adding tests

wrappers/julia/test.jl

@@ -0,0 +1,22 @@
+using Base.Test
+
+include("optunity.jl")
+
+result = minimize((x,y,z) -> (x-1)^2 + (y-2)^2 + (z+3)^4, num_evals=1000, x=[-5,5], y=[-5,5], z=[-5,5])
+@test_approx_eq_eps result[1]["x"] 1.0 .2
+@test_approx_eq_eps result[1]["y"] 2.0 .2
+@test_approx_eq_eps result[1]["z"] -3.0 .2
+
+result = maximize((x,y,z) -> -(x-1)^2 - (y-2)^2 - (z+3)^4, num_evals=10000, solver_name="grid search", x=[-5,5], y=[-5,5], z=[-5,5])
+@test_approx_eq_eps result[1]["x"] 1.0 .05
+@test_approx_eq_eps result[1]["y"] 2.0 .05
+@test_approx_eq_eps result[1]["z"] -3.0 .05
+
+function testit(d::Dict)
+	(d[:x]-1)^2 + (d[:y]-2)^2 + (d[:z]+3)^4
+end
+
+result = minimize(testit, num_evals=10000, x=[-5,5], y=[-5,5], z=[-5,5])
+@test_approx_eq_eps result[1]["x"] 1.0 .05
+@test_approx_eq_eps result[1]["y"] 2.0 .05
+@test_approx_eq_eps result[1]["z"] -3.0 .05