def test_different_widths():
c = Canvas()
c.addGen( Wire( nm='m2', layer='metal2', direction='h', clg=None, spg=None))
c.terminals = [{'layer': 'metal2', 'netName': 'x', 'rect': [0, -50, 300, 50], 'netType': 'drawing'},
{'layer': 'metal2', 'netName': 'x', 'rect': [0, -60, 300, 60], 'netType': 'drawing'}]
c.removeDuplicates()
assert len(c.rd.different_widths) > 0
def setup():
p = Pdk().load(pdkfile)
c = Canvas(p)
c.addGen(Wire(nm='m2', layer='M2', direction='h', clg=None, spg=None))
m2 = p['M2']
m2['AdjacentAttacker'] = 1
assert 'Width' in m2
dy = m2['Width'] // 2
py = m2['Pitch']
c.terminals = [{
'layer': 'M2',
'netName': 'x',
'rect': [0, 0 * py - dy, 200, 0 * py + dy]
}, {
'layer': 'M2',
'netName': 'y',
'rect': [200, 1 * py - dy, 400, 1 * py + dy]
}]
return c
def test_via_multi_terminal_short():
c = Canvas()
c.addGen(Wire(nm='m1', layer='M1', direction='v', clg=None, spg=None))
c.addGen(Via(nm="v0", layer="via0", h_clg=None, v_clg=None))
c.terminals = [{
'layer': 'M1',
'netName': 'x',
'rect': [100, -150, 200, 150]
}, {
'layer': 'M1',
'netName': 'y',
'rect': [300, -150, 600, 150]
}, {
'layer': 'via0',
'netName': 'M1:S',
'rect': [100, -50, 200, 50]
}, {
'layer': 'via0',
'netName': 'M1:S',
'rect': [300, -50, 600, 50]
}]
c.layer_stack.append(('via0', ('M1', None)))
c.removeDuplicates()
assert len(c.rd.subinsts) == 1, c.rd.subinsts
assert len(c.rd.subinsts['M1'].pins) == 1, c.rd.subinsts
assert len(c.rd.shorts) == 1, c.rd.shorts
assert len(c.rd.opens) == 0, c.rd.opens
def test_metal_multi_terminal_connection():
c = Canvas()
c.addGen(Wire(nm='m2', layer='metal2', direction='h', clg=None, spg=None))
c.terminals = [{
'layer': 'metal2',
'netName': 'M1:S',
'rect': [0, -50, 300, 50]
}, {
'layer': 'metal2',
'netName': 'inp1',
'rect': [200, -50, 600, 50]
}, {
'layer': 'metal2',
'netName': 'M1:D',
'rect': [400, -50, 800, 50]
}, {
'layer': 'metal2',
'netName': None,
'rect': [700, -50, 1000, 50]
}, {
'layer': 'metal2',
'netName': 'M2:inp',
'rect': [900, -50, 1200, 50]
}]
c.removeDuplicates()
assert len(c.rd.shorts) == 0, c.rd.shorts
assert len(c.rd.opens) == 0, c.rd.opens
assert len(c.rd.subinsts) == 2
assert len(c.rd.subinsts['M1'].pins) == 2, c.rd.subinsts
assert len(c.rd.subinsts['M2'].pins) == 1
def test_via_multi_terminal_open():
c = Canvas()
c.addGen(Wire(nm='m1', layer='M1', direction='v', clg=None, spg=None))
c.addGen(Wire(nm='m2', layer='M2', direction='h', clg=None, spg=None))
c.addGen(Via(nm="v1", layer="via1", h_clg=None, v_clg=None))
c.terminals = [{
'layer': 'M2',
'netName': None,
'rect': [0, -50, 300, 50]
}, {
'layer': 'M1',
'netName': 'M1:S',
'rect': [100, -150, 200, 150]
}, {
'layer': 'M1',
'netName': 'M1:D',
'rect': [0, -150, 50, 150]
}, {
'layer': 'via1',
'netName': None,
'rect': [100, -50, 200, 50]
}, {
'layer': 'via1',
'netName': None,
'rect': [0, -50, 50, 50]
}]
c.removeDuplicates()
assert len(c.rd.shorts) == 0, c.rd.shorts
assert len(c.rd.opens) == 2, c.rd.opens
assert len(c.rd.subinsts) == 1, c.rd.subinsts
assert len(c.rd.subinsts['M1'].pins) == 2, c.rd.subinsts
def test_open():
c = Canvas()
c.addGen( Wire( nm='m2', layer='metal2', direction='h', clg=None, spg=None))
