Index: trunk/psLib/test/sysUtils/tst_psLogMsg.c
===================================================================
--- trunk/psLib/test/sysUtils/tst_psLogMsg.c	(revision 1702)
+++ trunk/psLib/test/sysUtils/tst_psLogMsg.c	(revision 1702)
@@ -0,0 +1,219 @@
+/*****************************************************************************
+    This code will test whether trace levels can be set successfully.
+    This code will test whether trace messages can be displayed with printf
+    style string.
+ *****************************************************************************/
+#include <stdio.h>
+#include "pslib.h"
+#include "psTest.h"
+
+static int testLogMsg00();
+static int testLogMsg01();
+static int testLogMsg02();
+static int testLogMsg03();
+static int testLogMsg04();
+static int testLogMsg05();
+
+testDescription tests[] = {
+                              {
+                                  testLogMsg00, 0, "default log levels, printf-style strings", 0, false
+                              },
+                              {
+                                  testLogMsg01, 1, "default log levels, psVLogMsg()", 0, false
+                              },
+                              {
+                                  testLogMsg02, 2, "psLogSetLevel()", 0, false
+                              },
+                              {
+                                  testLogMsg03, 3, "psLogSetFormat()", 0, false
+                              },
+                              {
+                                  testLogMsg04, 4, "Output Format", 0, false
+                              },
+                              {
+                                  testLogMsg05, 5, "psLogSetDestination()", 0, false
+                              },
+                              {
+                                  NULL
+                              }
+                          };
+
+int main( int argc, char* argv[] )
+{
+    psLogSetLevel( PS_LOG_INFO );
+
+    return ( ! runTestSuite( stderr, "psLogMsg", tests, argc, argv ) );
+}
+
+
+static void myLogMsg(const char *name,
+                     int level,
+                     const char *fmt,
+                     ...)
+{
+    va_list ap;
+
+    // Test whether psLogMsgV() accept a va_list for output variables.
+    va_start(ap, fmt);
+    psLogMsgV(name, level, fmt, ap);
+    va_end(ap);
+}
+
+static int testLogMsg00()
+{
+    int i = 0;
+
+    // Send a log messages for levels 0:9.  Only the first four messages
+    // should actually be displayed.
+    for (i=0;i<10;i++) {
+        psLogMsg(__func__, i, "Hello World!  My level is %d %f %s\n", i,
+                 (float) i, "beep beep");
+    }
+
+    return 0;
+}
+
+static int testLogMsg01()
+{
+    int i = 0;
+
+    // Send a log messages for levels 0:9.  Only the first four messages
+    // should actually be displayed.
+    for (i=0;i<10;i++) {
+        myLogMsg(__func__, i, "Hello World!  My level is %d %f %s\n", i,
+                 (float) i, "beep beep");
+    }
+
+    return 0;
+}
+
+static int testLogMsg02()
+{
+
+    psLogSetLevel(9);
+    // Send a log messages for levels 0:9.
