grab some time tests from glibc

1 files changed, 59 insertions, 0 deletions

diff --git a/test/time/tst-strptime2.c b/test/time/tst-strptime2.c
new file mode 100644
index 000000000..73552bb8f
--- /dev/null
+++ b/test/time/tst-strptime2.c
@@ -0,0 +1,59 @@
+#include <limits.h>
+#include <stdio.h>
+#include <time.h>
+
+
+static const struct
+{
+  const char *fmt;
+  long int gmtoff;
+} tests[] =
+  {
+    { "1113472456 +1000", 36000 },
+    { "1113472456 -1000", -36000 },
+    { "1113472456 +10", 36000 },
+    { "1113472456 -10", -36000 },
+    { "1113472456 +1030", 37800 },
+    { "1113472456 -1030", -37800 },
+    { "1113472456 +0030", 1800 },
+    { "1113472456 -0030", -1800 },
+    { "1113472456 -1330", LONG_MAX },
+    { "1113472456 +1330", LONG_MAX },
+    { "1113472456 -1060", LONG_MAX },
+    { "1113472456 +1060", LONG_MAX },
+    { "1113472456  1030", LONG_MAX },
+  };
+#define ntests (sizeof (tests) / sizeof (tests[0]))
+
+
+int
+main (void)
+{
+  int result = 0;
+
+  for (int i = 0; i < ntests; ++i)
+    {
+      struct tm tm;
+
+      if (strptime (tests[i].fmt, "%s %z", &tm) == NULL)
+	{
+	  if (tests[i].gmtoff != LONG_MAX)
+	    {
+	      printf ("round %d: strptime unexpectedly failed\n", i);
+	      result = 1;
+	    }
+	  continue;
+	}
+
+      if (tm.tm_gmtoff != tests[i].gmtoff)
+	{
+	  printf ("round %d: tm_gmtoff is %ld\n", i, (long int) tm.tm_gmtoff);
+	  result = 1;
+	}
+    }
+
+  if (result == 0)
+    puts ("all OK");
+
+  return 0;
+}