From c3fc2da7637eb7f7d0c8930845b373fc0ea5be78 Mon Sep 17 00:00:00 2001
From: chriseth <chris@ethereum.org>
Date: Mon, 3 Dec 2018 18:15:32 +0100
Subject: Tests for parser for builtins.

---
 test/libyul/Parser.cpp | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/test/libyul/Parser.cpp b/test/libyul/Parser.cpp
index 95ae8959..fe66847f 100644
--- a/test/libyul/Parser.cpp
+++ b/test/libyul/Parser.cpp
@@ -302,6 +302,23 @@ BOOST_AUTO_TEST_CASE(if_statement_invalid)
 	BOOST_CHECK(successParse("{ if 42:u256 { } }"));
 }
 
+BOOST_AUTO_TEST_CASE(builtins_parser)
+{
+	struct SimpleBuiltins: public Builtins
+	{
+		BuiltinFunction const* query(YulString _name) const override
+		{
+			return _name == YulString{"builtin"} ? &f : nullptr;
+		}
+		BuiltinFunction f;
+	};
+
+	Dialect dialect(AsmFlavour::Strict, make_shared<SimpleBuiltins>());
+	CHECK_ERROR_DIALECT("{ let builtin := 6 }", ParserError, "Cannot use builtin function name \"builtin\" as identifier name.", dialect);
+	CHECK_ERROR_DIALECT("{ function builtin() {} }", ParserError, "Cannot use builtin function name \"builtin\" as identifier name.", dialect);
+	CHECK_ERROR_DIALECT("{ builtin := 6 }", ParserError, "Cannot assign to builtin function \"builtin\".", dialect);
+}
+
 BOOST_AUTO_TEST_SUITE_END()
 
 }
-- 
cgit