llvm/lldb/test/API/commands/expression/dollar-in-variable/TestDollarInVariable.py

import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil


class TestCase(TestBase):
    def test(self):
        self.build()
        lldbutil.run_to_source_breakpoint(
            self, "// break here", lldb.SBFileSpec("main.c")
        )

        self.expect_expr("$__lldb_expr_result", result_type="int", result_value="11")
        self.expect_expr("$foo", result_type="int", result_value="12")
        self.expect_expr("$R0", result_type="int", result_value="13")
        self.expect(
            "expr int $foo = 123", error=True, substrs=["declaration conflicts"]
        )
        self.expect_expr("$0", result_type="int", result_value="11")