Add regression test for string substr() arity error

Check that a string substr() call with too few arguments is rejected with a
normal compile error.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
This commit is contained in:
Lars-Peter Clausen 2026-06-21 14:23:50 -07:00
parent 55d78cf1a8
commit d246979d26
3 changed files with 16 additions and 0 deletions

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@ -0,0 +1,10 @@
// Check that string substr() rejects too few arguments.
module test;
string s;
string t;
initial begin
t = s.substr(0);
end
endmodule

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@ -374,6 +374,7 @@ sv_queue_method_push_back_too_few_arg_fail vvp_tests/sv_queue_method_push_back_t
sv_queue_method_push_back_too_many_arg_fail vvp_tests/sv_queue_method_push_back_too_many_arg_fail.json
sv_queue_method_push_front_too_few_arg_fail vvp_tests/sv_queue_method_push_front_too_few_arg_fail.json
sv_queue_method_push_front_too_many_arg_fail vvp_tests/sv_queue_method_push_front_too_many_arg_fail.json
sv_string_method_substr_too_few_arg_fail vvp_tests/sv_string_method_substr_too_few_arg_fail.json
sv_soft_packed_union vvp_tests/sv_soft_packed_union.json
sv_soft_packed_union_fail1 vvp_tests/sv_soft_packed_union_fail1.json
sv_super_member_fail vvp_tests/sv_super_member_fail.json

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@ -0,0 +1,5 @@
{
"type" : "CE",
"source" : "sv_string_method_substr_too_few_arg_fail.v",
"iverilog-args" : [ "-g2005-sv" ]
}