change: Add test to check classical indices used in measurement are p…

…reserved between Circuit and OpenQASM Translations. (#1013)

setup.py

@@ -28,7 +28,7 @@
     package_dir={"": "src"},
     install_requires=[
         "amazon-braket-schemas>=1.21.3",
-        "amazon-braket-default-simulator>=1.21.4",
+        "amazon-braket-default-simulator>=1.25.0",
         "oqpy~=0.3.5",
         "backoff",
         "boltons",

test/unit_tests/braket/circuits/test_circuit.py

@@ -3610,3 +3610,32 @@ def test_circuit_with_global_phase():
             "b[0] = measure $0;",
         ]
     )
+
+
+def test_from_ir_round_trip_transformation_with_targeted_measurements():
+    circuit = (
+        Circuit()
+        .h(0)
+        .cnot(0, 1)
+        .add_instruction(Instruction(Measure(index=2), 1))
+        .add_instruction(Instruction(Measure(index=1), 2))
+        .add_instruction(Instruction(Measure(index=0), 0))
+    )
+    ir = OpenQasmProgram(
+        source="\n".join(
+            [
+                "OPENQASM 3.0;",
+                "bit[3] b;",
+                "qubit[3] q;",
+                "h q[0];",
+                "cnot q[0], q[1];",
+                "b[2] = measure q[1];",
+                "b[1] = measure q[2];",
+                "b[0] = measure q[0];",
+            ]
+        ),
+        inputs={},
+    )
+
+    assert Circuit.from_ir(ir) == Circuit.from_ir(circuit.to_ir("OPENQASM"))
+    assert circuit.to_ir("OPENQASM") == Circuit.from_ir(ir).to_ir("OPENQASM")