diff --git a/test/TextToBinary.ModeSetting.cpp b/test/TextToBinary.ModeSetting.cpp
index 6f26b3ee1..955ab3199 100644
--- a/test/TextToBinary.ModeSetting.cpp
+++ b/test/TextToBinary.ModeSetting.cpp
@@ -86,6 +86,13 @@ INSTANTIATE_TEST_CASE_P(TextToBinaryMemoryModel, OpMemoryModelTest,
 #undef CASE
 // clang-format on
 
+TEST_F(OpMemoryModelTest, WrongModel) {
+  EXPECT_THAT(CompileFailure("OpMemoryModel xxyyzz Simple"),
+              Eq("Invalid addressing model 'xxyyzz'."));
+  EXPECT_THAT(CompileFailure("OpMemoryModel Logical xxyyzz"),
+              Eq("Invalid memory model 'xxyyzz'."));
+}
+
 // Test OpEntryPoint
 
 // An example case for OpEntryPoint