Merge pull request #3473 from ethereum/julia-main-func

Introduce Julia filter to encapsulate top level Block as a FunctionDefinition

1 files changed, 87 insertions, 0 deletions

diff --git a/test/libjulia/MainFunction.cpp b/test/libjulia/MainFunction.cpp
new file mode 100644
index 00000000..c26b002d
--- /dev/null
+++ b/test/libjulia/MainFunction.cpp
@@ -0,0 +1,87 @@
+/*
+    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/>.
+*/
+/**
+ * @date 2018
+ * Unit tests for the Julia MainFunction transformation.
+ */
+
+#include <test/libjulia/Common.h>
+
+#include <libjulia/optimiser/FunctionGrouper.h>
+#include <libjulia/optimiser/MainFunction.h>
+
+#include <libsolidity/inlineasm/AsmPrinter.h>
+
+#include <boost/test/unit_test.hpp>
+
+using namespace std;
+using namespace dev::julia;
+using namespace dev::julia::test;
+using namespace dev::solidity;
+
+#define CHECK(_original, _expectation)\
+do\
+{\
+	assembly::AsmPrinter p(true);\
+	Block b = disambiguate(_original);\
+	(FunctionGrouper{})(b);\
+	(MainFunction{})(b);\
+	string result = p(b);\
+	BOOST_CHECK_EQUAL(result, format(_expectation));\
+}\
+while(false)
+
+BOOST_AUTO_TEST_SUITE(JuliaMainFunction)
+
+BOOST_AUTO_TEST_CASE(smoke_test)
+{
+	CHECK("{ }", "{ function main() { } }");
+}
+
+BOOST_AUTO_TEST_CASE(single_fun)
+{
+	CHECK(
+		"{ let a:u256 function f() {} }",
+		"{ function main() { let a:u256 } function f() {} }"
+	);
+}
+
+BOOST_AUTO_TEST_CASE(multi_fun_mixed)
+{
+	CHECK(
+		"{ let a:u256 function f() { let b:u256 } let c:u256 function g() { let d:u256 } let e:u256 }",
+		"{ function main() { let a:u256 let c:u256 let e:u256 } function f() { let b:u256 } function g() { let d:u256 } }"
+	);
+}
+
+BOOST_AUTO_TEST_CASE(nested_fun)
+{
+	CHECK(
+		"{ let a:u256 function f() { let b:u256 function g() { let c:u256} let d:u256 } }",
+		"{ function main() { let a:u256 } function f() { let b:u256 function g() { let c:u256} let d:u256 } }"
+	);
+}
+
+BOOST_AUTO_TEST_CASE(empty_block)
+{
+	CHECK(
+		"{ let a:u256 { } function f() -> x:bool { let b:u256 := 4:u256 {} for {} f() {} {} } }",
+		"{ function main() { let a:u256 { } } function f() -> x:bool { let b:u256 := 4:u256 {} for {} f() {} {} } }"
+	);
+}
+
+BOOST_AUTO_TEST_SUITE_END()