Add test

Author: jishnub

test/matmul.jl

@@ -1154,7 +1154,8 @@ end
     @test_throws "incompatible dimensions for matrix multiplication" zeros(0) * zeros(2,5)
     @test_throws "incompatible dimensions for matrix multiplication" mul!(zeros(0,0), zeros(5), zeros(5))
     @test_throws "incompatible dimensions for matrix multiplication" mul!(zeros(0,0), zeros(1,5), zeros(0,0))
-    @test_throws "incompatible destination size" mul!(zeros(0,0), zeros(1,5), zeros(5,2))
+    @test_throws "incompatible destination size" mul!(zeros(0,2), zeros(1,5), zeros(5,2))
+    @test_throws "incompatible destination size" mul!(zeros(1,0), zeros(1,5), zeros(5,2))
     @test_throws "incompatible destination size" mul!(zeros(0,0), zeros(1,5), zeros(5))
     @test_throws "incompatible destination size" mul!(zeros(0), zeros(1,5), zeros(5))
 end