1 files changed, 77 insertions, 0 deletions
diff --git a/SoraTests/SettingsManagerSyncTests.swift b/SoraTests/SettingsManagerSyncTests.swift
index 50106dc..8ed9d83 100644
--- a/SoraTests/SettingsManagerSyncTests.swift
+++ b/SoraTests/SettingsManagerSyncTests.swift
@@ -91,6 +91,83 @@ final class SettingsManagerSyncTests: XCTestCase {
     )
   }
 
+  func testSearchHistoryMutationPathReusesSortedPayloadAndAvoidsInlineResort() throws {
+    let source = try loadSource(at: "Sora/Data/Settings/SettingsManager.swift")
+    let searchHistorySetterSection = try extractFunction(
+      named: "var searchHistory: [BooruSearchQuery]",
+      from: source
+    )
+    let updateSearchHistorySection = try extractFunction(
+      named: "func updateSearchHistory(",
+      from: source
+    )
+    let normalizedSetterSection = strippingCommentsAndStrings(from: searchHistorySetterSection)
+    let normalizedUpdateSection = strippingCommentsAndStrings(from: updateSearchHistorySection)
+    let setterSortedHistoryDeclarationCount = tokenCount(
+      matching: #"\blet\s+sortedSearchHistory\s*="#,
+      in: normalizedSetterSection
+    )
+    let setterInlineSortClosureCount = tokenCount(
+      matching: #"syncableData\s*\([\s\S]*?\)\s*\{\s*\$0\s*\.\s*sorted"#,
+      in: normalizedSetterSection
+    )
+    let setterPreEncodedForwardCount = tokenCount(
+      matching: #"syncableData\s*\([\s\S]*?\bencodedData\s*:"#,
+      in: normalizedSetterSection
+    )
+
+    let updateSortedHistoryDeclarationCount = tokenCount(
+      matching: #"\blet\s+sortedSearchHistory\s*="#,
+      in: normalizedUpdateSection
+    )
+    let updateInlineSortClosureCount = tokenCount(
+      matching: #"syncableData\s*\([\s\S]*?\)\s*\{\s*\$0\s*\.\s*sorted"#,
+      in: normalizedUpdateSection
+    )
+    let updatePreEncodedForwardCount = tokenCount(
+      matching: #"syncableData\s*\([\s\S]*?\bencodedData\s*:"#,
+      in: normalizedUpdateSection
+    )
+
+    // swiftlint:disable:next prefer_nimble
+    XCTAssertGreaterThan(
+      setterSortedHistoryDeclarationCount,
+      0,
+      "searchHistory setter should precompute sorted values once."
+    )
+    // swiftlint:disable:next prefer_nimble
+    XCTAssertEqual(
+      setterInlineSortClosureCount,
+      0,
+      "searchHistory setter should avoid inline resorting inside syncableData."
+    )
+    // swiftlint:disable:next prefer_nimble
+    XCTAssertGreaterThan(
+      setterPreEncodedForwardCount,
+      0,
+      "searchHistory setter should forward a pre-encoded payload to syncableData."
+    )
+
+    // swiftlint:disable:next prefer_nimble
+    XCTAssertGreaterThan(
+      updateSortedHistoryDeclarationCount,
+      0,
+      "updateSearchHistory should precompute sorted values once."
+    )
+    // swiftlint:disable:next prefer_nimble
+    XCTAssertEqual(
+      updateInlineSortClosureCount,
+      0,
+      "updateSearchHistory should avoid inline resorting inside syncableData."
+    )
+    // swiftlint:disable:next prefer_nimble
+    XCTAssertGreaterThan(
+      updatePreEncodedForwardCount,
+      0,
+      "updateSearchHistory should forward a pre-encoded payload to syncableData."
+    )
+  }
+
   func testBatchedSyncPathGuardsUnchangedPayloadWrites() throws {
     let source = try loadSource(at: "Sora/Data/Settings/SettingsManager.swift")
     let triggerSyncSection = try extractFunction(