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Add uncovered test and replace uncovered tests by asserts

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This commit is contained in:
Leonardo Alt
2020-11-30 18:46:47 +01:00
parent 7e7a42c6ad
commit fa561dbd0e
6 changed files with 103 additions and 100 deletions
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libsolidity/formal/SMTEncoder.cpp
+44 -89
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@@ -318,18 +318,12 @@ void SMTEncoder::endVisit(VariableDeclarationStatement const& _varDecl)
assignment(*declarations.at(i), symbTuple->component(i, components.at(i), declarations.at(i)->type()));
}
}
else if (m_context.knownVariable(*_varDecl.declarations().front()))
else
{
solAssert(m_context.knownVariable(*_varDecl.declarations().front()), "");
if (_varDecl.initialValue())
assignment(*_varDecl.declarations().front(), *_varDecl.initialValue());
}
else
m_errorReporter.warning(
7186_error,
_varDecl.location(),
"Assertion checker does not yet implement such variable declarations."
);
}
bool SMTEncoder::visit(Assignment const& _assignment)
@@ -492,11 +486,7 @@ void SMTEncoder::endVisit(UnaryOperation const& _op)
indexOrMemberAssignment(*subExpr, newValue);
}
else
m_errorReporter.warning(
1950_error,
_op.location(),
"Assertion checker does not yet implement such increments / decrements."
);
solAssert(false, "");
break;
}
@@ -530,11 +520,7 @@ void SMTEncoder::endVisit(UnaryOperation const& _op)
break;
}
default:
m_errorReporter.warning(
3682_error,
_op.location(),
"Assertion checker does not yet implement this operator."
);
solAssert(false, "");
}
}
@@ -571,11 +557,7 @@ void SMTEncoder::endVisit(BinaryOperation const& _op)
else if (TokenTraits::isBitOp(_op.getOperator()) || TokenTraits::isShiftOp(_op.getOperator()))
bitwiseOperation(_op);
else
m_errorReporter.warning(
3876_error,
_op.location(),
"Assertion checker does not yet implement this operator."
);
solAssert(false, "");
}
bool SMTEncoder::visit(Conditional const& _op)
@@ -1030,15 +1012,7 @@ void SMTEncoder::endVisit(Literal const& _literal)
);
}
else
{
m_errorReporter.warning(
7885_error,
_literal.location(),
"Assertion checker does not yet support the type of this literal (" +
_literal.annotation().type->toString() +
")."
);
}
solAssert(false, "");
}
void SMTEncoder::addArrayLiteralAssertions(
@@ -1116,11 +1090,8 @@ bool SMTEncoder::visit(MemberAccess const& _memberAccess)
);
}
else
m_errorReporter.warning(
9551_error,
_memberAccess.location(),
"Assertion checker does not yet support this expression."
);
solUnimplementedAssert(false, "");
return false;
}
else if (smt::isNonRecursiveStruct(*exprType))
@@ -1510,40 +1481,32 @@ void SMTEncoder::arithmeticOperation(BinaryOperation const& _op)
{
auto type = _op.annotation().commonType;
solAssert(type, "");
if (type->category() == Type::Category::Integer || type->category() == Type::Category::FixedPoint)
solAssert(type->category() == Type::Category::Integer || type->category() == Type::Category::FixedPoint, "");
switch (_op.getOperator())
{
switch (_op.getOperator())
{
case Token::Add:
case Token::Sub:
case Token::Mul:
case Token::Div:
case Token::Mod:
{
auto values = arithmeticOperation(
_op.getOperator(),
expr(_op.leftExpression()),
expr(_op.rightExpression()),
_op.annotation().commonType,
_op
);
defineExpr(_op, values.first);
break;
}
default:
m_errorReporter.warning(
5188_error,
_op.location(),
"Assertion checker does not yet implement this operator."
);
}
}
else
m_errorReporter.warning(
9011_error,
_op.location(),
"Assertion checker does not yet implement this operator for type " + type->richIdentifier() + "."
case Token::Add:
case Token::Sub:
case Token::Mul:
case Token::Div:
case Token::Mod:
{
auto values = arithmeticOperation(
_op.getOperator(),
expr(_op.leftExpression()),
expr(_op.rightExpression()),
_op.annotation().commonType,
_op
);
defineExpr(_op, values.first);
break;
}
default:
m_errorReporter.warning(
5188_error,
_op.location(),
"Assertion checker does not yet implement this operator."
);
}
}
pair<smtutil::Expression, smtutil::Expression> SMTEncoder::arithmeticOperation(
@@ -1732,29 +1695,21 @@ void SMTEncoder::booleanOperation(BinaryOperation const& _op)
{
solAssert(_op.getOperator() == Token::And || _op.getOperator() == Token::Or, "");
solAssert(_op.annotation().commonType, "");
if (_op.annotation().commonType->category() == Type::Category::Bool)
solAssert(_op.annotation().commonType->category() == Type::Category::Bool, "");
// @TODO check that both of them are not constant
_op.leftExpression().accept(*this);
if (_op.getOperator() == Token::And)
{
// @TODO check that both of them are not constant
_op.leftExpression().accept(*this);
if (_op.getOperator() == Token::And)
{
auto indicesAfterSecond = visitBranch(&_op.rightExpression(), expr(_op.leftExpression())).first;
mergeVariables(touchedVariables(_op.rightExpression()), !expr(_op.leftExpression()), copyVariableIndices(), indicesAfterSecond);
defineExpr(_op, expr(_op.leftExpression()) && expr(_op.rightExpression()));
}
else
{
auto indicesAfterSecond = visitBranch(&_op.rightExpression(), !expr(_op.leftExpression())).first;
mergeVariables(touchedVariables(_op.rightExpression()), expr(_op.leftExpression()), copyVariableIndices(), indicesAfterSecond);
defineExpr(_op, expr(_op.leftExpression()) || expr(_op.rightExpression()));
}
auto indicesAfterSecond = visitBranch(&_op.rightExpression(), expr(_op.leftExpression())).first;
mergeVariables(touchedVariables(_op.rightExpression()), !expr(_op.leftExpression()), copyVariableIndices(), indicesAfterSecond);
defineExpr(_op, expr(_op.leftExpression()) && expr(_op.rightExpression()));
}
else
m_errorReporter.warning(
3263_error,
_op.location(),
"Assertion checker does not yet implement the type " + _op.annotation().commonType->toString() + " for boolean operations"
);
{
auto indicesAfterSecond = visitBranch(&_op.rightExpression(), !expr(_op.leftExpression())).first;
mergeVariables(touchedVariables(_op.rightExpression()), expr(_op.leftExpression()), copyVariableIndices(), indicesAfterSecond);
defineExpr(_op, expr(_op.leftExpression()) || expr(_op.rightExpression()));
}
}
void SMTEncoder::bitwiseOperation(BinaryOperation const& _op)