Migrated several tests from blink to V8 repository.

test/webkit/Array-isArray.js

Index: test/webkit/Array-isArray.js
diff --git a/test/webkit/concat-while-having-a-bad-time.js b/test/webkit/Array-isArray.js
similarity index 67%
copy from test/webkit/concat-while-having-a-bad-time.js
copy to test/webkit/Array-isArray.js
index dfda1e08a0b36194b787a44ee12a9693acd8aeaf..995d7dc9f1e55e8b327d0d93ca0a2ee318dea8ca 100644
--- a/test/webkit/concat-while-having-a-bad-time.js
+++ b/test/webkit/Array-isArray.js
@@ -21,11 +21,19 @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-description(
-"Tests the behavior of Array.prototype.concat while the array is having a bad time due to one of the elements we are concatenating."
-);
-
-Object.defineProperty(Array.prototype, 0, { writable: false });
-shouldBe("[42].concat()", "[42]");
-
+description("Test to ensure correct behaviour of Array.array");
 
+shouldBeTrue("Array.isArray([])");
+shouldBeTrue("Array.isArray(new Array)");
+shouldBeTrue("Array.isArray(Array())");
+shouldBeTrue("Array.isArray('abc'.match(/(a)*/g))");
+shouldBeFalse("(function(){ return Array.isArray(arguments); })()");
+shouldBeFalse("Array.isArray()");
+shouldBeFalse("Array.isArray(null)");
+shouldBeFalse("Array.isArray(undefined)");
+shouldBeFalse("Array.isArray(true)");
+shouldBeFalse("Array.isArray(false)");
+shouldBeFalse("Array.isArray('a string')");
+shouldBeFalse("Array.isArray({})");
+shouldBeFalse("Array.isArray({length: 5})");
+shouldBeFalse("Array.isArray({__proto__: Array.prototype, length:1, 0:1, 1:2})");