diff --git a/tests/qapi-schema/alternate-clash.json b/tests/qapi-schema/alternate-clash.json
index 6d73bc527b9a7f4594e375e6a802f72cbf6bfb93..9a59b88ced0830854e0b277e6594faabc084f706 100644
--- a/tests/qapi-schema/alternate-clash.json
+++ b/tests/qapi-schema/alternate-clash.json
@@ -5,4 +5,4 @@
 # the implicit Alt1Kind enum, we would still have a collision with the
 # resulting C union trying to have two members named 'a_b'.
 { 'alternate': 'Alt1',
-  'data': { 'a-b': 'str', 'a_b': 'int' } }
+  'data': { 'a-b': 'bool', 'a_b': 'int' } }
diff --git a/tests/qapi-schema/alternate-nested.json b/tests/qapi-schema/alternate-nested.json
index 8e2218649158a5f322ee1c482c1d3a946d114527..f2b9632f751e5beb8f306e8973e502a033eb323d 100644
--- a/tests/qapi-schema/alternate-nested.json
+++ b/tests/qapi-schema/alternate-nested.json
@@ -1,5 +1,5 @@
 # we reject a nested alternate branch
 { 'alternate': 'Alt1',
-  'data': { 'name': 'str', 'value': 'int' } }
+  'data': { 'name': 'bool', 'value': 'int' } }
 { 'alternate': 'Alt2',
   'data': { 'nested': 'Alt1', 'b': 'bool' } }
diff --git a/tests/qapi-schema/args-alternate.json b/tests/qapi-schema/args-alternate.json
index 69e94d4819f8d5323bc8ff8587eab7555888119f..824d69c1d525991d701954e1c8cac8d49f6d5e9d 100644
--- a/tests/qapi-schema/args-alternate.json
+++ b/tests/qapi-schema/args-alternate.json
@@ -1,3 +1,3 @@
 # we do not allow alternate arguments
-{ 'alternate': 'Alt', 'data': { 'case1': 'int', 'case2': 'str' } }
+{ 'alternate': 'Alt', 'data': { 'case1': 'int', 'case2': 'bool' } }
 { 'command': 'oops', 'data': 'Alt' }
diff --git a/tests/qapi-schema/doc-bad-alternate-member.json b/tests/qapi-schema/doc-bad-alternate-member.json
index 738635ca8fd92cf0a53e92416c988d8d1e58a523..fa4143da4c4abb7ea4c1e2700ec71610072456ca 100644
--- a/tests/qapi-schema/doc-bad-alternate-member.json
+++ b/tests/qapi-schema/doc-bad-alternate-member.json
@@ -6,4 +6,4 @@
 # @bb: b
 ##
 { 'alternate': 'AorB',
-  'data': { 'a': 'str', 'b': 'int' } }
+  'data': { 'a': 'bool', 'b': 'int' } }
diff --git a/tests/qapi-schema/qapi-schema-test.json b/tests/qapi-schema/qapi-schema-test.json
index 842ea3c5e3414621380dc233d38e7facb7b4fd92..303f2b23cdccb330e3338709bca19fea963c8e19 100644
--- a/tests/qapi-schema/qapi-schema-test.json
+++ b/tests/qapi-schema/qapi-schema-test.json
@@ -93,16 +93,17 @@
 { 'struct': 'WrapAlternate',
   'data': { 'alt': 'UserDefAlternate' } }
 { 'alternate': 'UserDefAlternate',
-  'data': { 'udfu': 'UserDefFlatUnion', 's': 'str', 'i': 'int' } }
+  'data': { 'udfu': 'UserDefFlatUnion', 'e': 'EnumOne', 'i': 'int' } }
 
 { 'struct': 'UserDefC',
   'data': { 'string1': 'str', 'string2': 'str' } }
 
 # for testing use of 'number' within alternates
-{ 'alternate': 'AltStrBool', 'data': { 's': 'str', 'b': 'bool' } }
-{ 'alternate': 'AltStrNum', 'data': { 's': 'str', 'n': 'number' } }
+{ 'alternate': 'AltEnumBool', 'data': { 'e': 'EnumOne', 'b': 'bool' } }
+{ 'alternate': 'AltEnumNum', 'data': { 'e': 'EnumOne', 'n': 'number' } }
 { 'alternate': 'AltNumStr', 'data': { 'n': 'number', 's': 'str' } }
-{ 'alternate': 'AltStrInt', 'data': { 's': 'str', 'i': 'int' } }
+{ 'alternate': 'AltNumEnum', 'data': { 'n': 'number', 'e': 'EnumOne' } }
+{ 'alternate': 'AltEnumInt', 'data': { 'e': 'EnumOne', 'i': 'int' } }
 { 'alternate': 'AltIntNum', 'data': { 'i': 'int', 'n': 'number' } }
 { 'alternate': 'AltNumInt', 'data': { 'n': 'number', 'i': 'int' } }
 
