The Tor Browser: dom/bindings/parser/tests/test_interface.py@b8a032363ba2 (annotated)

dom/bindings/parser/tests/test_interface.py@b8a032363ba2 (annotated)

dom/bindings/parser/tests/test_interface.py

Thu, 22 Jan 2015 13:21:57 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Thu, 22 Jan 2015 13:21:57 +0100
branch: TOR_BUG_9701
changeset 15: b8a032363ba2
permissions: -rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

 import WebIDL
 def WebIDLTest(parser, harness):
     parser.parse("interface Foo { };")
     results = parser.finish()
     harness.ok(True, "Empty interface parsed without error.")
     harness.check(len(results), 1, "Should be one production")
     harness.ok(isinstance(results[0], WebIDL.IDLInterface),
                "Should be an IDLInterface")
     iface = results[0]
     harness.check(iface.identifier.QName(), "::Foo", "Interface has the right QName")
     harness.check(iface.identifier.name, "Foo", "Interface has the right name")
     harness.check(iface.parent, None, "Interface has no parent")
     parser.parse("interface Bar : Foo { };")
     results = parser.finish()
     harness.ok(True, "Empty interface parsed without error.")
     harness.check(len(results), 2, "Should be two productions")
     harness.ok(isinstance(results[1], WebIDL.IDLInterface),
                "Should be an IDLInterface")
     iface = results[1]
     harness.check(iface.identifier.QName(), "::Bar", "Interface has the right QName")
     harness.check(iface.identifier.name, "Bar", "Interface has the right name")
     harness.ok(isinstance(iface.parent, WebIDL.IDLInterface),
                "Interface has a parent")
     parser = parser.reset()
     parser.parse("""
         interface QNameBase {
           attribute long foo;
         };
         interface QNameDerived : QNameBase {
           attribute long long foo;
           attribute byte bar;
         };
     """)
     results = parser.finish()
     harness.check(len(results), 2, "Should be two productions")
     harness.ok(isinstance(results[0], WebIDL.IDLInterface),
                "Should be an IDLInterface")
     harness.ok(isinstance(results[1], WebIDL.IDLInterface),
                "Should be an IDLInterface")
     harness.check(results[1].parent, results[0], "Inheritance chain is right")
     harness.check(len(results[0].members), 1, "Expect 1 productions")
     harness.check(len(results[1].members), 2, "Expect 2 productions")
     base = results[0]
     derived = results[1]
     harness.check(base.members[0].identifier.QName(), "::QNameBase::foo",
                   "Member has the right QName")
     harness.check(derived.members[0].identifier.QName(), "::QNameDerived::foo",
                   "Member has the right QName")
     harness.check(derived.members[1].identifier.QName(), "::QNameDerived::bar",
                   "Member has the right QName")
     parser = parser.reset()
     threw = False
     try:
         parser.parse("""
             interface A : B {};
             interface B : A {};
         """)
         results = parser.finish()
     except:
         threw = True
     harness.ok(threw, "Should not allow cycles in interface inheritance chains")
     parser = parser.reset()
     threw = False
     try:
         parser.parse("""
             interface A : C {};
             interface C : B {};
             interface B : A {};
         """)
         results = parser.finish()
     except:
         threw = True
     harness.ok(threw, "Should not allow indirect cycles in interface inheritance chains")
     parser = parser.reset()
     threw = False
     try:
         parser.parse("""
             interface A {};
             interface B {};
             A implements B;
             B implements A;
         """)
         results = parser.finish()
     except:
         threw = True
     harness.ok(threw, "Should not allow cycles via implements")
     parser = parser.reset()
     threw = False
     try:
         parser.parse("""
             interface A {};
             interface C {};
             interface B {};
             A implements C;
             C implements B;
             B implements A;
         """)
         results = parser.finish()
     except:
         threw = True
     harness.ok(threw, "Should not allow indirect cycles via implements")
     parser = parser.reset()
     threw = False
     try:
         parser.parse("""
             interface A : B {};
             interface B {};
             B implements A;
         """)
         results = parser.finish()
     except:
         threw = True
     harness.ok(threw, "Should not allow inheriting from an interface that implements us")
     parser = parser.reset()
     threw = False
     try:
         parser.parse("""
             interface A : B {};
             interface B {};
             interface C {};
             B implements C;
             C implements A;
         """)
         results = parser.finish()
     except:
         threw = True
     harness.ok(threw, "Should not allow inheriting from an interface that indirectly implements us")
     parser = parser.reset()
     threw = False
     try:
         parser.parse("""
             interface A : B {};
             interface B : C {};
             interface C {};
             C implements A;
         """)
         results = parser.finish()
     except:
         threw = True
     harness.ok(threw, "Should not allow indirectly inheriting from an interface that implements us")
     parser = parser.reset()
     threw = False
     try:
         parser.parse("""
             interface A : B {};
             interface B : C {};
             interface C {};
             interface D {};
             C implements D;
             D implements A;
         """)
         results = parser.finish()
     except:
         threw = True
     harness.ok(threw, "Should not allow indirectly inheriting from an interface that indirectly implements us")
     parser = parser.reset()
     threw = False
     try:
         parser.parse("""
             interface A;
             interface B : A {};
         """)
         results = parser.finish()
     except:
         threw = True
     harness.ok(threw, "Should not allow inheriting from an interface that is only forward declared")
     parser = parser.reset()
     parser.parse("""
         [Constructor(long arg)]
         interface A {
             readonly attribute boolean x;
             void foo();
         };
         [Constructor]
         partial interface A {
             readonly attribute boolean y;
             void foo(long arg);
