def test_loop(self):
text = "loop 2 {foo; bar}"
exp_result = [
Loop(2, SequentialGateBlock([Gate("foo", []),
Gate("bar", [])]))
]
self.run_test(text, exp_result)
def test_memoize_key_order_independence(self):
"""Test that a memoized interface is independent of its key ordering."""
text = "let a 7; let b 5; register r[10]; foo r[a]; bar r[b]"
iface = MemoizedInterface(text, allow_no_usepulses=True)
let_dict = {"a": 2, "b": 3}
exp_result = [Gate("foo", [("r", 2)]), Gate("bar", [("r", 3)])]
act_result, _ = iface.get_uniformly_timed_gates_and_registers(let_dict)
self.assertEqual(exp_result, act_result)
iface._initial_tree = None # Break things
tel_dict = {"b": 3, "a": 2}
act_result, _ = iface.get_uniformly_timed_gates_and_registers(tel_dict)
self.assertEqual(exp_result, act_result)
def test_nested_loop(self):
"""Test returning a loop within a loop."""
text = "loop 5 { loop 2 { foo} }"
exp_result = [
Loop(
5,
SequentialGateBlock([Loop(2, SequentialGateBlock([Gate("foo", [])])),]),
)
]
let_dict = {}
self.run_test(text, let_dict, exp_result)
def test_nested_blocks(self):
"""Test that parallel and sequential blocks nested within each other are normalized."""
text = "{g0;g1;<p0|p1|p2|{q0;q1}>;g2}"
exp_result = [
Gate("g0", []),
Gate("g1", []),
ParallelGateBlock(
[Gate("p0", []), Gate("p1", []), Gate("p2", []), Gate("q0", []),]
),
Gate("q1", []),
Gate("g2", []),
]
let_dict = {}
self.run_test(text, let_dict, exp_result)
def test_memoize(self):
"""Test that a memoized interface saves its entries."""
text = "let a 7; register r[10]; foo r[a]"
iface = MemoizedInterface(text, allow_no_usepulses=True)
let_dict = {"a": 2}
exp_result = [Gate("foo", [("r", 2)])]
act_result, _ = iface.get_uniformly_timed_gates_and_registers(let_dict)
self.assertEqual(exp_result, act_result)
iface._initial_tree = None # This uses guilty knowledge to break the invariants
with self.assertRaises(Exception):
iface.get_uniformly_timed_gates_and_registers({"a": 11})
# But since the result is cached, this computation should still work
act_result, _ = iface.get_uniformly_timed_gates_and_registers(let_dict)
self.assertEqual(exp_result, act_result)
def test_sequential_block(self):
"""Test that a sequential block is removed at the top level."""
text = "{ a ; b ; c }"
exp_result = [Gate("a", []), Gate("b", []), Gate("c", [])]
let_dict = {}
self.run_test(text, let_dict, exp_result)
def test_macro_argument_shadowing_map(self):
"""Test that a macro argument takes precedence when named the same as a map alias."""
text = "register r[7]; map a r[1]; macro foo a { g a; h 5 }; foo 1"
exp_result = [Gate("g", [1]), Gate("h", [5])]
let_dict = {}
self.run_test(text, let_dict, exp_result)
def test_parallel_block(self):
text = "<foo|bar>"
exp_result = [ParallelGateBlock([Gate("foo", []), Gate("bar", [])])]
self.run_test(text, exp_result)
def test_parallel_block(self):
"""Test returning a parallel block."""
text = "< a | b | c >"
exp_result = [ParallelGateBlock([Gate("a", []), Gate("b", []), Gate("c", [])])]
let_dict = {}
self.run_test(text, let_dict, exp_result)
def test_nested_map_with_let(self):
"""Test multiple map statements that chain and use let statements to choose which qubit to access."""
text = "register r[7]; let x 1; let y 2; map b r[x:]; map a b[::y]; foo a[1]"
exp_result = [Gate("foo", [("r", 3)])]
let_dict = {}
self.run_test(text, let_dict, exp_result)
def test_loop_with_let_count(self):
"""Test a loop whose counter is set with a let statement."""
text = "let n 10; loop n { foo }"
exp_result = [Loop(10, SequentialGateBlock([Gate("foo", [])]))]
let_dict = {}
self.run_test(text, let_dict, exp_result)
def test_one_gate_with_args(self):
text = "register r[6]; foo 1 3.14 r[5]"
exp_result = [Gate("foo", [1, 3.14, ("r", 5)])]
self.run_test(text, exp_result)
def test_single_loop(self):
"""Test returning a loop."""
text = "loop 5 {foo}"
exp_result = [Loop(5, SequentialGateBlock([Gate("foo", [])]))]
let_dict = {}
self.run_test(text, let_dict, exp_result)
def test_simple_map(self):
"""Test remapping the entire qubit register."""
text = "register r[7]; map a r; foo a[1]"
exp_result = [Gate("foo", [("r", 1)])]
let_dict = {}
self.run_test(text, let_dict, exp_result)
def test_map_element(self):
"""Test remapping a single register element."""
text = "register r[7]; map a r[1]; foo a"
exp_result = [Gate("foo", [("r", 1)])]
let_dict = {}
self.run_test(text, let_dict, exp_result)
def test_macro_argument_shadowing_let(self):
"""Test that a macro argument takes precedence when named the same as a let constant."""
text = "let a 15; macro foo a { g a; h 5 }; foo 1"
exp_result = [Gate("g", [1]), Gate("h", [5])]
let_dict = {}
self.run_test(text, let_dict, exp_result)
def test_nested_macros(self):
"""Test expanding a macro nested within another macro."""
text = "macro foo { g }; macro bar { foo }; bar"
exp_result = [Gate("g", [])]
let_dict = {}
self.run_test(text, let_dict, exp_result)
def test_single_gate(self):
text = "register r[7]; foo r[0]"
exp_result = [Gate("foo", [("r", 0)])]
let_dict = {}
self.run_test(text, let_dict, exp_result)
def test_expand_macro(self):
"""Test expanding a macro."""
text = "macro foo a { g a; h 5 }; foo 1"
exp_result = [Gate("g", [1]), Gate("h", [5])]
let_dict = {}
self.run_test(text, let_dict, exp_result)
def test_let_override(self):
"""Test overriding a let value with a dictionary."""
text = "let x 1; foo x"
exp_result = [Gate("foo", [2])]
let_dict = {"x": 2}
self.run_test(text, let_dict, exp_result)
def test_map_slice(self):
"""Test remapping a register with a slice."""
text = "register r[7]; map a r[1:7:2]; foo a[1]"
exp_result = [Gate("foo", [("r", 3)])]
let_dict = {}
self.run_test(text, let_dict, exp_result)
def test_let_substitution_in_macro(self):
"""Test that let values are substituted into the body of a macro."""
text = "let a 1; macro foo { g a; h 5 }; foo"
exp_result = [Gate("g", [1]), Gate("h", [5])]
let_dict = {}
self.run_test(text, let_dict, exp_result)
def test_map_with_let(self):
"""Test a map that uses a let value to determine which index is chosen."""
text = "register r[7]; let x 1; map a r[x]; foo a"
exp_result = [Gate("foo", [("r", 1)])]
let_dict = {}
self.run_test(text, let_dict, exp_result)
def test_one_gate_no_arg(self):
text = "foo"
exp_result = [Gate("foo", [])]
self.run_test(text, exp_result)