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-rw-r--r--tests/sva/sva_value_change_changed_wide.sv22
1 files changed, 22 insertions, 0 deletions
diff --git a/tests/sva/sva_value_change_changed_wide.sv b/tests/sva/sva_value_change_changed_wide.sv
new file mode 100644
index 000000000..c9147c4f3
--- /dev/null
+++ b/tests/sva/sva_value_change_changed_wide.sv
@@ -0,0 +1,22 @@
+module top (
+ input clk,
+ input [2:0] a,
+ input [2:0] b
+);
+ default clocking @(posedge clk); endclocking
+
+ assert property (
+ $changed(a)
+ );
+
+ assert property (
+ $changed(b) == ($changed(b[0]) || $changed(b[1]) || $changed(b[2]))
+ );
+
+`ifndef FAIL
+ assume property (
+ a !== 'x ##1 $changed(a)
+ );
+`endif
+
+endmodule