Improve failure mode in complexity_test.cc
diff --git a/test/complexity_test.cc b/test/complexity_test.cc
index 8ab88f9..6051f84 100644
--- a/test/complexity_test.cc
+++ b/test/complexity_test.cc
@@ -36,18 +36,27 @@
CHECK(err_str.empty()) << "Could not construct regex \"" << regex << "\""
<< " got Error: " << err_str;
+ std::string near = "<EOF>";
std::string line;
+ bool first = true;
while (remaining_output.eof() == false) {
CHECK(remaining_output.good());
std::getline(remaining_output, line);
+ // Keep the first line as context.
+ if (first) {
+ near = line;
+ first = false;
+ }
if (r.Match(line)) return;
CHECK(match_rule != MR_Next) << "Expected line \"" << line
- << "\" to match regex \"" << regex << "\"";
+ << "\" to match regex \"" << regex << "\""
+ << "\nstarted matching at line: \"" << near << "\"";
}
CHECK(remaining_output.eof() == false)
<< "End of output reached before match for regex \"" << regex
- << "\" was found";
+ << "\" was found"
+ << "\nstarted matching at line: \"" << near << "\"";
}
};
