1 files changed, 47 insertions, 0 deletions
diff --git a/tests/ice40/common.v b/tests/ice40/common.v
new file mode 100644
index 000000000..5446f0817
--- /dev/null
+++ b/tests/ice40/common.v
@@ -0,0 +1,47 @@
+module assert_dff(input clk, input test, input pat);
+    always @(posedge clk)
+    begin
+        #1;
+        if (test != pat)
+        begin
+            $display("ERROR: ASSERTION FAILED in %m:",$time);
+            $stop;
+        end
+    end
+endmodule
+
+module assert_tri(input en, input A, input B);
+    always @(posedge en)
+    begin
+        #1;
+        if (A !== B)
+        begin
+            $display("ERROR: ASSERTION FAILED in %m:",$time," ",A," ",B);
+            $stop;
+        end
+    end
+endmodule
+
+module assert_Z(input clk, input A);
+    always @(posedge clk)
+    begin
+        #1;
+        if (A === 1'bZ)
+        begin
+            $display("ERROR: ASSERTION FAILED in %m:",$time," ",A);
+            $stop;
+        end
+    end
+endmodule
+
+module assert_comb(input A, input B);
+    always @(*)
+    begin
+        #1;
+        if (A !== B)
+        begin
+            $display("ERROR: ASSERTION FAILED in %m:",$time," ",A," ",B);
+            $stop;
+        end
+    end
+endmodule