From 082e8512df0a511fcbfeb0c3fb552102664bb0b0 Mon Sep 17 00:00:00 2001
From: fisker Cheung <lionkay@gmail.com>
Date: Wed, 21 Jan 2026 09:01:22 +0800
Subject: [PATCH] Add test for #13079 (#18693)

---
 tests/format/js/if/__snapshots__/format.test.js.snap | 8 ++++++++
 tests/format/js/if/if_comments.js                    | 4 ++++
 2 files changed, 12 insertions(+)

diff --git a/tests/format/js/if/__snapshots__/format.test.js.snap b/tests/format/js/if/__snapshots__/format.test.js.snap
index 39af73281..ad27d7324 100644
--- a/tests/format/js/if/__snapshots__/format.test.js.snap
+++ b/tests/format/js/if/__snapshots__/format.test.js.snap
@@ -323,6 +323,10 @@ async function f5() {
   }
 }
 
+// https://github.com/prettier/prettier/issues/13079
+if (dotPos > this.pos) /** transition forward */;
+      else /** transition backward */;
+
 =====================================output=====================================
 async function f1() {
   if (untrackedChoice === 0) /* Cancel */ {
@@ -375,6 +379,10 @@ async function f5() {
   }
 }
 
+// https://github.com/prettier/prettier/issues/13079
+if (dotPos > this.pos) /** transition forward */ ;
+else /** transition backward */ ;
+
 ================================================================================
 `;
 
diff --git a/tests/format/js/if/if_comments.js b/tests/format/js/if/if_comments.js
index bf2a7d61e..87ad29a3d 100644
--- a/tests/format/js/if/if_comments.js
+++ b/tests/format/js/if/if_comments.js
@@ -53,3 +53,7 @@ async function f5() {
     /* Allow Untracked */ allowUntracked = true;
   }
 }
+
+// https://github.com/prettier/prettier/issues/13079
+if (dotPos > this.pos) /** transition forward */;
+      else /** transition backward */;