aboutsummaryrefslogtreecommitdiffstats
path: root/test/libsolidity/Metadata.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'test/libsolidity/Metadata.cpp')
-rw-r--r--test/libsolidity/Metadata.cpp60
1 files changed, 60 insertions, 0 deletions
diff --git a/test/libsolidity/Metadata.cpp b/test/libsolidity/Metadata.cpp
new file mode 100644
index 00000000..7f089a1d
--- /dev/null
+++ b/test/libsolidity/Metadata.cpp
@@ -0,0 +1,60 @@
+/*
+ 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 2017
+ * Unit tests for the metadata output.
+ */
+
+#include "../TestHelper.h"
+#include <libsolidity/interface/CompilerStack.h>
+#include <libdevcore/SwarmHash.h>
+
+namespace dev
+{
+namespace solidity
+{
+namespace test
+{
+
+BOOST_AUTO_TEST_SUITE(Metadata)
+
+BOOST_AUTO_TEST_CASE(metadata_stamp)
+{
+ // Check that the metadata stamp is at the end of the runtime bytecode.
+ char const* sourceCode = R"(
+ pragma solidity >=0.0;
+ contract test {
+ function g(function(uint) external returns (uint) x) {}
+ }
+ )";
+ CompilerStack compilerStack;
+ BOOST_REQUIRE(compilerStack.compile(std::string(sourceCode)));
+ bytes const& bytecode = compilerStack.runtimeObject("test").bytecode;
+ bytes hash = dev::swarmHash(compilerStack.onChainMetadata("test")).asBytes();
+ BOOST_REQUIRE(hash.size() == 32);
+ BOOST_REQUIRE(bytecode.size() >= 2);
+ size_t metadataCBORSize = (size_t(bytecode.end()[-2]) << 8) + size_t(bytecode.end()[-1]);
+ BOOST_REQUIRE(metadataCBORSize < bytecode.size() - 2);
+ bytes expectation = bytes{0xa1, 0x65, 'b', 'z', 'z', 'r', '0', 0x58, 0x20} + hash;
+ BOOST_CHECK(std::equal(expectation.begin(), expectation.end(), bytecode.end() - metadataCBORSize - 2));
+}
+
+BOOST_AUTO_TEST_SUITE_END()
+
+}
+}
+}