Merge pull request #833 from SceneTech/fix/audio-literal-msvc-832

Partition Audio bootstrap for MSVC

Author: wieslawsoltes

experiments/WebScene.NativeEngine.Probe/native/media/audio_platform.js.inc

@@ -95,7 +95,8 @@ class MediaDevices extends EventTarget {
  async enumerateDevices(){
   const response=await native('enumerateDevices');
   const malformed=()=>new DOMException('The native media-device response is invalid','DataError');
-  if(!response||response.type!=='application/vnd.webscene.media-devices+json'||!(response.bytes instanceof Uint8Array)||response.bytes.byteLength>262144)throw malformed();
+)AUDIOJS"
+R"AUDIOJS(  if(!response||response.type!=='application/vnd.webscene.media-devices+json'||!(response.bytes instanceof Uint8Array)||response.bytes.byteLength>262144)throw malformed();
   let payload;try{payload=JSON.parse(new TextDecoder('utf-8',{fatal:true}).decode(response.bytes));}catch{throw malformed();}
   if(!payload||payload.version!==1||!Array.isArray(payload.devices)||payload.devices.length>64)throw malformed();
   const ids=new Set(),records=[];

scripts/tests/test_v8_bootstrap_literals.py

@@ -22,6 +22,14 @@
 SERVICE_WORKER_PATH = RUNTIME_PATH.with_name(
     "webscene_v8_runtime_service_workers.inc"
 )
+AUDIO_PLATFORM_PATH = (
+    ROOT
+    / "experiments"
+    / "WebScene.NativeEngine.Probe"
+    / "native"
+    / "media"
+    / "audio_platform.js.inc"
+)
 INDEXEDDB_PATH = (
     ROOT
     / "experiments"
@@ -82,6 +90,23 @@ def test_service_worker_bootstrap_literals_are_portable(self) -> None:
             )
         )
 
+    def test_audio_platform_literals_are_portable_and_byte_exact(self) -> None:
+        source = AUDIO_PLATFORM_PATH.read_text(encoding="utf-8")
+        parts = re.findall(r'R"AUDIOJS\((.*?)\)AUDIOJS"', source, re.DOTALL)
+        joined = "".join(parts)
+
+        self.assertGreater(len(parts), 1)
+        self.assertTrue(
+            all(
+                len(part.encode("utf-8")) <= EXTRACTOR.MAX_RAW_LITERAL_BYTES
+                for part in parts
+            )
+        )
+        self.assertEqual(
+            hashlib.sha256(joined.encode("utf-8")).hexdigest(),
+            "3dd3dccc775d895fad213a3622ae8a678f6d5557af842a40060f66bcc9a3ce59",
+        )
+
     def test_indexeddb_bootstrap_is_portable_and_byte_exact(self) -> None:
         source = INDEXEDDB_PATH.read_text(encoding="utf-8")
         parts = EXTRACTOR.extract_parts(