propane/spec/test_parse_inner_tree.d

69 lines
2.2 KiB
D

import testparser;
import std.stdio;
import testutils;
int main()
{
return 0;
}
unittest
{
/* See test_parse_inner_tree.c for details on the grammar and cases. */
/* Baseline: p_parse_R1 works on "ab". */
{
string input = "ab";
p_context_t * context = p_context_new(input);
assert(p_parse_R1(context) == P_SUCCESS);
R1 * tree = p_result_R1(context);
assert(tree !is null);
assert(tree.pToken1 !is null);
assert(tree.pToken1.token == TOKEN_a);
assert(tree.pToken2 !is null);
assert(tree.pToken2.token == TOKEN_b);
p_tree_delete_R1(tree);
}
/* Primary case: p_parse_inner_R1 with a non-EOF follow token completes
* the parse, returns a well-formed tree, and leaves the follow token
* unconsumed. */
{
string input = "abb";
p_context_t * context = p_context_new(input);
p_token_t[] follow_tokens = [TOKEN_b];
assert(p_parse_inner_R1(context, follow_tokens) == P_SUCCESS);
/* Tree is well-formed. */
R1 * tree = p_result_R1(context);
assert(tree !is null);
assert(tree.pToken1 !is null);
assert(tree.pToken1.token == TOKEN_a);
assert(tree.pToken1.position.row == 1);
assert(tree.pToken1.position.col == 1);
assert(tree.pToken2 !is null);
assert(tree.pToken2.token == TOKEN_b);
assert(tree.pToken2.position.row == 1);
assert(tree.pToken2.position.col == 2);
/* The R1 tree covers positions 1..2. The third `b` at column 3 is
* the follow token and is not part of the tree. */
assert(tree.position.row == 1);
assert(tree.position.col == 1);
assert(tree.end_position.row == 1);
assert(tree.end_position.col == 2);
/* Follow token remains in the input. */
p_position_t pos = p_position(context);
assert(pos.row == 1);
assert(pos.col == 3);
p_token_info_t token_info;
assert(p_lex(context, &token_info) == P_SUCCESS);
assert(token_info.token == TOKEN_b);
assert(token_info.position.row == 1);
assert(token_info.position.col == 3);
p_tree_delete_R1(tree);
}
}