From a0ca8bf89cd34f3e903e2d0f9073a0779ac3f1ed Mon Sep 17 00:00:00 2001
From: Feror <contact@feror.fr>
Date: Tue, 2 Jun 2026 15:19:23 +0200
Subject: [PATCH] test(editor): stabilize dirty render measurement

---
 .../EditorLargeDocumentValidationTests.swift               | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/Tests/SaplingEditorTests/EditorLargeDocumentValidationTests.swift b/Tests/SaplingEditorTests/EditorLargeDocumentValidationTests.swift
index c483467..573c2ec 100644
--- a/Tests/SaplingEditorTests/EditorLargeDocumentValidationTests.swift
+++ b/Tests/SaplingEditorTests/EditorLargeDocumentValidationTests.swift
@@ -38,12 +38,11 @@ final class EditorLargeDocumentValidationTests: XCTestCase {
                 previousActiveLineIndex: activeLineIndex,
                 currentActiveLineIndex: activeLineIndex
             )
+            let updatedLineIndex = DocumentLineIndex(source: updatedSource)
             let dirtyRenderMeasurement = elapsedTime {
-                let lines = EditorActiveLineTracker.lines(from: updatedSource, activeLineIndex: activeLineIndex)
-                let dirty = Set(plan.dirtyLineIndexes)
                 let renderer = HybridMarkdownLineRenderer()
-                _ = lines
-                    .filter { dirty.contains($0.index) }
+                _ = plan.dirtyLineIndexes
+                    .compactMap { updatedLineIndex.editorLine(at: $0, activeLineIndex: activeLineIndex) }
                     .map(renderer.renderPlan(for:))
             }