Changeset 3759 for pjproject/branches/1.x/pjlib/src/pjlib-test/os.c

Timestamp:

Sep 21, 2011 4:27:58 AM (13 years ago)

Author:

bennylp

Message:

Added endianness test in pjlib-test (Misc, re #1252)

File:

• pjproject/branches/1.x/pjlib/src/pjlib-test/os.c (modified) (3 diffs)

pjproject/branches/1.x/pjlib/src/pjlib-test/os.c

@@ -23 +23 @@
 
 #if INCLUDE_OS_TEST
+static int endianness_test32(void)
+{
+    union t
+    {
+        pj_uint32_t u32;
+        pj_uint16_t u16[2];
+        pj_uint8_t u8[4];
+    } t;
+
+    PJ_LOG(3,("", " Testing endianness.."));
+
+    t.u32 = 0x11223344;
+
+#if defined(PJ_IS_LITTLE_ENDIAN) && PJ_IS_LITTLE_ENDIAN
+    PJ_LOG(3,("", "   Library is set to little endian"));
+
+#  if defined(PJ_IS_BIG_ENDIAN) && PJ_IS_BIG_ENDIAN
+#    error Error: Both PJ_IS_LITTLE_ENDIAN and PJ_IS_BIG_ENDIAN are set!
+#  endif
+
+    if ((t.u16[0] & 0xFFFF) != 0x3344 ||
+        (t.u16[1] & 0xFFFF) != 0x1122)
+    {
+        PJ_LOG(3,("", "   Error: wrong 16bit values 0x%x and 0x%x",
+                      (t.u16[0] & 0xFFFF), (t.u16[1] & 0xFFFF)));
+        return 10;
+    }
+
+    if ((t.u8[0] & 0xFF) != 0x44 ||
+        (t.u8[1] & 0xFF) != 0x33 ||
+        (t.u8[2] & 0xFF) != 0x22 ||
+        (t.u8[3] & 0xFF) != 0x11)
+    {
+        PJ_LOG(3,("", "   Error: wrong 8bit values"));
+        return 12;
+    }
+
+#elif defined(PJ_IS_BIG_ENDIAN) && PJ_IS_BIG_ENDIAN
+    PJ_LOG(3,("", "   Library is set to big endian"));
+
+    if ((t.u16[0] & 0xFFFF) != 0x1122 ||
+        (t.u16[1] & 0xFFFF) != 0x3344)
+    {
+        PJ_LOG(3,("", "   Error: wrong 16bit values 0x%x and 0x%x",
+                      (t.u16[0] & 0xFFFF), (t.u16[1] & 0xFFFF)));
+        return 20;
+    }
+
+    if ((t.u8[0] & 0xFF) != 0x11 ||
+        (t.u8[1] & 0xFF) != 0x22 ||
+        (t.u8[2] & 0xFF) != 0x33 ||
+        (t.u8[3] & 0xFF) != 0x44)
+    {
+        PJ_LOG(3,("", "   Error: wrong 8bit values"));
+        return 22;
+    }
+
+#  if defined(PJ_IS_LITTLE_ENDIAN) && PJ_IS_LITTLE_ENDIAN
+#    error Error: Both PJ_IS_LITTLE_ENDIAN and PJ_IS_BIG_ENDIAN are set!
+#  endif
+
+
+#else
+#    error Error: Endianness is not set properly!
+#endif
+
+    return 0;
+}
+
 int os_test(void)
 {
@@ -28 +97 @@
     int rc = 0;
 
+    PJ_LOG(3,("", " Sys info:"));
     si = pj_get_sys_info();
     PJ_LOG(3,("", "   machine:  %s", si->machine.ptr));
@@ -36 +106 @@
     PJ_LOG(3,("", "   info:     %s", si->info.ptr));
 
+    rc = endianness_test32();
+
     return rc;
 }