From c864ea219968d7f4b5aa63340dab75c839a9bbf2 Mon Sep 17 00:00:00 2001
From: Niels <niels.lohmann@gmail.com>
Date: Fri, 13 Feb 2015 18:57:28 +0100
Subject: [PATCH] systematic test case for \uxxxx sequences
---
test/unit.cpp | 67 +++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 67 insertions(+)
diff --git a/test/unit.cpp b/test/unit.cpp
index 99788efa..1535bc91 100644
--- a/test/unit.cpp
+++ b/test/unit.cpp
@@ -5259,5 +5259,72 @@ TEST_CASE("parser class")
}
}
}
+
+ // invalid \uxxxx escapes
+ {
+ // check whether character is a valid hex character
+ const auto valid = [](int c)
+ {
+ switch (c)
+ {
+ case ('0'):
+ case ('1'):
+ case ('2'):
+ case ('3'):
+ case ('4'):
+ case ('5'):
+ case ('6'):
+ case ('7'):
+ case ('8'):
+ case ('9'):
+ case ('a'):
+ case ('b'):
+ case ('c'):
+ case ('d'):
+ case ('e'):
+ case ('f'):
+ case ('A'):
+ case ('B'):
+ case ('C'):
+ case ('D'):
+ case ('E'):
+ case ('F'):
+ {
+ return true;
+ }
+
+ default:
+ {
+ return false;
+ }
+ }
+ };
+
+ for (int c = 1; c < 128; ++c)
+ {
+ std::string s = "\"\\u";
+
+ // create a string with the iterated character at each position
+ auto s1 = s + "000" + std::string(1, c) + "\"";
+ auto s2 = s + "00" + std::string(1, c) + "0\"";
+ auto s3 = s + "0" + std::string(1, c) + "00\"";
+ auto s4 = s + std::string(1, c) + "000\"";
+
+ if (valid(c))
+ {
+ CHECK_NOTHROW(json::parser(s1).parse());
+ CHECK_NOTHROW(json::parser(s2).parse());
+ CHECK_NOTHROW(json::parser(s3).parse());
+ CHECK_NOTHROW(json::parser(s4).parse());
+ }
+ else
+ {
+ CHECK_THROWS_AS(json::parser(s1).parse(), std::invalid_argument);
+ CHECK_THROWS_AS(json::parser(s2).parse(), std::invalid_argument);
+ CHECK_THROWS_AS(json::parser(s3).parse(), std::invalid_argument);
+ CHECK_THROWS_AS(json::parser(s4).parse(), std::invalid_argument);
+ }
+ }
+ }
}
}