propane/spec/test_parser_user_code_tree.d

40 lines
1.1 KiB
D

import testparser;
import std.stdio;
import testutils;
int main()
{
return 0;
}
unittest
{
string input = "ab";
p_context_t * context = p_context_new(input);
assert_eq(P_SUCCESS, p_parse(context));
/* The parser user code recorded values accessed via $$, $1, and $2 while
* the tree node for the Start rule was being formed. */
assert_eq(3, context.start_n_fields);
assert_eq(11, context.start_a_value);
assert_eq(11, context.a_value);
assert_eq(22, context.b_value);
assert_eq(TOKEN_b, context.b_token);
/* The empty-matched rule C has a null $$ tree node, and its field in the
* Start node is null as well. */
assert_eq(1, context.c_is_null);
assert_eq(1, context.c_field_is_null);
/* Field aliases reference the same component tree nodes as the positional
* references. */
assert_eq(11, context.alias_a_value);
assert_eq(22, context.alias_b_value);
Start * start = p_result(context);
assert(start.pA !is null);
assert(start.pB !is null);
assert(start.pC is null);
p_tree_delete(start);
}