def test_merge_with_add():
c1 = CRN()
c1.r("A + B <> 2C", [1, 1])
c1['A'] = 2
c2 = copy(c1)
c2['A'] = 4
c2['B'] = 1
assert(c1['A'] == 2)
assert(c1['B'] == 0)
assert(c1['C'] == 0)
print(c1.x)
c1.merge(c2, lambda a, b: a+b)
assert(c1['A'] == 6)
assert(c1['B'] == 1)
assert(c1['C'] == 0)
def test_merge_with_add():
c1 = CRN()
c1.r("A + B <> 2C", [1, 1])
c1['A'] = 2
c2 = copy(c1)
c2['A'] = 4
c2['B'] = 1
assert (c1['A'] == 2)
assert (c1['B'] == 0)
assert (c1['C'] == 0)
print(c1.x)
c1.merge(c2, lambda a, b: a + b)
assert (c1['A'] == 6)
assert (c1['B'] == 1)
assert (c1['C'] == 0)
def test_merge():
c1 = CRN()
c1.r("A + B <> 2C", [1, 1])
c1['A'] = 2
c2 = copy(c1)
c2['A'] = 4
c2['B'] = 1
assert(c1['A'] == 2)
assert(c1['B'] == 0)
assert(c1['C'] == 0)
c1.merge(c2)
assert(c1['A'] == 4)
assert(c1['B'] == 1)
assert(c1['C'] == 0)
def test_merge():
c1 = CRN()
c1.r("A + B <> 2C", [1, 1])
c1['A'] = 2
c2 = copy(c1)
c2['A'] = 4
c2['B'] = 1
assert (c1['A'] == 2)
assert (c1['B'] == 0)
assert (c1['C'] == 0)
c1.merge(c2)
assert (c1['A'] == 4)
assert (c1['B'] == 1)
assert (c1['C'] == 0)