Test global var if ONGSAVE calls GOTO

src/lib/qsp-api.ts

@@ -315,7 +315,8 @@ export class QspAPIImpl implements QspAPI {
     const ptr = allocErrorInfoPointer(this.module);
     this.module._getLastError(ptr);
     const error = readError(this.module, ptr);
-    this.emit('error', error);
+    if (error.errorCode > 0)
+      this.emit('error', error);
     this.module._free(ptr);
   };
 

src/qsplib/src/qsp_wasm.c

@@ -176,7 +176,7 @@ void *saveGameData(int *realSize)
     if (!fileSize)
     {
       free(fileData);
-      return fileData;
+      return 0;
     }
   }
 

tests/variables.test.ts

@@ -314,6 +314,44 @@ $glob_test = $test
     expect(api.readVariable('$glob_test')).toBe("value");
   });
 
+  test('global variables get restored if ONGSAVE calls goto', () => {
+    const onSaveGame = vi.fn((_, callback) => { api.saveGame(); callback(); });
+    api.on('save_game', onSaveGame);
+
+    runTestFile(api,
+      `
+$ongsave = 'other'
+$test='value'
+local $test='value 1'
+if 1:
+  local $test='value 2'
+  $last_loc_test1 = $test
+  savegame 'test.sav'
+  $last_loc_test2 = $test
+end
+---
+# other
+$glob_test1 = $test
+gt 'new'
+---
+# new
+$glob_test2 = $test
+act 'test value':
+  $glob_test3 = $test
+end
+    `);
+
+    api.selectAction(0);
+    api.execSelectedAction();
+
+    expect(api.readVariable('$last_loc_test1')).toBe("value 2");
+    expect(onSaveGame).toHaveBeenCalledWith('test.sav', expect.any(Function));
+    expect(api.readVariable('$last_loc_test2')).toBe("");
+    expect(api.readVariable('$glob_test1')).toBe("value");
+    expect(api.readVariable('$glob_test2')).toBe("value");
+    expect(api.readVariable('$glob_test3')).toBe("value");
+  });
+
   test('local variables in nested calls are preserved (shadowing global)', () => {
     runTestFile(
       api,