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Diffstat (limited to 'tests/simple/case_expr_non_const.v')
| -rw-r--r-- | tests/simple/case_expr_non_const.v | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/tests/simple/case_expr_non_const.v b/tests/simple/case_expr_non_const.v new file mode 100644 index 000000000..6dfc2e54e --- /dev/null +++ b/tests/simple/case_expr_non_const.v @@ -0,0 +1,59 @@ +// 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_non_const_top( + // expected to output all 1s + output reg a, b, c, d, e, f, g, h +); + reg x_1b0 = 1'b0; + reg x_1b1 = 1'b1; + reg signed x_1sb0 = 1'sb0; + reg signed x_1sb1 = 1'sb1; + reg [1:0] x_2b0 = 2'b0; + reg [1:0] x_2b11 = 2'b11; + reg signed [1:0] x_2sb01 = 2'sb01; + reg signed [1:0] x_2sb11 = 2'sb11; + reg [2:0] x_3b0 = 3'b0; + + initial begin + case (x_2b0) + x_1b0: a = 1; + default: a = 0; + endcase + case (x_2sb11) + x_2sb01: b = 0; + x_1sb1: b = 1; + endcase + case (x_2sb11) + x_1sb0: c = 0; + x_1sb1: c = 1; + endcase + case (x_2sb11) + x_1b0: d = 0; + x_1sb1: d = 0; + default: d = 1; + endcase + case (x_2b11) + x_1sb0: e = 0; + x_1sb1: e = 0; + default: e = 1; + endcase + case (x_1sb1) + x_1sb0: f = 0; + x_2sb11: f = 1; + default: f = 0; + endcase + case (x_1sb1) + x_1sb0: g = 0; + x_3b0: g = 0; + x_2sb11: g = 0; + default: g = 1; + endcase + case (x_1sb1) + x_1sb0: h = 0; + x_1b1: h = 1; + x_3b0: h = 0; + x_2sb11: h = 0; + default: h = 0; + endcase + end +endmodule |