Migrate more tests from blink repository.

test/webkit/fast/js/regexp-lastindex.js

Index: test/webkit/fast/js/regexp-lastindex.js
diff --git a/test/webkit/array-constructor-host-call.js b/test/webkit/fast/js/regexp-lastindex.js
similarity index 74%
copy from test/webkit/array-constructor-host-call.js
copy to test/webkit/fast/js/regexp-lastindex.js
index 50d6489cafd0716dd5cbbe0f9da8a958d9f61ca6..0c939f0ed5cb94f680e778128ffbbcd0fa20090d 100644
--- a/test/webkit/array-constructor-host-call.js
+++ b/test/webkit/fast/js/regexp-lastindex.js
@@ -22,15 +22,14 @@
 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 description(
-"This tests that array construction via a host call works."
+'Test for regression against <a href="https://bugs.webkit.org/show_bug.cgi?id=5602">REGRESSION: RegExp("[^\\s$]+", "g") returns extra matches</a>'
 );
 
-function constructArray(arrayConstructor) {
-    return new arrayConstructor(100);
-}
+var re = new RegExp("[^\\s$]+", "g");
+var accumulate = "";
+var match;
+shouldBe('while (match = re.exec("  abcdefg")) accumulate += match + "; "; accumulate', '"abcdefg; "');
 
-for (var i = 0; i < 3; ++i) {
-    var array = constructArray(Array);
-    shouldBeTrue("array instanceof Array");
-    shouldBe("array.length", "100");
-}
+var re = new RegExp(/\d/g);
+accumulate = "";
+shouldBe('while (match = re.exec("123456789")) accumulate += match + "; "; accumulate', '"1; 2; 3; 4; 5; 6; 7; 8; 9; "');