50 lines
1.1 KiB
Plaintext
50 lines
1.1 KiB
Plaintext
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// Basic weak reference test case
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box Parent {
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init { child }
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pack() {
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me.child = new Child()
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me.child.setParent(me) // This should create a weak reference
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}
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getChild() {
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return me.child
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}
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}
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box Child {
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init { weak parent } // weak modifier on parent field
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setParent(p) {
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me.parent = p
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}
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checkParent() {
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return me.parent != null
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}
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getParentInfo() {
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if me.parent != null {
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return "Parent exists"
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} else {
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return "Parent is null (dropped)"
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}
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}
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}
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static box Main {
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main() {
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local p = new Parent()
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local child = p.getChild()
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print("Initial parent check: " + child.getParentInfo())
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// When p goes out of scope, child.parent should automatically become null
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p = 0 // Setting to 0 instead of null to avoid the undefined variable issue
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print("After parent dropped: " + child.getParentInfo())
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return "weak reference test completed"
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}
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}
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