1 files changed, 25 insertions, 0 deletions
diff --git a/tests/verilog/delay_time_scale.ys b/tests/verilog/delay_time_scale.ys
new file mode 100644
index 000000000..f45ba7b26
--- /dev/null
+++ b/tests/verilog/delay_time_scale.ys
@@ -0,0 +1,25 @@
+logger -expect-no-warnings
+read_verilog -sv <<EOT
+module top;
+wand x;
+`define TEST(time_scale) if (1) assign #time_scale x = 1;
+
+`TEST(1s)
+`TEST(1ms)
+`TEST(1us)
+`TEST(1ns)
+`TEST(1ps)
+`TEST(1fs)
+
+`TEST((1s))
+`TEST(( 1s))
+`TEST((1s ))
+`TEST(( 1s ))
+
+`TEST(1.0s)
+`TEST(1.1s)
+`TEST(1.0e-1s)
+`TEST(1e-1s)
+
+endmodule
+EOT