From bec159a580e26a7059439d0a13ebf6c84fb63b90 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Wed, 6 May 2026 19:38:42 +0000
Subject: [PATCH] test: align VM ObjectSet collision expectations

Agent-Logs-Url: https://github.com/microsoft/regorus/sessions/34a4e1b3-d364-46c4-9998-b00780f5d339

Co-authored-by: anakrish <35780660+anakrish@users.noreply.github.com>
---
 tests/rvm/vm/suites/object_operations.yaml | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/tests/rvm/vm/suites/object_operations.yaml b/tests/rvm/vm/suites/object_operations.yaml
index 6cc96df..b7085e6 100644
--- a/tests/rvm/vm/suites/object_operations.yaml
+++ b/tests/rvm/vm/suites/object_operations.yaml
@@ -6,9 +6,9 @@
 # Covers dynamic keys, collisions, non-string keys, and template validation
 
 cases:
-  - note: object_key_collision_overwrite
-    description: Setting same key twice should overwrite the value
-    example_rego: "{\"key\": 1, \"key\": 2}"
+  - note: object_key_collision_conflict
+    description: Setting same key twice with different values should raise a rule output conflict
+    example_rego: "p[key] := value if { value := [1, 2][_] }"
     literals:
       - {}
       - "key"
@@ -26,9 +26,9 @@ cases:
       - "Load { dest: 2, literal_idx: 2 }"  # value 1
       - "ObjectSet { obj: 0, key: 1, value: 2 }"
       - "Load { dest: 3, literal_idx: 3 }"  # value 2
-      - "ObjectSet { obj: 0, key: 1, value: 3 }"  # Overwrite
+      - "ObjectSet { obj: 0, key: 1, value: 3 }"  # Conflict
       - "Return { value: 0 }"
-    want_result: {"key": 2}
+    want_error: "multiple outputs"
 
   - note: object_dynamic_key_generation
     description: Generate object keys dynamically from loop iteration