Contract simple examples

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk/SWIG@5078 626c5289-ae23-0410-ae9c-e8d60b6d4f22

Examples/contract/simple_cxx/runme3.py

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+import example 
+
+# Create the Circle object
+
+r = 2;
+print "  Creating circle (radium: %d) :" % r
+c = example.Circle(r)
+
+# Set the location of the object
+
+c.x = 20
+c.y = 30
+print "  Here is its current position:"
+print "    Circle = (%f, %f)" % (c.x,c.y)
+
+# ----- Call some methods -----
+
+print "\n  Here are some properties of the Circle:"
+print "    area      = ", c.area()
+print "    perimeter = ", c.perimeter()
+dx = 1;
+dy = 1;
+print "    Moving with (%d, %d)..." % (dx, dy)
+c.move(dx, dy)
+
+del c
+
+print "==================================="
+
+# test move function */
+r = 2;
+print "  Creating circle (radium: %d) :" % r 
+c = example.Circle(r)
+# Set the location of the object
+
+c.x = 20
+c.y = 30
+print "  Here is its current position:"
+print "    Circle = (%f, %f)" % (c.x,c.y)
+
+# ----- Call some methods -----
+
+print "\n  Here are some properties of the Circle:"
+print "    area      = ", c.area()
+print "    perimeter = ", c.perimeter()
+
+# no error for Circle's pre-assertion
+dx = 1;
+dy = -1;
+print "    Moving with (%d, %d)..." % (dx, dy)
+c.move(dx, dy)
+
+# error with Shape's pre-assertion
+dx = -1;
+dy = 1;
+print "    Moving with (%d, %d)..." % (dx, dy)
+c.move(dx, dy)