tests/qapi-schema: Test for good feature lists in structs

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20190606153803.5278-3-armbru@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>

tests/qapi-schema/qapi-schema-test.json

@@ -242,3 +242,42 @@
   { 'foo': 'TestIfStruct',
     'bar': { 'type': ['TestIfEnum'], 'if': 'defined(TEST_IF_EVT_BAR)' } },
   'if': 'defined(TEST_IF_EVT) && defined(TEST_IF_STRUCT)' }
+
+# test 'features' for structs
+
+{ 'struct': 'FeatureStruct0',
+  'data': { 'foo': 'int' },
+  'features': [] }
+{ 'struct': 'FeatureStruct1',
+  'data': { 'foo': 'int' },
+  'features': [ 'feature1' ] }
+{ 'struct': 'FeatureStruct2',
+  'data': { 'foo': 'int' },
+  'features': [ { 'name': 'feature1' } ] }
+{ 'struct': 'FeatureStruct3',
+  'data': { 'foo': 'int' },
+  'features': [ 'feature1', 'feature2' ] }
+{ 'struct': 'FeatureStruct4',
+  'data': { 'namespace-test': 'int' },
+  'features': [ 'namespace-test', 'int', 'name', 'if' ] }
+
+{ 'struct': 'CondFeatureStruct1',
+  'data': { 'foo': 'int' },
+  'features': [ { 'name': 'feature1', 'if': 'defined(TEST_IF_FEATURE_1)'} ] }
+{ 'struct': 'CondFeatureStruct2',
+  'data': { 'foo': 'int' },
+  'features': [ { 'name': 'feature1', 'if': 'defined(TEST_IF_FEATURE_1)'},
+                { 'name': 'feature2', 'if': 'defined(TEST_IF_FEATURE_2)'} ] }
+{ 'struct': 'CondFeatureStruct3',
+  'data': { 'foo': 'int' },
+  'features': [ { 'name': 'feature1', 'if': [ 'defined(TEST_IF_COND_1)',
+                                              'defined(TEST_IF_COND_2)'] } ] }
+{ 'command': 'test-features',
+  'data': { 'fs0': 'FeatureStruct0',
+            'fs1': 'FeatureStruct1',
+            'fs2': 'FeatureStruct2',
+            'fs3': 'FeatureStruct3',
+            'fs4': 'FeatureStruct4',
+            'cfs1': 'CondFeatureStruct1',
+            'cfs2': 'CondFeatureStruct2',
+            'cfs3': 'CondFeatureStruct3' } }

tests/qapi-schema/qapi-schema-test.out

@@ -354,3 +354,46 @@ object q_obj_TestIfEvent-arg
 event TestIfEvent q_obj_TestIfEvent-arg
    boxed=False
     if ['defined(TEST_IF_EVT) && defined(TEST_IF_STRUCT)']
+object FeatureStruct0
+    member foo: int optional=False
+object FeatureStruct1
+    member foo: int optional=False
+    feature feature1
+object FeatureStruct2
+    member foo: int optional=False
+    feature feature1
+object FeatureStruct3
+    member foo: int optional=False
+    feature feature1
+    feature feature2
+object FeatureStruct4
+    member namespace-test: int optional=False
+    feature namespace-test
+    feature int
+    feature name
+    feature if
+object CondFeatureStruct1
+    member foo: int optional=False
+    feature feature1
+        if ['defined(TEST_IF_FEATURE_1)']
+object CondFeatureStruct2
+    member foo: int optional=False
+    feature feature1
+        if ['defined(TEST_IF_FEATURE_1)']
+    feature feature2
+        if ['defined(TEST_IF_FEATURE_2)']
+object CondFeatureStruct3
+    member foo: int optional=False
+    feature feature1
+        if ['defined(TEST_IF_COND_1)', 'defined(TEST_IF_COND_2)']
+object q_obj_test-features-arg
+    member fs0: FeatureStruct0 optional=False
+    member fs1: FeatureStruct1 optional=False
+    member fs2: FeatureStruct2 optional=False
+    member fs3: FeatureStruct3 optional=False
+    member fs4: FeatureStruct4 optional=False
+    member cfs1: CondFeatureStruct1 optional=False
+    member cfs2: CondFeatureStruct2 optional=False
+    member cfs3: CondFeatureStruct3 optional=False
+command test-features q_obj_test-features-arg -> None
+   gen=True success_response=True boxed=False oob=False preconfig=False

tests/qapi-schema/test-qapi.py

@@ -49,6 +49,10 @@ class QAPISchemaTestVisitor(QAPISchemaVisitor):
             self._print_if(m.ifcond, 8)
         self._print_variants(variants)
         self._print_if(ifcond)
+        if features:
+            for f in features:
+                print('    feature %s' % f.name)
+                self._print_if(f.ifcond, 8)
 
     def visit_alternate_type(self, name, info, ifcond, variants):
         print('alternate %s' % name)

tests/test-qmp-cmds.c

@@ -43,6 +43,14 @@ void qmp_user_def_cmd1(UserDefOne * ud1, Error **errp)
 {
 }
 
+void qmp_test_features(FeatureStruct0 *fs0, FeatureStruct1 *fs1,
+                       FeatureStruct2 *fs2, FeatureStruct3 *fs3,
+                       FeatureStruct4 *fs4, CondFeatureStruct1 *cfs1,
+                       CondFeatureStruct2 *cfs2, CondFeatureStruct3 *cfs3,
+                       Error **errp)
+{
+}
+
 UserDefTwo *qmp_user_def_cmd2(UserDefOne *ud1a,
                               bool has_udb1, UserDefOne *ud1b,
                               Error **errp)