diff --git a/tests/qapi-schema/qapi-schema-test.out b/tests/qapi-schema/qapi-schema-test.out
index 9d99c4eebbeb132ba5064eea330937b882a5fdb6..30810918183cbb8148cfeb492a382bbd4d7672a9 100644
--- a/tests/qapi-schema/qapi-schema-test.out
+++ b/tests/qapi-schema/qapi-schema-test.out
@@ -1,7 +1,23 @@
+alternate AltEnumBool
+    tag type
+    case e: EnumOne
+    case b: bool
+alternate AltEnumInt
+    tag type
+    case e: EnumOne
+    case i: int
+alternate AltEnumNum
+    tag type
+    case e: EnumOne
+    case n: number
 alternate AltIntNum
     tag type
     case i: int
     case n: number
+alternate AltNumEnum
+    tag type
+    case n: number
+    case e: EnumOne
 alternate AltNumInt
     tag type
     case n: number
@@ -10,18 +26,6 @@ alternate AltNumStr
     tag type
     case n: number
     case s: str
-alternate AltStrBool
-    tag type
-    case s: str
-    case b: bool
-alternate AltStrInt
-    tag type
-    case s: str
-    case i: int
-alternate AltStrNum
-    tag type
-    case s: str
-    case n: number
 event EVENT_A None
    boxed=False
 event EVENT_B None
@@ -66,7 +70,7 @@ object UserDefA
 alternate UserDefAlternate
     tag type
     case udfu: UserDefFlatUnion
-    case s: str
+    case e: EnumOne
     case i: int
 object UserDefB
     member intb: int optional=False
diff --git a/tests/qapi-schema/returns-alternate.json b/tests/qapi-schema/returns-alternate.json
index 972390c06b0825a8fe57cfc7d49a3df13ed4dcc9..f87371811b07f5d91fd5faa4873951b53f2a6580 100644
--- a/tests/qapi-schema/returns-alternate.json
+++ b/tests/qapi-schema/returns-alternate.json
@@ -1,3 +1,3 @@
 # we reject returns if it is an alternate type
-{ 'alternate': 'Alt', 'data': { 'a': 'int', 'b': 'str' } }
+{ 'alternate': 'Alt', 'data': { 'a': 'int', 'b': 'bool' } }
 { 'command': 'oops', 'returns': 'Alt' }
diff --git a/tests/test-clone-visitor.c b/tests/test-clone-visitor.c
index df0c0455121797b64067faf8ba9ba04e6c89ddb0..96982163e495b770c0c10994da94e8310cff860b 100644
--- a/tests/test-clone-visitor.c
+++ b/tests/test-clone-visitor.c
@@ -42,29 +42,28 @@ static void test_clone_struct(void)
 
 static void test_clone_alternate(void)
 {
-    AltStrBool *b_src, *s_src, *b_dst, *s_dst;
+    AltEnumBool *b_src, *s_src, *b_dst, *s_dst;
 
-    b_src = g_new0(AltStrBool, 1);
+    b_src = g_new0(AltEnumBool, 1);
     b_src->type = QTYPE_QBOOL;
     b_src->u.b = true;
-    s_src = g_new0(AltStrBool, 1);
+    s_src = g_new0(AltEnumBool, 1);
     s_src->type = QTYPE_QSTRING;
-    s_src->u.s = g_strdup("World");
+    s_src->u.e = ENUM_ONE_VALUE1;
 
