def testStackLimit(self):
with STPyV8.JSIsolate():
STPyV8.JSEngine.setStackLimit(256 * 1024)
with STPyV8.JSContext() as ctxt:
oldStackSize = ctxt.eval("var maxStackSize = function(i){try{(function m(){++i&&m()}())}catch(e){return i}}(0); maxStackSize")
with STPyV8.JSIsolate():
STPyV8.JSEngine.setStackLimit(512 * 1024)
with STPyV8.JSContext() as ctxt:
newStackSize = ctxt.eval("var maxStackSize = function(i){try{(function m(){++i&&m()}())}catch(e){return i}}(0); maxStackSize")
self.assertTrue(newStackSize > oldStackSize * 2)
def run():
with STPyV8.JSIsolate():
with STPyV8.JSContext(g) as ctxt:
ctxt.eval("""
for (i=0; i<10; i++)
add(i);
""")
def testLocker(self):
with STPyV8.JSIsolate():
self.assertFalse(STPyV8.JSLocker.active)
self.assertFalse(STPyV8.JSLocker.locked)
with STPyV8.JSLocker() as outter_locker:
self.assertTrue(STPyV8.JSLocker.active)
self.assertTrue(STPyV8.JSLocker.locked)
self.assertTrue(outter_locker)
with STPyV8.JSLocker() as inner_locker:
self.assertTrue(STPyV8.JSLocker.locked)
self.assertTrue(outter_locker)
self.assertTrue(inner_locker)
with STPyV8.JSUnlocker():
self.assertFalse(STPyV8.JSLocker.locked)
self.assertTrue(outter_locker)
self.assertTrue(inner_locker)
self.assertTrue(STPyV8.JSLocker.locked)
self.assertTrue(STPyV8.JSLocker.active)
self.assertFalse(STPyV8.JSLocker.locked)
locker = STPyV8.JSLocker()
with STPyV8.JSContext():
self.assertRaises(RuntimeError, locker.__enter__)
self.assertRaises(RuntimeError, locker.__exit__, None, None, None)
del locker
def run():
with STPyV8.JSIsolate():
with STPyV8.JSContext(g) as ctxt:
ctxt.eval("""
started.wait();
for (i=0; i<10; i++)
{
sleep(100);
}
finished.release();
""")
def _testOutOfMemory(self):
with STPyV8.JSIsolate():
STPyV8.JSEngine.setMemoryLimit(max_young_space_size=16 * 1024, max_old_space_size=4 * 1024 * 1024)
with STPyV8.JSContext() as ctxt:
STPyV8.JSEngine.ignoreOutOfMemoryException()
ctxt.eval("var a = new Array(); while(true) a.push(a);")
self.assertTrue(ctxt.hasOutOfMemoryException)
STPyV8.JSEngine.setMemoryLimit()
STPyV8.JSEngine.collect()
def testBase(self):
with STPyV8.JSIsolate() as isolate:
self.assertIsNotNone(isolate.current)
self.assertFalse(isolate.locked)
def testEnterLeave(self):
with STPyV8.JSIsolate() as isolate:
self.assertIsNotNone(isolate.current)
