From baf9a985ece8c02d45ae151d64bdf25d3e2faeaa Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Antonio=20S=C3=A1nchez?= <cantonios@google.com>
Date: Thu, 10 Mar 2022 15:05:58 +0000
Subject: [PATCH] Fix swap test for size 1 inputs.

---
 test/swap.cpp | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/test/swap.cpp b/test/swap.cpp
index 6189f1372..438835f3c 100644
--- a/test/swap.cpp
+++ b/test/swap.cpp
@@ -24,10 +24,13 @@ struct other_matrix_type<Matrix<Scalar_, Rows_, Cols_, Options_, MaxRows_, MaxCo
 template <typename MatrixType>
 typename internal::enable_if<(MatrixType::RowsAtCompileTime==1 || MatrixType::RowsAtCompileTime==Dynamic), void>::type
 check_row_swap(MatrixType& m1) {
-  // test assertion on mismatching size -- matrix case
-  VERIFY_RAISES_ASSERT(m1.swap(m1.row(0)));
-  // test assertion on mismatching size -- xpr case
-  VERIFY_RAISES_ASSERT(m1.row(0).swap(m1));
+  
+  if (m1.rows() != 1) {
+    // test assertion on mismatching size -- matrix case
+    VERIFY_RAISES_ASSERT(m1.swap(m1.row(0)));
+    // test assertion on mismatching size -- xpr case
+    VERIFY_RAISES_ASSERT(m1.row(0).swap(m1));
+  }
 }
 
 template <typename MatrixType>