IDL: Support union type arrays and sequences for method arguments

LayoutTests/fast/dom/idl-union-type-unittest-expected.txt

Index: LayoutTests/fast/dom/idl-union-type-unittest-expected.txt
diff --git a/LayoutTests/fast/dom/idl-union-type-unittest-expected.txt b/LayoutTests/fast/dom/idl-union-type-unittest-expected.txt
index 829d38013efb9c4e25ff2f2be0301158e76ef810..dba070eb41ff033bfd76b29bbbae8822186bb098 100644
--- a/LayoutTests/fast/dom/idl-union-type-unittest-expected.txt
+++ b/LayoutTests/fast/dom/idl-union-type-unittest-expected.txt
@@ -22,6 +22,22 @@ PASS unionTypesTest.doubleOrStringArg([]) is "string is passed: "
 PASS typeof unionTypesTest.doubleOrStringArg(new Date) is "string"
 PASS unionTypesTest.doubleOrStringArg() threw exception TypeError: Failed to execute 'doubleOrStringArg' on 'UnionTypesTest': 1 argument required, but only 0 present..
 
+PASS unionTypesTest.doubleOrStringArrayArg([]) is ""
+PASS unionTypesTest.doubleOrStringArrayArg([3.14, "foo"]) is "double: 3.14, string: foo"
+PASS unionTypesTest.doubleOrStringArrayArg([1, "foo", "bar", 2]) is "double: 1, string: foo, string: bar, double: 2"
+PASS unionTypesTest.doubleOrStringArrayArg([null, undefined, {}, []]) is "string: null, string: undefined, string: [object Object], string: "
+PASS unionTypesTest.doubleOrStringArrayArg(null) threw exception TypeError: Failed to execute 'doubleOrStringArrayArg' on 'UnionTypesTest': The 1st argument is neither an array, nor does it have indexed properties..
+PASS unionTypesTest.doubleOrStringArrayArg(undefined) threw exception TypeError: Failed to execute 'doubleOrStringArrayArg' on 'UnionTypesTest': The 1st argument is neither an array, nor does it have indexed properties..
+PASS unionTypesTest.doubleOrStringArrayArg({}) threw exception TypeError: Failed to execute 'doubleOrStringArrayArg' on 'UnionTypesTest': The 1st argument is neither an array, nor does it have indexed properties..
+
+PASS unionTypesTest.doubleOrStringSequenceArg([]) is ""
+PASS unionTypesTest.doubleOrStringSequenceArg([3.14, "foo"]) is "double: 3.14, string: foo"
+PASS unionTypesTest.doubleOrStringSequenceArg([1, "foo", "bar", 2]) is "double: 1, string: foo, string: bar, double: 2"
+PASS unionTypesTest.doubleOrStringSequenceArg([null, undefined, {}, []]) is "string: null, string: undefined, string: [object Object], string: "
+PASS unionTypesTest.doubleOrStringSequenceArg(null) threw exception TypeError: Failed to execute 'doubleOrStringSequenceArg' on 'UnionTypesTest': The 1st argument is neither an array, nor does it have indexed properties..
+PASS unionTypesTest.doubleOrStringSequenceArg(undefined) threw exception TypeError: Failed to execute 'doubleOrStringSequenceArg' on 'UnionTypesTest': The 1st argument is neither an array, nor does it have indexed properties..
+PASS unionTypesTest.doubleOrStringSequenceArg({}) threw exception TypeError: Failed to execute 'doubleOrStringSequenceArg' on 'UnionTypesTest': The 1st argument is neither an array, nor does it have indexed properties..
+
 Tests for method arguments with defaults
 PASS unionTypesTest.doubleOrStringDefaultDoubleArg() is "double is passed: 3.14"
 PASS unionTypesTest.doubleOrStringDefaultDoubleArg(undefined) is "double is passed: 3.14"