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xo-object2: + DString::from_view()

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This commit is contained in:
Roland Conybeare 2026-01-15 19:37:32 -05:00
commit 2edfb56530
3 changed files with 50 additions and 0 deletions
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25
xo-object2/utest/DString.test.cpp
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@ -50,6 +50,31 @@ namespace xo {
REQUIRE(std::strcmp(s->chars(), cstr) == 0);
}
TEST_CASE("DString-from_view", "[object2][DString]")
{
ArenaConfig cfg { .name_ = "testarena",
.size_ = 4*1024 };
DArena arena = DArena::map(cfg);
auto alloc = with_facet<AAllocator>::mkobj(&arena);
std::string_view sv = "hello world";
DString * s = DString::from_view(alloc, sv);
REQUIRE(s != nullptr);
REQUIRE(s->capacity() == 12);
REQUIRE(s->size() == 11);
REQUIRE(std::strcmp(s->chars(), "hello world") == 0);
// test with substring (not null-terminated)
std::string_view sub = sv.substr(0, 5);
DString * s2 = DString::from_view(alloc, sub);
REQUIRE(s2 != nullptr);
REQUIRE(s2->capacity() == 6);
REQUIRE(s2->size() == 5);
REQUIRE(std::strcmp(s2->chars(), "hello") == 0);
}
TEST_CASE("DString-assign", "[object2][DString]")
{
ArenaConfig cfg { .name_ = "testarena",