1 files changed, 15 insertions, 11 deletions
diff --git a/toolkit/components/uniffi-bindgen-gecko-js/fixtures/generated/RustSprites.sys.mjs b/toolkit/components/uniffi-bindgen-gecko-js/fixtures/generated/RustSprites.sys.mjs
index b404af06b1..c25a488009 100644
--- a/toolkit/components/uniffi-bindgen-gecko-js/fixtures/generated/RustSprites.sys.mjs
+++ b/toolkit/components/uniffi-bindgen-gecko-js/fixtures/generated/RustSprites.sys.mjs
@@ -158,7 +158,7 @@ class ArrayBufferDataStream {
     // UniFFI Pointers are **always** 8 bytes long. That is enforced
     // by the C++ and Rust Scaffolding code.
     readPointerSprite() {
-        const pointerId = 8; // sprites:Sprite
+        const pointerId = 10; // sprites:Sprite
         const res = UniFFIScaffolding.readPointer(pointerId, this.dataView.buffer, this.pos);
         this.pos += 8;
         return res;
@@ -168,7 +168,7 @@ class ArrayBufferDataStream {
     // UniFFI Pointers are **always** 8 bytes long. That is enforced
     // by the C++ and Rust Scaffolding code.
     writePointerSprite(value) {
-        const pointerId = 8; // sprites:Sprite
+        const pointerId = 10; // sprites:Sprite
         UniFFIScaffolding.writePointer(pointerId, value, this.dataView.buffer, this.pos);
         this.pos += 8;
     }
@@ -325,7 +325,7 @@ export class Sprite {
                 throw e;
             }
             return UniFFIScaffolding.callAsync(
-                106, // sprites:uniffi_uniffi_sprites_fn_constructor_sprite_new
+                124, // sprites:uniffi_uniffi_sprites_fn_constructor_sprite_new
                 FfiConverterOptionalTypePoint.lower(initialPosition),
             )
         }
@@ -361,7 +361,7 @@ export class Sprite {
                 throw e;
             }
             return UniFFIScaffolding.callAsync(
-                107, // sprites:uniffi_uniffi_sprites_fn_constructor_sprite_new_relative_to
+                125, // sprites:uniffi_uniffi_sprites_fn_constructor_sprite_new_relative_to
                 FfiConverterTypePoint.lower(reference),
                 FfiConverterTypeVector.lower(direction),
             )
@@ -377,7 +377,7 @@ export class Sprite {
         const liftError = null;
         const functionCall = () => {
             return UniFFIScaffolding.callAsync(
-                108, // sprites:uniffi_uniffi_sprites_fn_method_sprite_get_position
+                126, // sprites:uniffi_uniffi_sprites_fn_method_sprite_get_position
                 FfiConverterTypeSprite.lower(this),
             )
         }
@@ -401,7 +401,7 @@ export class Sprite {
                 throw e;
             }
             return UniFFIScaffolding.callAsync(
-                109, // sprites:uniffi_uniffi_sprites_fn_method_sprite_move_by
+                127, // sprites:uniffi_uniffi_sprites_fn_method_sprite_move_by
                 FfiConverterTypeSprite.lower(this),
                 FfiConverterTypeVector.lower(direction),
             )
@@ -426,7 +426,7 @@ export class Sprite {
                 throw e;
             }
             return UniFFIScaffolding.callAsync(
-                110, // sprites:uniffi_uniffi_sprites_fn_method_sprite_move_to
+                128, // sprites:uniffi_uniffi_sprites_fn_method_sprite_move_to
                 FfiConverterTypeSprite.lower(this),
                 FfiConverterTypePoint.lower(position),
             )
@@ -449,7 +449,11 @@ export class FfiConverterTypeSprite extends FfiConverter {
     }
 
     static lower(value) {
-        return value[uniffiObjectPtr];
+        const ptr = value[uniffiObjectPtr];
+        if (!(ptr instanceof UniFFIPointer)) {
+            throw new UniFFITypeError("Object is not a 'Sprite' instance");
+        }
+        return ptr;
     }
 
     static read(dataStream) {
@@ -517,7 +521,7 @@ export class FfiConverterTypePoint extends FfiConverterArrayBuffer {
     static checkType(value) {
         super.checkType(value);
         if (!(value instanceof Point)) {
-            throw new TypeError(`Expected 'Point', found '${typeof value}'`);
+            throw new UniFFITypeError(`Expected 'Point', found '${typeof value}'`);
         }
         try {
             FfiConverterF64.checkType(value.x);
@@ -590,7 +594,7 @@ export class FfiConverterTypeVector extends FfiConverterArrayBuffer {
     static checkType(value) {
         super.checkType(value);
         if (!(value instanceof Vector)) {
-            throw new TypeError(`Expected 'Vector', found '${typeof value}'`);
+            throw new UniFFITypeError(`Expected 'Vector', found '${typeof value}'`);
         }
         try {
             FfiConverterF64.checkType(value.dx);
@@ -674,7 +678,7 @@ export function translate(position,direction) {
                 throw e;
             }
             return UniFFIScaffolding.callAsync(
-                111, // sprites:uniffi_uniffi_sprites_fn_func_translate
+                129, // sprites:uniffi_uniffi_sprites_fn_func_translate
                 FfiConverterTypePoint.lower(position),
                 FfiConverterTypeVector.lower(direction),
             )