+    for (int i=0;i<10;i++) {
+        psLogMsg(__func__, i, "Hello World!  My level is %d\n", i);
+    }
+
+    psLogSetLevel(5);
+    psLogMsg(__func__, 6, "This should not be displayed (level %d)\n", 6);
+    psLogSetLevel(4);
+    psLogMsg(__func__, 4, "This should  be displayed (level %d)\n", 4);
+
+    return 0;
+}
+
+static int testLogMsg03()
+{
+    int i;
+
+    fprintf(stderr,"------------- psLogSetFormat() -------------\n");
+    psLogSetFormat("");
+    for (i=0;i<10;i++) {
+        psLogMsg(__func__, i, "Hello World!  My level is %d\n", i);
+    }
+
+    fprintf(stderr,"------------- psLogSetFormat(NULL) -------------\n");
+    psLogSetFormat(NULL);
+    for (i=0;i<10;i++) {
+        psLogMsg(__func__, i, "Hello World!  My level is %d\n", i);
+    }
+
+    fprintf(stderr,"------------- psLogSetFormat(T) -------------\n");
+    psLogSetFormat("T");
+    for (i=0;i<10;i++) {
+        psLogMsg(__func__, i, "Hello World!  My level is %d\n", i);
+    }
+
+    fprintf(stderr,"------------- psLogSetFormat(H) -------------\n");
+    psLogSetFormat("H");
+    for (i=0;i<10;i++) {
+        psLogMsg(__func__, i, "Hello World!  My level is %d\n", i);
+    }
+
+    fprintf(stderr,"------------- psLogSetFormat(L) -------------\n");
+    psLogSetFormat("L");
+    for (i=0;i<10;i++) {
+        psLogMsg(__func__, i, "Hello World!  My level is %d\n", i);
+    }
+
+    fprintf(stderr,"------------- psLogSetFormat(N) -------------\n");
+    psLogSetFormat("N");
+    for (i=0;i<10;i++) {
+        psLogMsg(__func__, i, "Hello World!  My level is %d\n", i);
+    }
+
+    fprintf(stderr,"------------- psLogSetFormat(M) -------------\n");
+    psLogSetFormat("M");
+    for (i=0;i<10;i++) {
+        psLogMsg(__func__, i, "Hello World!  My level is %d\n", i);
+    }
+
+    fprintf(stderr,"------------- psLogSetFormat(THLNM) -------------\n");
+    psLogSetFormat("THLNM");
+    for (i=0;i<10;i++) {
+        psLogMsg(__func__, i, "Hello World!  My level is %d\n", i);
+    }
+
+    return 0;
+}
+
+
+int testLogMsg04()
+{
+    psLogMsg("Under 15 chars", 0, "Hello World!\n");
+    psLogMsg("This string is more than 15 chars", 0, "Hello World!\n");
+    psLogMsg(__func__, 0, "Line #1\n");
+    psLogMsg(__func__, 0, "Line #2\n");
+    psLogMsg(__func__, 0, "Line #3");
+    psLogMsg(__func__, 0, "Line #4");
+
+    return 0;
+}
+
+int testLogMsg05()
+{
+    int i = 0;
+    FILE* file;
+    char line[256];
+
+    printf("--------------- psLogSetDestination(PS_LOG_NONE) ----------------\n");
+    psLogSetDestination("none");
+    for (i=0;i<10;i++) {
+        psLogMsg(__func__, i, "Hello World!  My level is %d\n", i);
+    }
+
+    printf("------------- psLogSetDestination(PS_LOG_TO_STDERR) -------------\n");
+    psLogSetDestination("dest:stderr");
+    for (i=0;i<10;i++) {
+        psLogMsg(__func__, i, "Hello World!  My level is %d\n", i);
+    }
+
+    printf("------------- psLogSetDestination(PS_LOG_TO_STDOUT) -------------\n");
+    psLogSetDestination("dest:stdout");
+    for (i=0;i<10;i++) {
+        psLogMsg(__func__, i, "Hello World!  My level is %d\n", i);
+    }
+    printf("--------------- psLogSetDestination(""file:log.txt"") ---------------\n");
+    psLogSetDestination("file:log.txt");
+    for (i=0;i<10;i++) {
+        psLogMsg(__func__, i, "Hello World!  My level is %d\n", i);
+    }
+
+    psLogSetDestination("none");
+    printf("--------------------- The Contents of log.txt -------------------\n");
+    file = fopen("log.txt","r");
+    while ( fgets(line,256,file) != NULL ) {
+        printf("%s",line);
+    }
+    fclose(file);
+
+    printf("--------------- psLogSetDestination(""file:/eva/log.txt"") ----------\n");
+    psLogSetDestination("file:/eva/log.txt");
+    for ( i=0;i<10;i++) {
+        psLogMsg(__func__, i, "Hello World! My level is %d\n", i);
+    }
+
+    return 0;
+}