X-Git-Url: https://git.distorted.org.uk/~mdw/disorder/blobdiff_plain/b90f122bd10bd896f2f9b0cf5676bcd436a7d42e..b9bbb6c8bd8630fe4321045ce57174c4890bfa46:/lib/t-printf.c?ds=sidebyside

diff --git a/lib/t-printf.c b/lib/t-printf.c
index 057b503..85d1d01 100644
--- a/lib/t-printf.c
+++ b/lib/t-printf.c
@@ -19,7 +19,12 @@
  */
 #include "test.h"
 
-void test_printf(void) {
+/* launder a string constant to stop gcc warnings */
+static const char *L(const char *s) {
+  return s;
+}
+
+static void test_printf(void) {
   char c;
   short s;
   int i;
@@ -30,10 +35,12 @@ void test_printf(void) {
   ptrdiff_t p;
   char *cp;
   char buffer[16];
+  FILE *fp;
   
-  fprintf(stderr, "test_printf\n");
   check_string(do_printf("%d", 999), "999");
   check_string(do_printf("%d", -999), "-999");
+  check_string(do_printf("%+d", 999), "+999");
+  check_string(do_printf("%+d", -999), "-999");
   check_string(do_printf("%i", 999), "999");
   check_string(do_printf("%i", -999), "-999");
   check_string(do_printf("%u", 999), "999");
@@ -122,8 +129,55 @@ void test_printf(void) {
     i = byte_asprintf(&cp, f);
     insist(i == -1);
   }
+
+  fp = tmpfile();
+  insist(byte_fprintf(fp, "%10s\n", "wibble") == 11);
+  rewind(fp);
+  insist(fgets(buffer, sizeof buffer, fp) == buffer);
+  check_string(buffer, "    wibble\n");
+  fclose(fp);
+  check_integer(byte_snprintf(buffer, sizeof buffer,
+                              "%18446744073709551616d", 10), -1);
+  check_integer(byte_snprintf(buffer, sizeof buffer,
+                              "%.18446744073709551616d", 10), -1);
+  check_integer(byte_snprintf(buffer, sizeof buffer, L("%hs"), ""), -1);
+  check_integer(byte_snprintf(buffer, sizeof buffer, L("%qs"), ""), -1);
+  check_integer(byte_snprintf(buffer, sizeof buffer, L("%js"), ""), -1);
+  check_integer(byte_snprintf(buffer, sizeof buffer, L("%zs"), ""), -1);
+  check_integer(byte_snprintf(buffer, sizeof buffer, L("%ts"), ""), -1);
+  check_integer(byte_snprintf(buffer, sizeof buffer, L("%Ls"), ""), -1);
+  check_integer(byte_snprintf(buffer, sizeof buffer, L("%hp"), (void *)0), -1);
+  check_integer(byte_snprintf(buffer, sizeof buffer, L("%lp"), (void *)0), -1);
+  check_integer(byte_snprintf(buffer, sizeof buffer, L("%qp"), (void *)0), -1);
+  check_integer(byte_snprintf(buffer, sizeof buffer, L("%jp"), (void *)0), -1);
+  check_integer(byte_snprintf(buffer, sizeof buffer, L("%zp"), (void *)0), -1);
+  check_integer(byte_snprintf(buffer, sizeof buffer, L("%tp"), (void *)0), -1);
+  check_integer(byte_snprintf(buffer, sizeof buffer, L("%Lp"), (void *)0), -1);
+  check_integer(byte_snprintf(buffer, sizeof buffer, L("%h%")), -1);
+  check_integer(byte_snprintf(buffer, sizeof buffer, L("%l%")), -1);
+  check_integer(byte_snprintf(buffer, sizeof buffer, L("%q%")), -1);
+  check_integer(byte_snprintf(buffer, sizeof buffer, L("%j%")), -1);
+  check_integer(byte_snprintf(buffer, sizeof buffer, L("%z%")), -1);
+  check_integer(byte_snprintf(buffer, sizeof buffer, L("%t%")), -1);
+  check_integer(byte_snprintf(buffer, sizeof buffer, L("%L%")), -1);
+  check_integer(byte_snprintf(buffer, sizeof buffer, "%2147483647s%2147483647s", "", ""), -1);
+  check_integer(byte_sinkprintf(sink_error(), ""), 0);
+  check_integer(byte_sinkprintf(sink_error(), "%5s", ""), -1);
+  check_integer(byte_sinkprintf(sink_error(), "%d", 0), -1);
+  check_integer(byte_sinkprintf(sink_error(), "%d", 1), -1);
+  check_integer(byte_sinkprintf(sink_error(), "%2d", 0), -1);
+  check_integer(byte_sinkprintf(sink_error(), "%d", -1), -1);
+  check_integer(byte_sinkprintf(sink_error(), "%#x", 10), -1);
+  check_integer(byte_sinkprintf(sink_error(), "%-d", 0), -1);
+  check_integer(byte_sinkprintf(sink_error(), "%-d", 1), -1);
+  check_integer(byte_sinkprintf(sink_error(), "%-2d", 0), -1);
+  check_integer(byte_sinkprintf(sink_error(), "%-d", -1), -1);
+  check_integer(byte_sinkprintf(sink_error(), "%-#x", 10), -1);
+
 }
 
+TEST(printf);
+
 /*
 Local Variables:
 c-basic-offset:2