add tests relating to struct members

Author: ludviggunne

test/testconstructors.cpp

@@ -172,6 +172,7 @@ class TestConstructors : public TestFixture {
         TEST_CASE(uninitVar33); // ticket #10295
         TEST_CASE(uninitVar34); // ticket #10841
         TEST_CASE(uninitVar35);
+        TEST_CASE(uninitVar36);
         TEST_CASE(uninitVarEnum1);
         TEST_CASE(uninitVarEnum2); // ticket #8146
         TEST_CASE(uninitVarStream);
@@ -3020,6 +3021,16 @@ class TestConstructors : public TestFixture {
         ASSERT_EQUALS("", errout_str());
     }
 
+    void uninitVar36() {
+        check("struct S {\n"
+              "    unsigned int a : 16;\n"
+              "    unsigned int   : 8;\n"
+              "    unsigned int b : 8;\n"
+              "    S() : a(0) {}\n"
+              "};\n");
+        ASSERT_EQUALS("[test.cpp:5:5]: (warning) Member variable 'S::b' is not initialized in the constructor. [uninitMemberVar]\n", errout_str());
+    }
+
     void uninitVarArray1() {
         check("class John\n"
               "{\n"

test/testunusedvar.cpp

@@ -70,6 +70,7 @@ class TestUnusedVar : public TestFixture {
         TEST_CASE(structmember25);
         TEST_CASE(structmember26); // #13345
         TEST_CASE(structmember27); // #13367
+        TEST_CASE(structmember28);
         TEST_CASE(structmember_macro);
         TEST_CASE(structmember_template_argument); // #13887 - do not report that member used in template argument is unused
         TEST_CASE(classmember);
@@ -1998,6 +1999,14 @@ class TestUnusedVar : public TestFixture {
                       errout_str());
     }
 
+    void structmember28() {
+        checkStructMemberUsage("struct S {\n"
+                               "    unsigned int a : 16;\n"
+                               "    unsigned int : 16;\n"
+                               "};\n");
+        ASSERT_EQUALS("[test.cpp:2:18]: (style) struct member 'S::a' is never used. [unusedStructMember]\n", errout_str());
+    }
+
     void structmember_macro() {
         checkStructMemberUsageP("#define S(n) struct n { int a, b, c; };\n"
                                 "S(unused);\n");