From: Mukund Sivaraman <muks@isc.org>
Date: Tue, 4 Feb 2014 05:33:59 +0000 (+0530)
Subject: [2518] Add C++ unittests for DNS exception hierarchy
X-Git-Tag: bind10-1.2.0beta1-release~48^2
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=5e1c35d6a779706ba16f3076a0f6fa21dbeea81d;p=thirdparty%2Fkea.git

[2518] Add C++ unittests for DNS exception hierarchy
---

diff --git a/src/lib/dns/tests/Makefile.am b/src/lib/dns/tests/Makefile.am
index 5029681a32..f982f886f6 100644
--- a/src/lib/dns/tests/Makefile.am
+++ b/src/lib/dns/tests/Makefile.am
@@ -21,6 +21,7 @@ TESTS =
 if HAVE_GTEST
 TESTS += run_unittests
 run_unittests_SOURCES = unittest_util.h unittest_util.cc
+run_unittests_SOURCES += dns_exceptions_unittest.cc
 run_unittests_SOURCES += edns_unittest.cc
 run_unittests_SOURCES += master_lexer_inputsource_unittest.cc
 run_unittests_SOURCES += labelsequence_unittest.cc
diff --git a/src/lib/dns/tests/dns_exceptions_unittest.cc b/src/lib/dns/tests/dns_exceptions_unittest.cc
new file mode 100644
index 0000000000..905e2caa76
--- /dev/null
+++ b/src/lib/dns/tests/dns_exceptions_unittest.cc
@@ -0,0 +1,69 @@
+// Copyright (C) 2014  Internet Systems Consortium, Inc. ("ISC")
+//
+// Permission to use, copy, modify, and/or distribute this software for any
+// purpose with or without fee is hereby granted, provided that the above
+// copyright notice and this permission notice appear in all copies.
+//
+// THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+// AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+// OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+// PERFORMANCE OF THIS SOFTWARE.
+
+#include <dns/exceptions.h>
+
+#include <gtest/gtest.h>
+
+namespace { // begin unnamed namespace
+
+TEST(DNSExceptionsTest, checkExceptionsHierarchy) {
+    EXPECT_NO_THROW({
+        const isc::dns::Exception exception("", 0, "");
+        const isc::Exception& exception_cast =
+          dynamic_cast<const isc::Exception&>(exception);
+        // to avoid compiler warning
+        exception_cast.what();
+    });
+
+    EXPECT_NO_THROW({
+        const isc::dns::DNSTextError exception("", 0, "");
+        const isc::dns::Exception& exception_cast =
+          dynamic_cast<const isc::dns::Exception&>(exception);
+        // to avoid compiler warning
+        exception_cast.what();
+    });
+
+    EXPECT_NO_THROW({
+        const isc::dns::NameParserException exception("", 0, "");
+        const isc::dns::DNSTextError& exception_cast =
+          dynamic_cast<const isc::dns::DNSTextError&>(exception);
+        // to avoid compiler warning
+        exception_cast.what();
+    });
+
+    EXPECT_NO_THROW({
+        const isc::dns::DNSMessageFORMERR exception("", 0, "");
+        const isc::dns::DNSProtocolError& exception_cast =
+          dynamic_cast<const isc::dns::DNSProtocolError&>(exception);
+        const isc::dns::Exception& exception_cast2 =
+          dynamic_cast<const isc::dns::Exception&>(exception);
+        // to avoid compiler warning
+        exception_cast.what();
+        exception_cast2.what();
+    });
+
+    EXPECT_NO_THROW({
+        const isc::dns::DNSMessageBADVERS exception("", 0, "");
+        const isc::dns::DNSProtocolError& exception_cast =
+          dynamic_cast<const isc::dns::DNSProtocolError&>(exception);
+        const isc::dns::Exception& exception_cast2 =
+          dynamic_cast<const isc::dns::Exception&>(exception);
+        // to avoid compiler warning
+        exception_cast.what();
+        exception_cast2.what();
+    });
+}
+
+} // end unnamed namespace
diff --git a/src/lib/dns/tests/name_unittest.cc b/src/lib/dns/tests/name_unittest.cc
index 10d1e550cc..435ae978f7 100644
--- a/src/lib/dns/tests/name_unittest.cc
+++ b/src/lib/dns/tests/name_unittest.cc
@@ -164,6 +164,64 @@ checkBadTextName(const string& txt) {
                  NameParserException);
 }
 
+TEST_F(NameTest, checkExceptionsHierarchy) {
+    EXPECT_NO_THROW({
+        const isc::dns::EmptyLabel exception("", 0, "");
+        const isc::dns::NameParserException& exception_cast =
+          dynamic_cast<const isc::dns::NameParserException&>(exception);
+        // to avoid compiler warning
+        exception_cast.what();
+    });
+
+    EXPECT_NO_THROW({
+        const isc::dns::TooLongName exception("", 0, "");
+        const isc::dns::NameParserException& exception_cast =
+          dynamic_cast<const isc::dns::NameParserException&>(exception);
+        // to avoid compiler warning
+        exception_cast.what();
+    });
+
+    EXPECT_NO_THROW({
+        const isc::dns::TooLongLabel exception("", 0, "");
+        const isc::dns::NameParserException& exception_cast =
+          dynamic_cast<const isc::dns::NameParserException&>(exception);
+        // to avoid compiler warning
+        exception_cast.what();
+    });
+
+    EXPECT_NO_THROW({
+        const isc::dns::BadLabelType exception("", 0, "");
+        const isc::dns::NameParserException& exception_cast =
+          dynamic_cast<const isc::dns::NameParserException&>(exception);
+        // to avoid compiler warning
+        exception_cast.what();
+    });
+
+    EXPECT_NO_THROW({
+        const isc::dns::BadEscape exception("", 0, "");
+        const isc::dns::NameParserException& exception_cast =
+          dynamic_cast<const isc::dns::NameParserException&>(exception);
+        // to avoid compiler warning
+        exception_cast.what();
+    });
+
+    EXPECT_NO_THROW({
+        const isc::dns::IncompleteName exception("", 0, "");
+        const isc::dns::NameParserException& exception_cast =
+          dynamic_cast<const isc::dns::NameParserException&>(exception);
+        // to avoid compiler warning
+        exception_cast.what();
+    });
+
+    EXPECT_NO_THROW({
+        const isc::dns::MissingNameOrigin exception("", 0, "");
+        const isc::dns::NameParserException& exception_cast =
+          dynamic_cast<const isc::dns::NameParserException&>(exception);
+        // to avoid compiler warning
+        exception_cast.what();
+    });
+}
+
 TEST_F(NameTest, fromText) {
     vector<string> strnames;
     strnames.push_back("www.example.com");