Adding upstream version 86.0.1.upstream/86.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 60 insertions, 0 deletions

diff --git a/dom/bindings/parser/tests/test_union_nullable.py b/dom/bindings/parser/tests/test_union_nullable.py
new file mode 100644
index 0000000000..31f004bdff
--- /dev/null
+++ b/dom/bindings/parser/tests/test_union_nullable.py
@@ -0,0 +1,60 @@
+def WebIDLTest(parser, harness):
+    threw = False
+    try:
+        parser.parse(
+            """
+            interface OneNullableInUnion {
+              void foo((object? or DOMString?) arg);
+            };
+        """
+        )
+
+        results = parser.finish()
+    except:
+        threw = True
+
+    harness.ok(threw, "Two nullable member types of a union should have thrown.")
+
+    parser.reset()
+    threw = False
+
+    try:
+        parser.parse(
+            """
+            interface NullableInNullableUnion {
+              void foo((object? or DOMString)? arg);
+            };
+        """
+        )
+
+        results = parser.finish()
+    except:
+        threw = True
+
+    harness.ok(
+        threw,
+        "A nullable union type with a nullable member type should have " "thrown.",
+    )
+
+    parser.reset()
+    threw = False
+
+    try:
+        parser.parse(
+            """
+            interface NullableInUnionNullableUnionHelper {
+            };
+            interface NullableInUnionNullableUnion {
+              void foo(((object? or DOMString) or NullableInUnionNullableUnionHelper)? arg);
+            };
+        """
+        )
+
+        results = parser.finish()
+    except:
+        threw = True
+
+    harness.ok(
+        threw,
+        "A nullable union type with a nullable member type should have " "thrown.",
+    )