allow override of sendBE and test all combinations

Cross-testing client/server with all byte order combinations.
2022-05-18 12:08:40 -07:00
parent cce797263d
commit ec8d0df1b3
8 changed files with 105 additions and 5 deletions
@@ -0,0 +1,73 @@
+/**
+ * Copyright - See the COPYRIGHT that is included with this distribution.
+ * pvxs is distributed subject to a Software License Agreement found
+ * in file LICENSE that is included with this distribution.
+ */
+#define PVXS_ENABLE_EXPERT_API
+
+#include <testMain.h>
+
+#include <epicsUnitTest.h>
+
+#include <epicsEvent.h>
+
+#include <pvxs/unittest.h>
+#include <pvxs/log.h>
+#include <pvxs/client.h>
+#include <pvxs/server.h>
+#include <pvxs/sharedpv.h>
+#include <pvxs/source.h>
+#include <pvxs/nt.h>
+
+namespace {
+using namespace pvxs;
+
+void testEndian(bool srvBE, bool cliBE)
+{
+    testDiag("%s(%c, %c)", __func__,
+             srvBE ? 'B' : 'L',
+             cliBE ? 'B' : 'L');
+
+    const auto proto = nt::NTScalar{TypeCode::UInt32}
+            .create()
+            .update("value", 42);
+
+    auto mbox(server::SharedPV::buildMailbox());
+
+    mbox.open(proto);
+
+    auto srv = server::Config::isolated()
+            .overrideSendBE(srvBE)
+            .build()
+            .addPV("dut", mbox)
+            .start();
+
+    auto cli = srv.clientConfig()
+            .overrideSendBE(cliBE)
+            .build();
+
+    try {
+        auto val = cli.get("dut")
+                .exec()
+                ->wait(5.0);
+
+        testEq(val["value"].as<uint32_t>(), 42u);
+    }catch(std::exception& e){
+        testFail("Unexpected exception: %s\n", e.what());
+    }
+}
+
+} // namespace
+
+MAIN(testendian)
+{
+    testPlan(4);
+    testSetup();
+    logger_config_env();
+    testEndian(false, false);
+    testEndian(false, true);
+    testEndian(true, false);
+    testEndian(true, true);
+    cleanup_for_valgrind();
+    return testDone();
+}