Merge pull request #3503 from ethereum/develop

Merge develop into release for v0.4.20.

1 files changed, 39 insertions, 0 deletions

diff --git a/test/libsolidity/ErrorCheck.cpp b/test/libsolidity/ErrorCheck.cpp
index b1e94061..fba2c897 100644
--- a/test/libsolidity/ErrorCheck.cpp
+++ b/test/libsolidity/ErrorCheck.cpp
@@ -23,8 +23,19 @@
 #include <libdevcore/Exceptions.h>
 
 #include <string>
+#include <set>
 
 using namespace std;
+using namespace dev;
+using namespace dev::solidity;
+
+namespace
+{
+std::string errorMessage(Error const& _e)
+{
+	return _e.comment() ? *_e.comment() : "NONE";
+}
+}
 
 bool dev::solidity::searchErrorMessage(Error const& _err, std::string const& _substr)
 {
@@ -41,3 +52,31 @@ bool dev::solidity::searchErrorMessage(Error const& _err, std::string const& _su
 		cout << "Expected error message but found none." << endl;
 	return _substr.empty();
 }
+
+string dev::solidity::searchErrors(ErrorList const& _errors, vector<pair<Error::Type, string>> const& _expectations)
+{
+	auto expectations = _expectations;
+	for (auto const& error: _errors)
+	{
+		string msg = errorMessage(*error);
+		bool found = false;
+		for (auto it = expectations.begin(); it != expectations.end(); ++it)
+			if (msg.find(it->second) != string::npos && error->type() == it->first)
+			{
+				found = true;
+				expectations.erase(it);
+				break;
+			}
+		if (!found)
+			return "Unexpected error: " + error->typeName() + ": " + msg;
+	}
+	if (!expectations.empty())
+	{
+		string msg = "Expected error(s) not present:\n";
+		for (auto const& expectation: expectations)
+			msg += expectation.second + "\n";
+		return msg;
+	}
+
+	return "";
+}