solidity/test/libsolidity/SolidityABIJSON.cpp

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/*
This file is part of solidity.
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solidity is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
solidity is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with solidity. If not, see <http://www.gnu.org/licenses/>.
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*/
/**
* @author Marek Kotewicz <marek@ethdev.com>
* @date 2014
* Unit tests for the solidity compiler JSON Interface output.
*/
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#include "../TestHelper.h"
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#include <libsolidity/interface/CompilerStack.h>
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#include <libdevcore/Exceptions.h>
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#include <libdevcore/SwarmHash.h>
#include <json/json.h>
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namespace dev
{
namespace solidity
{
namespace test
{
class JSONInterfaceChecker
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{
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public:
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JSONInterfaceChecker(): m_compilerStack() {}
void checkInterface(std::string const& _code, std::string const& _expectedInterfaceString)
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{
m_compilerStack.reset(false);
m_compilerStack.addSource("", "pragma solidity >=0.0;\n" + _code);
ETH_TEST_REQUIRE_NO_THROW(m_compilerStack.parseAndAnalyze(), "Parsing contract failed");
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Json::Value generatedInterface = m_compilerStack.contractABI("");
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Json::Value expectedInterface;
m_reader.parse(_expectedInterfaceString, expectedInterface);
BOOST_CHECK_MESSAGE(
expectedInterface == generatedInterface,
"Expected:\n" << expectedInterface.toStyledString() <<
"\n but got:\n" << generatedInterface.toStyledString()
);
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}
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protected:
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CompilerStack m_compilerStack;
Json::Reader m_reader;
};
BOOST_FIXTURE_TEST_SUITE(SolidityABIJSON, JSONInterfaceChecker)
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BOOST_AUTO_TEST_CASE(basic_test)
{
char const* sourceCode = R"(
contract test {
function f(uint a) returns(uint d) { return a * 7; }
}
)";
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char const* interface = R"([
{
"name": "f",
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"constant": false,
"payable" : false,
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"statemutability": "nonpayable",
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"type": "function",
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"inputs": [
{
"name": "a",
"type": "uint256"
}
],
"outputs": [
{
"name": "d",
"type": "uint256"
}
]
}
])";
checkInterface(sourceCode, interface);
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}
BOOST_AUTO_TEST_CASE(empty_contract)
{
char const* sourceCode = R"(
contract test { }
)";
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char const* interface = "[]";
checkInterface(sourceCode, interface);
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}
BOOST_AUTO_TEST_CASE(multiple_methods)
{
char const* sourceCode = R"(
contract test {
function f(uint a) returns(uint d) { return a * 7; }
function g(uint b) returns(uint e) { return b * 8; }
}
)";
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char const* interface = R"([
{
"name": "f",
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"constant": false,
"payable" : false,
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"statemutability": "nonpayable",
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"type": "function",
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"inputs": [
{
"name": "a",
"type": "uint256"
}
],
"outputs": [
{
"name": "d",
"type": "uint256"
}
]
},
{
"name": "g",
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"constant": false,
"payable" : false,
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"statemutability": "nonpayable",
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"type": "function",
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"inputs": [
{
"name": "b",
"type": "uint256"
}
],
"outputs": [
{
"name": "e",
"type": "uint256"
}
]
}
])";
checkInterface(sourceCode, interface);
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}
BOOST_AUTO_TEST_CASE(multiple_params)
{
char const* sourceCode = R"(
contract test {
function f(uint a, uint b) returns(uint d) { return a + b; }
}
)";
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char const* interface = R"([
{
"name": "f",
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"constant": false,
"payable" : false,
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"statemutability": "nonpayable",
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"type": "function",
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"inputs": [
{
"name": "a",
"type": "uint256"
},
{
"name": "b",
"type": "uint256"
}
],
"outputs": [
{
"name": "d",
"type": "uint256"
}
]
}
])";
checkInterface(sourceCode, interface);
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}
BOOST_AUTO_TEST_CASE(multiple_methods_order)
{
// methods are expected to be in alpabetical order
char const* sourceCode = R"(
contract test {
function f(uint a) returns(uint d) { return a * 7; }
function c(uint b) returns(uint e) { return b * 8; }
}
)";
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char const* interface = R"([
{
"name": "c",
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"constant": false,
"payable" : false,
