From 8ce6f5658d649c72a9d5b3c391f7a50ab8041b08 Mon Sep 17 00:00:00 2001
From: Oscar Dowson <odow@users.noreply.github.com>
Date: Wed, 31 Jan 2024 14:59:41 +1300
Subject: [PATCH] Fix MOI wrapper if solve_mcp fails (#101)

---
 src/MOI_wrapper.jl  | 6 ++++++
 test/MOI_wrapper.jl | 7 +++++++
 2 files changed, 13 insertions(+)

diff --git a/src/MOI_wrapper.jl b/src/MOI_wrapper.jl
index 899d011..cc53c3a 100644
--- a/src/MOI_wrapper.jl
+++ b/src/MOI_wrapper.jl
@@ -387,6 +387,12 @@ function MOI.optimize!(model::Optimizer)
         jacobian_data_contiguous = true,
         [k => v for (k, v) in model.ext[:kwargs]]...,
     )
+    if x === nothing
+        x = fill(NaN, length(initial))
+    end
+    if info === nothing
+        info = Information()
+    end
     model.ext[:solution] = Solution(status, x, info)
     return
 end
diff --git a/test/MOI_wrapper.jl b/test/MOI_wrapper.jl
index 4c2e008..888d776 100644
--- a/test/MOI_wrapper.jl
+++ b/test/MOI_wrapper.jl
@@ -457,6 +457,13 @@ function test_user_defined_function()
     return
 end
 
+function test_empty_model()
+    model = PATHSolver.Optimizer()
+    MOI.optimize!(model)
+    @test MOI.get(model, MOI.TerminationStatus()) == MOI.LOCALLY_SOLVED
+    return
+end
+
 end
 
 TestMOIWrapper.runtests()