         };
     """);
     results = parser.finish();
     harness.check(len(results), 1,
                   "Should have one result with partial interface")
     iface = results[0]
     harness.check(len(iface.members), 3,
                   "Should have three members with partial interface")
     harness.check(iface.members[0].identifier.name, "x",
                   "First member should be x with partial interface")
     harness.check(iface.members[1].identifier.name, "foo",
                   "Second member should be foo with partial interface")
     harness.check(len(iface.members[1].signatures()), 2,
                   "Should have two foo signatures with partial interface")
     harness.check(iface.members[2].identifier.name, "y",
                   "Third member should be y with partial interface")
     harness.check(len(iface.ctor().signatures()), 2,
                   "Should have two constructors with partial interface")
     parser = parser.reset()
     parser.parse("""
         [Constructor]
         partial interface A {
             readonly attribute boolean y;
             void foo(long arg);
         };
         [Constructor(long arg)]
         interface A {
             readonly attribute boolean x;
             void foo();
         };
     """);
     results = parser.finish();
     harness.check(len(results), 1,
                   "Should have one result with reversed partial interface")
     iface = results[0]
     harness.check(len(iface.members), 3,
                   "Should have three members with reversed partial interface")
     harness.check(iface.members[0].identifier.name, "x",
                   "First member should be x with reversed partial interface")
     harness.check(iface.members[1].identifier.name, "foo",
                   "Second member should be foo with reversed partial interface")
     harness.check(len(iface.members[1].signatures()), 2,
                   "Should have two foo signatures with reversed partial interface")
     harness.check(iface.members[2].identifier.name, "y",
                   "Third member should be y with reversed partial interface")
     harness.check(len(iface.ctor().signatures()), 2,
                   "Should have two constructors with reversed partial interface")
     parser = parser.reset()
     threw = False
     try:
         parser.parse("""
             interface A {
                 readonly attribute boolean x;
             };
             interface A {
                 readonly attribute boolean y;
             };
         """)
         results = parser.finish()
     except:
         threw = True
     harness.ok(threw,
                "Should not allow two non-partial interfaces with the same name")
     parser = parser.reset()
     threw = False
     try:
         parser.parse("""
             partial interface A {
                 readonly attribute boolean x;
             };
             partial interface A {
                 readonly attribute boolean y;
             };
         """)
         results = parser.finish()
     except:
         threw = True
     harness.ok(threw,
                "Must have a non-partial interface for a given name")
     parser = parser.reset()
     threw = False
     try:
         parser.parse("""
             dictionary  A {
                 boolean x;
             };
             partial interface A {
                 readonly attribute boolean y;
             };
         """)
         results = parser.finish()
     except:
         threw = True
     harness.ok(threw,
                "Should not allow a name collision between partial interface "
                "and other object")
     parser = parser.reset()
     threw = False
     try:
         parser.parse("""
             dictionary A {
                 boolean x;
             };
             interface A {
                 readonly attribute boolean y;
             };
         """)
         results = parser.finish()
     except:
         threw = True
     harness.ok(threw,
                "Should not allow a name collision between interface "
                "and other object")
     parser = parser.reset()
     threw = False
     try:
         parser.parse("""
             dictionary A {
                 boolean x;
             };
             interface A;
         """)
         results = parser.finish()
     except:
         threw = True
     harness.ok(threw,
                "Should not allow a name collision between external interface "
                "and other object")
     parser = parser.reset()
     threw = False
     try:
         parser.parse("""
             interface A {
                 readonly attribute boolean x;
             };
             interface A;
         """)
         results = parser.finish()
     except:
         threw = True
     harness.ok(threw,
                "Should not allow a name collision between external interface "
                "and interface")
     parser = parser.reset()
     parser.parse("""
         interface A;
         interface A;
     """)
     results = parser.finish()
     harness.ok(len(results) == 1 and
                isinstance(results[0], WebIDL.IDLExternalInterface),
                "Should allow name collisions between external interface "
                "declarations")
     parser = parser.reset()
     threw = False
     try:
         parser.parse("""
             [SomeRandomAnnotation]
             interface A {
                 readonly attribute boolean y;
             };
         """)
         results = parser.finish()
     except:
         threw = True
     harness.ok(threw,
                "Should not allow unknown extended attributes on interfaces")
     parser = parser.reset()
     threw = False
     try:
         parser.parse("""
             interface B {};
             [ArrayClass]
             interface A : B {
             };
         """)
         results = parser.finish()
     except:
         threw = True
     harness.ok(threw,
                "Should not allow [ArrayClass] on interfaces with parents")
     parser = parser.reset()
     threw = False
     try:
         parser.parse("""
             [ArrayClass]
             interface A {
             };
         """)
         results = parser.finish()
     except:
         threw = True
     harness.ok(not threw,
                "Should allow [ArrayClass] on interfaces without parents")

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dom/bindings/parser/tests/test_interface.py@b8a032363ba2 (annotated)

dom/bindings/parser/tests/test_interface.py