def test_duplicate_lowercase():
assert count_char("aaabbbcccdddeee") == {
"a": 3,
"b": 3,
"c": 3,
"d": 3,
"e": 3
}
def test_uppercase_lowercase():
assert count_char("AaaBbBCCcDdEEE") == {
"A": 1,
"a": 2,
"B": 2,
"b": 1,
"C": 2,
"c": 1,
"D": 1,
"d": 1,
"E": 3
}
def test_many_letters():
assert count_char("abcdefghij") == {
"a": 1,
"b": 1,
"c": 1,
"d": 1,
"e": 1,
"f": 1,
"g": 1,
"h": 1,
"i": 1,
"j": 1
}
def test_sentence():
assert count_char("I am 5 years old!?") == {
"I": 1,
" ": 4,
"a": 2,
"m": 1,
"5": 1,
"y": 1,
"e": 1,
"r": 1,
"s": 1,
"o": 1,
"l": 1,
"d": 1,
"!": 1,
"?": 1
}
def test_empty():
assert count_char("") == {}
def test_numbers():
assert count_char("12342") == {"1":1, "2":2, "3":1, "4":1}
def test_space():
assert count_char("Hi there") == {"H":1, "i":1, " ":1, "t":1, "h":1, "e":2, "r":1}
def test_special():
assert count_char("!@#$%^^") == {"!":1, "@":1, "#":1, "$":1, "%":1, "^":2}
def test_space():
assert count_char("h i") == {"h": 1, " ": 1, "i": 1}
def test_triple():
assert count_char("aaabbb") == {"a": 3, "b": 3}
assert count_char("$$$###") == {"$": 3, "#": 3}
assert count_char("oooOO!!!") == {"o": 3, "O": 2, "!": 3}
def test_number():
assert count_char("2021") == {"2": 2, "0": 1, "1": 1}
def test_symbol():
assert count_char("a!?!") == {"a": 1, "!": 2, "?": 1}
def test_simple():
assert count_char("abc") == {"a": 1, "b": 1, "c": 1}
assert count_char("123") == {"1": 1, "2": 1, "3": 1}
assert count_char("khj") == {"k": 1, "h": 1, "j": 1}
assert count_char("#^@") == {"#": 1, "^": 1, "@": 1}
def test_random():
assert count_char("BBBb ") == {"B": 3, "b": 1, " ": 2}
assert count_char("YeEEYeEl@@YYeee") == {"Y": 4, "e": 5, "E": 3, "l": 1, "@": 2}
def test_simple():
assert count_char("abc") == {"a": 1, "b": 1, "c": 1}
def test_symbols():
assert count_char("!@#$%") == {"!": 1, "@": 1, "#": 1, "$": 1, "%": 1}
def test_double():
assert count_char("aa") == {"a": 2}
def test_double():
assert count_char("hh") == {"h": 2}
assert count_char("aa") == {"a": 2}
assert count_char("@@") == {"@": 2}
assert count_char("99") == {"9": 2}
