#!/usr/bin/env python
# -*- coding: utf-8 -*-

# Copyright 2019 Hiroshi Murayama <opiopan@gmail.com>

import unittest

from gerberex.utility import *
from math import sqrt

class TestUtility(unittest.TestCase):
    def test_rotate(self):
        x0, y0 = (10, 0)

        x1, y1 = rotate(x0, y0, 60, (0, 0))
        self.assertAlmostEqual(x1, 5)
        self.assertAlmostEqual(y1, 10 * sqrt(3) / 2)

        x1, y1 = rotate(x0, y0, 180, (5, 0))
        self.assertAlmostEqual(x1, 0)
        self.assertAlmostEqual(y1, 0)

        x1, y1 = rotate(x0, y0, -90, (10, 5))
        self.assertAlmostEqual(x1, 5)
        self.assertAlmostEqual(y1, 5)

    def test_is_equal_value(self):
        a = 10.0001
        b = 10.01

        self.assertTrue(is_equal_value(a, b, 0.1))
        self.assertTrue(is_equal_value(a, b, 0.01))
        self.assertFalse(is_equal_value(a, b, 0.001))
        self.assertFalse(is_equal_value(a, b))

        self.assertTrue(is_equal_value(b, a, 0.1))
        self.assertTrue(is_equal_value(b, a, 0.01))
        self.assertFalse(is_equal_value(b, a, 0.001))
        self.assertFalse(is_equal_value(b, a))

    def test_is_equal_point(self):
        p0 = (10.01, 5.001)
        p1 = (10.0001, 5)
        self.assertTrue(is_equal_point(p0, p1, 0.1))
        self.assertTrue(is_equal_point(p0, p1, 0.01))
        self.assertFalse(is_equal_point(p0, p1, 0.001))
        self.assertFalse(is_equal_point(p0, p1))
        self.assertTrue(is_equal_point(p1, p0, 0.1))
        self.assertTrue(is_equal_point(p1, p0, 0.01))
        self.assertFalse(is_equal_point(p1, p0, 0.001))
        self.assertFalse(is_equal_point(p1, p0))

        p0 = (5.001, 10.01)
        p1 = (5, 10.0001)
        self.assertTrue(is_equal_point(p0, p1, 0.1))
        self.assertTrue(is_equal_point(p0, p1, 0.01))
        self.assertFalse(is_equal_point(p0, p1, 0.001))
        self.assertFalse(is_equal_point(p0, p1))
        self.assertTrue(is_equal_point(p1, p0, 0.1))
        self.assertTrue(is_equal_point(p1, p0, 0.01))
        self.assertFalse(is_equal_point(p1, p0, 0.001))
        self.assertFalse(is_equal_point(p1, p0))

if __name__ == '__main__':
    unittest.main()