-    b_dst = QAPI_CLONE(AltStrBool, b_src);
+    b_dst = QAPI_CLONE(AltEnumBool, b_src);
     g_assert(b_dst);
     g_assert_cmpint(b_dst->type, ==, b_src->type);
     g_assert_cmpint(b_dst->u.b, ==, b_src->u.b);
-    s_dst = QAPI_CLONE(AltStrBool, s_src);
+    s_dst = QAPI_CLONE(AltEnumBool, s_src);
     g_assert(s_dst);
     g_assert_cmpint(s_dst->type, ==, s_src->type);
-    g_assert_cmpstr(s_dst->u.s, ==, s_src->u.s);
-    g_assert(s_dst->u.s != s_src->u.s);
+    g_assert_cmpint(s_dst->u.e, ==, s_src->u.e);
 
-    qapi_free_AltStrBool(b_src);
-    qapi_free_AltStrBool(s_src);
-    qapi_free_AltStrBool(b_dst);
-    qapi_free_AltStrBool(s_dst);
+    qapi_free_AltEnumBool(b_src);
+    qapi_free_AltEnumBool(s_src);
+    qapi_free_AltEnumBool(b_dst);
+    qapi_free_AltEnumBool(s_dst);
 }
 
 static void test_clone_native_list(void)
diff --git a/tests/test-qobject-input-visitor.c b/tests/test-qobject-input-visitor.c
index e2aabbe97284d9244b9e04f2d630cb299285d701..6b997a177d799e5f01a2614bf958744dc16aef6d 100644
--- a/tests/test-qobject-input-visitor.c
+++ b/tests/test-qobject-input-visitor.c
@@ -537,10 +537,10 @@ static void test_visitor_in_alternate(TestInputVisitorData *data,
     g_assert_cmpint(tmp->u.i, ==, 42);
     qapi_free_UserDefAlternate(tmp);
 
-    v = visitor_input_test_init(data, "'string'");
+    v = visitor_input_test_init(data, "'value1'");
     visit_type_UserDefAlternate(v, NULL, &tmp, &error_abort);
     g_assert_cmpint(tmp->type, ==, QTYPE_QSTRING);
-    g_assert_cmpstr(tmp->u.s, ==, "string");
+    g_assert_cmpint(tmp->u.e, ==, ENUM_ONE_VALUE1);
     qapi_free_UserDefAlternate(tmp);
 
     v = visitor_input_test_init(data, "{'integer':1, 'string':'str', "
@@ -565,10 +565,10 @@ static void test_visitor_in_alternate(TestInputVisitorData *data,
     g_assert_cmpint(wrap->alt->u.i, ==, 42);
     qapi_free_WrapAlternate(wrap);
 
-    v = visitor_input_test_init(data, "{ 'alt': 'string' }");
+    v = visitor_input_test_init(data, "{ 'alt': 'value1' }");
     visit_type_WrapAlternate(v, NULL, &wrap, &error_abort);
     g_assert_cmpint(wrap->alt->type, ==, QTYPE_QSTRING);
-    g_assert_cmpstr(wrap->alt->u.s, ==, "string");
+    g_assert_cmpint(wrap->alt->u.e, ==, ENUM_ONE_VALUE1);
     qapi_free_WrapAlternate(wrap);
 
     v = visitor_input_test_init(data, "{ 'alt': {'integer':1, 'string':'str', "
@@ -588,37 +588,37 @@ static void test_visitor_in_alternate_number(TestInputVisitorData *data,
 {
     Visitor *v;
     Error *err = NULL;
-    AltStrBool *asb;
-    AltStrNum *asn;
-    AltNumStr *ans;
-    AltStrInt *asi;
+    AltEnumBool *aeb;
+    AltEnumNum *aen;
+    AltNumEnum *ans;
+    AltEnumInt *asi;
     AltIntNum *ain;
     AltNumInt *ani;
 
     /* Parsing an int */
 
     v = visitor_input_test_init(data, "42");
-    visit_type_AltStrBool(v, NULL, &asb, &err);
+    visit_type_AltEnumBool(v, NULL, &aeb, &err);
     error_free_or_abort(&err);
-    qapi_free_AltStrBool(asb);
+    qapi_free_AltEnumBool(aeb);
 
     v = visitor_input_test_init(data, "42");
-    visit_type_AltStrNum(v, NULL, &asn, &error_abort);
-    g_assert_cmpint(asn->type, ==, QTYPE_QFLOAT);
-    g_assert_cmpfloat(asn->u.n, ==, 42);
-    qapi_free_AltStrNum(asn);
+    visit_type_AltEnumNum(v, NULL, &aen, &error_abort);
+    g_assert_cmpint(aen->type, ==, QTYPE_QFLOAT);
+    g_assert_cmpfloat(aen->u.n, ==, 42);
+    qapi_free_AltEnumNum(aen);
 
