Stricter parsing for rows/cols attribute on textarea

LayoutTests/fast/dom/HTMLTextAreaElement/script-tests/rows-attribute.js

+description("HTMLTextAreaElement rows attribute test");

[tkent, 2014/12/15 23:51:56]

Ditto.

+
+function rowsAttributeEffect(value)
+{
+    var element = document.createElement("textarea");
+    element.setAttribute("rows", value);
+    return element.rows;
+}
+
+shouldBe('document.createElement("textarea").rows', '2');
+
+shouldBe('rowsAttributeEffect("")', '2');
+
+shouldBe('rowsAttributeEffect("1")', '1');
+shouldBe('rowsAttributeEffect("2")', '2');
+shouldBe('rowsAttributeEffect("10")', '10');
+
+shouldBe('rowsAttributeEffect("0")', '2');
+
+shouldBe('rowsAttributeEffect("-1")', '2');
+
+shouldBe('rowsAttributeEffect("1x")', '1');
+shouldBe('rowsAttributeEffect("1.")', '1');
+shouldBe('rowsAttributeEffect("1.9")', '1');
+shouldBe('rowsAttributeEffect("2x")', '2');
+shouldBe('rowsAttributeEffect("2.")', '2');
+shouldBe('rowsAttributeEffect("2.9")', '2');
+
+shouldBe('rowsAttributeEffect("a")', '2');
+shouldBe('rowsAttributeEffect("\v7")', '2');
+shouldBe('rowsAttributeEffect("  7")', '7');
+
+var arabicIndicDigitOne = String.fromCharCode(0x661);
+shouldBe('rowsAttributeEffect(arabicIndicDigitOne)', '2');
+shouldBe('rowsAttributeEffect("2" + arabicIndicDigitOne)', '2');
+
+shouldBe('rowsAttributeEffect("2147483647")', '2147483647');
+shouldBe('rowsAttributeEffect("2147483648")', '2');
+shouldBe('rowsAttributeEffect("4294967295")', '2');
+shouldBe('rowsAttributeEffect("4294967296")', '2');