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xo-object2: allow 0-capacity DArrays + utest

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This commit is contained in:
Roland Conybeare 2026-01-15 17:22:03 -05:00
commit 293d805351
3 changed files with 47 additions and 10 deletions
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38
xo-object2/utest/DArray.test.cpp
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@ -153,6 +153,44 @@ namespace xo {
REQUIRE(arr->at(2).data() == e2.data());
}
TEST_CASE("DArray-array", "[object2][DArray]")
{
ArenaConfig cfg { .name_ = "testarena",
.size_ = 4*1024 };
DArena arena = DArena::map(cfg);
auto alloc = with_facet<AAllocator>::mkobj(&arena);
obj<AGCObject> e0 = DInteger::box<AGCObject>(alloc, 10);
obj<AGCObject> e1 = DInteger::box<AGCObject>(alloc, 20);
obj<AGCObject> e2 = DInteger::box<AGCObject>(alloc, 30);
DArray * arr = DArray::array(alloc, e0, e1, e2);
REQUIRE(arr != nullptr);
REQUIRE(arr->size() == 3);
REQUIRE(arr->capacity() == 3);
REQUIRE(arr->is_empty() == false);
REQUIRE(arr->at(0).data() == e0.data());
REQUIRE(arr->at(1).data() == e1.data());
REQUIRE(arr->at(2).data() == e2.data());
}
TEST_CASE("DArray-array-empty", "[object2][DArray]")
{
ArenaConfig cfg { .name_ = "testarena",
.size_ = 4*1024 };
DArena arena = DArena::map(cfg);
auto alloc = with_facet<AAllocator>::mkobj(&arena);
DArray * arr = DArray::array(alloc);
REQUIRE(arr != nullptr);
REQUIRE(arr->size() == 0);
REQUIRE(arr->capacity() == 0);
REQUIRE(arr->is_empty() == true);
}
} /*namespace ut*/
} /*namespace xo*/