From 9fa353b1235ab32055a205e4b8ea7b8499e68fdb Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Sat, 20 Dec 2025 04:21:42 +0000
Subject: [PATCH] Add test coverage for parent(0) and parent(-3) edge cases

Co-authored-by: mikefarah <1151925+mikefarah@users.noreply.github.com>
---
 pkg/yqlib/operator_parent_test.go | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/pkg/yqlib/operator_parent_test.go b/pkg/yqlib/operator_parent_test.go
index 0f0295ce..8a1eb700 100644
--- a/pkg/yqlib/operator_parent_test.go
+++ b/pkg/yqlib/operator_parent_test.go
@@ -65,6 +65,15 @@ var parentOperatorScenarios = []expressionScenario{
 			"D0, P[a], (!!map)::b:\n    c: cat\n",
 		},
 	},
+	{
+		description: "boundary negative",
+		skipDoc:     true,
+		document:    "a:\n  b:\n    c: cat\n",
+		expression:  `.a.b.c | parent(-3)`,
+		expected: []string{
+			"D0, P[a b], (!!map)::c: cat\n",
+		},
+	},
 	{
 		description: "large negative",
 		skipDoc:     true,
@@ -74,6 +83,15 @@ var parentOperatorScenarios = []expressionScenario{
 			"D0, P[a b c], (!!str)::cat\n",
 		},
 	},
+	{
+		description: "parent zero",
+		skipDoc:     true,
+		document:    "a:\n  b:\n    c: cat\n",
+		expression:  `.a.b.c | parent(0)`,
+		expected: []string{
+			"D0, P[a b c], (!!str)::cat\n",
+		},
+	},
 	{
 		description: "large positive",
 		skipDoc:     true,