[PULL 2/7] qapi-schema: test: add a qapi-schema-test for array alternates

[Markus Armbruster <armbru@redhat.com>]

From: Paolo Bonzini <pbonzini@redhat.com>

Check that conflicts among array alternates are detected correctly.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20220321164243.200569-3-pbonzini@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
[Expected test output alternate-conflict-lists.json corrected]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
---
 tests/qapi-schema/alternate-conflict-lists.err  | 2 ++
 tests/qapi-schema/alternate-conflict-lists.json | 6 ++++++
 tests/qapi-schema/alternate-conflict-lists.out  | 0
 tests/qapi-schema/meson.build                   | 1 +
 4 files changed, 9 insertions(+)
 create mode 100644 tests/qapi-schema/alternate-conflict-lists.err
 create mode 100644 tests/qapi-schema/alternate-conflict-lists.json
 create mode 100644 tests/qapi-schema/alternate-conflict-lists.out

diff --git a/tests/qapi-schema/alternate-conflict-lists.err b/tests/qapi-schema/alternate-conflict-lists.err
new file mode 100644
index 0000000000..f3374ec1e7
--- /dev/null
+++ b/tests/qapi-schema/alternate-conflict-lists.err
@@ -0,0 +1,2 @@
+alternate-conflict-lists.json: In alternate 'Alt':
+alternate-conflict-lists.json:4: branch 'two' can't be distinguished from 'one'
diff --git a/tests/qapi-schema/alternate-conflict-lists.json b/tests/qapi-schema/alternate-conflict-lists.json
new file mode 100644
index 0000000000..a3efd6c501
--- /dev/null
+++ b/tests/qapi-schema/alternate-conflict-lists.json
@@ -0,0 +1,6 @@
+# Two lists conflict even if their inner types would be compatible
+{ 'struct': 'One',
+  'data': { 'name': 'str' } }
+{ 'alternate': 'Alt',
+  'data': { 'one': [ 'int' ],
+            'two': [ 'str' ] } }
diff --git a/tests/qapi-schema/alternate-conflict-lists.out b/tests/qapi-schema/alternate-conflict-lists.out
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/tests/qapi-schema/meson.build b/tests/qapi-schema/meson.build
index caf0791ba8..c18dd7d02f 100644
--- a/tests/qapi-schema/meson.build
+++ b/tests/qapi-schema/meson.build
@@ -11,6 +11,7 @@ schemas = [
   'alternate-conflict-dict.json',
   'alternate-conflict-enum-bool.json',
   'alternate-conflict-enum-int.json',
+  'alternate-conflict-lists.json',
   'alternate-conflict-string.json',
   'alternate-conflict-bool-string.json',
   'alternate-conflict-num-string.json',
-- 
2.35.1