Decouple main program and add initial tests

1 files changed, 90 insertions, 0 deletions

diff --git a/test/test_reloc_match.c b/test/test_reloc_match.c
new file mode 100644
index 0000000..bb9d6b0
--- /dev/null
+++ b/test/test_reloc_match.c
@@ -0,0 +1,90 @@
+#include "reloc.h"
+#include "myassert.h"
+
+char *test_cases[] = {
+    "I have a yellow pencil\x00",
+    "/one/two/three/four/five\x00\xAB\xCD\x00",
+    "\x09\x09\x09 1234567890\x00",
+    "123456789/0\x00",
+    NULL,
+};
+
+const char *test_patterns[] = {
+    "yellow",
+    "three",
+    "1234567890",
+    "/",
+    NULL,
+};
+
+const char *test_solution_begin[] = {
+    "yellow pencil",
+    "three/four/five",
+    "1234567890",
+    "/0",
+    NULL,
+};
+
+const char *test_solution_post[] = {
+    " pencil",
+    "/four/five",
+    "",
+    "0",
+    NULL,
+};
+
+const size_t test_solution_length[] = {
+    6,
+    5,
+    10,
+    1,
+};
+
+const size_t test_solution_post_length[] = {
+    7,
+    10,
+    0,
+    1,
+};
+
+const size_t test_solution_total_length[] = {
+    13,
+    15,
+    10,
+    2,
+};
+
+int test_reloc_match() {
+    for (int i = 0; test_cases[i] != NULL; i++) {
+        RelocMatch *match = NULL;
+        char *ptr = test_cases[i];
+
+        printf("case %d:\n", i);
+        while (*ptr != '\0') {
+            if (match) break;
+            printf("\tpattern=\"%s\", data=\"%s\"\n", test_patterns[i], ptr);
+            match = reloc_match(ptr, test_patterns[i]);
+            ptr++;
+        }
+        myassert("Failed to find pattern", match != NULL);
+        myassert("Invalid match->begin", !strcmp(match->begin, test_solution_begin[i]));
+        printf("\tend=\"%s\", data=\"%s\"\n", match->end, match->begin);
+        myassert("Invalid match->end", match->end != NULL);
+        printf("\tpost=\"%s\", data=\"%s\"\n", match->post, match->begin);
+        myassert("Invalid match->post", !strcmp(match->post, test_solution_post[i]));
+        printf("\tlength=%lu\n", match->length);
+        myassert("Invalid match->length", match->length == test_solution_length[i]);
+        printf("\tpost_length=%lu\n", match->post_length);
+        myassert("Invalid match->post_length", match->post_length == test_solution_post_length[i]);
+        printf("\ttotal_length=%lu\n", match->total_length);
+        myassert("Invalid match->total_length", match->total_length == test_solution_total_length[i]);
+        if (match) {
+            free(match);
+        }
+    }
+    return 0;
+}
+
+int main() {
+    return test_reloc_match();
+}