import WebIDL def WebIDLTest(parser, harness): parser.parse("interface mixin Foo { };") results = parser.finish() harness.ok(True, "Empty interface mixin parsed without error.") harness.check(len(results), 1, "Should be one production") harness.ok( isinstance(results[0], WebIDL.IDLInterfaceMixin), "Should be an IDLInterfaceMixin", ) mixin = results[0] harness.check( mixin.identifier.QName(), "::Foo", "Interface mixin has the right QName" ) harness.check(mixin.identifier.name, "Foo", "Interface mixin has the right name") parser = parser.reset() parser.parse( """ interface mixin QNameBase { const long foo = 3; }; """ ) results = parser.finish() harness.check(len(results), 1, "Should be one productions") harness.ok( isinstance(results[0], WebIDL.IDLInterfaceMixin), "Should be an IDLInterfaceMixin", ) harness.check(len(results[0].members), 1, "Expect 1 productions") mixin = results[0] harness.check( mixin.members[0].identifier.QName(), "::QNameBase::foo", "Member has the right QName", ) parser = parser.reset() parser.parse( """ interface mixin A { readonly attribute boolean x; undefined foo(); }; partial interface mixin A { readonly attribute boolean y; undefined foo(long arg); }; """ ) results = parser.finish() harness.check( len(results), 2, "Should have two results with partial interface mixin" ) mixin = results[0] harness.check( len(mixin.members), 3, "Should have three members with partial interface mixin" ) harness.check( mixin.members[0].identifier.name, "x", "First member should be x with partial interface mixin", ) harness.check( mixin.members[1].identifier.name, "foo", "Second member should be foo with partial interface mixin", ) harness.check( len(mixin.members[1].signatures()), 2, "Should have two foo signatures with partial interface mixin", ) harness.check( mixin.members[2].identifier.name, "y", "Third member should be y with partial interface mixin", ) parser = parser.reset() parser.parse( """ partial interface mixin A { readonly attribute boolean y; undefined foo(long arg); }; interface mixin A { readonly attribute boolean x; undefined foo(); }; """ ) results = parser.finish() harness.check( len(results), 2, "Should have two results with reversed partial interface mixin" ) mixin = results[1] harness.check( len(mixin.members), 3, "Should have three members with reversed partial interface mixin", ) harness.check( mixin.members[0].identifier.name, "x", "First member should be x with reversed partial interface mixin", ) harness.check( mixin.members[1].identifier.name, "foo", "Second member should be foo with reversed partial interface mixin", ) harness.check( len(mixin.members[1].signatures()), 2, "Should have two foo signatures with reversed partial interface mixin", ) harness.check( mixin.members[2].identifier.name, "y", "Third member should be y with reversed partial interface mixin", ) parser = parser.reset() parser.parse( """ interface Interface {}; interface mixin Mixin { attribute short x; }; Interface includes Mixin; """ ) results = parser.finish() iface = results[0] harness.check(len(iface.members), 1, "Should merge members from mixins") harness.check( iface.members[0].identifier.name, "x", "Should merge members from mixins" ) parser = parser.reset() threw = False try: parser.parse( """ interface mixin A { readonly attribute boolean x; }; interface mixin A { readonly attribute boolean y; }; """ ) results = parser.finish() except WebIDL.WebIDLError: threw = True harness.ok( threw, "Should not allow two non-partial interface mixins with the same name" ) parser = parser.reset() threw = False try: parser.parse( """ partial interface mixin A { readonly attribute boolean x; }; partial interface mixin A { readonly attribute boolean y; }; """ ) results = parser.finish() except WebIDL.WebIDLError: threw = True harness.ok(threw, "Must have a non-partial interface mixin for a given name") parser = parser.reset() threw = False try: parser.parse( """ dictionary A { boolean x; }; partial interface mixin A { readonly attribute boolean y; }; """ ) results = parser.finish() except WebIDL.WebIDLError: threw = True harness.ok( threw, "Should not allow a name collision between partial interface " "mixin and other object", ) parser = parser.reset() threw = False try: parser.parse( """ dictionary A { boolean x; }; interface mixin A { readonly attribute boolean y; }; """ ) results = parser.finish() except WebIDL.WebIDLError: threw = True harness.ok( threw, "Should not allow a name collision between interface mixin " "and other object", ) parser = parser.reset() threw = False try: parser.parse( """ interface mixin A { readonly attribute boolean x; }; interface A; """ ) results = parser.finish() except WebIDL.WebIDLError: threw = True harness.ok( threw, "Should not allow a name collision between external interface " "and interface mixin", ) parser = parser.reset() threw = False try: parser.parse( """ [SomeRandomAnnotation] interface mixin A { readonly attribute boolean y; }; """ ) results = parser.finish() except WebIDL.WebIDLError: threw = True harness.ok( threw, "Should