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from manim.mobject.value_tracker import ComplexValueTracker, ValueTracker
def test_value_tracker_set_value():
"""Test ValueTracker.set_value()"""
tracker = ValueTracker()
tracker.set_value(10.0)
assert tracker.get_value() == 10.0
def test_value_tracker_get_value():
"""Test ValueTracker.get_value()"""
tracker = ValueTracker(10.0)
assert tracker.get_value() == 10.0
def test_value_tracker_interpolate():
"""Test ValueTracker.interpolate()"""
tracker1 = ValueTracker(1.0)
tracker2 = ValueTracker(2.5)
tracker3 = ValueTracker().interpolate(tracker1, tracker2, 0.7)
assert tracker3.get_value() == 2.05
def test_value_tracker_increment_value():
"""Test ValueTracker.increment_value()"""
tracker = ValueTracker(0.0)
tracker.increment_value(10.0)
assert tracker.get_value() == 10.0
def test_value_tracker_bool():
"""Test ValueTracker.__bool__()"""
tracker = ValueTracker(0.0)
assert not tracker
tracker.increment_value(1.0)
assert tracker
def test_value_tracker_add():
"""Test ValueTracker.__add__()"""
tracker = ValueTracker(0.0)
tracker2 = tracker + 10.0
assert tracker2.get_value() == 10.0
def test_value_tracker_iadd():
"""Test ValueTracker.__iadd__()"""
tracker = ValueTracker(0.0)
tracker += 10.0
assert tracker.get_value() == 10.0
def test_value_tracker_floordiv():
"""Test ValueTracker.__floordiv__()"""
tracker = ValueTracker(5.0)
tracker2 = tracker // 2.0
assert tracker2.get_value() == 2.0
def test_value_tracker_ifloordiv():
"""Test ValueTracker.__ifloordiv__()"""
tracker = ValueTracker(5.0)
tracker //= 2.0
assert tracker.get_value() == 2.0
def test_value_tracker_mod():
"""Test ValueTracker.__mod__()"""
tracker = ValueTracker(20.0)
tracker2 = tracker % 3.0
assert tracker2.get_value() == 2.0
def test_value_tracker_imod():
"""Test ValueTracker.__imod__()"""
tracker = ValueTracker(20.0)
tracker %= 3.0
assert tracker.get_value() == 2.0
def test_value_tracker_mul():
"""Test ValueTracker.__mul__()"""
tracker = ValueTracker(3.0)
tracker2 = tracker * 4.0
assert tracker2.get_value() == 12.0
def test_value_tracker_imul():
"""Test ValueTracker.__imul__()"""
tracker = ValueTracker(3.0)
tracker *= 4.0
assert tracker.get_value() == 12.0
def test_value_tracker_pow():
"""Test ValueTracker.__pow__()"""
tracker = ValueTracker(3.0)
tracker2 = tracker**3.0
assert tracker2.get_value() == 27.0
def test_value_tracker_ipow():
"""Test ValueTracker.__ipow__()"""
tracker = ValueTracker(3.0)
tracker **= 3.0
assert tracker.get_value() == 27.0
def test_value_tracker_sub():
"""Test ValueTracker.__sub__()"""
tracker = ValueTracker(20.0)
tracker2 = tracker - 10.0
assert tracker2.get_value() == 10.0
def test_value_tracker_isub():
"""Test ValueTracker.__isub__()"""
tracker = ValueTracker(20.0)
tracker -= 10.0
assert tracker.get_value() == 10.0
def test_value_tracker_truediv():
"""Test ValueTracker.__truediv__()"""
tracker = ValueTracker(5.0)
tracker2 = tracker / 2.0
assert tracker2.get_value() == 2.5
def test_value_tracker_itruediv():
"""Test ValueTracker.__itruediv__()"""
tracker = ValueTracker(5.0)
tracker /= 2.0
assert tracker.get_value() == 2.5
def test_complex_value_tracker_set_value():
"""Test ComplexValueTracker.set_value()"""
tracker = ComplexValueTracker()
tracker.set_value(1 + 2j)
assert tracker.get_value() == 1 + 2j
def test_complex_value_tracker_get_value():
"""Test ComplexValueTracker.get_value()"""
tracker = ComplexValueTracker(2.0 - 3.0j)
assert tracker.get_value() == 2.0 - 3.0j
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