diff --git a/tests/svtypes/typedef_struct_port.sv b/tests/svtypes/typedef_struct_port.sv
new file mode 100644
index 000000000..ecc03bee8
--- /dev/null
+++ b/tests/svtypes/typedef_struct_port.sv
@@ -0,0 +1,111 @@
+package p;
+
+typedef struct packed {
+    byte a;
+    byte b;
+} p_t;
+
+typedef logic [31:0] l_t;
+
+endpackage
+
+module foo1(
+	input p::p_t p,
+	output p::p_t o
+);
+    assign o = p;
+endmodule
+
+module foo2(p, o);
+    input p::p_t p;
+    output p::p_t o;
+    assign o = p;
+endmodule
+
+module foo3(input p::l_t p, input p::l_t o);
+    assign o = p;
+endmodule
+
+module foo4(input logic [15:0] p, input logic [15:0] o);
+    assign o = p;
+endmodule
+
+module test_parser(a,b,c,d,e,f,g,h,i);
+input [7:0] a; // no explicit net declaration - net is unsigned
+input [7:0] b;
+input signed [7:0] c;
+input signed [7:0] d; // no explicit net declaration - net is signed
+output [7:0] e; // no explicit net declaration - net is unsigned
+output [7:0] f;
+output signed [7:0] g;
+output signed [7:0] h; // no explicit net declaration - net is signed
+output unsigned [7:0] i;
+wire signed [7:0] b; // port b inherits signed attribute from net decl.
+wire [7:0] c; // net c inherits signed attribute from port
+logic signed [7:0] f;// port f inherits signed attribute from logic decl.
+logic [7:0] g; // logic g inherits signed attribute from port
+
+    assign a = 8'b10001111;
+    assign b = 8'b10001111;
+    assign c = 8'b10001111;
+    assign d = 8'b10001111;
+    assign e = 8'b10001111;
+    assign f = 8'b10001111;
+    assign g = 8'b10001111;
+    assign h = 8'b10001111;
+    assign i = 8'b10001111;
+    always_comb begin
+        assert($unsigned(143) == a);
+        assert($signed(-113) == b);
+        assert($signed(-113) == c);
+        assert($signed(-113) == d);
+        assert($unsigned(143) == e);
+        assert($unsigned(143) == f);
+        assert($signed(-113) == g);
+        assert($signed(-113) == h);
+        assert($unsigned(143) == i);
+    end
+endmodule
+
+module top;
+    p::p_t ps;
+    assign ps.a = 8'hAA;
+    assign ps.b = 8'h55;
+    foo1 foo(.p(ps));
+
+    p::p_t body;
+    assign body.a = 8'hBB;
+    assign body.b = 8'h66;
+    foo2 foo_b(.p(body));
+
+    typedef p::l_t local_alias;
+
+    local_alias l_s;
+    assign l_s = 32'hAAAAAAAA;
+    foo3 foo_l(.p(l_s));
+
+    typedef logic [15:0] sl_t;
+
+    sl_t sl_s;
+    assign sl_s = 16'hBBBB;
+    foo4 foo_sl(.p(sl_s));
+
+    typedef sl_t local_alias_st;
+
+    local_alias_st lsl_s;
+    assign lsl_s = 16'hCCCC;
+    foo4 foo_lsl(.p(lsl_s));
+
+    const logic j = 1'b1;
+
+    always_comb begin
+        assert(8'hAA == ps.a);
+        assert(8'h55 == ps.b);
+        assert(8'hBB == body.a);
+        assert(8'h66 == body.b);
+        assert(32'hAAAAAAAA == l_s);
+        assert(16'hBBBB == sl_s);
+        assert(16'hCCCC == lsl_s);
+        assert(1'b1 == j);
+    end
+endmodule
diff --git a/tests/svtypes/typedef_struct_port.ys b/tests/svtypes/typedef_struct_port.ys
new file mode 100644
index 000000000..5b75c3105
--- /dev/null
+++ b/tests/svtypes/typedef_struct_port.ys
@@ -0,0 +1,6 @@
+read_verilog -sv typedef_struct_port.sv
+hierarchy; proc; opt
+select -module top
+sat -verify -seq 1 -tempinduct -prove-asserts -show-all
+select -module test_parser
+sat -verify -seq 1 -tempinduct -prove-asserts -show-all