Test that x_df and DF haven't changed

JuliaNLSolvers · Apr 6, 2018 · 46fe8b6 · 46fe8b6
1 parent 4eea001
commit 46fe8b6
Showing 1 changed file with 7 additions and 2 deletions.
diff --git a/test/objective_types.jl b/test/objective_types.jl
@@ -15,8 +15,13 @@
     @test value(od) == 0.0
     @test od.f_calls == [0]
     @test od.df_calls == [0]
-    gx = gradient(od, x_seed)
-    @test gradient(od, x_seed) == gx
+    od.x_df .= x_seed
+    gold = copy(od.DF)
+    xnew = rand(size(x_seed))
+    gnew = gradient(od, xnew)
+    @test od.x_df == x_seed
+    @test od.DF == gold
+    @test gnew == gradient(od, xnew)
 
     td = TwiceDifferentiable(exponential, exponential_gradient!, nothing, exponential_hessian!, x_seed, 0.0, g_seed, h_seed)
     @test td.f == exponential