Merge remote-tracking branch 'upstream/master' into feat-cow-infra

`tests/wpt/web-platform-tests/html/browsers/origin/cross-origin-objects/cross-origin-objects.html`
was reverted to the upstream version.

1 files changed, 70 insertions, 0 deletions

diff --git a/components/script/dom/bindings/codegen/parser/tests/test_newobject.py b/components/script/dom/bindings/codegen/parser/tests/test_newobject.py
new file mode 100644
index 00000000000..26785c6a270
--- /dev/null
+++ b/components/script/dom/bindings/codegen/parser/tests/test_newobject.py
@@ -0,0 +1,70 @@
+# Import the WebIDL module, so we can do isinstance checks and whatnot
+import WebIDL
+
+def WebIDLTest(parser, harness):
+    # Basic functionality
+    parser.parse(
+        """
+        interface Iface {
+          [NewObject] readonly attribute Iface attr;
+          [NewObject] Iface method();
+        };
+        """)
+    results = parser.finish()
+    harness.ok(results, "Should not have thrown on basic [NewObject] usage")
+
+    parser = parser.reset()
+    threw = False
+    try:
+        parser.parse(
+            """
+            interface Iface {
+              [Pure, NewObject] readonly attribute Iface attr;
+            };
+            """)
+        results = parser.finish()
+    except:
+        threw = True
+    harness.ok(threw, "[NewObject] attributes must depend on something")
+
+    parser = parser.reset()
+    threw = False
+    try:
+        parser.parse(
+            """
+            interface Iface {
+              [Pure, NewObject] Iface method();
+            };
+            """)
+        results = parser.finish()
+    except:
+        threw = True
+    harness.ok(threw, "[NewObject] methods must depend on something")
+
+    parser = parser.reset()
+    threw = False
+    try:
+        parser.parse(
+            """
+            interface Iface {
+              [Cached, NewObject, Affects=Nothing] readonly attribute Iface attr;
+            };
+            """)
+        results = parser.finish()
+    except:
+        threw = True
+    harness.ok(threw, "[NewObject] attributes must not be [Cached]")
+
+    parser = parser.reset()
+    threw = False
+    try:
+        parser.parse(
+            """
+            interface Iface {
+              [StoreInSlot, NewObject, Affects=Nothing] readonly attribute Iface attr;
+            };
+            """)
+        results = parser.finish()
+    except:
+        threw = True
+    harness.ok(threw, "[NewObject] attributes must not be [StoreInSlot]")