Add getAsUnsignedInteger test case that checks that known bad values are rejected
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165136 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/unittests/ADT/StringRefTest.cpp b/unittests/ADT/StringRefTest.cpp
index 315eacb..59eed54 100644
--- a/unittests/ADT/StringRefTest.cpp
+++ b/unittests/ADT/StringRefTest.cpp
@@ -456,4 +456,23 @@
}
}
+
+static const char* BadStrings[] = {
+ "18446744073709551617" // value just over max
+ , "123456789012345678901" // value way too large
+ , "4t23v" // illegal decimal characters
+ , "0x123W56" // illegal hex characters
+};
+
+
+TEST(StringRefTest, getAsUnsignedIntegerBadStrings) {
+ uint64_t U64;
+ for (size_t i = 0; i < array_lengthof(BadStrings); ++i) {
+ bool IsBadNumber = getAsUnsignedInteger(BadStrings[i], 0, U64);
+ ASSERT_TRUE(IsBadNumber);
+ }
+}
+
+
+
} // end anonymous namespace