From dbfd8460a9f1d24d1c8893dfae7dd272d17a7b6f Mon Sep 17 00:00:00 2001
From: Clifford Wolf <clifford@clifford.at>
Date: Fri, 29 Sep 2017 11:56:43 +0200
Subject: Allow $size and $bits in verilog mode, actually check test case

---
 tests/sat/sizebits.sv | 32 ++++++++++++++++++++++++++++++++
 tests/sat/sizebits.ys |  2 ++
 2 files changed, 34 insertions(+)
 create mode 100644 tests/sat/sizebits.sv
 create mode 100644 tests/sat/sizebits.ys

(limited to 'tests/sat')

diff --git a/tests/sat/sizebits.sv b/tests/sat/sizebits.sv
new file mode 100644
index 000000000..d7ce2326e
--- /dev/null
+++ b/tests/sat/sizebits.sv
@@ -0,0 +1,32 @@
+module functions01;
+
+wire [5:2]x;
+wire [3:0]y[2:7];
+wire [3:0]z[7:2][2:9];
+
+//wire [$size(x)-1:0]x_size;
+//wire [$size({x, x})-1:0]xx_size;
+//wire [$size(y)-1:0]y_size;
+//wire [$size(z)-1:0]z_size;
+
+assert property ($size(x) == 4);
+assert property ($size({3{x}}) == 3*4);
+assert property ($size(y) == 6);
+assert property ($size(y, 1) == 6);
+assert property ($size(y, (1+1)) == 4);
+
+assert property ($size(z) == 6);
+assert property ($size(z, 1) == 6);
+assert property ($size(z, 2) == 8);
+assert property ($size(z, 3) == 4);
+// This should trigger an error if enabled (it does).
+//assert property ($size(z, 4) == 4);
+
+//wire [$bits(x)-1:0]x_bits;
+//wire [$bits({x, x})-1:0]xx_bits;
+
+assert property ($bits(x) == 4);
+assert property ($bits(y) == 4*6);
+assert property ($bits(z) == 4*6*8);
+
+endmodule
diff --git a/tests/sat/sizebits.ys b/tests/sat/sizebits.ys
new file mode 100644
index 000000000..689227a41
--- /dev/null
+++ b/tests/sat/sizebits.ys
@@ -0,0 +1,2 @@
+read_verilog -sv sizebits.sv
+prep; sat -verify -prove-asserts
-- 
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