fix: use initialize_v8() in test_default_allocator

Fixes race condition when tests run in parallel. The test was calling
V8::initialize_platform() directly which bypasses the Once guard in
initialize_v8(), causing "Invalid global state" panic when another
test tries to initialize V8.

Author: max-lt

build.rs

@@ -822,13 +822,16 @@ fn print_prebuilt_src_binding_path() {
   let name = format!("src_binding{features}_{profile}_{target}.rs");
 
   // Use OUT_DIR to avoid modifying source directory during cargo publish verification
-  let out_dir = env::var("OUT_DIR").map(PathBuf::from).unwrap_or_else(|_| get_dirs().root.join("gen"));
+  let out_dir = env::var("OUT_DIR")
+    .map(PathBuf::from)
+    .unwrap_or_else(|_| get_dirs().root.join("gen"));
   let src_binding_path = out_dir.join(name.clone());
 
   if !src_binding_path.exists() {
     fs::create_dir_all(&out_dir).unwrap();
     let default_base = "https://github.com/max-lt/rusty_v8/releases/download";
-    let base = env::var("RUSTY_V8_MIRROR").unwrap_or_else(|_| default_base.into());
+    let base =
+      env::var("RUSTY_V8_MIRROR").unwrap_or_else(|_| default_base.into());
     let version = env::var("CARGO_PKG_VERSION").unwrap();
     let url = format!("{base}/v{version}/{name}");
     download_file(&url, &src_binding_path);

src/array_buffer.rs

@@ -235,10 +235,7 @@ fn test_rust_allocator() {
 
 #[test]
 fn test_default_allocator() {
-  crate::V8::initialize_platform(
-    crate::new_default_platform(0, false).make_shared(),
-  );
-  crate::V8::initialize();
+  crate::initialize_v8();
   new_default_allocator();
 }