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Unified Diff: test/mjsunit/bugs/bug-proto.js

Issue 14404005: Add d8 functionality for switching between realms (a.k.a. contexts), 2nd try (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Make realms work again interactively Created 7 years, 8 months ago
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Index: test/mjsunit/bugs/bug-proto.js
diff --git a/src/marking-thread.h b/test/mjsunit/bugs/bug-proto.js
similarity index 59%
copy from src/marking-thread.h
copy to test/mjsunit/bugs/bug-proto.js
index 9efa3af13262165972abf179defac6f83fed4ac9..149088e9de96997a03bf03dc112d1c86ff5faacc 100644
--- a/src/marking-thread.h
+++ b/test/mjsunit/bugs/bug-proto.js
@@ -25,47 +25,38 @@
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-#ifndef V8_MARKING_THREAD_H_
-#define V8_MARKING_THREAD_H_
+var realmA = Realm.current();
+var realmB = Realm.create();
+assertEquals(0, realmA);
+assertEquals(1, realmB);
+
+// The global objects match the realms' this binding.
+assertSame(this, Realm.global(realmA));
+assertSame(Realm.eval(realmB, "this"), Realm.global(realmB));
+assertFalse(this === Realm.global(realmB));
+
+// The global object is not accessible cross-realm.
+var x = 3;
+Realm.shared = this;
+assertThrows("Realm.eval(realmB, 'x')");
+assertSame(undefined, Realm.eval(realmB, "this.x"));
+assertSame(undefined, Realm.eval(realmB, "Realm.shared.x"));
+
+Realm.eval(realmB, "Realm.global(0).y = 1");
+assertThrows("y");
+assertSame(undefined, this.y);
+
+// Can get or set other objects' properties cross-realm.
+var p = {a: 1};
+var o = {__proto__: p, b: 2};
+Realm.shared = o;
+assertSame(1, Realm.eval(realmB, "Realm.shared.a"));
+assertSame(2, Realm.eval(realmB, "Realm.shared.b"));
+
+// Cannot get or set a prototype cross-realm.
+assertSame(undefined, Realm.eval(realmB, "Realm.shared.__proto__"));
+
+Realm.eval(realmB, "Realm.shared.__proto__ = {c: 3}");
+assertSame(1, o.a);
+assertSame(undefined, o.c);
-#include "atomicops.h"
-#include "flags.h"
-#include "platform.h"
-#include "v8utils.h"
-
-#include "spaces.h"
-
-#include "heap.h"
-
-namespace v8 {
-namespace internal {
-
-class MarkingThread : public Thread {
- public:
- explicit MarkingThread(Isolate* isolate);
-
- void Run();
- void Stop();
- void StartMarking();
- void WaitForMarkingThread();
-
- ~MarkingThread() {
- delete start_marking_semaphore_;
- delete end_marking_semaphore_;
- delete stop_semaphore_;
- }
-
- private:
- Isolate* isolate_;
- Heap* heap_;
- Semaphore* start_marking_semaphore_;
- Semaphore* end_marking_semaphore_;
- Semaphore* stop_semaphore_;
- volatile AtomicWord stop_thread_;
- int id_;
- static Atomic32 id_counter_;
-};
-
-} } // namespace v8::internal
-
-#endif // V8_MARKING_THREAD_H_
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