2010-06-28 Joel Sherrill <joel.sherrill@oarcorp.com>

* termios03/init.c, termios03/termios03.doc, termios03/termios03.scn,
	termios03/termios_testdriver_polled.c,
	termios03/termios_testdriver_polled.h: Add more test cases.

testsuites/libtests/ChangeLog

@@ -1,3 +1,9 @@
+2010-06-28	Joel Sherrill <joel.sherrill@oarcorp.com>
+
+	* termios03/init.c, termios03/termios03.doc, termios03/termios03.scn,
+	termios03/termios_testdriver_polled.c,
+	termios03/termios_testdriver_polled.h: Add more test cases.
+
 2010-06-28	Joel Sherrill <joel.sherrill@oarcorp.com>
 
 	* malloc02/Makefile.am, malloc03/Makefile.am: Tests do not need spin.c

testsuites/libtests/termios03/init.c

@@ -17,37 +17,115 @@
 #include <sys/stat.h>
 #include <fcntl.h>
 #include <unistd.h>
+#include <termios.h>
+#include <rtems/dumpbuf.h>
 
 void write_helper(
   int        fd,
   const char *c
 )
 {
-  size_t len;
+  size_t   len;
-  int    rc;
+  int      rc;
   
   len = strlen( c );
+  printf( "Writing: %s", c );
+
   rc = write( fd, c, len );
   rtems_test_assert( rc == len );
+
+  termios_test_driver_dump_tx("Transmitted");
 }
+
+uint8_t read_helper_buffer[256];
+
+void read_helper(
+  int         fd,
+  const char *expected
+)
+{
+  int    rc;
+  size_t len;
+
+  len = strlen( expected );
+
+  termios_test_driver_set_rx( expected, len );
+  printf( "\nReading (expected):\n" );
+  rtems_print_buffer( (unsigned char *)expected, len-1 );
+
+  rc = read( fd, read_helper_buffer, sizeof(read_helper_buffer) );
+  rtems_test_assert( rc != -1 );
+
+  printf( "Read %d bytes from read(2)\n", rc );
+  rtems_print_buffer( read_helper_buffer, rc );
+
+  termios_test_driver_dump_tx("Echoed");
+}
+
+int Test_fd;
+
+void open_it(void)
+{
+  /* open the file */
+  puts( "open(" TERMIOS_TEST_DRIVER_DEVICE_NAME ") - OK " );
+  Test_fd = open( TERMIOS_TEST_DRIVER_DEVICE_NAME, O_RDWR );
+  rtems_test_assert( Test_fd != -1 );
+}
+
+void close_it(void)
+{
+  int rc;
+
+  puts( "close(" TERMIOS_TEST_DRIVER_DEVICE_NAME ") - OK " );
+  rc = close( Test_fd );
+  rtems_test_assert( rc == 0 );
+}
+
+void change_iflag( const char *desc, int mask, int new )
+{
+  int            rc;
+  struct termios attr;
+
+  printf( "Changing c_iflag to: %s\n", desc );
+  rc = tcgetattr( Test_fd, &attr );
+  rtems_test_assert( rc == 0 );
+
+  attr.c_iflag &= ~mask;
+  attr.c_iflag |= new;
+
+  rc = tcsetattr( Test_fd, TCSANOW, &attr );
+  rtems_test_assert( rc == 0 );
+}
+
+const char ExpectedOutput_1[] = "This is test output.\n";
+const char ExpectedInput_1[] = "Test input this is.\n";
+const char ExpectedInput_2[] = "1235\b456.\n";
+const char ExpectedInput_3[] = "tab\ttab.\n";
+const char ExpectedInput_4[] = "cr\r.";
+const char ExpectedInput_5[] = "aBcDeFgH.\n";
+
 rtems_task Init(
   rtems_task_argument argument
 )
 {
-  int  fd;
-  int  rc;
-
   puts( "\n\n*** TEST TERMIOS03 ***" );
 
-  puts( "open(" TERMIOS_TEST_DRIVER_DEVICE_NAME ") - OK " );
+  open_it();
-  fd = open( TERMIOS_TEST_DRIVER_DEVICE_NAME, O_RDWR );
-  rtems_test_assert( fd != -1 );
 
-  write_helper( fd, "This is a test\n" );
+  /* some basic cases */
+  write_helper( Test_fd, ExpectedOutput_1 );
+  read_helper( Test_fd, ExpectedInput_1 );
+  read_helper( Test_fd, ExpectedInput_2 );
+  read_helper( Test_fd, ExpectedInput_3 );
+  read_helper( Test_fd, ExpectedInput_4 );
 
-  puts( "close(" TERMIOS_TEST_DRIVER_DEVICE_NAME ") - OK " );
+  /* test to lower case input mapping */
-  rc = close( fd );
+  read_helper( Test_fd, ExpectedInput_5 );
-  rtems_test_assert( rc == 0 );
+  change_iflag( "Enable to lower case mapping on input", IUCLC, IUCLC );
+  read_helper( Test_fd, ExpectedInput_5 );
+  change_iflag( "Disable to lower case mapping on input", IUCLC, 0 );
+
+  close_it();
 
   puts( "*** END OF TEST TERMIOS03 ***" );
 

testsuites/libtests/termios03/termios03.doc

@@ -15,8 +15,10 @@ test set name:  termios03
 
 directives:
 