c.terminals = [{'layer': 'metal2', 'netName': 'x', 'rect': [ 0, -50, 300, 50], 'netType': 'drawing'},
{'layer': 'metal2', 'netName': 'x', 'rect': [400, -50, 600, 50], 'netType': 'drawing'}]
c.removeDuplicates()
assert len(c.rd.shorts) == 0, c.rd.shorts
assert len(c.rd.opens) == 1, c.rd.opens
def test_overlapping():
c = Canvas()
c.addGen( Wire( nm='m2', layer='metal2', direction='h', clg=None, spg=None))
c.terminals = [{'layer': 'metal2', 'netName': 'x', 'rect': [ 0, -50, 300, 50], 'netType': 'drawing'},
{'layer': 'metal2', 'netName': 'x', 'rect': [200, -50, 600, 50], 'netType': 'drawing'}]
newTerminals = c.removeDuplicates()
assert len(newTerminals) == 1
assert newTerminals[0]['rect'] == [0, -50, 600, 50]
def test_vertical():
c = Canvas()
c.addGen(Wire(nm='m1', layer='metal1', direction='v', clg=None, spg=None))
c.terminals = [{
'layer': 'metal1',
'netName': 'x',
'rect': [0, 0, 100, 300]
}]
c.removeDuplicates()
def test_overlapping_drawings_through_blockage():
c = Canvas()
c.addGen( Wire( nm='m2', layer='M2', direction='h', clg=None, spg=None))
c.terminals = [ {'layer': 'M2', 'netName': 'a', 'rect': [ 0, -50, 300, 50], 'netType': 'pin'},
{'layer': 'M2', 'netName': None, 'rect': [ 150, -50, 750, 50], 'netType': 'blockage'},
{'layer': 'M2', 'netName': 'b', 'rect': [ 600, -50, 900, 50], 'netType': 'pin'}
]
newTerminals = c.removeDuplicates()
assert len(c.rd.shorts) == 1, c.rd.shorts
assert len(c.rd.opens) == 0, c.rd.opens
def test_blockage_not_merging():
c = Canvas()
c.addGen( Wire( nm='m2', layer='M2', direction='h', clg=None, spg=None))
c.terminals = [{'layer': 'M2', 'netName': 'a', 'rect': [ 0, -50, 300, 50], 'netType': 'pin'},
{'layer': 'M2', 'netName': None, 'rect': [ 150, -50, 750, 50], 'netType': 'blockage'}
]
newTerminals = c.removeDuplicates()
assert len(c.rd.shorts) == 0, c.rd.shorts
assert len(c.rd.opens) == 0, c.rd.opens
assert len(newTerminals) == 2, len(newTerminals)
def test_via_short1():
c = Canvas()
c.addGen( Wire( nm='m1', layer='M1', direction='v', clg=None, spg=None))
c.addGen( Wire( nm='m2', layer='M2', direction='h', clg=None, spg=None))
c.addGen( Via( nm="v1", layer="via1", h_clg=None, v_clg=None))
c.terminals = [{'layer': 'M2', 'netName': 'a', 'rect': [ 0, -50, 300, 50], 'netType': 'drawing'},
{'layer': 'M1', 'netName': 'b', 'rect': [100, -150, 200, 150], 'netType': 'drawing'},
{'layer': 'via1', 'netName': None, 'rect': [100, -50, 200, 50], 'netType': 'drawing'}
]
print(c.removeDuplicates())
assert len(c.rd.shorts) == 1, c.rd.shorts
assert len(c.rd.opens) == 0, c.rd.opens
def setup():
p = Pdk().load(pdkfile)
c = Canvas(p)
c.addGen(Wire(nm='m1', layer='M1', direction='v', clg=None, spg=None))
c.addGen(Wire(nm='m2', layer='M2', direction='h', clg=None, spg=None))
c.addGen(Via(nm="v1", layer="V1", h_clg=None, v_clg=None))
m1 = p['M1']
v1 = p['V1']
m2 = p['M2']
assert 'Width' in m1
assert 'Width' in m2
assert 'VencA_L' in v1
assert 'VencA_H' in v1
assert 'VencP_L' in v1
assert 'VencP_H' in v1
assert 'WidthX' in v1
assert 'WidthY' in v1
assert 'MinL' in m1
assert 'MinL' in m2
assert m1['MinL'] <= 200
