1 files changed, 52 insertions, 28 deletions
diff --git a/components/script/dom/bindings/codegen/parser/tests/test_cereactions.py b/components/script/dom/bindings/codegen/parser/tests/test_cereactions.py
index ebc688bfd9c..c56c3dbde10 100644
--- a/components/script/dom/bindings/codegen/parser/tests/test_cereactions.py
+++ b/components/script/dom/bindings/codegen/parser/tests/test_cereactions.py
@@ -1,11 +1,13 @@
 def WebIDLTest(parser, harness):
     threw = False
     try:
-        parser.parse("""
+        parser.parse(
+            """
             interface Foo {
               [CEReactions(DOMString a)] undefined foo(boolean arg2);
             };
-        """)
+        """
+        )
 
         results = parser.finish()
     except:
@@ -16,11 +18,13 @@ def WebIDLTest(parser, harness):
     parser = parser.reset()
     threw = False
     try:
-        parser.parse("""
+        parser.parse(
+            """
             interface Foo {
               [CEReactions(DOMString b)] readonly attribute boolean bar;
             };
-        """)
+        """
+        )
 
         results = parser.finish()
     except:
@@ -31,54 +35,72 @@ def WebIDLTest(parser, harness):
     parser = parser.reset()
     threw = False
     try:
-        parser.parse("""
+        parser.parse(
+            """
             interface Foo {
               [CEReactions] attribute boolean bar;
             };
-        """)
+        """
+        )
 
         results = parser.finish()
     except Exception as e:
-        harness.ok(False, "Shouldn't have thrown for [CEReactions] used on writable attribute. %s" % e)
+        harness.ok(
+            False,
+            "Shouldn't have thrown for [CEReactions] used on writable attribute. %s"
+            % e,
+        )
         threw = True
 
     parser = parser.reset()
     threw = False
     try:
-        parser.parse("""
+        parser.parse(
+            """
             interface Foo {
               [CEReactions] undefined foo(boolean arg2);
             };
-        """)
+        """
+        )
 
         results = parser.finish()
     except Exception as e:
-        harness.ok(False, "Shouldn't have thrown for [CEReactions] used on regular operations. %s" % e)
+        harness.ok(
+            False,
+            "Shouldn't have thrown for [CEReactions] used on regular operations. %s"
+            % e,
+        )
         threw = True
 
     parser = parser.reset()
     threw = False
     try:
-        parser.parse("""
+        parser.parse(
+            """
             interface Foo {
               [CEReactions] readonly attribute boolean A;
             };
-        """)
+        """
+        )
 
         results = parser.finish()
     except:
         threw = True
 
-    harness.ok(threw, "Should have thrown for [CEReactions] used on a readonly attribute")
+    harness.ok(
+        threw, "Should have thrown for [CEReactions] used on a readonly attribute"
+    )
 
     parser = parser.reset()
     threw = False
     try:
-        parser.parse("""
+        parser.parse(
+            """
             [CEReactions]
             interface Foo {
             }
-        """)
+        """
+        )
 
         results = parser.finish()
     except:
@@ -89,45 +111,47 @@ def WebIDLTest(parser, harness):
     parser = parser.reset()
     threw = False
     try:
-        parser.parse("""
+        parser.parse(
+            """
           interface Foo {
             [CEReactions] getter any(DOMString name);
           };
-        """)
+        """
+        )
         results = parser.finish()
     except:
         threw = True
 
-    harness.ok(threw,
-               "Should have thrown for [CEReactions] used on a named getter")
+    harness.ok(threw, "Should have thrown for [CEReactions] used on a named getter")
 
     parser = parser.reset()
     threw = False
     try:
-        parser.parse("""
+        parser.parse(
+            """
           interface Foo {
             [CEReactions] legacycaller double compute(double x);
           };
-        """)
+        """
+        )
         results = parser.finish()
     except:
         threw = True
 
-    harness.ok(threw,
-               "Should have thrown for [CEReactions] used on a legacycaller")
+    harness.ok(threw, "Should have thrown for [CEReactions] used on a legacycaller")
 
     parser = parser.reset()
     threw = False
     try:
-        parser.parse("""
+        parser.parse(
+            """
           interface Foo {
             [CEReactions] stringifier DOMString ();
           };
-        """)
+        """
+        )
         results = parser.finish()
     except:
         threw = True
 
-    harness.ok(threw,
-               "Should have thrown for [CEReactions] used on a stringifier")
-
+    harness.ok(threw, "Should have thrown for [CEReactions] used on a stringifier")