u8]);
let mut ext = FakeExt::new();
let (gas_left, result) = {
let mut interpreter = wasm_interpreter();
let result = interpreter.exec(params, &mut ext).expect("Interpreter to execute without any errors");
match result {
GasLeft::Known(_) => { panic!("Realloc should return payload"); },
GasLeft::NeedsReturn { gas_left: gas, data: result, apply_state: _apply } => (gas, result.to_vec()),
}
};
assert_eq!(gas_left, U256::from(98326));
assert_eq!(result, vec![0u8; 2]);
}