Merge pull request #3099 from ethereum/develop

Merge develop into release for 0.4.18.

1 files changed, 112 insertions, 0 deletions

diff --git a/test/libsolidity/SMTChecker.cpp b/test/libsolidity/SMTChecker.cpp
new file mode 100644
index 00000000..8d712a80
--- /dev/null
+++ b/test/libsolidity/SMTChecker.cpp
@@ -0,0 +1,112 @@
+/*
+    This file is part of solidity.
+
+    solidity is free software: you can redistribute it and/or modify
+    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,
+    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/>.
+*/
+/**
+ * Unit tests for the SMT checker.
+ */
+
+#include <test/libsolidity/AnalysisFramework.h>
+
+#include <boost/test/unit_test.hpp>
+
+#include <string>
+
+using namespace std;
+
+namespace dev
+{
+namespace solidity
+{
+namespace test
+{
+
+class SMTCheckerFramework: public AnalysisFramework
+{
+public:
+	SMTCheckerFramework()
+	{
+		m_warningsToFilter.push_back("Experimental features are turned on.");
+	}
+
+protected:
+	virtual std::pair<SourceUnit const*, std::shared_ptr<Error const>>
+	parseAnalyseAndReturnError(
+		std::string const& _source,
+		bool _reportWarnings = false,
+		bool _insertVersionPragma = true,
+		bool _allowMultipleErrors = false
+	)
+	{
+		return AnalysisFramework::parseAnalyseAndReturnError(
+			"pragma experimental SMTChecker;\n" + _source,
+			_reportWarnings,
+			_insertVersionPragma,
+			_allowMultipleErrors
+		);
+	}
+};
+
+BOOST_FIXTURE_TEST_SUITE(SMTChecker, SMTCheckerFramework)
+
+BOOST_AUTO_TEST_CASE(smoke_test)
+{
+	string text = R"(
+		contract C { }
+	)";
+	CHECK_SUCCESS_NO_WARNINGS(text);
+}
+
+BOOST_AUTO_TEST_CASE(simple_overflow)
+{
+	string text = R"(
+		contract C {
+			function f(uint a, uint b) public pure returns (uint) { return a + b; }
+		}
+	)";
+	CHECK_WARNING(text, "Overflow (resulting value larger than");
+}
+
+BOOST_AUTO_TEST_CASE(warn_on_typecast)
+{
+	string text = R"(
+		contract C {
+			function f() public pure returns (uint) {
+				return uint8(1);
+			}
+		}
+	)";
+	CHECK_WARNING(text, "Assertion checker does not yet implement this expression.");
+}
+
+BOOST_AUTO_TEST_CASE(warn_on_struct)
+{
+	string text = R"(
+		contract C {
+			struct A { uint a; uint b; }
+			function f() public pure returns (A) {
+				return A({ a: 1, b: 2 });
+			}
+		}
+	)";
+	/// Multiple warnings, should check for: Assertion checker does not yet implement this expression.
+	CHECK_WARNING_ALLOW_MULTI(text, "");
+}
+
+BOOST_AUTO_TEST_SUITE_END()
+
+}
+}
+}