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_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 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_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_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_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_one():
c = Canvas()
c.pdk = {'M1': {'MaxL': None}, 'M2': {'MaxL': 10000}}
m1 = c.addGen(
Wire(nm='m1',
layer='M1',
direction='v',
clg=UncoloredCenterLineGrid(width=400, pitch=720, repeat=2),
spg=EnclosureGrid(pitch=720, stoppoint=360)))
m2 = c.addGen(
Wire(nm='m2',
layer='M2',
direction='h',
clg=UncoloredCenterLineGrid(width=400, pitch=720, repeat=5),
spg=EnclosureGrid(pitch=720, stoppoint=360)))
# These three should be merged
c.addWire(m1, 'a', 0, (0, 1), (3, 3))
c.addWire(m1, 'a', 0, (4, 1), (5, 3))
c.addWire(m1, 'a', 0, (6, 1), (50, 3))
# Only the first two should be merged
c.addWire(m2, 'a', 1, (0, 1), (3, 3))
c.addWire(m2, 'a', 1, (4, 1), (5, 3))
c.addWire(m2, 'a', 1, (6, 1), (50, 3))
new_terminals = c.removeDuplicates(allow_opens=True)
print('OLD:', new_terminals)
c.join_wires(m1)
c.join_wires(m2)
new_terminals = c.removeDuplicates(allow_opens=True)
print('NEW:', new_terminals)
c.computeBbox()
fn = "__json_join_wires_one"
data = {
'bbox': c.bbox.toList(),
'globalRoutes': [],
'globalRouteGrid': [],
'terminals': c.removeDuplicates(allow_opens=True)
}
with open(mydir / (fn + "_cand"), "wt") as fp:
fp.write(json.dumps(data, indent=2) + '\n')
with open(mydir / (fn + "_gold"), "rt") as fp:
data2 = json.load(fp)
assert data == data2
def test_two():
c = Canvas()
c.pdk = {'M1': {'MaxL': None}, 'M2': {'MaxL': 10000}}
m1 = c.addGen(
Wire(nm='m1',
layer='M1',
direction='v',
clg=UncoloredCenterLineGrid(width=400, pitch=720, repeat=2),
spg=EnclosureGrid(pitch=720, stoppoint=360)))
# None of the below should merge
c.addWire(m1, 'a', 1, (0, 1), (1, 3))
c.addWire(m1, 'b', 1, (2, 1), (3, 3))
c.addWire(m1, 'a', 1, (4, 1), (5, 3))
# Append different width
c.terminals.append({
'layer': 'M1',
'netName': 'a',
'rect': [540, 4680, 900, 5400],
'netType': 'drawing'
})
c.addWire(m1, None, 1, (8, 1), (9, 3))
new_terminals = c.removeDuplicates(allow_opens=True)
print(new_terminals)
c.join_wires(m1)
new_terminals = c.removeDuplicates(allow_opens=True)
print('new:', new_terminals)
c.computeBbox()
fn = "__json_join_wires_two"
data = {
'bbox': c.bbox.toList(),
'globalRoutes': [],
'globalRouteGrid': [],
'terminals': c.removeDuplicates(allow_opens=True)
}
with open(mydir / (fn + "_cand"), "wt") as fp:
fp.write(json.dumps(data, indent=2) + '\n')
with open(mydir / (fn + "_gold"), "rt") as fp:
data2 = json.load(fp)
assert data == data2
def test_four():
c = Canvas()
c.pdk = {'M1': {'MaxL': None}, 'M2': {'MaxL': 10000}}
m1 = c.addGen(
Wire(nm='m1',
layer='M1',
direction='v',
clg=UncoloredCenterLineGrid(width=400, pitch=720, repeat=2),
spg=EnclosureGrid(pitch=720, stoppoint=360)))
# Below wires on same centerline should not be merged
c.addWire(m1, 'a', 1, (0, 1), (1, 3), netType="blockage")
c.addWire(m1, 'a', 1, (2, 1), (3, 3), netType="blockage")
c.addWire(m1, 'a', 2, (0, 1), (1, 3), netType="drawing")
c.addWire(m1, 'a', 2, (2, 1), (3, 3), netType="pin")
