Fix off-by-one error in Regex::isValid
llvm-svn: 187992
diff --git a/llvm/unittests/Support/RegexTest.cpp b/llvm/unittests/Support/RegexTest.cpp
index 02869b3..7b977f7 100644
--- a/llvm/unittests/Support/RegexTest.cpp
+++ b/llvm/unittests/Support/RegexTest.cpp
@@ -127,4 +127,12 @@
EXPECT_FALSE(Regex::isLiteralERE("abc{1,2}"));
}
+TEST_F(RegexTest, IsValid) {
+ std::string Error;
+ EXPECT_FALSE(Regex("(foo").isValid(Error));
+ EXPECT_EQ("parentheses not balanced", Error);
+ EXPECT_FALSE(Regex("a[b-").isValid(Error));
+ EXPECT_EQ("invalid character range", Error);
+}
+
}