libCom/test: Add epicsInlineTest

src/libCom/test/Makefile

@@ -22,6 +22,14 @@ epicsTypesTest_SRCS += epicsTypesTest.cpp
 testHarness_SRCS += epicsTypesTest.cpp
 TESTS += epicsTypesTest
 
+TESTPROD_HOST += epicsInlineTest
+epicsInlineTest_SRCS += epicsInlineTest1.c
+epicsInlineTest_SRCS += epicsInlineTest2.c
+epicsInlineTest_SRCS += epicsInlineTest3.cpp
+epicsInlineTest_SRCS += epicsInlineTest4.cpp
+testHarness_SRCS += $(epicsInlineTest_SRCS)
+TESTS += epicsInlineTest
+
 TESTPROD_HOST += epicsCalcTest
 epicsCalcTest_SRCS += epicsCalcTest.cpp
 testHarness_SRCS += epicsCalcTest.cpp

src/libCom/test/epicsInlineTest1.c

@@ -0,0 +1,64 @@
+/*************************************************************************\
+* Copyright (c) 2015 Brookhaven Science Associates, as Operator of
+*     Brookhaven National Laboratory.
+* EPICS BASE is distributed subject to a Software License Agreement found
+* in file LICENSE that is included with this distribution.
+\*************************************************************************/
+
+/* This test checks the variations on inline function defintions.
+ *
+ *  "static inline int func(void) {...}"
+ *
+ * Consistent meaning in C89, C99, and C++ (98 and 11).
+ * If not inline'd results in a private symbol in each compilation unit.
+ * Thus the non-inline'd version is duplicated in each compilation unit.
+ * However, definitions in different compilation units may be different.
+ *
+ *  "inline int func(void) {...}"
+ * Warning: Not consistent, avoid use in headers meant for C or C++
+ *
+ * In C++ this may be safely defined in more than one compilation unit.
+ * Where not inlined it will result in a weak public symbol.
+ * Thus non-inline'd version isn't duplicated, but must be the same
+ * in all compilation units.
+ *
+ */
+
+#include "compilerSpecific.h"
+#include "epicsUnitTest.h"
+
+#include "testMain.h"
+
+static EPICS_ALWAYS_INLINE int epicsInlineTestFn1(void)
+{
+    return 1;
+}
+
+/* Fails to link in C99
+inline int epicsInlineTestFn2(void)
+{
+    return 42;
+}
+*/
+
+void epicsInlineTest1(void)
+{
+    testDiag("epicsInlineTest1()");
+    testOk1(epicsInlineTestFn1()==1);
+    /*testOk1(epicsInlineTestFn2()==42);*/
+}
+
+void epicsInlineTest2(void);
+void epicsInlineTest3(void);
+void epicsInlineTest4(void);
+
+MAIN(epicsInlineTest)
+{
+  testPlan(6);
+  testDiag("Test variation on inline int func()");
+  epicsInlineTest1();
+  epicsInlineTest2();
+  epicsInlineTest3();
+  epicsInlineTest4();
+  return testDone();
+}

src/libCom/test/epicsInlineTest2.c

@@ -0,0 +1,28 @@
+/*************************************************************************\
+* Copyright (c) 2015 Brookhaven Science Associates, as Operator of
+*     Brookhaven National Laboratory.
+* EPICS BASE is distributed subject to a Software License Agreement found
+* in file LICENSE that is included with this distribution.
+\*************************************************************************/
+
+#include "compilerSpecific.h"
+#include "epicsUnitTest.h"
+
+static EPICS_ALWAYS_INLINE int epicsInlineTestFn1(void)
+{
+    return 2;
+}
+
+/* Fails to link in C99
+inline int epicsInlineTestFn2(void)
+{
+    return 42;
+}
+*/
+
+void epicsInlineTest2(void)
+{
+    testDiag("epicsInlineTest2()");
+    testOk1(epicsInlineTestFn1()==2);
+    /*testOk1(epicsInlineTestFn2()==42);*/
+}

src/libCom/test/epicsInlineTest3.cpp

@@ -0,0 +1,27 @@
+/*************************************************************************\
+* Copyright (c) 2015 Brookhaven Science Associates, as Operator of
+*     Brookhaven National Laboratory.
+* EPICS BASE is distributed subject to a Software License Agreement found
+* in file LICENSE that is included with this distribution.
+\*************************************************************************/
+
+#include "compilerSpecific.h"
+#include "epicsUnitTest.h"
+
+static EPICS_ALWAYS_INLINE int epicsInlineTestFn1(void)
+{
+    return 3;
+}
+
+inline int epicsInlineTestFn2(void)
+{
+    return 42;
+}
+
+extern "C"
+void epicsInlineTest3(void)
+{
+    testDiag("epicsInlineTest3()");
+    testOk1(epicsInlineTestFn1()==3);
+    testOk1(epicsInlineTestFn2()==42);
+}

src/libCom/test/epicsInlineTest4.cpp

@@ -0,0 +1,27 @@
+/*************************************************************************\
+* Copyright (c) 2015 Brookhaven Science Associates, as Operator of
+*     Brookhaven National Laboratory.
+* EPICS BASE is distributed subject to a Software License Agreement found
+* in file LICENSE that is included with this distribution.
+\*************************************************************************/
+
+#include "compilerSpecific.h"
+#include "epicsUnitTest.h"
+
+static EPICS_ALWAYS_INLINE int epicsInlineTestFn1(void)
+{
+    return 4;
+}
+
+inline int epicsInlineTestFn2(void)
+{
+    return 42;
+}
+
+extern "C"
+void epicsInlineTest4(void)
+{
+    testDiag("epicsInlineTest4()");
+    testOk1(epicsInlineTestFn1()==4);
+    testOk1(epicsInlineTestFn2()==42);
+}

src/libCom/test/epicsRunLibComTests.c

@@ -44,6 +44,7 @@ int epicsThreadTest(void);
 int epicsTimerTest(void);
 int epicsTimeTest(void);
 int epicsTypesTest(void);
+int epicsInlineTest(void);
 int macDefExpandTest(void);
 int macLibTest(void);
 int ringBytesTest(void);
@@ -92,6 +93,7 @@ void epicsRunLibComTests(void)
     runTest(epicsThreadPrivateTest);
     runTest(epicsTimeTest);
     runTest(epicsTypesTest);
+    runTest(epicsInlineTest);
     runTest(macDefExpandTest);
     runTest(macLibTest);
     runTest(ringBytesTest);