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Memory leak when closing over ObjectTemplate reference #286

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Memory leak when closing over ObjectTemplate reference #286

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102abe5
Add failing test for referencing object template inside callback func…
mnutt Feb 11, 2022
71fcd86
Move ObjectTemplate leak test into object_template_test.go
dylanahsmith Feb 11, 2022
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19 changes: 19 additions & 0 deletions object_template_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -156,3 +156,22 @@ func TestObjectTemplate_garbageCollection(t *testing.T) {

runtime.GC()
}

func TestObjectTemplate_leakCheck(t *testing.T) {
isolate := v8.NewIsolate()
global := v8.NewObjectTemplate(isolate)

cb := func(info *v8.FunctionCallbackInfo) *v8.Value {
// referencing global seems to be the cause of the leak
_ = global

return v8.Null(isolate)
}

global.Set("fn", v8.NewFunctionTemplate(isolate, cb), v8.ReadOnly)

context := v8.NewContext(isolate, global)
context.Close()

isolate.Dispose()
}