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Wasm storage read test (#6255) 

* Test for read from prepopulated storage implemented

* wasm-tests submodule update

* fix identation

* comment for storage_read added
This commit is contained in:
Alexey 2017-08-09 11:57:54 +03:00 committed by Arkadiy Paronyan
parent 78b3d71745
commit d209100a60
2 changed files with 33 additions and 7 deletions
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2
ethcore/res/wasm-tests

@ -1 +1 @@
Subproject commit 04c9d84c5fe5c3ad707be58664c7e72b97cc9996
Subproject commit 18dad7912cf42937ff725ffd944d01ff7ca1cce7

38
ethcore/wasm/src/tests.rs
View File

@ -378,13 +378,39 @@ fn realloc() {
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()),
}
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]);
}
// Tests that contract's ability to read from a storage
// Test prepopulates address into storage, than executes a contract which read that address from storage and write this address into result
#[test]
fn storage_read() {
let code = load_sample!("storage_read.wasm");
let address: Address = "0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6".parse().unwrap();
let mut params = ActionParams::default();
params.gas = U256::from(100_000);
params.code = Some(Arc::new(code));
let mut ext = FakeExt::new();
ext.store.insert("0100000000000000000000000000000000000000000000000000000000000000".into(), address.into());
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!("storage_read should return payload"); },
GasLeft::NeedsReturn { gas_left: gas, data: result, apply_state: _apply } => (gas, result.to_vec()),
}
};
assert_eq!(gas_left, U256::from(99752));
assert_eq!(Address::from(&result[12..32]), address);
}