4 files changed, 55 insertions, 0 deletions
diff --git a/tests/various/abc9.ys b/tests/various/abc9.ys
index 0c7695089..6e2415ad7 100644
--- a/tests/various/abc9.ys
+++ b/tests/various/abc9.ys
@@ -53,3 +53,22 @@ assign q = w;
 endmodule
 EOT
 abc9 -lut 4 -dff
+
+
+design -reset
+read_verilog -icells -specify <<EOT
+(* abc9_lut=1, blackbox *)
+module LUT2(input [1:0] i, output o);
+parameter [3:0] mask = 0;
+assign o = i[0] ? (i[1] ? mask[3] : mask[2])
+                : (i[1] ? mask[1] : mask[0]);
+specify
+  (i *> o) = 1;
+endspecify
+endmodule
+
+module top(input [1:0] i, output o);
+LUT2 #(.mask(4'b0)) lut (.i(i), .o(o));
+endmodule
+EOT
+abc9
diff --git a/tests/various/design.ys b/tests/various/design.ys
new file mode 100644
index 000000000..f13ad8171
--- /dev/null
+++ b/tests/various/design.ys
@@ -0,0 +1,9 @@
+read_verilog <<EOT
+module top(input i, output o);
+assign o = i;
+endmodule
+EOT
+design -stash foo
+design -delete foo
+logger -expect error "No saved design 'foo' found!" 1
+design -delete foo
diff --git a/tests/various/design2.ys b/tests/various/design2.ys
new file mode 100644
index 000000000..399999020
--- /dev/null
+++ b/tests/various/design2.ys
@@ -0,0 +1,9 @@
+read_verilog <<EOT
+module top(input i, output o);
+assign o = i;
+endmodule
+EOT
+design -stash foo
+design -delete foo
+logger -expect error "No saved design 'foo' found!" 1
+design -load foo
diff --git a/tests/various/global_scope.ys b/tests/various/global_scope.ys
new file mode 100644
index 000000000..8c8618e10
--- /dev/null
+++ b/tests/various/global_scope.ys
@@ -0,0 +1,18 @@
+read_verilog -sv <<EOT
+parameter A = 10;
+parameter B = A;
+
+typedef enum {
+	CONST_A = A,
+	CONST_B = A+1
+} enum_t;
+
+module top(output [3:0] q, output [3:0] r);
+assign q = 10;
+assign r = CONST_B;
+endmodule
+EOT
+
+hierarchy -top top
+sat -verify -prove q 10 top
+sat -verify -prove r 11 top