assert m2['MinL'] <= 200
def cr(x, y):
assert x % 2 == 0
assert y % 2 == 0
return [-x // 2, -y // 2, x // 2, y // 2]
c.terminals = [{
'layer': 'M1',
'netName': 'x',
'rect': cr(m1['Width'], v1['WidthY'] + 2 * v1['VencA_L']),
"netType": "drawing"
}, {
'layer': 'M2',
'netName': 'x',
'rect': cr(v1['WidthX'] + 2 * v1['VencA_H'], m2['Width']),
"netType": "drawing"
}, {
'layer': 'V1',
'netName': 'x',
'rect': cr(v1['WidthX'], v1['WidthY']),
"netType": "drawing"
}]
return c
def test_metal_terminal_connection():
c = Canvas()
c.addGen(Wire(nm='m2', layer='metal2', direction='h', clg=None, spg=None))
c.terminals = [{
'layer': 'metal2',
'netName': 'x',
'rect': [0, -50, 300, 50]
}, {
'layer': 'metal2',
'netName': 'M1:S',
'rect': [200, -50, 600, 50]
}]
c.removeDuplicates()
assert len(c.rd.shorts) == 0, c.rd.shorts
assert len(c.rd.opens) == 0, c.rd.opens
assert len(c.rd.subinsts) == 1, c.rd.subinsts
def test_disjoint():
c = Canvas()
c.addGen(Wire(nm='m2', layer='metal2', direction='h', clg=None, spg=None))
c.terminals = [{
'layer': 'metal2',
'netName': 'x',
'rect': [0, -50, 300, 50]
}, {
'layer': 'metal2',
'netName': 'x',
'rect': [400, -50, 600, 50]
}]
newTerminals = c.removeDuplicates()
assert len(newTerminals) == 2
assert newTerminals[0]['rect'] == [0, -50, 300, 50]
assert newTerminals[1]['rect'] == [400, -50, 600, 50]
def setup():
p = Pdk().load(pdkfile)
c = Canvas(p)
c.addGen(Wire(nm='m2', layer='M2', direction='h', clg=None, spg=None))
c.addGen(Wire(nm='m3', layer='M3', direction='v', clg=None, spg=None))
c.addGen(Via(nm="v2", layer="V2", h_clg=None, v_clg=None))
m2 = p['M2']
v2 = p['V2']
m3 = p['M3']
assert 'Width' in m2
assert 'Width' in m3
assert 'VencA_L' in v2
assert 'VencA_H' in v2
assert 'VencP_L' in v2
assert 'VencP_H' in v2
assert 'WidthX' in v2
assert 'WidthY' in v2
assert 'MinL' in m2
assert 'MinL' in m3
assert m2['MinL'] <= 210
assert m3['MinL'] <= 210
def cr(x, y):
assert x % 2 == 0
assert y % 2 == 0
return [-x // 2, -y // 2, x // 2, y // 2]
c.terminals = [{
'layer': 'M2',
'netName': 'x',
'rect': cr(v2['WidthX'] + 2 * v2['VencA_L'], m2['Width'])
}, {
'layer': 'M3',
'netName': 'x',
'rect': cr(m3['Width'], v2['WidthY'] + 2 * v2['VencA_H'])
}, {
'layer': 'V2',
'netName': 'x',
'rect': cr(v2['WidthX'], v2['WidthY'])
}]
return c
def test_via_connectf():
c = Canvas()
c.addGen(Wire(nm='m1', layer='M1', direction='v', clg=None, spg=None))
c.addGen(Wire(nm='m2', layer='M2', direction='h', clg=None, spg=None))
c.addGen(Via(nm="v1", layer="via1", h_clg=None, v_clg=None))
c.terminals = [{
'layer': 'M2',
'netName': 'b',
'rect': [0, -50, 300, 50]
}, {
'layer': 'M1',
'netName': None,
'rect': [100, -150, 200, 150]
}, {
'layer': 'via1',
'netName': None,
'rect': [100, -50, 200, 50]
}]
terms = c.removeDuplicates()
print(terms)
assert len(c.rd.shorts) == 0, c.rd.shorts
assert len(c.rd.opens) == 0, c.rd.opens
assert {d['netName'] for d in terms} == {'b'}
def test_horizontal():
c = Canvas()
c.addGen( Wire( nm='m2', layer='metal2', direction='h', clg=None, spg=None))
c.terminals = [{'layer': 'metal2', 'netName': 'x', 'rect': [0, 0, 300, 100], 'netType': 'drawing'}]
c.removeDuplicates()