Migrated several tests from blink to V8 repository.

test/webkit/propertyIsEnumerable.js

Index: test/webkit/propertyIsEnumerable.js
diff --git a/test/webkit/concat-while-having-a-bad-time.js b/test/webkit/propertyIsEnumerable.js
similarity index 70%
copy from test/webkit/concat-while-having-a-bad-time.js
copy to test/webkit/propertyIsEnumerable.js
index dfda1e08a0b36194b787a44ee12a9693acd8aeaf..e6dc22f64b66c530635995c6d532cf06434470c1 100644
--- a/test/webkit/concat-while-having-a-bad-time.js
+++ b/test/webkit/propertyIsEnumerable.js
@@ -22,10 +22,21 @@
 // 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."
+"This tests that propertyIsEnumerable works according to the ECMA spec."
 );
 
-Object.defineProperty(Array.prototype, 0, { writable: false });
-shouldBe("[42].concat()", "[42]");
+a = new Array();
+a.foo='bar'
 
+var aVarDecl;
+function aFunctionDecl(){}
+var global = this;
+shouldBeFalse("a.propertyIsEnumerable('length')");
+shouldBeTrue("a.propertyIsEnumerable ('foo')");
+shouldBeFalse("a.propertyIsEnumerable ('non-existant')");
 
+shouldBeTrue("global.propertyIsEnumerable ('aVarDecl')");
+shouldBeTrue("global.propertyIsEnumerable ('aFunctionDecl')");
+shouldBeFalse("global.propertyIsEnumerable ('Math')");
+shouldBeFalse("global.propertyIsEnumerable ('NaN')");
+shouldBeFalse("global.propertyIsEnumerable ('undefined')");