def test_next_line(self):
"""A test of the next_line method of the JavaLikeScanner class."""
scanner = JavaLikeScanner("one two three\nfour\tfive six")
self.assertEqual(scanner.next_line(), "one two three")
self.assertEqual(scanner.next_line(), "four\tfive six")
self.assertEqual(scanner.next_line(), None)
self.assertEqual(scanner.contents, "")
scanner = JavaLikeScanner("")
self.assertEqual(scanner.next_line(), None)
def test_has_next_int(self):
"""A test of the has_next_int method of the JavaLikeScanner class."""
scanner = JavaLikeScanner("1234")
self.assertEqual(scanner.has_next_int(), True)
self.assertEqual(scanner.contents, "1234")
scanner = JavaLikeScanner("1.2")
self.assertEqual(scanner.has_next_int(), False)
self.assertEqual(scanner.contents, "1.2")
scanner = JavaLikeScanner("\t\t1234")
self.assertEqual(scanner.has_next_int(), True)
self.assertEqual(scanner.contents, "\t\t1234")
scanner = JavaLikeScanner("\t\t")
self.assertEqual(scanner.has_next_int(), False)
self.assertEqual(scanner.contents, "\t\t")
scanner = JavaLikeScanner("")
self.assertEqual(scanner.has_next_int(), False)
self.assertEqual(scanner.contents, "")
def test_has_next_line(self):
"""A test of the has_next_line method of the JavaLikeScanner class."""
scanner = JavaLikeScanner("one two three")
self.assertEqual(scanner.has_next_line(), True)
scanner = JavaLikeScanner("")
self.assertEqual(scanner.has_next_line(), False)
scanner = JavaLikeScanner("one two three\n")
self.assertEqual(scanner.has_next_line(), True)
def test_has_next(self):
"""A test of the has_next method of the JavaLikeScanner class."""
scanner = JavaLikeScanner("test")
self.assertEqual(scanner.has_next(), True)
self.assertEqual(scanner.contents, "test")
scanner = JavaLikeScanner("\t\ttest2")
self.assertEqual(scanner.has_next(), True)
self.assertEqual(scanner.contents, "\t\ttest2")
scanner = JavaLikeScanner("\t\t")
self.assertEqual(scanner.has_next(), False)
def test_next(self):
"""A test of the next method of the JavaLikeScanner class."""
scanner = JavaLikeScanner("one two three\nfour\tfive six\t")
self.assertEqual(scanner.next(), "one")
self.assertEqual(scanner.next(), "two")
self.assertEqual(scanner.next(), "three")
self.assertEqual(scanner.next(), "four")
self.assertEqual(scanner.next(), "five")
self.assertEqual(scanner.next(), "six")
self.assertEqual(scanner.next(), None)
scanner = JavaLikeScanner("seven eight\t\tnine\n\t ten\n\t \t")
self.assertEqual(scanner.next(), "seven")
self.assertEqual(scanner.next(), "eight")
self.assertEqual(scanner.next(), "nine")
self.assertEqual(scanner.next(), "ten")
self.assertEqual(scanner.next(), None)
self.assertEqual(scanner.contents, "\n\t \t")
scanner = JavaLikeScanner("")
self.assertEqual(scanner.next(), None)
def test_next_int(self):
"""A test of the next_int method of the JavaLikeScanner class."""
scanner = JavaLikeScanner("0 1 23 456\n7\t8 9 test 10")
self.assertEqual(scanner.next_int(), 0)
self.assertEqual(scanner.next_int(), 1)
self.assertEqual(scanner.next_int(), 23)
self.assertEqual(scanner.next_int(), 456)
self.assertEqual(scanner.next_int(), 7)
self.assertEqual(scanner.next_int(), 8)
self.assertEqual(scanner.next_int(), 9)
self.assertEqual(scanner.next_int(), None)
self.assertEqual(scanner.next_int(), None)
scanner = JavaLikeScanner("1 \t2 1.5\t5")
self.assertEqual(scanner.next_int(), 1)
self.assertEqual(scanner.next_int(), 2)
self.assertEqual(scanner.next_int(), None)
self.assertEqual(scanner.next_int(), None)
self.assertEqual(scanner.contents, " 1.5\t5")
scanner = JavaLikeScanner("1\t \t")
self.assertEqual(scanner.next_int(), 1)
self.assertEqual(scanner.next_int(), None)
self.assertEqual(scanner.contents, "\t \t")
scanner = JavaLikeScanner("")
self.assertEqual(scanner.next_int(), None)
