Add test_throws for empty emtpy case

ITensor · May 16, 2024 · f35d67c · f35d67c
1 parent 72941b5
commit f35d67c
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/test/base/test_itensor.jl b/test/base/test_itensor.jl
@@ -1806,6 +1806,7 @@ end
     B = randomITensor(i1, i2, k)
     C = randomITensor(i1, i2, l)
     D = ITensor(i1, i2, k)
+    F = ITensor(i1, i2, j)
 
     S, s = directsum(A => index_op(j), B => index_op(k))
     @test dim(s) == dim(j) + dim(k)
@@ -1819,6 +1820,8 @@ end
     @test dim(s) == dim(j) + dim(k)
     @test hassameinds(S, (i1, i2, s))
 
+    @test_throws ErrorException (F => index_op(j)) ⊕ (D => index_op(k))
+
     S, s = (D => index_op(k)) ⊕ (A => index_op(j))
     @test dim(s) == dim(j) + dim(k)
     @test hassameinds(S, (i1, i2, s))