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test/request_test.dart

Index: test/request_test.dart
diff --git a/test/request_test.dart b/test/request_test.dart
index b02de541f903d195d2a31a65f7882f6ed9a74714..d7d20311911ddac05075ad2592946b431dea9833 100644
--- a/test/request_test.dart
+++ b/test/request_test.dart
@@ -278,5 +278,31 @@ void main() {
         expect(() => request.change(path: 'di'), throwsArgumentError);
       });
     });
+
+    test("allows the original request to be read", () {
+      var request = _request();
+      var changed = request.change();
+
+      expect(request.read().toList(), completion(isEmpty));
+      expect(changed.read, throwsStateError);
+    });
+
+    test("allows the changed request to be read", () {
+      var request = _request();
+      var changed = request.change();
+
+      expect(changed.read().toList(), completion(isEmpty));
+      expect(request.read, throwsStateError);
+    });
+
+    test("allows another changed request to be read", () {
+      var request = _request();
+      var changed1 = request.change();
+      var changed2 = request.change();
+
+      expect(changed2.read().toList(), completion(isEmpty));
+      expect(changed1.read, throwsStateError);
+      expect(request.read, throwsStateError);
+    });
   });
 }