add test_basinmask

test/test_basinmask.jl

@@ -0,0 +1,26 @@
+# for testing, put everything in the data directory
+diagpath = datadir() #diagdir(expt)
+# print output here
+path_out = datadir() #sig1dir(expt)
+!isdir(path_out) && mkdir(path_out) 
+
+pathout = datadir() #regpolesdir(expt)
+!isdir(pathout) && mkdir(pathout) 
+
+maskname =  ["Pacific","South China Sea","East China Sea","Okhotsk Sea","Java Sea","Japan Sea","Timor Sea"]
+hemisphere = :both
+Lsmooth = 5
+southlat = -15
+northlat = 15
+
+msk = basin_mask(maskname,γ,southlat=southlat,northlat=northlat)
+@test maximum(msk) == 1.0
+@test minimum(msk) == 0.0
+
+@test iszero(maximum(nancount(msk)))
+@test sum(nancount(MeshArrays.mask(msk,NaN,0.0))) > 0
+
+msk_smooth = basin_mask(maskname,γ,southlat=southlat,northlat=northlat,Lsmooth=Lsmooth)
+maximum(nancount(msk_smooth))
+# any values between 0 and 1? yes.
+@test maximum(MeshArrays.mask(msk,0.0)) > maximum(MeshArrays.mask(msk_smooth,0.0)) # smooth always less than 1