[Jython-checkins] SF.net SVN: jython:[5771] trunk/jython/Lib/test

[<fwi...@us...>]

Revision: 5771
          http://jython.svn.sourceforge.net/jython/?rev=5771&view=rev
Author:   fwierzbicki
Date:     2008-12-17 03:56:56 +0000 (Wed, 17 Dec 2008)

Log Message:
-----------
On the advice of the original poster of http://bugs.jython.org/issue1205 known
to us only as pb, switching the test cases to the more poetic computation of
the Hardy-Ramanujan number http://en.wikipedia.org/wiki/1729_(number).

Modified Paths:
--------------
    trunk/jython/Lib/test/test_genexps_jy.py
    trunk/jython/Lib/test/test_listcomp_jy.py

Modified: trunk/jython/Lib/test/test_genexps_jy.py
===================================================================
--- trunk/jython/Lib/test/test_genexps_jy.py	2008-12-16 19:24:41 UTC (rev 5770)
+++ trunk/jython/Lib/test/test_genexps_jy.py	2008-12-17 03:56:56 UTC (rev 5771)
@@ -17,11 +17,15 @@
 
     #http://bugs.jython.org/issue1205 applied to genexps.
     def test_long_genexp(self):
-        r = 2
-        g = ((x1**3+x2**3,(x1,x2),(y1,y2)) for x1 in range(4) for x2 in range(4)
-                if x1 < x2 for y1 in range(r) for y2 in range(r) if y1 < y2
-                if x1**3+x2**3 == y1**3+y2**3 )
-        self.assertEquals(g.next(), (1, (0, 1), (0, 1)))
+        #for a long genexp, we compute the Hardy-Ramanujan number
+        #http://en.wikipedia.org/wiki/1729_(number)
+        res = ((x1**3+x2**3,(x1,x2),(y1,y2))
+              for x1 in range(20) for x2 in range(20) if x1 < x2 # x-Paare
+              for y1 in range(20) for y2 in range(20) if y1 < y2 # y-Paare
+              if x1**3+x2**3 == y1**3+y2**3 # gleiche Summe
+              if (x1,x2) < (y1,y2)
+              )
+        self.assertEquals(1729, res.next()[0])
 
 def test_main():
     test_support.run_unittest(GeneratorExpressionsTestCase)

Modified: trunk/jython/Lib/test/test_listcomp_jy.py
===================================================================
--- trunk/jython/Lib/test/test_listcomp_jy.py	2008-12-16 19:24:41 UTC (rev 5770)
+++ trunk/jython/Lib/test/test_listcomp_jy.py	2008-12-17 03:56:56 UTC (rev 5771)
@@ -5,12 +5,16 @@
 
     #http://bugs.jython.org/issue1205
     def test_long_listcomp(self):
-        r = 2
-        lc = [(x1**3+x2**3,(x1,x2),(y1,y2)) for x1 in range(4) for x2 in range(4)
-                if x1 < x2 for y1 in range(r) for y2 in range(r) if y1 < y2
-                if x1**3+x2**3 == y1**3+y2**3 ]
-        self.assertEquals(len(lc), 1)
-        self.assertEquals(lc, [(1, (0, 1), (0, 1))])
+        #for a long list comp, we compute the Hardy-Ramanujan number
+        #http://en.wikipedia.org/wiki/1729_(number)
+        res = [(x1**3+x2**3,(x1,x2),(y1,y2))
+              for x1 in range(20) for x2 in range(20) if x1 < x2 # x-Paare
+              for y1 in range(20) for y2 in range(20) if y1 < y2 # y-Paare
+              if x1**3+x2**3 == y1**3+y2**3 # gleiche Summe
+              if (x1,x2) < (y1,y2)
+              ]
+        self.assertEquals(1729, min(res)[0])
+        self.assertEquals(len(res), 2)
 
 def test_main():
     test_support.run_unittest(ListCompTestCase)


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