can't catch the error "Error: VM Exception while processing transaction: revert"

[leochan007]

The Problem

this error can't be caught by expectThrow if execute "web3.eth.sendTransaction" (not contract'call or transaction)

e.g.
expectThrow(web3.eth.sendTransaction({gas: gas_amt, from: accounts[1], to: AAA.address,
value: web3.toWei("1", "Ether")}, ""))

[Stradivario]

Having the same issue as you described....

[leochan007]

@Stradivario yes. if the vm exception is from Contract's function call, it could be caught via expectThrow. and i don't know why.

[Stradivario]

Take a look here i create issue related with this bug trufflesuite/truffle#748

[frangio]

Hello @Stradivario. The argument to expectThrow should be a Promise as returned by truffle-contract function calls. The reason expectThrow is not working here is that web3.eth.sendTransaction returns a string containing the tx hash.

In order to use expectThrow here, you should probably do the following, as seen in the Truffle documentation.

expectThrow(AAA.send(web3.toWei(1, "ether"), { gas: gas_amt, from: accounts[1] }))