-  + various termios services
+  + termios services for polled mode
+  + termios canonical input and output processing options
 
 concepts:
 
 + exercise termios polled support for input and output
++ exercise canonical IO processing options 

testsuites/libtests/termios03/termios03.scn

@@ -1 +1,55 @@
-XXX fill in with test output
+*** TEST TERMIOS03 ***
+open(/dev/test) - OK
+Writing: This is test output.
+Transmitted 22 characters
+54 68 69 73 20 69 73 20 74 65 73 74 20 6f 75 74 |This is test out|
+70 75 74 2e 0d 0a                               |put...          |
+
+Reading (expected):
+54 65 73 74 20 69 6e 70 75 74 20 74 68 69 73 20 |Test input this |
+69 73 2e                                        |is.             |
+Read 20 bytes from read(2)
+54 65 73 74 20 69 6e 70 75 74 20 74 68 69 73 20 |Test input this |
+69 73 2e 0a                                     |is..            |
+Echoed 21 characters
+54 65 73 74 20 69 6e 70 75 74 20 74 68 69 73 20 |Test input this |
+69 73 2e 0d 0a                                  |is...           |
+
+Reading (expected):
+31 32 33 35 08 34 35 36 2e                      |1235.456.       |
+Read 10 bytes from read(2)
+31 32 33 35 08 34 35 36 2e 0a                   |1235.456..      |
+Echoed 12 characters
+31 32 33 35 5e 48 34 35 36 2e 0d 0a             |1235^H456...    |
+
+Reading (expected):
+74 61 62 09 74 61 62 2e                         |tab.tab.        |
+Read 9 bytes from read(2)
+74 61 62 09 74 61 62 2e 0a                      |tab.tab..       |
+Echoed 14 characters
+74 61 62 20 20 20 20 20 74 61 62 2e 0d 0a       |tab     tab...  |
+
+Reading (expected):
+63 72 0d                                        |cr.             |
+Read 3 bytes from read(2)
+63 72 0a                                        |cr.             |
+Echoed 4 characters
+63 72 0d 0a                                     |cr..            |
+
+Reading (expected):
+61 42 63 44 65 46 67 48 2e                      |aBcDeFgH.       |
+Read 10 bytes from read(2)
+61 42 63 44 65 46 67 48 2e 0a                   |aBcDeFgH..      |
+Echoed 11 characters
+61 42 63 44 65 46 67 48 2e 0d 0a                |aBcDeFgH...     |
+Changing c_iflag to: Enable to lower case mapping on input
+
+Reading (expected):
+61 42 63 44 65 46 67 48 2e                      |aBcDeFgH.       |
+Read 10 bytes from read(2)
+61 62 63 64 65 66 67 68 2e 0a                   |abcdefgh..      |
+Echoed 11 characters
+61 62 63 64 65 66 67 68 2e 0d 0a                |abcdefgh...     |
+Changing c_iflag to: Disable to lower case mapping on input
+close(/dev/test) - OK 
+*** END OF TEST TERMIOS03 ***

testsuites/libtests/termios03/termios_testdriver_polled.c

@@ -16,12 +16,44 @@
 #include <stdlib.h>
 #include <termios.h>
 #include <rtems/termiostypes.h>
+#include <rtems/dumpbuf.h>
 #include "termios_testdriver_polled.h"
-#include <unistd.h>
+
+#define TX_MAX 1024
+uint8_t Tx_Buffer[TX_MAX];
+int     Tx_Index = 0;
+
+void termios_test_driver_dump_tx(const char *c)
+{
+  printf( "%s %d characters\n", c, Tx_Index );
+  rtems_print_buffer( Tx_Buffer, Tx_Index );
+  Tx_Index = 0;
+}
+  
+const uint8_t *Rx_Buffer;
+int            Rx_Index;
+int            Rx_Length;
+bool           Rx_FirstTime = true;
+
+void termios_test_driver_set_rx(
+  const void *p,
+  size_t      len
+)
+{
+  Rx_Buffer = p;
+  Rx_Length = len;
+  Rx_Index  = 0;
+}
 
 int termios_test_driver_inbyte_nonblocking( int port )
 {
-  return -1;
+  if ( Rx_FirstTime == true ) {
+    Rx_FirstTime = false;
+    return -1;
+  }
+  if ( Rx_Index >= Rx_Length )
+    return -1;
+  return Rx_Buffer[ Rx_Index++ ];
 }
 
 void termios_test_driver_outbyte_polled(
@@ -29,7 +61,7 @@ void termios_test_driver_outbyte_polled(
   char ch
 )
 {
-  write( 2, &ch, 1 );
+  Tx_Buffer[Tx_Index++] = (uint8_t) ch;
 }
 
 ssize_t termios_test_driver_write_support (int minor, const char *buf, size_t len)

testsuites/libtests/termios03/termios_testdriver_polled.h

@@ -20,6 +20,13 @@
 extern "C" {
 #endif
 
+void termios_test_driver_set_rx(
+  const void *p,
+  size_t      len
+);
+
+void termios_test_driver_dump_tx(const char *c);
+
 /**
  *  This macro defines the standard name for the Termios Test device
  *  that is available to applications.