not allow unknown extended attributes on interface mixins" ) parser = parser.reset() threw = False try: parser.parse( """ interface mixin A { getter double (DOMString propertyName); }; """ ) results = parser.finish() except WebIDL.WebIDLError: threw = True harness.ok(threw, "Should not allow getters on interface mixins") parser = parser.reset() threw = False try: parser.parse( """ interface mixin A { setter undefined (DOMString propertyName, double propertyValue); }; """ ) results = parser.finish() except WebIDL.WebIDLError: threw = True harness.ok(threw, "Should not allow setters on interface mixins") parser = parser.reset() threw = False try: parser.parse( """ interface mixin A { deleter undefined (DOMString propertyName); }; """ ) results = parser.finish() except WebIDL.WebIDLError: threw = True harness.ok(threw, "Should not allow deleters on interface mixins") parser = parser.reset() threw = False try: parser.parse( """ interface mixin A { legacycaller double compute(double x); }; """ ) results = parser.finish() except WebIDL.WebIDLError: threw = True harness.ok(threw, "Should not allow legacycallers on interface mixins") parser = parser.reset() threw = False try: parser.parse( """ interface mixin A { inherit attribute x; }; """ ) results = parser.finish() except WebIDL.WebIDLError: threw = True harness.ok(threw, "Should not allow inherited attribute on interface mixins") parser = parser.reset() threw = False try: parser.parse( """ interface Interface {}; interface NotMixin { attribute short x; }; Interface includes NotMixin; """ ) results = parser.finish() except WebIDL.WebIDLError: threw = True harness.ok(threw, "Should fail if the right side does not point an interface mixin") parser = parser.reset() threw = False try: parser.parse( """ interface mixin NotInterface {}; interface mixin Mixin { attribute short x; }; NotInterface includes Mixin; """ ) results = parser.finish() except WebIDL.WebIDLError: threw = True harness.ok(threw, "Should fail if the left side does not point an interface") parser = parser.reset() threw = False try: parser.parse( """ interface mixin Mixin { iterable; }; """ ) results = parser.finish() except WebIDL.WebIDLError: threw = True harness.ok(threw, "Should fail if an interface mixin includes iterable") parser = parser.reset() threw = False try: parser.parse( """ interface mixin Mixin { setlike; }; """ ) results = parser.finish() except WebIDL.WebIDLError: threw = True harness.ok(threw, "Should fail if an interface mixin includes setlike") parser = parser.reset() threw = False try: parser.parse( """ interface mixin Mixin { maplike; }; """ ) results = parser.finish() except WebIDL.WebIDLError: threw = True harness.ok(threw, "Should fail if an interface mixin includes maplike") parser = parser.reset() threw = False try: parser.parse( """ interface Interface { attribute short attr; }; interface mixin Mixin { attribute short attr; }; Interface includes Mixin; """ ) results = parser.finish() except WebIDL.WebIDLError: threw = True harness.ok( threw, "Should fail if the included mixin interface has duplicated member" ) parser = parser.reset() threw = False try: parser.parse( """ interface Interface {}; interface mixin Mixin1 { attribute short attr; }; interface mixin Mixin2 { attribute short attr; }; Interface includes Mixin1; Interface includes Mixin2; """ ) results = parser.finish() except WebIDL.WebIDLError: threw = True harness.ok( threw, "Should fail if the included mixin interfaces have duplicated member" ) parser = parser.reset() parser.parse( """ [Global, Exposed=Window] interface Window {}; [Global, Exposed=Worker] interface Worker {}; [Exposed=Window] interface Base {}; interface mixin Mixin { Base returnSelf(); }; Base includes Mixin; """ ) results = parser.finish() base = results[2] attr = base.members[0] harness.check( attr.exposureSet, set(["Window"]), "Should expose on globals where the base interfaces are exposed", ) parser = parser.reset() parser.parse( """ [Global, Exposed=Window] interface Window {}; [Global, Exposed=Worker] interface Worker {}; [Exposed=Window] interface Base {}; [Exposed=Window] interface mixin Mixin { attribute short a; }; Base includes Mixin; """ ) results = parser.finish() base = results[2] attr = base.members[0] harness.check( attr.exposureSet, set(["Window"]), "Should follow [Exposed] on interface mixin" ) parser = parser.reset() parser.parse( """ [Global, Exposed=Window] interface Window {}; [Global, Exposed=Worker] interface Worker {}; [Exposed=Window] interface Base1 {}; [Exposed=Worker] interface Base2 {}; interface mixin Mixin { attribute short a; }; Base1 includes Mixin; Base2 includes Mixin; """ ) results = parser.finish() base = results[2] attr = base.members[0] harness.check( attr.exposureSet, set(["Window", "Worker"]), "Should expose on all globals where including interfaces are " "exposed", ) base = results[3] attr = base.members[0] harness.check( attr.exposureSet, set(["Window", "Worker"]), "Should expose on all globals where including interfaces are " "exposed", )