Make CharacterData::insertData() / deleteData() / replaceData() arguments mandatory

LayoutTests/fast/dom/characterdata-api-arguments-expected.txt

Index: LayoutTests/fast/dom/characterdata-api-arguments-expected.txt
diff --git a/LayoutTests/fast/dom/characterdata-api-arguments-expected.txt b/LayoutTests/fast/dom/characterdata-api-arguments-expected.txt
new file mode 100644
index 0000000000000000000000000000000000000000..57ae731dfc415d6645dbf1b4f6abd03926e08ec3
--- /dev/null
+++ b/LayoutTests/fast/dom/characterdata-api-arguments-expected.txt
@@ -0,0 +1,51 @@
+Tests that the CharacterData API arguments are correctly validated.
+
+On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
+
+
+PASS text.data is "abcd"
+PASS text.__proto__.__proto__ is CharacterData.prototype
+PASS text.appendData('efg') did not throw exception.
+PASS text.data is "abcdefg"
+PASS text.appendData() threw exception TypeError: Not enough arguments.
+PASS text.data is "abcdefg"
+PASS text.insertData(0, 'abcd') did not throw exception.
+PASS text.data is "abcdefg"
+PASS text.insertData() threw exception TypeError: Not enough arguments.
+PASS text.data is "abcdefg"
+PASS text.insertData(0) threw exception TypeError: Not enough arguments.
+PASS text.data is "abcdefg"
+PASS text.insertData(999, 'test') threw exception IndexSizeError: Index or size was negative, or greater than the allowed value..
+PASS text.data is "abcdefg"
+PASS text.insertData(-1, 'test') threw exception IndexSizeError: Index or size was negative, or greater than the allowed value..
+PASS text.data is "abcdefg"
+PASS text.deleteData(4, 3) did not throw exception.
+PASS text.data is "abcd"
+PASS text.deleteData() threw exception TypeError: Not enough arguments.
+PASS text.data is "abcd"
+PASS text.deleteData(0) threw exception TypeError: Not enough arguments.
+PASS text.data is "abcd"
+PASS text.deleteData(999, 3) threw exception IndexSizeError: Index or size was negative, or greater than the allowed value..
+PASS text.data is "abcd"
+PASS text.deleteData(-1, 3) threw exception IndexSizeError: Index or size was negative, or greater than the allowed value..
+PASS text.data is "abcd"
+PASS text.deleteData(1, 999) did not throw exception.
+PASS text.data is "a"
+PASS text.replaceData(0, 0, 'abcd') did not throw exception.
+PASS text.data is "abcdefg"
+PASS text.replaceData() threw exception TypeError: Not enough arguments.
+PASS text.data is "abcdefg"
+PASS text.replaceData(0) threw exception TypeError: Not enough arguments.
+PASS text.data is "abcdefg"
+PASS text.replaceData(0, 0) threw exception TypeError: Not enough arguments.
+PASS text.data is "abcdefg"
+PASS text.replaceData(999, 3, 'test') threw exception IndexSizeError: Index or size was negative, or greater than the allowed value..
+PASS text.data is "abcdefg"
+PASS text.deleteData(-1, 3, 'test') threw exception IndexSizeError: Index or size was negative, or greater than the allowed value..
+PASS text.data is "abcdefg"
+PASS text.replaceData(1, 999, 'aaa') did not throw exception.
+PASS text.data is "aaaa"
+PASS successfullyParsed is true
+
+TEST COMPLETE
+