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cache_sync() copy Any/Union

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Delta may be later be changed by user code,
so copy to ensure cache is not modified.

cf. 92fb0a4afa
This commit is contained in:
Michael Davidsaver
2024-07-31 17:05:28 -07:00
parent 1ca7600a2b
commit 330097b7d4
4 changed files with 59 additions and 9 deletions
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test/testdata.cpp
+55 -1
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@@ -493,11 +493,64 @@ void testClear()
testFalse(val.isMarked(true, true));
}
void test_cache_sync()
{
testShow()<<__func__;
auto cache(TypeDef(TypeCode::Struct, {
members::UInt32("int"),
members::String("string"),
members::UInt32A("arr"),
members::Any("any"),
Member(TypeCode::Union, "choice", {
Member(TypeCode::Float32, "a"),
Member(TypeCode::String, "b"),
}),
}).create());
auto delta(cache.cloneEmpty());
delta["int"] = 42;
delta["string"] = "hello";
delta["arr"] = shared_array<const uint32_t>({1, 2, 3});
delta["any"] = 5;
delta["choice->a"] = 6;
// updates cache <- delta
cache_sync(cache, delta);
testEq(delta["int"].as<uint32_t>(), 42u);
testEq(delta["string"].as<std::string>(), "hello");
testArrEq(delta["arr"].as<shared_array<const uint32_t>>(), shared_array<const uint32_t>({1, 2, 3}));
testEq(delta["any"].as<uint32_t>(), 5u);
testEq(delta["choice"].as<uint32_t>(), 6u);
testEq(cache["int"].as<uint32_t>(), 42u);
testEq(cache["string"].as<std::string>(), "hello");
testArrEq(cache["arr"].as<shared_array<const uint32_t>>(), shared_array<const uint32_t>({1, 2, 3}));
testEq(cache["any"].as<uint32_t>(), 5u);
testEq(cache["choice"].as<uint32_t>(), 6u);
delta = cache.cloneEmpty();
// updates cache -> delta
cache_sync(cache, delta);
testEq(delta["int"].as<uint32_t>(), 42u);
testEq(delta["string"].as<std::string>(), "hello");
testArrEq(delta["arr"].as<shared_array<const uint32_t>>(), shared_array<const uint32_t>({1, 2, 3}));
testEq(delta["any"].as<uint32_t>(), 5u);
testEq(delta["choice"].as<uint32_t>(), 6u);
// Any/Union should be copied to allow consumer of delta to modify
testFalse(delta["any"].as<Value>().equalInst(cache["any"].as<Value>()));
testFalse(delta["choice"].as<Value>().equalInst(cache["choice"].as<Value>()));
}
} // namespace
MAIN(testdata)
{
testPlan(172);
testPlan(189);
testSetup();
testTraverse();
testAssign();
@@ -581,6 +634,7 @@ MAIN(testdata)
testUnionMagicAssign();
testExtract();
testClear();
test_cache_sync();
cleanup_for_valgrind();
return testDone();
}