43 lines
1.1 KiB
C
43 lines
1.1 KiB
C
#include <glib.h>
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#include "hammer.h"
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#include "internal.h"
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#include "cfgrammar.h"
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#include "test_suite.h"
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static void test_end(void) {
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const HParser *p = h_end_p();
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HCFGrammar *g = h_cfgrammar(&system_allocator, p);
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g_check_hashtable_size(g->nts, 1);
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g_check_hashtable_size(g->geneps, 0);
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g_check_derives_epsilon_not(g, p);
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}
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static void test_example_1(void) {
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HParser *c = h_many(h_ch('x'));
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HParser *q = h_sequence(c, h_ch('y'), NULL);
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HParser *p = h_choice(q, h_end_p(), NULL);
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HCFGrammar *g = h_cfgrammar(&system_allocator, p);
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g_check_nonterminal(g, c);
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g_check_nonterminal(g, q);
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g_check_nonterminal(g, p);
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g_check_derives_epsilon(g, c);
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g_check_derives_epsilon_not(g, q);
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g_check_derives_epsilon_not(g, p);
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g_check_firstset_present(1, g, p, "$");
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g_check_firstset_present(1, g, p, "x");
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g_check_firstset_present(1, g, p, "y");
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g_check_followset_absent(1, g, c, "$");
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g_check_followset_absent(1, g, c, "x");
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g_check_followset_present(1, g, c, "y");
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}
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void register_grammar_tests(void) {
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g_test_add_func("/core/grammar/end", test_end);
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g_test_add_func("/core/grammar/example_1", test_example_1);
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}
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