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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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