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Add test involving empty vector

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This commit is contained in:
David Tolnay 2020-09-24 16:07:30 -04:00
parent a5a14ce158
commit 80631e93ef
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GPG Key ID: F9BA143B95FF6D82
2 changed files with 10 additions and 0 deletions
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6
tests/ffi/lib.rs
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@ -145,6 +145,7 @@ pub mod ffi {
fn r_take_rust_string(s: String);
fn r_take_unique_ptr_string(s: UniquePtr<CxxString>);
fn r_take_ref_vector(v: &CxxVector<u8>);
fn r_take_ref_empty_vector(v: &CxxVector<u64>);
fn r_take_rust_vec(v: Vec<u8>);
fn r_take_rust_vec_string(v: Vec<String>);
fn r_take_ref_rust_vec(v: &Vec<u8>);
@ -313,6 +314,11 @@ fn r_take_ref_vector(v: &CxxVector<u8>) {
assert_eq!(slice, [20, 2, 0]);
}
fn r_take_ref_empty_vector(v: &CxxVector<u64>) {
assert!(v.as_slice().is_empty());
assert!(v.is_empty());
}
fn r_take_rust_vec(v: Vec<u8>) {
let _ = v;
}

4
tests/ffi/tests.cc
View File

@ -400,6 +400,10 @@ extern "C" const char *cxx_run_test() noexcept {
r_take_unique_ptr_string(
std::unique_ptr<std::string>(new std::string("2020")));
r_take_ref_vector(std::vector<uint8_t>{20, 2, 0});
std::vector<uint64_t> empty_vector;
r_take_ref_empty_vector(empty_vector);
empty_vector.reserve(10);
r_take_ref_empty_vector(empty_vector);
r_take_enum(Enum::AVal);
ASSERT(r_try_return_primitive() == 2020);