diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index 97b445f90..45b0df76d 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -78,7 +78,7 @@ foreach(BACKEND IN ITEMS eigen)
     "linalg_copy.cpp"
     "linalg_identity_default.cpp"
     "linalg_identity.cpp"
-    "linalg_operator_bracket_1x2.cpp"
+    "linalg_operator_bracket.cpp"
     "linalg_operator_equality.cpp"
     "linalg_zero_default.cpp"
     "linalg_zero.cpp")
diff --git a/test/linalg_operator_bracket_1x2.cpp b/test/linalg_operator_bracket.cpp
similarity index 89%
rename from test/linalg_operator_bracket_1x2.cpp
rename to test/linalg_operator_bracket.cpp
index e583017cd..ba91b29b8 100644
--- a/test/linalg_operator_bracket_1x2.cpp
+++ b/test/linalg_operator_bracket.cpp
@@ -42,9 +42,15 @@ For more information, please refer to <https://unlicense.org> */
 
 namespace fcarouge::test {
 namespace {
-//! @test Verifies ...
+//! @test Verifies the 1x1 matrix bracket operator.
+//!
+//! @todo Rewrite this test as a property-based test.
 [[maybe_unused]] auto test{[] {
-  // matrix<double, 1, 2> m;
+  matrix<> m{42.0};
+
+  assert(m(0) == 42.0);
+  assert(m(0, 0) == 42.0);
+  assert(m[0] == 42.0);
 
   return 0;
 }()};