Add basic test for shift opcodes

Author: axic

test/libsolidity/InlineAssembly.cpp

@@ -774,6 +774,20 @@ BOOST_AUTO_TEST_CASE(create2)
 	BOOST_CHECK(successAssemble("{ pop(create2(10, 0x123, 32, 64)) }"));
 }
 
+BOOST_AUTO_TEST_CASE(shift)
+{
+	BOOST_CHECK(successAssemble("{ pop(shl(10, 32)) }"));
+	BOOST_CHECK(successAssemble("{ pop(shr(10, 32)) }"));
+	BOOST_CHECK(successAssemble("{ pop(sar(10, 32)) }"));
+}
+
+BOOST_AUTO_TEST_CASE(shift_constantinople_warning)
+{
+	CHECK_PARSE_WARNING("{ pop(shl(10, 32)) }", Warning, "The \"shl\" instruction is only available after the Constantinople hard fork");
+	CHECK_PARSE_WARNING("{ pop(shr(10, 32)) }", Warning, "The \"shr\" instruction is only available after the Constantinople hard fork");
+	CHECK_PARSE_WARNING("{ pop(sar(10, 32)) }", Warning, "The \"sar\" instruction is only available after the Constantinople hard fork");
+}
+
 BOOST_AUTO_TEST_CASE(jump_warning)
 {
 	CHECK_PARSE_WARNING("{ 1 jump }", Warning, "Jump instructions");