X-Git-Url: http://git.scottworley.com/tl-append/blobdiff_plain/d753115a12c9368e24546c04f992740799da0257..bab98a3a230bcc2161254e5796ec97e1391b4907:/tl-append-test.c

diff --git a/tl-append-test.c b/tl-append-test.c
index ea42dc9..7e8455d 100644
--- a/tl-append-test.c
+++ b/tl-append-test.c
@@ -1,10 +1,15 @@
 #define _POSIX_C_SOURCE 2
+#define _XOPEN_SOURCE
+#include <assert.h>
+#include <ctype.h>
 #include <errno.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <time.h>
 
+#include "common.h"
+
 typedef struct expectation {
   time_t a, b;
   const char *message;
@@ -22,19 +27,8 @@ static ex_t expectation(time_t a, time_t b, const char *message) {
   return exp;
 }
 
-static void die(const char *message) {
-  fputs(message, stderr);
-  fputc('\n', stderr);
-  exit(1);
-}
-
-static void die_err(const char *message) {
-  perror(message);
-  exit(1);
-}
-
 static void remove_logfile() {
-  if (remove("tl.log") != 0) {
+  if (remove(FILENAME) != 0) {
     if (errno != ENOENT) {
       die_err("Error removing log file");
     }
@@ -59,7 +53,7 @@ static ex_t write_to_tl_append(const char *content) {
 
 static void verify_log_contents(ex_t exps[]) {
 
-  FILE *f = fopen("tl.log", "r");
+  FILE *f = fopen(FILENAME, "r");
   if (f == NULL)
     die_err("Error opening log file");
   for (size_t i = 0; !is_end(exps[i]); i++) {
@@ -77,6 +71,45 @@ static void verify_log_contents(ex_t exps[]) {
     die_err("Error closing log file");
 }
 
+static void test_encode_time() {
+  /* localtime_r to set tm's timezone */
+  time_t now_time = time(NULL);
+  struct tm tm;
+  if (localtime_r(&now_time, &tm) == NULL)
+    die_err("Can't unpack current time?");
+
+  const char *strptime_result = strptime("2011-12-13 14:15:16", "%F %T", &tm);
+  if (strptime_result == NULL || *strptime_result != '\0')
+    die("Couldn't parse time?");
+  time_t tt = mktime(&tm);
+  if (tt == (time_t)-1)
+    die_err("Can't pack time?");
+
+  const char *encoded = encode_time(tt);
+  /* Loose check to allow for daylight savings time changes between the current
+   * time and the target time.  :( */
+  assert(encoded[0] == '2');
+  assert(encoded[1] == '0');
+  assert(encoded[2] == '1');
+  assert(encoded[3] == '1');
+  assert(encoded[4] == ' ');
+  assert(encoded[5] == '1');
+  assert(encoded[6] == '2');
+  assert(encoded[7] == ' ');
+  assert(encoded[8] == '1');
+  assert(encoded[9] == '3');
+  assert(encoded[10] == ' ');
+  assert(encoded[11] == '1');
+  assert(isdigit(encoded[12]));
+  assert(encoded[13] == ' ');
+  assert(isdigit(encoded[14]));
+  assert(isdigit(encoded[15]));
+  assert(encoded[16] == ' ');
+  assert(encoded[17] == '1');
+  assert(encoded[18] == '6');
+  assert(encoded[19] == '\0');
+}
+
 static void write_and_read_line() {
   remove_logfile();
   ex_t e = write_to_tl_append("foo\n");
@@ -91,6 +124,7 @@ static void write_and_read_two_lines() {
 }
 
 int main() {
+  test_encode_time();
   write_and_read_line();
   write_and_read_two_lines();
 }