зеркало из https://github.com/mozilla/gecko-dev.git
Testcase for bug 542263 - crash at NPObjWrapper_NewResolve or various other places
--HG-- extra : rebase_source : 92a3bc42926934ec4f077657d4c519809fa71df0
This commit is contained in:
Benjamin Smedberg
Родитель
2bbb1c5271
Коммит
ba72a63e70
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@ -0,0 +1,59 @@
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<head>
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<title>GC race with actors on the parent</title>
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<script type="text/javascript"
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src="/MochiKit/packed.js"></script>
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<script type="text/javascript"
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src="/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" type="text/css"
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href="/tests/SimpleTest/test.css" />
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<body onload="setTimeout(checkGCRace, 1000)">
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<p id="display"></p>
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<embed id="p" type="application/x-test" wmode="window"></embed>
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<script class="testbody" type="application/javascript">
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SimpleTest.waitForExplicitFinish();
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var nested = false;
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function cb(f) {
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ok(!nested, "Callback shouldn't occur in a nested stack frame");
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try {
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f(35);
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ok(true, "Callback was called, no crash");
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}
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catch (e) {
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ok(false, "Exception calling callback object: " + e);
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}
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SimpleTest.executeSoon(removePlugin);
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}
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function removePlugin() {
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var p = document.getElementById('p');
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p.parentNode.removeChild(p);
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p = null;
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netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
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Components.utils.forceGC();
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SimpleTest.finish();
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}
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function checkGCRace() {
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nested = true;
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// The plugin will hand back a function and immediately sleep.
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// We will lose our only reference to the function and force GC, followed
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// by calling us with that function object again. We should be able to
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// call the function and not crash.
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var p = document.getElementById('p');
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var f = p.checkGCRace(cb);
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f = null; // 'f' should be collected next GC
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nested = false;
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setTimeout(function() {
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netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
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Components.utils.forceGC();
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}, 2000);
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}
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</script>
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@ -46,6 +46,7 @@
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#ifdef XP_WIN
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#include <process.h>
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#include <float.h>
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#include <windows.h>
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#define getpid _getpid
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#else
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#include <unistd.h>
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@ -144,6 +145,7 @@ static bool setCookie(NPObject* npobj, const NPVariant* args, uint32_t argCount,
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static bool getCookie(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);
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static bool getAuthInfo(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);
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static bool asyncCallbackTest(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);
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static bool checkGCRace(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPVariant* result);
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static const NPUTF8* sPluginMethodIdentifierNames[] = {
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"npnEvaluateTest",
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@ -181,6 +183,7 @@ static const NPUTF8* sPluginMethodIdentifierNames[] = {
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"getCookie",
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"getAuthInfo",
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"asyncCallbackTest",
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"checkGCRace",
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};
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static NPIdentifier sPluginMethodIdentifiers[ARRAY_LENGTH(sPluginMethodIdentifierNames)];
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static const ScriptableFunction sPluginMethodFunctions[ARRAY_LENGTH(sPluginMethodIdentifierNames)] = {
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@ -219,6 +222,7 @@ static const ScriptableFunction sPluginMethodFunctions[ARRAY_LENGTH(sPluginMetho
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getCookie,
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getAuthInfo,
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asyncCallbackTest,
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checkGCRace,
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};
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struct URLNotifyData
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@ -2450,3 +2454,101 @@ asyncCallbackTest(NPObject* npobj, const NPVariant* args, uint32_t argCount, NPV
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return true;
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}
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static bool
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GCRaceInvoke(NPObject*, NPIdentifier, const NPVariant*, uint32_t, NPVariant*)
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{
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return false;
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}
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static bool
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GCRaceInvokeDefault(NPObject* o, const NPVariant* args, uint32_t argCount,
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NPVariant* result)
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{
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if (1 != argCount || !NPVARIANT_IS_INT32(args[0]) ||
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35 != NPVARIANT_TO_INT32(args[0]))
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return false;
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return true;
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}
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static const NPClass kGCRaceClass = {
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NP_CLASS_STRUCT_VERSION,
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NULL,
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NULL,
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NULL,
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NULL,
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GCRaceInvoke,
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GCRaceInvokeDefault,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL
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};
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struct GCRaceData
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{
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GCRaceData(NPP npp, NPObject* callback, NPObject* localFunc)
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: npp_(npp)
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, callback_(callback)
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, localFunc_(localFunc)
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{
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NPN_RetainObject(callback_);
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NPN_RetainObject(localFunc_);
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}
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~GCRaceData()
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{
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NPN_ReleaseObject(callback_);
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NPN_ReleaseObject(localFunc_);
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}
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NPP npp_;
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NPObject* callback_;
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NPObject* localFunc_;
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};
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static void
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FinishGCRace(void* closure)
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{
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GCRaceData* rd = static_cast<GCRaceData*>(closure);
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#ifdef XP_WIN
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Sleep(5000);
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#else
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sleep(5);
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#endif
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NPVariant arg;
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OBJECT_TO_NPVARIANT(rd->localFunc_, arg);
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NPVariant result;
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bool ok = NPN_InvokeDefault(rd->npp_, rd->callback_, &arg, 1, &result);
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if (!ok)
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return;
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NPN_ReleaseVariantValue(&result);
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delete rd;
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}
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bool
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checkGCRace(NPObject* npobj, const NPVariant* args, uint32_t argCount,
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NPVariant* result)
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{
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if (1 != argCount || !NPVARIANT_IS_OBJECT(args[0]))
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return false;
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NPP npp = static_cast<TestNPObject*>(npobj)->npp;
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NPObject* localFunc =
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NPN_CreateObject(npp, const_cast<NPClass*>(&kGCRaceClass));
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GCRaceData* rd =
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new GCRaceData(npp, NPVARIANT_TO_OBJECT(args[0]), localFunc);
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NPN_PluginThreadAsyncCall(npp, FinishGCRace, rd);
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OBJECT_TO_NPVARIANT(localFunc, *result);
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return true;
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}
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