Lichen

Annotated tests/set.py

820:be4f3575f605
2018-01-08 Paul Boddie Added tests for attribute initialisation plus testing for duplicate parameters.
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s = set()
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s.add(10)
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s.add(20)
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s.add("c")
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s.add((1, 2))
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print "# s:",
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print s                             # set([10, 20, "c", (1, 2))
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print len(s)                        # 4
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print 10 in s                       # True
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print 20 in s                       # True
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print "c" in s                      # True
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print 30 in s                       # False
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print (1, 2) in s                   # True
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s2 = set([10, 20, "c", (1, 2)])
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print "# s2:",
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print s2                            # set([10, 20, "c", (1, 2))
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print len(s2)                       # 4
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print 10 in s2                      # True
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print 20 in s2                      # True
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print "c" in s2                     # True
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print 30 in s2                      # False
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print (1, 2) in s2                  # True
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a = set([1, 3, 5, 7, 9])
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b = set([1, 2, 3, 5, 7])
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aub = a.union(b)
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aib = a.intersection(b)
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adb = a.difference(b)
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asdb = a.symmetric_difference(b)
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print len(aub)                      # 6
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print len(aib)                      # 4
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print len(adb)                      # 1
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print len(asdb)                     # 2
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print
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print 1 in aub                      # True
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print 1 in aib                      # True
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print 1 in adb                      # False
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print 1 in asdb                     # True
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print
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print 2 in aub                      # True
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print 2 in aib                      # False
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print 2 in adb                      # False
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print 2 in asdb                     # False
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print
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print 9 in aub                      # True
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print 9 in aib                      # False
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print 9 in adb                      # True
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print 9 in asdb                     # False
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print
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aub2 = a.copy()
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aub2.update(b)
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print len(aub2)                     # 6
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aib2 = a.copy()
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aib2.intersection_update(b)
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print len(aib2)                     # 4
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adb2 = a.copy()
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adb2.difference_update(b)
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print len(adb2)                     # 1
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asdb2 = a.copy()
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asdb2.symmetric_difference_update(b)
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print len(asdb2)                    # 2