Format

Author: mtfishman

Project.toml

@@ -1,7 +1,7 @@
 name = "ITensors"
 uuid = "9136182c-28ba-11e9-034c-db9fb085ebd5"
 authors = ["Matthew Fishman <mfishman@flatironinstitute.org>", "Miles Stoudenmire <mstoudenmire@flatironinstitute.org>"]
-version = "0.9.14"
+version = "0.9.15"
 
 [deps]
 Adapt = "79e6a3ab-5dfb-504d-930d-738a2a938a0e"

test/base/test_itensor.jl

@@ -7,6 +7,7 @@ using ITensors:
     ITensor,
     Order,
     QN,
+    TagSet,
     ⊕,
     δ,
     addtags,
@@ -102,6 +103,24 @@ end
             @test storage(A) isa NDTensors.EmptyStorage{NDTensors.EmptyNumber}
         end
 
+        @testset "show" begin
+            i = Index{Int}(1, 2, ITensors.Neither, TagSet(), 0)
+            a = ITensor([1, 2], i)
+            function res_show(prefix = "")
+                return "ITensor ord=1\nDim 1: (dim=2|id=1)\n" *
+                    "$(prefix)Dense{Float64, Vector{Float64}}\n" *
+                    " 2-element\n 1.0\n 2.0\n"
+            end
+            @test sprint(show, a) in (res_show(), res_show("NDTensors."))
+            @test sprint(show, a; context = :compact => true) == "((dim=2|id=1),)"
+            function res_show_text(prefix = "")
+                return "ITensor ord=1 (dim=2|id=1)\n" *
+                    "$(prefix)Dense{Float64, Vector{Float64}}"
+            end
+            @test sprint(show, MIME"text/plain"(), a) in
+                (res_show_text(), res_show_text("NDTensors."))
+        end
+
         @testset "diag" for ElType in (Float32, Float64, ComplexF32, ComplexF64)
             i, j = Index.(2, ("i", "j"))
             A = random_itensor(ElType, i, j)