Migrate more tests from blink repository.

test/webkit/fast/js/string-fontsize.js

Index: test/webkit/fast/js/string-fontsize.js
diff --git a/test/webkit/fast/js/object-prototype-constructor.js b/test/webkit/fast/js/string-fontsize.js
similarity index 55%
copy from test/webkit/fast/js/object-prototype-constructor.js
copy to test/webkit/fast/js/string-fontsize.js
index d3031ae106a4b27823bf9f22572bd0d4dbbb3c20..e103e5e6bc2c9eb74ef6c32ea2bfb86eca90fe73 100644
--- a/test/webkit/fast/js/object-prototype-constructor.js
+++ b/test/webkit/fast/js/string-fontsize.js
@@ -22,21 +22,35 @@
 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 description(
-'This is a test case for <a href="https://bugs.webkit.org/show_bug.cgi?id=3537">bug 3537</a>.'
+'This is a test case for String.prototype.fontsize(size).'
 );
 
-var Foo = { Bar: function () {}};
-var f = new Foo.Bar();
-shouldBe("f.constructor", "Foo.Bar");
-shouldBe("typeof f.constructor", '"function"');
-
-function F() {};
-var Foo2 = { Bar: F};
-var f2 = new Foo2.Bar();
-shouldBe("f2.constructor", "Foo2.Bar");
-shouldBe("typeof f2.constructor", '"function"');
-
-var Foo3 = { Bar: new Function("")};
-var f3 = new Foo3.Bar();
-shouldBe("f3.constructor", "Foo3.Bar");
-shouldBe("typeof f3.constructor", '"function"');
+// This test is based on http://mathias.html5.org/tests/javascript/string/.
+
+// Check that the quotation mark is correctly escaped.
+shouldBe("'_'.fontsize('\"')", '"<font size=\\"&quot;\\">_</font>"');
+
+// Simple case.
+shouldBe("'_'.fontsize('b')", '"<font size=\\"b\\">_</font>"');
+
+// Does not escape special characters in `this` value.
+shouldBe("'<'.fontsize('b')", '"<font size=\\"b\\"><</font>"');
+
+// First argument gets ToString()ed.
+shouldBe("'_'.fontsize(0x2A)", '"<font size=\\"42\\">_</font>"');
+
+// Check that the quotation mark is correctly escaped.
+shouldBe("'_'.fontsize('\"')", '"<font size=\\"&quot;\\">_</font>"');
+shouldBe("'_'.fontsize('\" color=\"b')", '"<font size=\\"&quot; color=&quot;b\\">_</font>"');
+
+// Generic use on Number object.
+shouldBe("String.prototype.fontsize.call(0x2A, 0x2A)", '"<font size=\\"42\\">42</font>"');
+
+// Generic use on non-coercible object `undefined`.
+shouldThrow("String.prototype.fontsize.call(undefined)", '"TypeError: Type error"');
+
+// Generic use on non-coercible object `null`.
+shouldThrow("String.prototype.fontsize.call(null)", '"TypeError: Type error"');
+
+// Check fontsize.length.
+shouldBe("String.prototype.fontsize.length", "1");