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authorchriseth <chris@ethereum.org>2017-10-05 00:20:56 +0800
committerAlex Beregszaszi <alex@rtfs.hu>2017-11-22 10:35:34 +0800
commit95a65dc04c6f6a5c611c25d6f07d54843f2daec9 (patch)
tree0bcb0ad1f7e24d8a986f40a37e0b0a2d6f4152f7
parent90fb14f525fa37a15421e3dc40ffc98a5bce8378 (diff)
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Fix boolean constants.
-rw-r--r--libsolidity/formal/Z3Interface.cpp9
-rw-r--r--test/libsolidity/SMTChecker.cpp21
2 files changed, 16 insertions, 14 deletions
diff --git a/libsolidity/formal/Z3Interface.cpp b/libsolidity/formal/Z3Interface.cpp
index 0c083abc..e5c1aef4 100644
--- a/libsolidity/formal/Z3Interface.cpp
+++ b/libsolidity/formal/Z3Interface.cpp
@@ -139,8 +139,13 @@ z3::expr Z3Interface::toZ3Expr(Expression const& _expr)
}
else if (arguments.empty())
{
- // We assume it is an integer...
- return m_context.int_val(n.c_str());
+ if (n == "true")
+ return m_context.bool_val(true);
+ else if (n == "false")
+ return m_context.bool_val(false);
+ else
+ // We assume it is an integer...
+ return m_context.int_val(n.c_str());
}
solAssert(arity.count(n) && arity.at(n) == arguments.size(), "");
diff --git a/test/libsolidity/SMTChecker.cpp b/test/libsolidity/SMTChecker.cpp
index 9d014125..9fbab03a 100644
--- a/test/libsolidity/SMTChecker.cpp
+++ b/test/libsolidity/SMTChecker.cpp
@@ -362,18 +362,15 @@ BOOST_AUTO_TEST_CASE(constant_condition)
}
)";
CHECK_WARNING(text, "Condition is always false");
-// TODO
-// // a plain literal constant is fine
-// text = R"(
-// contract C {
-// function f(uint x) public pure {
-// if (true) { revert(); }
-// }
-// }
-// )";
-// CHECK_SUCCESS_NO_WARNINGS(text);
-
-// TODO test unreacheable code
+ // a plain literal constant is fine
+ text = R"(
+ contract C {
+ function f(uint) public pure {
+ if (true) { revert(); }
+ }
+ }
+ )";
+ CHECK_SUCCESS_NO_WARNINGS(text);
}
BOOST_AUTO_TEST_SUITE_END()