Sync WebIDL.py with gecko

components/script/dom/bindings/codegen/parser/tests/test_method.py

@@ -120,7 +120,7 @@ def WebIDLTest(parser, harness):
           };
         """)
         results = parser.finish()
-    except Exception, x:
+    except Exception as x:
         threw = True
     harness.ok(not threw, "Should allow integer to float type corecion")
 
@@ -133,7 +133,7 @@ def WebIDLTest(parser, harness):
           };
         """)
         results = parser.finish()
-    except Exception, x:
+    except Exception as x:
         threw = True
     harness.ok(threw, "Should not allow [GetterThrows] on methods")
 
@@ -146,7 +146,7 @@ def WebIDLTest(parser, harness):
           };
         """)
         results = parser.finish()
-    except Exception, x:
+    except Exception as x:
         threw = True
     harness.ok(threw, "Should not allow [SetterThrows] on methods")
 
@@ -159,7 +159,7 @@ def WebIDLTest(parser, harness):
           };
         """)
         results = parser.finish()
-    except Exception, x:
+    except Exception as x:
         threw = True
     harness.ok(threw, "Should spell [Throws] correctly on methods")
 
@@ -172,6 +172,85 @@ def WebIDLTest(parser, harness):
           };
         """)
         results = parser.finish()
-    except Exception, x:
+    except Exception as x:
         threw = True
     harness.ok(threw, "Should not allow __noSuchMethod__ methods")
+
+    parser = parser.reset()
+    threw = False
+    try:
+        parser.parse("""
+          interface A {
+            [Throws, LenientFloat]
+            void foo(float myFloat);
+            [Throws]
+            void foo();
+          };
+        """)
+        results = parser.finish()
+    except Exception as x:
+        threw = True
+    harness.ok(not threw, "Should allow LenientFloat to be only in a specific overload")
+
+    parser = parser.reset()
+    parser.parse("""
+      interface A {
+        [Throws]
+        void foo();
+        [Throws, LenientFloat]
+        void foo(float myFloat);
+      };
+    """)
+    results = parser.finish()
+    iface = results[0]
+    methods = iface.members
+    lenientFloat = methods[0].getExtendedAttribute("LenientFloat")
+    harness.ok(lenientFloat is not None, "LenientFloat in overloads must be added to the method")
+
+    parser = parser.reset()
+    threw = False
+    try:
+        parser.parse("""
+          interface A {
+            [Throws, LenientFloat]
+            void foo(float myFloat);
+            [Throws]
+            void foo(float myFloat, float yourFloat);
+          };
+        """)
+        results = parser.finish()
+    except Exception as x:
+        threw = True
+    harness.ok(threw, "Should prevent overloads from getting different restricted float behavior")
+
+    parser = parser.reset()
+    threw = False
+    try:
+        parser.parse("""
+          interface A {
+            [Throws]
+            void foo(float myFloat, float yourFloat);
+            [Throws, LenientFloat]
+            void foo(float myFloat);
+          };
+        """)
+        results = parser.finish()
+    except Exception as x:
+        threw = True
+    harness.ok(threw, "Should prevent overloads from getting different restricted float behavior (2)")
+
+    parser = parser.reset()
+    threw = False
+    try:
+        parser.parse("""
+          interface A {
+            [Throws, LenientFloat]
+            void foo(float myFloat);
+            [Throws, LenientFloat]
+            void foo(short myShort);
+          };
+        """)
+        results = parser.finish()
+    except Exception as x:
+        threw = True
+    harness.ok(threw, "Should prevent overloads from getting redundant [LenientFloat]")