[master] add cppcheck suppression rule for an intentional self-equivalence test

okayed on jabber.

diff --git a/src/lib/dns/tests/labelsequence_unittest.cc b/src/lib/dns/tests/labelsequence_unittest.cc
index 5eb49416d00736f8ba503fb1156ba677daaaffa0..28f624aabde522dc966ad04bfeab9a0961b79cfd 100644 (file)
--- a/src/lib/dns/tests/labelsequence_unittest.cc
+++ b/src/lib/dns/tests/labelsequence_unittest.cc
@@ -180,6 +180,7 @@ TEST_F(LabelSequenceTest, equals_insensitive) {
 // operator==().  This is mostly trivial wrapper, so it should suffice to
 // check some basic cases.
 TEST_F(LabelSequenceTest, operatorEqual) {
+    // cppcheck-suppress duplicateExpression
     EXPECT_TRUE(ls1 == ls1);      // self equivalence
     EXPECT_TRUE(ls1 == LabelSequence(n1)); // equivalent two different objects
     EXPECT_FALSE(ls1 == ls2);      // non equivalent objects