c.addWire(m1, 'a', 4, (0, 1), (1, 3), netType="drawing")
c.addWire(m1, 'a', 4, (2, 1), (3, 3), netType="blockage")
# Below wires on same centerline should be merged
c.addWire(m1, 'a', 3, (0, 1), (1, 3), netType="drawing")
c.addWire(m1, 'a', 3, (2, 1), (3, 3), netType="drawing")
c.addWire(m1, 'a', 5, (0, 1), (1, 3), netType="pin")
c.addWire(m1, 'a', 5, (2, 1), (3, 3), netType="pin")
new_terminals = c.removeDuplicates(allow_opens=True)
print(new_terminals)
c.join_wires(m1)
new_terminals = c.removeDuplicates(allow_opens=True)
print('new:', new_terminals)
c.computeBbox()
fn = "__json_join_wires_four"
data = {
'bbox': c.bbox.toList(),
'globalRoutes': [],
'globalRouteGrid': [],
'terminals': c.removeDuplicates(allow_opens=True)
}
with open(mydir / (fn + "_cand"), "wt") as fp:
fp.write(json.dumps(data, indent=2) + '\n')
with open(mydir / (fn + "_gold"), "rt") as fp:
data2 = json.load(fp)
assert data == data2
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_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_three():
c = Canvas()
c.pdk = {'M1': {'MaxL': 5000}}
m1 = c.addGen(
Wire(nm='m1',
layer='M1',
direction='v',
clg=UncoloredCenterLineGrid(width=400, pitch=720, repeat=2),
spg=EnclosureGrid(pitch=720, stoppoint=360)))
# Below should be merged
c.addWire(m1, 'a', 0, (0, 1), (3, 3))
c.addWire(m1, 'a', 0, (4, 1), (5, 3))
# Below should be merged (but not with above)
c.addWire(m1, 'a', 0, (6, 1), (8, 3))
c.addWire(m1, 'a', 0, (10, 1), (11, 3))
c.addWire(m1, 'b', 0, (12, 1), (13, 3))
c.addWire(m1, 'a', 0, (14, 1), (15, 3))
new_terminals = c.removeDuplicates(allow_opens=True)
print('OLD:', new_terminals)
c.join_wires(m1)
new_terminals = c.removeDuplicates(allow_opens=True)
print('NEW:', new_terminals)
c.computeBbox()
fn = "__json_join_wires_three"
data = {
'bbox': c.bbox.toList(),
'globalRoutes': [],
'globalRouteGrid': [],
'terminals': c.removeDuplicates(allow_opens=True)
}
with open(mydir / (fn + "_cand"), "wt") as fp:
fp.write(json.dumps(data, indent=2) + '\n')
with open(mydir / (fn + "_gold"), "rt") as fp:
data2 = json.load(fp)
assert data == data2
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 test_one():
c = Canvas()
m1 = c.addGen(
Wire(nm='m1',
layer='M1',
direction='v',
clg=UncoloredCenterLineGrid(width=400, pitch=720, repeat=2),
spg=EnclosureGrid(pitch=720, stoppoint=360)))
m2 = c.addGen(
Wire(nm='m2',
layer='M2',
direction='h',
clg=UncoloredCenterLineGrid(width=400, pitch=720, repeat=5),
spg=EnclosureGrid(pitch=720, stoppoint=360)))
v1 = c.addGen(Via(nm='v1', layer='via1', h_clg=m2.clg, v_clg=m1.clg))
for i in [0, 2, 4]:
c.addWire(m1, 'a', None, i, (0, 1), (4, -1))
for i in [1, 3, 5]:
c.addWire(m1, 'b', None, i, (0, 1), (4, -1))
c.addWireAndViaSet('a', None, m2, v1, 2, [0, 2, 4])
c.addWireAndViaSet('b', None, m2, v1, 1, [1, 3, 5])
print(c.terminals)
c.computeBbox()
fn = "__json_via_set"
data = {
'bbox': c.bbox.toList(),
'globalRoutes': [],
'globalRouteGrid': [],
'terminals': c.removeDuplicates()
}
with open(mydir / (fn + "_cand"), "wt") as fp:
fp.write(json.dumps(data, indent=2) + '\n')
with open(mydir / (fn + "_gold"), "rt") as fp:
data2 = json.load(fp)
assert data == data2
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 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()