sgilmore10 commented on code in PR #38531:
URL: https://github.com/apache/arrow/pull/38531#discussion_r1377998907


##########
matlab/src/cpp/arrow/matlab/array/proxy/list_array.cc:
##########
@@ -100,4 +102,38 @@ namespace arrow::matlab::array::proxy {
         mda::ArrayFactory factory;
         context.outputs[0] = 
factory.createScalar(offsets_int32_array_proxy_id);
     }
+
+    void ListArray::validate(libmexclass::proxy::method::Context& context) {
+        namespace mda = ::matlab::data;
+        mda::StructArray args = context.inputs[0];
+        const mda::TypedArray<std::uint8_t> validation_mode_mda = 
args[0]["ValidationMode"];
+        const auto validation_mode_integer = uint8_t(validation_mode_mda[0]);
+        // Convert integer representation to ValidationMode enum.
+        const auto validation_mode = 
static_cast<ValidationMode>(validation_mode_integer);
+        switch (validation_mode) {
+            case ValidationMode::None: {
+                // Do nothing.
+                break;
+            }
+            case ValidationMode::Minimal: {
+                MATLAB_ERROR_IF_NOT_OK_WITH_CONTEXT(array->Validate(),
+                        context,
+                        error::ARRAY_VALIDATE_MINIMAL_FAILED);
+                break;
+            }
+            case ValidationMode::Full: {
+                MATLAB_ERROR_IF_NOT_OK_WITH_CONTEXT(array->ValidateFull(),
+                        context,
+                        error::ARRAY_VALIDATE_FULL_FAILED);
+                break;
+            }
+            default: {
+                // Throw an error if an unsupported enumeration value is 
provided.
+                const auto msg = "Unsupported ValidationMode enumeration 
value: " + std::to_string(validation_mode_integer);
+                context.error = 
libmexclass::error::Error{error::ARRAY_VALIDATE_UNSUPPORTED_ENUM, msg};
+                return;

Review Comment:
   Ok that's fine. sounds good to me.



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