mirror of https://github.com/kivy/pyjnius.git
27 lines
852 B
Python
27 lines
852 B
Python
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import unittest
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from jnius import autoclass, JavaException
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class TestLambdas(unittest.TestCase):
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def testJavaUtilFunction(self):
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Arrays = autoclass("java.util.Arrays")
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Collectors = autoclass("java.util.stream.Collectors")
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#J: List<Integer> numbers = Arrays.asList(1, 2, 3);
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numbers = autoclass('java.util.ArrayList')()
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numbers.add(1)
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numbers.add(2)
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numbers.add(3)
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#J: List<Integer> squares = numbers.stream().map( i -> i*i).collect(Collectors.toList());
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squares = numbers.stream().map(lambda i : i * i).collect(Collectors.toList())
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self.assertEqual(len(squares), len(numbers))
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self.assertEqual(squares[0], 1)
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self.assertEqual(squares[1], 4)
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self.assertEqual(squares[2], 9)
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if __name__ == '__main__':
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unittest.main()
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