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add scaffold for grammar tests and codify the dummy test case

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Sven M. Hallberg 2013-05-08 00:48:46 +02:00
parent 188d369a9b
commit 5593b826e3
4 changed files with 96 additions and 0 deletions
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43
src/t_grammar.c Normal file
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#include <glib.h>
#include "hammer.h"
#include "internal.h"
#include "cfgrammar.h"
#include "test_suite.h"
static void test_end(void) {
const HParser *p = h_end_p();
HCFGrammar *g = h_cfgrammar(&system_allocator, p);
g_check_hashtable_size(g->nts, 1);
g_check_hashtable_size(g->geneps, 0);
g_check_derives_epsilon_not(g, p);
}
static void test_example_1(void) {
const HParser *c = h_many(h_ch('x'));
const HParser *q = h_sequence(c, h_ch('y'), NULL);
const HParser *p = h_choice(q, h_end_p(), NULL);
HCFGrammar *g = h_cfgrammar(&system_allocator, p);
g_check_nonterminal(g, c);
g_check_nonterminal(g, q);
g_check_nonterminal(g, p);
g_check_derives_epsilon(g, c);
g_check_derives_epsilon_not(g, q);
g_check_derives_epsilon_not(g, p);
g_check_firstset_present(g, p, end_token);
g_check_firstset_present(g, p, char_token('x'));
g_check_firstset_present(g, p, char_token('y'));
g_check_followset_absent(g, c, end_token);
g_check_followset_absent(g, c, char_token('x'));
g_check_followset_present(g, c, char_token('y'));
}
void register_grammar_tests(void) {
g_test_add_func("/core/grammar/end", test_end);
g_test_add_func("/core/grammar/example_1", test_example_1);
}