include libslang-1.4.9 and automatically build it and link erlang-slang against it

few (erlang) people will still have libslang-1.4.9 installed or spend time
to get it to link against the driver

1 files changed, 130 insertions, 0 deletions

diff --git a/libslang/src/test/loops.sl b/libslang/src/test/loops.sl
new file mode 100644
index 0000000..ac22611
--- /dev/null
+++ b/libslang/src/test/loops.sl
@@ -0,0 +1,130 @@
+_debug_info = 1; () = evalfile ("inc.sl");
+
+print ("Testing looping constructs ...");
+
+define identity (x)
+{
+   return x;
+}
+
+define test_do_while (count_fun)
+{
+   variable i = 0;
+   variable count = 0;
+   do
+     {
+	if (i == 3)
+	  continue;
+	i++;
+     }
+   while (@count_fun (&count) < 6);
+   if ((count != 6) or (i != 3))
+     failed ("do_while 1: %S", count_fun);
+
+   i = 0;
+   count = 0;
+   do
+     {
+	if (i == 3)
+	  break;
+	i++;
+     }
+   while (@count_fun (&count) < 6);
+   if ((count != 3) or (i != 3))
+     failed ("do_while 2: %S", count_fun);
+}
+
+define test_while (count_fun)
+{
+   variable i = 0;
+   variable count = 0;
+
+   while (@count_fun (&count) < 6)
+     {
+	if (i == 3)
+	  continue;
+	i++;
+     }
+   if ((count != 6) or (i != 3))
+     failed ("while 1: %S", count_fun);
+
+   i = 0;
+   count = 0;
+   while (@count_fun (&count) < 6)
+     {
+	if (i == 3)
+	  break;
+	i++;
+     }
+   if ((count != 4) or (i != 3))
+     failed ("while 2: %S", count_fun);
+}
+
+define test_for (count_fun)
+{
+   variable i = 0;
+   variable count = 0;
+
+   for (count = 0; @count_fun (&count) < 6; )
+     {
+	if (i == 3)
+	  continue;
+	i++;
+     }
+   if ((count != 6) or (i != 3))
+     failed ("while 1: %S", count_fun);
+
+   i = 0;
+   for (count = 0; @count_fun (&count) < 6; )
+     {
+	if (i == 3)
+	  break;
+	i++;
+     }
+   if ((count != 4) or (i != 3))
+     failed ("while 2: %S", count_fun);
+}
+
+define add_one (x)
+{
+   @x = @x + 1;
+   return @x;
+}
+
+define add_one_with_call (x)
+{
+   @x = @x+1;
+   return identity (@x);
+}
+
+define add_one_with_loop (x)
+{
+   variable i = 0;
+   while (1)
+     {
+	@x = @x + 1;
+	i++;
+	if (i == 3)
+	  break;
+     }
+   @x = @x - 2;
+   return @x;
+}
+
+
+test_do_while (&add_one);
+test_do_while (&add_one_with_call);
+test_do_while (&add_one_with_loop);
+   
+test_while (&add_one);
+test_while (&add_one_with_call);
+test_while (&add_one_with_loop);
+   
+test_for (&add_one);
+test_for (&add_one_with_call);
+test_for (&add_one_with_loop);
+   
+print ("Ok\n");
+
+exit (0);
+