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RustPython/extra_tests/snippets/operator_arithmetic.py
2022-05-04 02:54:59 +09:00

35 lines
696 B
Python

from testutils import assert_raises
assert -3 // 2 == -2
assert -3 % 2 == 1
a = 4
assert a ** 3 == 64
assert a * 3 == 12
assert a / 2 == 2
assert 2 == a / 2
assert a % 3 == 1
assert a - 3 == 1
assert -a == -4
assert +a == 4
# bitwise
assert 8 >> 3 == 1
assert 8 << 3 == 64
# Left shift raises type error
assert_raises(TypeError, lambda: 1 << 0.1)
assert_raises(TypeError, lambda: 1 << "abc")
# Right shift raises type error
assert_raises(TypeError, lambda: 1 >> 0.1)
assert_raises(TypeError, lambda: 1 >> "abc")
# Left shift raises value error on negative
assert_raises(ValueError, lambda: 1 << -1)
# Right shift raises value error on negative
assert_raises(ValueError, lambda: 1 >> -1)