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+/* Copyright (C) 2025 Aryadev Chavali
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the Unlicense
+ * for details.
+
+ * You may distribute and modify this code under the terms of the
+ * Unlicense, which you should have received a copy of along with this
+ * program. If not, please go to <https://unlicense.org/>.
+
+ * Created: 2025-08-21
+ * Description: Tests
+ */
+
+#include <stdio.h>
+#include <string.h>
+
+#include "./alisp.h"
+
+// Sample data
+char *words[] = {
+ "aliquam", "erat", "volutpat", "nunc", "eleifend",
+ "leo", "vitae", "magna", "in", "id",
+ "erat", "non", "orci", "commodo", "lobortis",
+ "proin", "neque", "massa", "cursus", "ut",
+ "gravida", "ut", "lobortis", "eget", "lacus",
+ "sed", "diam", "praesent", "fermentum", "tempor",
+ "tellus", "nullam", "tempus", "mauris", "ac",
+ "felis", "vel", "velit", "tristique", "imperdiet",
+ "donec", "at", "pede", "etiam", "vel",
+ "neque", "nec", "dui", "dignissim", "bibendum",
+ "vivamus", "id", "enim", "phasellus", "neque",
+ "orci", "porta", "a", "aliquet", "quis",
+ "semper", "a", "massa", "phasellus", "purus",
+ "pellentesque", "tristique", "imperdiet", "tortor", "nam",
+ "euismod", "tellus", "id", "erat",
+};
+
+char text[] =
+ "Pellentesque dapibus suscipit ligula. Donec posuere augue in quam. "
+ "Etiam vel tortor sodales tellus ultricies commodo. Suspendisse potenti. "
+ "Aenean in sem ac leo mollis blandit. Donec neque quam, dignissim in, "
+ "mollis nec, sagittis eu, wisi. Phasellus lacus. Etiam laoreet quam sed "
+ "arcu. Phasellus at dui in ligula mollis ultricies. Integer placerat "
+ "tristique nisl. Praesent augue. Fusce commodo. Vestibulum convallis, "
+ "lorem a tempus semper, dui dui euismod elit, vitae placerat urna tortor "
+ "vitae lacus. Nullam libero mauris, consequat quis, varius et, dictum id, "
+ "arcu. Mauris mollis tincidunt felis. Aliquam feugiat tellus ut neque. "
+ "Nulla facilisis, risus a rhoncus fermentum, tellus tellus lacinia purus, "
+ "et dictum nunc justo sit amet elit.";
+
+void symtable_test(void)
+{
+ sym_table_t table = {0};
+ sym_table_init(&table);
+ for (u64 i = 0; i < ARRSIZE(words); ++i)
+ {
+ char *ptr = sym_table_find(&table, SV(words[i], strlen(words[i])));
+ printf("[symtable_test]: %s => %p\n", words[i], ptr);
+ }
+
+ printf(
+ "[symtable_test]: |words|=%lu, |table|= %lu => Unique word ratio: %lf\n",
+ ARRSIZE(words), table.count, table.count / (double)ARRSIZE(words));
+
+ sym_table_cleanup(&table);
+}
+
+void make_int_test(void)
+{
+ i64 ints[] = {
+ 1, -1, (1 << 10) - 1, (-1) * ((1 << 10) - 1),
+ INT_MIN, INT_MAX, INT64_MAX, INT64_MIN,
+ };
+
+ for (u64 i = 0; i < ARRSIZE(ints); ++i)
+ {
+ i64 in = ints[i];
+ lisp_t *lisp = make_int(in);
+ i64 out = as_int(lisp);
+
+ printf("[make_int_test]: %#16lx => %#16lx => %#16lx\n", in, (u64)lisp, out);
+ }
+}
+
+void intern_test(void)
+{
+ sys_t system = {0};
+ sys_init(&system);
+ for (u64 i = 0; i < ARRSIZE(words); ++i)
+ {
+ char *in = words[i];
+ lisp_t *lisp = intern(&system, SV(in, strlen(in)));
+ char *out = as_sym(lisp);
+ printf("[intern test]: `%s` -> %p -> `%s`\n", in, lisp, out);
+ }
+ sys_cleanup(&system);
+}
+
+void make_vec_test(void)
+{
+ sys_t system = {0};
+ sys_init(&system);
+
+ // Generating a vector word by word
+ lisp_t *vec = make_vec(&system, 0);
+ for (u64 i = 0; i < ARRSIZE(words); ++i)
+ {
+ char *word = words[i];
+ vec_append(as_vec(vec), word, strlen(word));
+ vec_append(as_vec(vec), " ", 1);
+ }
+ printf("[make_vec_test]: %lu/%lu, inlined?: %s, text=%.*s\n",
+ as_vec(vec)->size, as_vec(vec)->capacity,
+ as_vec(vec)->is_inlined ? "yes" : "no", (int)as_vec(vec)->size,
+ (char *)vec_data(as_vec(vec)));
+
+ // Generating substrings
+ struct Test
+ {
+ u64 start, size;
+ } tests[] = {
+ {0, 16},
+ {0, 32},
+ {32, 64},
+ {0, ARRSIZE(text)},
+ };
+ for (u64 i = 0; i < ARRSIZE(tests); ++i)
+ {
+ struct Test test = tests[i];
+ // Always initialise below what we expect
+ lisp_t *lvec = make_vec(&system, test.size / 2);
+ vec_t *vec = as_vec(lvec);
+ printf("[make_vec_test]: %p -> %p[%lu/%lu] -> ", lvec, vec, vec->size,
+ vec->capacity);
+ vec_append(vec, text + test.start, test.size);
+ printf("[%lu/%lu] -> ", vec->size, vec->capacity);
+ printf("`%.*s`\n", (int)vec->size, (char *)vec_data(vec));
+ }
+
+ sys_cleanup(&system);
+}
+
+void cons_test(void)
+{
+ sys_t system = {0};
+ sys_init(&system);
+
+ // Iterate through each "word" in words, make a large contiguous list which is
+ // its reverse
+ lisp_t *lisp = NIL;
+ for (u64 i = 0; i < ARRSIZE(words); ++i)
+ {
+ char *word = words[i];
+ lisp_t *lword = intern(&system, SV(word, strlen(word)));
+ lisp = cons(&system, lword, lisp);
+ }
+
+ // Then iterate through it
+ printf("[cons_test]: ");
+ for (lisp_t *iter = lisp; iter; iter = cdr(iter))
+ {
+ lisp_t *item = car(iter);
+ printf("%s ", as_sym(item));
+ }
+ printf("\n");
+
+ sys_cleanup(&system);
+}
+
+int main(void)
+{
+ symtable_test();
+ printf("\n");
+ make_int_test();
+ printf("\n");
+ intern_test();
+ printf("\n");
+ make_vec_test();
+ printf("\n");
+ cons_test();
+ return 0;
+}