Stricter parsing for rows/cols attribute on textarea

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

Index: LayoutTests/fast/dom/HTMLTextAreaElement/script-tests/cols-attribute.js
diff --git a/LayoutTests/fast/dom/HTMLTextAreaElement/script-tests/cols-attribute.js b/LayoutTests/fast/dom/HTMLTextAreaElement/script-tests/cols-attribute.js
new file mode 100644
index 0000000000000000000000000000000000000000..f9e6e79c767a1d04cb38afb47488070092627eaf
--- /dev/null
+++ b/LayoutTests/fast/dom/HTMLTextAreaElement/script-tests/cols-attribute.js
@@ -0,0 +1,40 @@
+description("HTMLTextAreaElement cols attribute test");
+
+function colsAttributeEffect(value)
+{
+    var element = document.createElement("textarea");
+    element.setAttribute("cols", value);
+    return element.cols;
+}
+
+shouldBe('document.createElement("textarea").cols', '20');
+
+shouldBe('colsAttributeEffect("")', '20');
+
+shouldBe('colsAttributeEffect("1")', '1');
+shouldBe('colsAttributeEffect("2")', '2');
+shouldBe('colsAttributeEffect("10")', '10');
+
+shouldBe('colsAttributeEffect("0")', '20');
+
+shouldBe('colsAttributeEffect("-1")', '20');
+
+shouldBe('colsAttributeEffect("1x")', '1');
+shouldBe('colsAttributeEffect("1.")', '1');
+shouldBe('colsAttributeEffect("1.9")', '1');
+shouldBe('colsAttributeEffect("2x")', '2');
+shouldBe('colsAttributeEffect("2.")', '2');
+shouldBe('colsAttributeEffect("2.9")', '2');
+
+shouldBe('colsAttributeEffect("a")', '20');
+shouldBe('colsAttributeEffect("\v7")', '20');
+shouldBe('colsAttributeEffect("  7")', '7');
+
+var arabicIndicDigitOne = String.fromCharCode(0x661);
+shouldBe('colsAttributeEffect(arabicIndicDigitOne)', '20');
+shouldBe('colsAttributeEffect("2" + arabicIndicDigitOne)', '2');
+
+shouldBe('colsAttributeEffect("2147483647")', '2147483647');
+shouldBe('colsAttributeEffect("2147483648")', '20');
+shouldBe('colsAttributeEffect("4294967295")', '20');
+shouldBe('colsAttributeEffect("4294967296")', '20');