qapi: Remove obsolete tests for MAX collision

Now that we no longer collide with an implicit _MAX enum member,
we no longer need to reject it in the ad hoc parser, and can
remove several tests that are no longer needed.
Signed-off-by: NEric Blake <eblake@redhat.com>
Message-Id: <1447836791-369-24-git-send-email-eblake@redhat.com>
[Commit message tweaked]
Signed-off-by: NMarkus Armbruster <armbru@redhat.com>

scripts/qapi.py

@@ -537,8 +537,6 @@ def check_event(expr, expr_info):
     global events
     name = expr['event']
 
-    if name.upper() == 'MAX':
-        raise QAPIExprError(expr_info, "Event name 'MAX' cannot be created")
     events.append(name)
     check_type(expr_info, "'data' for event '%s'" % name,
                expr.get('data'), allow_dict=True, allow_optional=True,
@@ -550,7 +548,7 @@ def check_union(expr, expr_info):
     base = expr.get('base')
     discriminator = expr.get('discriminator')
     members = expr['data']
-    values = {'MAX': '(automatic)'}
+    values = {}
 
     # Two types of unions, determined by discriminator.
 
@@ -629,7 +627,7 @@ def check_union(expr, expr_info):
 def check_alternate(expr, expr_info):
     name = expr['alternate']
     members = expr['data']
-    values = {'MAX': '(automatic)'}
+    values = {}
     types_seen = {}
 
     # Check every branch
@@ -662,7 +660,7 @@ def check_enum(expr, expr_info):
     name = expr['enum']
     members = expr.get('data')
     prefix = expr.get('prefix')
-    values = {'MAX': '(automatic)'}
+    values = {}
 
     if not isinstance(members, list):
         raise QAPIExprError(expr_info,

tests/Makefile

@@ -267,14 +267,12 @@ qapi-schema += enum-bad-prefix.json
 qapi-schema += enum-clash-member.json
 qapi-schema += enum-dict-member.json
 qapi-schema += enum-int-member.json
-qapi-schema += enum-max-member.json
 qapi-schema += enum-missing-data.json
 qapi-schema += enum-wrong-data.json
 qapi-schema += escape-outside-string.json
 qapi-schema += escape-too-big.json
 qapi-schema += escape-too-short.json
 qapi-schema += event-case.json
-qapi-schema += event-max.json
 qapi-schema += event-nest-struct.json
 qapi-schema += flat-union-array-branch.json
 qapi-schema += flat-union-bad-base.json
@@ -347,7 +345,6 @@ qapi-schema += union-clash-branches.json
 qapi-schema += union-clash-data.json
 qapi-schema += union-empty.json
 qapi-schema += union-invalid-base.json
-qapi-schema += union-max.json
 qapi-schema += union-optional-branch.json
 qapi-schema += union-unknown.json
 qapi-schema += unknown-escape.json

tests/qapi-schema/enum-max-member.err

-tests/qapi-schema/enum-max-member.json:3: Enum 'MyEnum' member 'max' clashes with '(automatic)'

tests/qapi-schema/enum-max-member.exit

-1

tests/qapi-schema/enum-max-member.json

-# we reject user-supplied 'max' for clashing with implicit enum end
-# TODO: should we instead munge the implicit value to avoid the clash?
-{ 'enum': 'MyEnum', 'data': [ 'max' ] }

tests/qapi-schema/event-max.err

-tests/qapi-schema/event-max.json:2: Event name 'MAX' cannot be created

tests/qapi-schema/event-max.exit

-1

tests/qapi-schema/event-max.json

-# an event named 'MAX' would conflict with implicit C enum
-{ 'event': 'MAX' }

tests/qapi-schema/union-max.err

-tests/qapi-schema/union-max.json:2: Union 'Union' member 'max' clashes with '(automatic)'

tests/qapi-schema/union-max.exit

-1

tests/qapi-schema/union-max.json

-# we reject 'max' branch in a union, for collision with C enum
-{ 'union': 'Union',
-  'data': { 'max': 'int' } }