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hakorune/apps/tests/phase285_weak_basic.hako

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// Phase 285A0.1: WeakRef basic test
// SSOT: docs/reference/language/lifecycle.md:179 - weak(x)/weak_to_strong()
//
// Test: weak(x) creates WeakRef, weak_to_strong() returns Box when alive
// Note: Full drop semantics test deferred (needs GC/scope analysis)
// VM: PASS expected
// LLVM: SKIP (Phase 285A1)
box SomeBox {
x
}
static box Main {
main() {
local x = new SomeBox()
x.x = 42
local w = weak(x)
// Test 1: weak_to_strong should succeed while x is alive
local y = w.weak_to_strong()
if y == null {
print("ng: weak_to_strong returned null while x alive")
return 1
}
// Test 2: verify weak_to_strong returns same box
if y.x != 42 {
print("ng: weak_to_strong value differs from original")
return 1
}
print("ok: weak and weak_to_strong work correctly")
return 0
}
}