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Diffstat (limited to 'tests/simple/case_expr_const.v')
| -rw-r--r-- | tests/simple/case_expr_const.v | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/tests/simple/case_expr_const.v b/tests/simple/case_expr_const.v new file mode 100644 index 000000000..d9169c084 --- /dev/null +++ b/tests/simple/case_expr_const.v @@ -0,0 +1,49 @@ +// Note: case_expr_{,non_}const.v should be modified in tandem to ensure both +// the constant and non-constant case evaluation logic is covered +module case_expr_const_top( + // expected to output all 1s + output reg a, b, c, d, e, f, g, h +); + initial begin + case (2'b0) + 1'b0: a = 1; + default: a = 0; + endcase + case (2'sb11) + 2'sb01: b = 0; + 1'sb1: b = 1; + endcase + case (2'sb11) + 1'sb0: c = 0; + 1'sb1: c = 1; + endcase + case (2'sb11) + 1'b0: d = 0; + 1'sb1: d = 0; + default: d = 1; + endcase + case (2'b11) + 1'sb0: e = 0; + 1'sb1: e = 0; + default: e = 1; + endcase + case (1'sb1) + 1'sb0: f = 0; + 2'sb11: f = 1; + default: f = 0; + endcase + case (1'sb1) + 1'sb0: g = 0; + 3'b0: g = 0; + 2'sb11: g = 0; + default: g = 1; + endcase + case (1'sb1) + 1'sb0: h = 0; + 1'b1: h = 1; + 3'b0: h = 0; + 2'sb11: h = 0; + default: h = 0; + endcase + end +endmodule |