Create a top-level "third_party" directory

This directory now contains third_party software that is vendored into
the Servo source tree. The idea is that it would eventually hold
webrender and other crates from mozilla-central as well with a standard
patch management approach for each.

third_party/WebIDL/tests/test_observableArray.py

@@ -0,0 +1,288 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+
+def WebIDLTest(parser, harness):
+
+    # Test dictionary as inner type
+    harness.should_throw(
+        parser,
+        """
+        dictionary A {
+          boolean member;
+        };
+        interface B {
+          attribute ObservableArray<A> foo;
+        };
+        """,
+        "use dictionary as inner type",
+    )
+
+    # Test sequence as inner type
+    harness.should_throw(
+        parser,
+        """
+        interface A {
+          attribute ObservableArray<sequence<boolean>> foo;
+        };
+        """,
+        "use sequence as inner type",
+    )
+
+    # Test sequence<dictionary> as inner type
+    harness.should_throw(
+        parser,
+        """
+        dictionary A {
+            boolean member;
+        };
+        interface B {
+          attribute ObservableArray<sequence<A>> foo;
+        };
+        """,
+        "use sequence<dictionary> as inner type",
+    )
+
+    # Test record as inner type
+    harness.should_throw(
+        parser,
+        """
+        interface A {
+          attribute ObservableArray<record<DOMString, boolean>> foo;
+        };
+        """,
+        "use record as inner type",
+    )
+
+    # Test record<dictionary> as inner type
+    harness.should_throw(
+        parser,
+        """
+        dictionary A {
+            boolean member;
+        };
+        interface B {
+          attribute ObservableArray<record<DOMString, A>> foo;
+        };
+        """,
+        "use record<dictionary> as inner type",
+    )
+
+    # Test observable array as inner type
+    harness.should_throw(
+        parser,
+        """
+        interface A {
+          attribute ObservableArray<ObservableArray<boolean>> foo;
+        };
+        """,
+        "use ObservableArray as inner type",
+    )
+
+    # Test nullable attribute
+    harness.should_throw(
+        parser,
+        """
+        interface A {
+          attribute ObservableArray<boolean>? foo;
+        };
+        """,
+        "nullable",
+    )
+
+    # Test sequence
+    harness.should_throw(
+        parser,
+        """
+        interface A {
+          undefined foo(sequence<ObservableArray<boolean>> foo);
+        };
+        """,
+        "used in sequence",
+    )
+
+    # Test record
+    harness.should_throw(
+        parser,
+        """
+        interface A {
+          undefined foo(record<DOMString, ObservableArray<boolean>> foo);
+        };
+        """,
+        "used in record",
+    )
+
+    # Test promise
+    harness.should_throw(
+        parser,
+        """
+        interface A {
+          Promise<ObservableArray<boolean>> foo();
+        };
+        """,
+        "used in promise",
+    )
+
+    # Test union
+    harness.should_throw(
+        parser,
+        """
+        interface A {
+          attribute (DOMString or ObservableArray<boolean>>) foo;
+        };
+        """,
+        "used in union",
+    )
+
+    # Test dictionary member
+    harness.should_throw(
+        parser,
+        """
+        dictionary A {
+          ObservableArray<boolean> foo;
+        };
+        """,
+        "used on dictionary member type",
+    )
+
+    # Test argument
+    harness.should_throw(
+        parser,
+        """
+        interface A {
+          undefined foo(ObservableArray<boolean> foo);
+        };
+        """,
+        "used on argument",
+    )
+
+    # Test static attribute
+    harness.should_throw(
+        parser,
+        """
+        interface A {
+          static attribute ObservableArray<boolean> foo;
+        };
+        """,
+        "used on static attribute type",
+    )
+
+    # Test iterable
+    harness.should_throw(
+        parser,
+        """
+        interface A {
+          iterable<ObservableArray<boolean>>;
+        };
+        """,
+        "used in iterable",
+    )
+
+    # Test maplike
+    harness.should_throw(
+        parser,
+        """
+        interface A {
+          maplike<long, ObservableArray<boolean>>;
+        };
+        """,
+        "used in maplike",
+    )
+
+    # Test setlike
+    harness.should_throw(
+        parser,
+        """
+        interface A {
+          setlike<ObservableArray<boolean>>;
+        };
+        """,
+        "used in setlike",
+    )
+
+    # Test JS implemented interface
+    harness.should_throw(
+        parser,
+        """
+        [JSImplementation="@mozilla.org/dom/test-interface-js;1"]
+        interface A {
+          readonly attribute ObservableArray<boolean> foo;
+        };
+        """,
+        "used in JS implemented interface",
+    )
+
+    # Test namespace
+    harness.should_throw(
+        parser,
+        """
+        namespace A {
+          readonly attribute ObservableArray<boolean> foo;
+        };
+        """,
+        "used in namespaces",
+    )
+
+    # Test [Cached] extended attribute
+    harness.should_throw(
+        parser,
+        """
+        interface A {
+          [Cached, Pure]
+          readonly attribute ObservableArray<boolean> foo;
+        };
+        """,
+        "have Cached extended attribute",
+    )
+
+    # Test [StoreInSlot] extended attribute
+    harness.should_throw(
+        parser,
+        """
+        interface A {
+          [StoreInSlot, Pure]
+          readonly attribute ObservableArray<boolean> foo;
+        };
+        """,
+        "have StoreInSlot extended attribute",
+    )
+
+    # Test regular attribute
+    parser = parser.reset()
+    parser.parse(
+        """
+        interface A {
+          readonly attribute ObservableArray<boolean> foo;
+          attribute ObservableArray<[Clamp] octet> bar;
+          attribute ObservableArray<long?> baz;
+          attribute ObservableArray<(boolean or long)> qux;
+        };
+        """
+    )
+    results = parser.finish()
+    A = results[0]
+    foo = A.members[0]
+    harness.ok(foo.readonly, "A.foo is readonly attribute")
+    harness.ok(foo.type.isObservableArray(), "A.foo is ObservableArray type")
+    harness.check(
+        foo.slotIndices[A.identifier.name], 0, "A.foo should be stored in slot"
+    )
+    bar = A.members[1]
+    harness.ok(bar.type.isObservableArray(), "A.bar is ObservableArray type")
+    harness.check(
+        bar.slotIndices[A.identifier.name], 1, "A.bar should be stored in slot"
+    )
+    harness.ok(bar.type.inner.hasClamp(), "A.bar's inner type should be clamped")
+    baz = A.members[2]
+    harness.ok(baz.type.isObservableArray(), "A.baz is ObservableArray type")
+    harness.check(
+        baz.slotIndices[A.identifier.name], 2, "A.baz should be stored in slot"
+    )
+    harness.ok(baz.type.inner.nullable(), "A.baz's inner type should be nullable")
+    qux = A.members[3]
+    harness.ok(qux.type.isObservableArray(), "A.qux is ObservableArray type")
+    harness.check(
+        qux.slotIndices[A.identifier.name], 3, "A.qux should be stored in slot"
+    )
+    harness.ok(qux.type.inner.isUnion(), "A.qux's inner type should be union")