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"statemutability": "nonpayable",
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"type": "function",
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"inputs": [
{
"name": "b",
"type": "uint256"
}
],
"outputs": [
{
"name": "e",
"type": "uint256"
}
]
},
{
"name": "f",
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"constant": false,
"payable" : false,
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"statemutability": "nonpayable",
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"type": "function",
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"inputs": [
{
"name": "a",
"type": "uint256"
}
],
"outputs": [
{
"name": "d",
"type": "uint256"
}
]
}
])";
checkInterface(sourceCode, interface);
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}
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BOOST_AUTO_TEST_CASE(const_function)
{
char const* sourceCode = R"(
contract test {
function foo(uint a, uint b) returns(uint d) { return a + b; }
function boo(uint32 a) constant returns(uint b) { return a * 4; }
}
)";
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char const* interface = R"([
{
"name": "foo",
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"constant": false,
"payable" : false,
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"statemutability": "nonpayable",
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"type": "function",
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"inputs": [
{
"name": "a",
"type": "uint256"
},
{
"name": "b",
"type": "uint256"
}
],
"outputs": [
{
"name": "d",
"type": "uint256"
}
]
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},
{
"name": "boo",
"constant": true,
"payable" : false,
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"statemutability": "view",
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"type": "function",
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"inputs": [{
"name": "a",
"type": "uint32"
}],
"outputs": [
{
"name": "b",
"type": "uint256"
}
]
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}
])";
checkInterface(sourceCode, interface);
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}
BOOST_AUTO_TEST_CASE(events)
{
char const* sourceCode = R"(
contract test {
function f(uint a) returns(uint d) { return a * 7; }
event e1(uint b, address indexed c);
event e2();
}
)";
char const* interface = R"([
{
"name": "f",
"constant": false,
"payable" : false,
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"statemutability": "nonpayable",
"type": "function",
"inputs": [
{
"name": "a",
"type": "uint256"
}
],
"outputs": [
{
"name": "d",
"type": "uint256"
}
]
},
{
"name": "e1",
"type": "event",
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"anonymous": false,
"inputs": [
{
"indexed": false,
"name": "b",
"type": "uint256"
},
{
"indexed": true,
"name": "c",
"type": "address"
}
]
},
{
"name": "e2",
"type": "event",
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"anonymous": false,
"inputs": []
}
])";
checkInterface(sourceCode, interface);
}
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BOOST_AUTO_TEST_CASE(events_anonymous)
{
char const* sourceCode = R"(
contract test {
event e() anonymous;
}
)";
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char const* interface = R"([
{
"name": "e",
"type": "event",
"anonymous": true,
"inputs": []
}
])";
checkInterface(sourceCode, interface);
}
BOOST_AUTO_TEST_CASE(inherited)
{
char const* sourceCode = R"(
contract Base {
function baseFunction(uint p) returns (uint i) { return p; }
event baseEvent(bytes32 indexed evtArgBase);
}
contract Derived is Base {
function derivedFunction(bytes32 p) returns (bytes32 i) { return p; }
event derivedEvent(uint indexed evtArgDerived);
}
)";
char const* interface = R"([
{
"name": "baseFunction",
"constant": false,
"payable" : false,
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"statemutability": "nonpayable",
"type": "function",
"inputs":
[{
"name": "p",
"type": "uint256"
}],
"outputs":
[{
"name": "i",
"type": "uint256"
}]
},
{
"name": "derivedFunction",
"constant": false,
"payable" : false,
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"statemutability": "nonpayable",
"type": "function",
"inputs":
[{
"name": "p",
"type": "bytes32"
}],
"outputs":
[{
"name": "i",
"type": "bytes32"
}]
},
{
"name": "derivedEvent",
"type": "event",
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"anonymous": false,
"inputs":
[{
"indexed": true,
"name": "evtArgDerived",
"type": "uint256"
}]
},
{
"name": "baseEvent",
"type": "event",
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"anonymous": false,
"inputs":
[{
"indexed": true,
"name": "evtArgBase",
"type": "bytes32"
}]
}])";
checkInterface(sourceCode, interface);
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}
BOOST_AUTO_TEST_CASE(empty_name_input_parameter_with_named_one)
{
char const* sourceCode = R"(
contract test {
function f(uint, uint k) returns(uint ret_k, uint ret_g) {
uint g = 8;
ret_k = k;
ret_g = g;
}
}
)";
char const* interface = R"([
{
"name": "f",
"constant": false,
"payable" : false,
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"statemutability": "nonpayable",
"type": "function",
"inputs": [
{
"name": "",
"type": "uint256"
},
{
"name": "k",
"type": "uint256"
}
],
"outputs": [
{
"name": "ret_k",
"type": "uint256"
},
{
"name": "ret_g",
"type": "uint256"
}
]
}
])";
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checkInterface(sourceCode, interface);
}
BOOST_AUTO_TEST_CASE(empty_name_return_parameter)
{
char const* sourceCode = R"(
contract test {
function f(uint k) returns(uint) {
return k;
}
}
)";
char const* interface = R"([
{
"name": "f",
"constant": false,
"payable" : false,
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"statemutability": "nonpayable",
"type": "function",
"inputs": [
{
"name": "k",
"type": "uint256"
}
],
"outputs": [
{
"name": "",
"type": "uint256"
