Implement star construction

tests/construct_tests.c

@@ -132,6 +132,30 @@ static void test_union(void)
 	fsa_free(&fsa);
 }
 
+static void test_star(void)
+{
+	regex_term_t *terms = malloc(1 * sizeof(regex_term_t));
+	terms[0].quantifier = REGEX_QUANTIFIER_STAR;
+	terms[0].type = REGEX_TERM_LITERAL;
+	terms[0].literal = 'a';
+	regex_sequence_t *alternatives = malloc(1 * sizeof(regex_sequence_t));
+	alternatives[0].count = alternatives[0].capacity = 1;
+	alternatives[0].contents = terms;
+	regex_t regex = { .count = 1, .capacity = 1, .contents = alternatives };
+
+	fsa_t fsa;
+	construct(&regex, &fsa);
+
+	const fsa_state_t *initial = &fsa.states[fsa.initial];
+	ASSERT_TRUE(initial->final);
+	ASSERT_EQ(1, initial->count);
+	ASSERT_EQ('a', initial->rules[0].input);
+	ASSERT_EQ(fsa.initial, initial->rules[0].next);
+
+	regex_free(&regex);
+	fsa_free(&fsa);
+}
+
 int main(void)
 {
 	TESTING_BEGIN();
@@ -139,5 +163,6 @@ int main(void)
 	test_literal_expression();
 	test_sequence();
 	test_union();
+	test_star();
 	return TESTING_END();
 }