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# Copyright (c) 2020 Manfred Moitzi
# License: MIT License
import pytest
from ezdxf.math import Vec2, distance_point_line_2d, is_point_on_line_2d
def test_distance_point_horiz_line():
start, end = Vec2(0, 0), Vec2(10, 0)
assert distance_point_line_2d(Vec2(5, 2), start, end) == 2
assert distance_point_line_2d(Vec2(5, -3), start, end) == 3
assert distance_point_line_2d(Vec2(0, 0), start, end) == 0
def test_distance_point_vertical_line():
start, end = Vec2(0, 0), Vec2(0, 10)
assert distance_point_line_2d(Vec2(2, 0), start, end) == 2
assert distance_point_line_2d(Vec2(-3, 0), start, end) == 3
assert distance_point_line_2d(Vec2(0, 0), start, end) == 0
def test_is_point_on_horiz_line():
assert is_point_on_line_2d(Vec2(-1, 0), Vec2(0, 0), Vec2(1, 0)) is True
assert (
is_point_on_line_2d(Vec2(-1, 0), Vec2(0, 0), Vec2(1, 0.0001)) is False
)
assert (
is_point_on_line_2d(Vec2(-1, 0), Vec2(0, 0), Vec2(1, 0), ray=False)
is False
)
def test_is_point_on_vertical_line():
assert is_point_on_line_2d(Vec2(0, -1), Vec2(0, 0), Vec2(0, 1)) is True
assert (
is_point_on_line_2d(Vec2(0, -1), Vec2(0, 0), Vec2(0.00001, 1)) is False
)
assert (
is_point_on_line_2d(Vec2(0, -1), Vec2(0, 0), Vec2(0, 1), ray=False)
is False
)
def test_is_point_on_diag_line():
assert is_point_on_line_2d(Vec2(-1, -1), Vec2(0, 0), Vec2(1, 1)) is True
assert (
is_point_on_line_2d(Vec2(-1, -1), Vec2(0, 0), Vec2(1, 1), ray=False)
is False
)
if __name__ == "__main__":
pytest.main([__file__])
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