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| 1 <script> | |
| 2 function noop(x) { | |
| 3 } | |
| 4 | |
| 5 function doGC() { | |
| 6 if (window.gc) { | |
| 7 // GC twice to make sure everything is cleaned up. | |
| 8 for (var i = 0; i < 2; i++) { | |
| 9 window.gc(); | |
| 10 } | |
| 11 } | |
| 12 } | |
| 13 | |
| 14 function runtest() { | |
| 15 if (window.layoutTestController) | |
| 16 layoutTestController.dumpAsText(); | |
| 17 | |
| 18 | |
| 19 var output = document.getElementById("output"); | |
| 20 output.innerHTML = ""; | |
| 21 | |
| 22 // Test that objects are deleted after their JS references are released. | |
| 23 var countOrig = plug.testObjectCount; | |
| 24 o1 = plug.testCreateTestObject(); | |
| 25 o2 = plug.testCreateTestObject(); | |
| 26 o3 = plug.testCreateTestObject(); | |
| 27 var countAfterCreate = plug.testObjectCount; | |
| 28 o1 = o2 = o3 = null; | |
| 29 doGC(); | |
| 30 var countAfterGC = plug.testObjectCount; | |
| 31 | |
| 32 output.innerHTML += "--- num test objects:<br>"; | |
| 33 output.innerHTML += "originally: " + countOrig + "<br>"; | |
| 34 output.innerHTML += "after creation: " + countAfterCreate + "<br>"; | |
| 35 output.innerHTML += "after GC: " + countAfterGC + "<br>"; | |
| 36 output.innerHTML += "<br>"; | |
| 37 | |
| 38 // Test that the object refcount returns to normal after JS references | |
| 39 // are released. | |
| 40 var testObj = plug.testObject; | |
| 41 var refOrig = testObj.refCount; | |
| 42 var o1 = plug.testObject; | |
| 43 var o2 = plug.testObject; | |
| 44 var o3 = plug.testObject; | |
| 45 var refAfterGet = testObj.refCount; | |
| 46 o1 = o2 = o3 = null; | |
| 47 doGC(); | |
| 48 var refAfterGetGC = testObj.refCount; | |
| 49 | |
| 50 // Test that calling NPN_Invoke with our object as a parameter returns | |
| 51 // our refcount to normal (may require a GC). | |
| 52 plug.testPassTestObject("noop", testObj); | |
| 53 plug.testPassTestObject("noop", testObj); | |
| 54 plug.testPassTestObject("noop", testObj); | |
| 55 doGC(); | |
| 56 var refAfterPass = testObj.refCount; | |
| 57 | |
| 58 output.innerHTML += "--- refcount on plug.testObject:<br>"; | |
| 59 output.innerHTML += "originally: " + refOrig + "<br>"; | |
| 60 output.innerHTML += "after get: " + refAfterGet + "<br>"; | |
| 61 output.innerHTML += "after GC: " + refAfterGetGC + "<br>"; | |
| 62 output.innerHTML += "after passing: " + refAfterPass + "<br>"; | |
| 63 | |
| 64 var success = (countAfterGC == countOrig) && (refAfterPass == refOrig); | |
| 65 output.innerHTML += (success ? "SUCCESS" : "FAILURE"); | |
| 66 } | |
| 67 </script> | |
| 68 | |
| 69 <body onload="runtest()"> | |
| 70 | |
| 71 Test that we can get an NPObject returned through a method on | |
| 72 an NPAPI Object.<P> | |
| 73 | |
| 74 Prints "SUCCESS" on success, "FAILURE" on failure. | |
| 75 | |
| 76 <embed name="plug" type="application/x-webkit-test-netscape"> | |
| 77 | |
| 78 <div id=output>FAILURE</div> | |
| 79 | |
| 80 </body> | |
| 81 | |
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