mirror of
https://github.com/steveicarus/iverilog.git
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Stephen Williams
cea237b407
By adding ivtest to the iverilog source tree, it is easier to keep the regression test synchronized with the source that is being tested. This should be especially helpful for PRs that add a new feature, and have a matching ivtest PR with the regression test for that feature.
97 lines
3.7 KiB
Verilog
97 lines
3.7 KiB
Verilog
module test;
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parameter SIZE = 3;
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parameter PVALUE = 12;
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localparam LVALUE = 88;
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enum byte unsigned { UVAL[256] } unsignedbyte_enum;
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enum byte { SVAL[100] } signedbyte_enum;
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enum { ADD = 10, SUB[5], JMP[6:8]} E1; // page 28 LRM
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enum { REGISTER[2] = 1, REGISTER[2:4] = 10 } vr; // page 28 LRM
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enum { P[5] = 12 /*PVALUE*/, Q, S[3] = 88/*LVALUE*/} par_enum;
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initial begin
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// 1. Default anonymous enum data type should be int
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// don't know yet how to quickly check this
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//
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// 1. Checking initialisations
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//
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// a. If the first name is not assigned it should be zero
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if (UVAL0 !== 8'h0 || SVAL0 !== 8'h0)
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begin
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$display ("FAILED - First un-assigned element of enum type was not zero");
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$finish;
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end
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// b. Checking initials E1 and vr
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if (ADD != 10 || REGISTER0 != 1)
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begin
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$display ("FAILED - First initialised elements of enums E1 and vr were not elaborated properly");
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$finish;
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end
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// A name without a value is automatically assigned and increment of the value of the
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// previous name (Section 4.10 LRM)
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// c. checking initial values for SUB (0-4) in E1
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if (SUB0 != 11 || SUB1 != 12 || SUB2 != 13 || SUB3 != 14 || SUB4 != 15)
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begin
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$display ("FAILED - Initialised elements SUB (0-4) in enum E1 were not elaborated properly");
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$finish;
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end
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// c. checking initial values for JMP (6-8) in E1
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if (JMP6 != 16 || JMP7 != 17 || JMP8 != 18)
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begin
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$display ("FAILED - Initialised elements (6-8) JMP in enum E1 were not elaborated properly");
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$finish;
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end
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// c. checking initial values in vr
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if (REGISTER1 != 2 || REGISTER2 != 10 || REGISTER3 != 11 || REGISTER4 != 12)
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begin
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$display ("FAILED - Initialised elements REGISTER (1-4) in enum vr were not elaborated properly");
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$finish;
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end
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// c. checking hand-picked values in unsignedbyte_enum
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if (UVAL23 != 23 || UVAL91 != 91 || UVAL138 != 138 || UVAL207 != 207)
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begin
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$display ("FAILED - Initialised some UVAL in enum unsignedbyte_enum were not elaborated properly");
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$display ("UVAL23 = %0d, UVAL91 = %0d, UVAL138 = %0d, UVAL207 = %0d", UVAL23, UVAL91, UVAL138, UVAL207);
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$finish;
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end
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// c. checking hand-picked values in signedbyte_enum
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if (SVAL7 != 7 || SVAL19 != 19 || SVAL87 != 87)
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begin
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$display ("FAILED - Initialised some SVAL in enum signedbyte_enum were not elaborated properly");
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$display ("SVAL7 = %0d, SVAL19 = %0d, SVAL87 = %0d", SVAL7, UVAL91, SVAL19, SVAL87);
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$finish;
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end
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// c. checking final values in unsignedbyte_enum and signedbyte_enum
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if (UVAL255 != 255 || SVAL99 != 99)
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begin
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$display ("FAILED - Initialised final values UVAL and SVAL did not elaborate properly");
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$display ("UVAL255 = %0d, SVAL99 = %0d", UVAL255, SVAL99);
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$finish;
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end
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// constants elaborated from parameter
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if (P0 != PVALUE+0 || P1 != PVALUE+1 || P2 != PVALUE+2 || P3 != PVALUE+3 || P4 != PVALUE + 4 || Q != PVALUE+5)
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begin
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$display ("FAILED - Initialised values P in par_enum were not elaborated properly");
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$finish;
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end
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// constants elaborated from localparam
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if (S0 != LVALUE+0 || S1 != LVALUE+1 || S2 != LVALUE+2)
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begin
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$display ("FAILED - Initialised values S in par_enum were not elaborated properly");
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$finish;
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end
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#1;
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// checking num method
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if (unsignedbyte_enum.num != 256 || signedbyte_enum.num != 100 ||
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E1.num != 9 || vr.num != 5 || par_enum.num != 9)
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begin
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$display ("FAILED - The num method does not report as expected");
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$finish;
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end
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$display ("PASSED");
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end
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endmodule
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