Add C++ test program, proving C++ consumers work.

We fixed up the coverage flags for GNU C, but are not going to run
the C++ tests when doing coverage (they fail linking gcov for reasons
unknown.)

2 files changed, 91 insertions, 0 deletions

diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index c6f6872c..0c0973b2 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -76,9 +76,32 @@ if (NNG_TESTS)
         math (EXPR TEST_PORT "${TEST_PORT}+10")
     endmacro (add_nng_compat_test)
 
+    macro (add_nng_cpp_test NAME TIMEOUT)
+        if (NOT NNG_ENABLE_COVERAGE)
+            enable_language (CXX)
+            list (APPEND all_tests ${NAME})
+            add_executable (${NAME} ${NAME}.cc)
+            target_link_libraries (${NAME} ${PROJECT_NAME}_static)
+            target_link_libraries (${NAME} ${NNG_REQUIRED_LIBRARIES})
+            target_compile_definitions(${NAME} PUBLIC -DNNG_STATIC_LIB)
+            if (CMAKE_THREAD_LIBS_INIT)
+                target_link_libraries (${NAME} "${CMAKE_THREAD_LIBS_INIT}")
+            endif()
+
+            add_test (NAME ${NAME} COMMAND ${NAME} ${TEST_PORT})
+            set_tests_properties (${NAME} PROPERTIES TIMEOUT ${TIMEOUT})
+            math (EXPR TEST_PORT "${TEST_PORT}+10")
+        endif()
+    endmacro (add_nng_cpp_test)
+
+
 else ()
     macro (add_nng_test NAME TIMEOUT)
     endmacro (add_nng_test)
+    macro (add_nng_compat_test NAME TIMEOUT)
+    endmacro (add_nng_compat_test)
+    macro (add_nng_cpp_test NAME TIMEOUT)
+    endmacro (add_nng_cpp_test)
 endif ()
 
 add_nng_test(bus 5)
@@ -120,3 +143,5 @@ add_nng_compat_test(compat_survey 5)
 add_nng_compat_test(compat_reqttl 5)
 add_nng_compat_test(compat_shutdown 5)
 
+# c++ tests
+add_nng_cpp_test(cplusplus_pair 5)
diff --git a/tests/cplusplus_pair.cc b/tests/cplusplus_pair.cc
new file mode 100644
index 00000000..54a99737
--- /dev/null
+++ b/tests/cplusplus_pair.cc
@@ -0,0 +1,66 @@
+//
+//  Copyright 2017 Garrett D'Amore <garrett@damore.org>
+//
+// This software is supplied under the terms of the MIT License, a
+// copy of which should be located in the distribution where this
+// file was obtained (LICENSE.txt).  A copy of the license may also be
+// found online at https://opensource.org/licenses/MIT.
+//
+
+#include "nng.h"
+
+#include <cstring>
+
+#define SOCKET_ADDRESS "inproc://c++"
+
+int
+main(int argc, char **argv)
+{
+    nng_socket s1;
+    nng_socket s2;
+    int rv;
+    size_t sz;
+    char buf[8];
+
+    if ((rv = nng_pair0_open(&s1)) != 0) {
+	throw nng_strerror(rv);
+    }
+    if ((rv = nng_pair0_open(&s2)) != 0) {
+	throw nng_strerror(rv);
+    }
+    if ((rv = nng_listen(s1, SOCKET_ADDRESS, NULL, 0)) != 0) {
+	throw nng_strerror(rv);
+    }
+    if ((rv = nng_dial(s2, SOCKET_ADDRESS, NULL, 0)) != 0) {
+	throw nng_strerror(rv);
+    }
+    if ((rv = nng_send(s2, (void *)"ABC", 4, 0)) != 0) {
+	throw nng_strerror(rv);
+    }
+    sz = sizeof (buf);
+    if ((rv = nng_recv(s1, buf, &sz, 0)) != 0) {
+        throw nng_strerror(rv);
+    }
+    if ((sz != 4) || (memcmp(buf, "ABC", 4) != 0)) {
+        throw "Contents did not match";
+    }
+    if ((rv = nng_send(s1, (void *)"DEF", 4, 0)) != 0) {
+	throw nng_strerror(rv);
+    }
+    sz = sizeof (buf);
+    if ((rv = nng_recv(s2, buf, &sz, 0)) != 0) {
+        throw nng_strerror(rv);
+    }
+    if ((sz != 4) || (memcmp(buf, "DEF", 4) != 0)) {
+        throw "Contents did not match";
+    }
+    if ((rv = nng_close(s1)) != 0) {
+        throw nng_strerror(rv);
+    }
+    if ((rv = nng_close(s2)) != 0) {
+        throw nng_strerror(rv);
+    }
+
+    return (0);
+}
+