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