}
]
}
])";
checkInterface(sourceCode, interface);
}
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BOOST_AUTO_TEST_CASE(constructor_abi)
{
char const* sourceCode = R"(
contract test {
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function test(uint param1, test param2, bool param3) {}
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}
)";
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char const* interface = R"([
{
"inputs": [
{
"name": "param1",
"type": "uint256"
},
{
"name": "param2",
"type": "address"
},
{
"name": "param3",
"type": "bool"
}
],
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"payable": false,
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"statemutability": "nonpayable",
"type": "constructor"
}
])";
checkInterface(sourceCode, interface);
}
BOOST_AUTO_TEST_CASE(payable_constructor_abi)
{
char const* sourceCode = R"(
contract test {
function test(uint param1, test param2, bool param3) payable {}
}
)";
char const* interface = R"([
{
"inputs": [
{
"name": "param1",
"type": "uint256"
},
{
"name": "param2",
"type": "address"
},
{
"name": "param3",
"type": "bool"
}
],
"payable": true,
"statemutability": "payable",
"type": "constructor"
}
])";
checkInterface(sourceCode, interface);
}
BOOST_AUTO_TEST_CASE(return_param_in_abi)
{
// bug #1801
char const* sourceCode = R"(
contract test {
enum ActionChoices { GoLeft, GoRight, GoStraight, Sit }
function test(ActionChoices param) {}
function ret() returns(ActionChoices) {
ActionChoices action = ActionChoices.GoLeft;
return action;
}
}
)";
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char const* interface = R"(
[
{
"constant" : false,
"payable" : false,
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"statemutability": "nonpayable",
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"inputs" : [],
"name" : "ret",
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"outputs" : [
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{
"name" : "",
"type" : "uint8"
}
],
"type" : "function"
},
{
"inputs": [
{
"name": "param",
"type": "uint8"
}
],
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"payable": false,
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"statemutability": "nonpayable",
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"type": "constructor"
}
]
)";
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checkInterface(sourceCode, interface);
}
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BOOST_AUTO_TEST_CASE(strings_and_arrays)
{
// bug #1801
char const* sourceCode = R"(
contract test {
function f(string a, bytes b, uint[] c) external {}
}
)";
char const* interface = R"(
[
{
"constant" : false,
"payable" : false,
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"statemutability": "nonpayable",
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"name": "f",
"inputs": [
{ "name": "a", "type": "string" },
{ "name": "b", "type": "bytes" },
{ "name": "c", "type": "uint256[]" }
],
"outputs": [],
"type" : "function"
}
]
)";
checkInterface(sourceCode, interface);
}
BOOST_AUTO_TEST_CASE(library_function)
{
char const* sourceCode = R"(
library test {
struct StructType { uint a; }
function f(StructType storage b, uint[] storage c, test d) returns (uint[] e, StructType storage f) {}
}
)";
char const* interface = R"(
[
{
"constant" : false,
"payable" : false,
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"statemutability": "nonpayable",
"name": "f",
"inputs": [
{ "name": "b", "type": "test.StructType storage" },
{ "name": "c", "type": "uint256[] storage" },
{ "name": "d", "type": "test" }
],
"outputs": [
{ "name": "e", "type": "uint256[]" },
{ "name": "f", "type": "test.StructType storage" }
],
"type" : "function"
}
]
)";
checkInterface(sourceCode, interface);
}
BOOST_AUTO_TEST_CASE(include_fallback_function)
{
char const* sourceCode = R"(
contract test {
function() {}
}
)";
char const* interface = R"(
[
{
"payable": false,
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"statemutability": "nonpayable",
"type" : "fallback"
}
]
)";
checkInterface(sourceCode, interface);
}
BOOST_AUTO_TEST_CASE(payable_function)
{
char const* sourceCode = R"(
contract test {
function f() {}
function g() payable {}
}
)";
char const* interface = R"(
[
{
"constant" : false,
"payable": false,
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"statemutability": "nonpayable",
"inputs": [],
"name": "f",
"outputs": [],
"type" : "function"
},
{
"constant" : false,
"payable": true,
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"statemutability": "payable",
"inputs": [],
"name": "g",
"outputs": [],
"type" : "function"
}
]
)";
checkInterface(sourceCode, interface);
}
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BOOST_AUTO_TEST_CASE(payable_fallback_function)
{
char const* sourceCode = R"(
contract test {
function () payable {}
}
)";
char const* interface = R"(
[
{
"payable": true,
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"statemutability": "payable",
"type" : "fallback"
}
]
)";
checkInterface(sourceCode, interface);
}
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BOOST_AUTO_TEST_CASE(function_type)
{
char const* sourceCode = R"(
contract test {
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function g(function(uint) external returns (uint) x) {}
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}
)";
char const* interface = R"(
[
{
"constant" : false,
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"payable": false,
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"statemutability": "nonpayable",
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"inputs": [{
"name": "x",
"type": "function"
}],
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"name": "g",
"outputs": [],
"type" : "function"
}
]
)";
checkInterface(sourceCode, interface);
}
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BOOST_AUTO_TEST_SUITE_END()
}
}
}