     v = visitor_input_test_init(data, "42");
-    visit_type_AltNumStr(v, NULL, &ans, &error_abort);
+    visit_type_AltNumEnum(v, NULL, &ans, &error_abort);
     g_assert_cmpint(ans->type, ==, QTYPE_QFLOAT);
     g_assert_cmpfloat(ans->u.n, ==, 42);
-    qapi_free_AltNumStr(ans);
+    qapi_free_AltNumEnum(ans);
 
     v = visitor_input_test_init(data, "42");
-    visit_type_AltStrInt(v, NULL, &asi, &error_abort);
+    visit_type_AltEnumInt(v, NULL, &asi, &error_abort);
     g_assert_cmpint(asi->type, ==, QTYPE_QINT);
     g_assert_cmpint(asi->u.i, ==, 42);
-    qapi_free_AltStrInt(asi);
+    qapi_free_AltEnumInt(asi);
 
     v = visitor_input_test_init(data, "42");
     visit_type_AltIntNum(v, NULL, &ain, &error_abort);
@@ -635,26 +635,26 @@ static void test_visitor_in_alternate_number(TestInputVisitorData *data,
     /* Parsing a double */
 
     v = visitor_input_test_init(data, "42.5");
-    visit_type_AltStrBool(v, NULL, &asb, &err);
+    visit_type_AltEnumBool(v, NULL, &aeb, &err);
     error_free_or_abort(&err);
-    qapi_free_AltStrBool(asb);
+    qapi_free_AltEnumBool(aeb);
 
     v = visitor_input_test_init(data, "42.5");
-    visit_type_AltStrNum(v, NULL, &asn, &error_abort);
-    g_assert_cmpint(asn->type, ==, QTYPE_QFLOAT);
-    g_assert_cmpfloat(asn->u.n, ==, 42.5);
-    qapi_free_AltStrNum(asn);
+    visit_type_AltEnumNum(v, NULL, &aen, &error_abort);
+    g_assert_cmpint(aen->type, ==, QTYPE_QFLOAT);
+    g_assert_cmpfloat(aen->u.n, ==, 42.5);
+    qapi_free_AltEnumNum(aen);
 
     v = visitor_input_test_init(data, "42.5");
-    visit_type_AltNumStr(v, NULL, &ans, &error_abort);
+    visit_type_AltNumEnum(v, NULL, &ans, &error_abort);
     g_assert_cmpint(ans->type, ==, QTYPE_QFLOAT);
     g_assert_cmpfloat(ans->u.n, ==, 42.5);
-    qapi_free_AltNumStr(ans);
+    qapi_free_AltNumEnum(ans);
 
     v = visitor_input_test_init(data, "42.5");
-    visit_type_AltStrInt(v, NULL, &asi, &err);
+    visit_type_AltEnumInt(v, NULL, &asi, &err);
     error_free_or_abort(&err);
-    qapi_free_AltStrInt(asi);
+    qapi_free_AltEnumInt(asi);
 
     v = visitor_input_test_init(data, "42.5");
     visit_type_AltIntNum(v, NULL, &ain, &error_abort);
diff --git a/tests/test-qobject-output-visitor.c b/tests/test-qobject-output-visitor.c
index 94b9518e4020fa20ad4e9961dfdb718b01422100..4e8fdf139777554ca713c3c2b2ca087be45711d5 100644
--- a/tests/test-qobject-output-visitor.c
+++ b/tests/test-qobject-output-visitor.c
@@ -406,12 +406,12 @@ static void test_visitor_out_alternate(TestOutputVisitorData *data,
     visitor_reset(data);
     tmp = g_new0(UserDefAlternate, 1);
     tmp->type = QTYPE_QSTRING;
-    tmp->u.s = g_strdup("hello");
+    tmp->u.e = ENUM_ONE_VALUE1;
 
     visit_type_UserDefAlternate(data->ov, NULL, &tmp, &error_abort);
     qstr = qobject_to_qstring(visitor_get(data));
     g_assert(qstr);
-    g_assert_cmpstr(qstring_get_str(qstr), ==, "hello");
+    g_assert_cmpstr(qstring_get_str(qstr), ==, "value1");
 
     qapi_free_UserDefAlternate(tmp);