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// Protocol Buffers - Google's data interchange format
// Copyright 2024 Google LLC. All rights reserved.
//
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file or at
// https://developers.google.com/open-source/licenses/bsd
use super::opaque_pointee::opaque_pointee;
use super::{upb_MessageValue, upb_MutableMessageValue, CType, RawArena, RawMessage};
use core::ptr::NonNull;
opaque_pointee!(upb_Array);
pub type RawArray = NonNull<upb_Array>;
extern "C" {
pub fn upb_Array_New(a: RawArena, r#type: CType) -> RawArray;
pub fn upb_Array_Size(arr: RawArray) -> usize;
pub fn upb_Array_Set(arr: RawArray, i: usize, val: upb_MessageValue);
pub fn upb_Array_Get(arr: RawArray, i: usize) -> upb_MessageValue;
pub fn upb_Array_Append(arr: RawArray, val: upb_MessageValue, arena: RawArena) -> bool;
pub fn upb_Array_Resize(arr: RawArray, size: usize, arena: RawArena) -> bool;
pub fn upb_Array_Reserve(arr: RawArray, size: usize, arena: RawArena) -> bool;
pub fn upb_Array_MutableDataPtr(arr: RawArray) -> *mut core::ffi::c_void;
pub fn upb_Array_DataPtr(arr: RawArray) -> *const core::ffi::c_void;
pub fn upb_Array_GetMutable(arr: RawArray, i: usize) -> RawMessage;
}
#[cfg(test)]
mod tests {
use super::super::Arena;
use super::*;
use googletest::gtest;
#[gtest]
fn assert_array_linked() {
use crate::assert_linked;
assert_linked!(upb_Array_New);
assert_linked!(upb_Array_Size);
assert_linked!(upb_Array_Set);
assert_linked!(upb_Array_Get);
assert_linked!(upb_Array_Append);
assert_linked!(upb_Array_Resize);
assert_linked!(upb_Array_Reserve);
assert_linked!(upb_Array_MutableDataPtr);
assert_linked!(upb_Array_DataPtr);
assert_linked!(upb_Array_GetMutable);
}
#[gtest]
fn array_ffi_test() {
// SAFETY: FFI unit test uses C API under expected patterns.
unsafe {
let arena = Arena::new();
let raw_arena = arena.raw();
let array = upb_Array_New(raw_arena, CType::Float);
assert!(upb_Array_Append(array, upb_MessageValue { float_val: 7.0 }, raw_arena));
assert!(upb_Array_Append(array, upb_MessageValue { float_val: 42.0 }, raw_arena));
assert_eq!(upb_Array_Size(array), 2);
assert_eq!(upb_Array_Get(array, 1).float_val, 42.0);
assert!(upb_Array_Resize(array, 3, raw_arena));
assert_eq!(upb_Array_Size(array), 3);
assert_eq!(upb_Array_Get(array, 2).float_val, 0.0);
}
}
}
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