"""
Test that lldb persistent variables works correctly.
"""

from __future__ import print_function


import lldb
from lldbsuite.test.lldbtest import *


class PersistentVariablesTestCase(TestBase):

    mydir = TestBase.compute_mydir(__file__)

    def test_persistent_variables(self):
        """Test that lldb persistent variables works correctly."""
        self.build()

        self.runCmd("file " + self.getBuildArtifact("a.out"), CURRENT_EXECUTABLE_SET)

        self.runCmd("breakpoint set --source-pattern-regexp break")

        self.runCmd("run", RUN_SUCCEEDED)

        self.runCmd("expression int $i = i")

        self.expect("expression $i == i",
                    startstr="(bool) $0 = true")

        self.expect("expression $i + 1",
                    startstr="(int) $1 = 6")

        self.expect("expression $i + 3",
                    startstr="(int) $2 = 8")

        self.expect("expression $2 + $1",
                    startstr="(int) $3 = 14")

        self.expect("expression $3",
                    startstr="(int) $3 = 14")

        self.expect("expression $2",
                    startstr="(int) $2 = 8")

        self.expect("expression (int)-2",
                    startstr="(int) $4 = -2")

        self.expect("expression $4 > (int)31",
                    startstr="(bool) $5 = false")

        self.expect("expression (long)$4",
                    startstr="(long) $6 = -2")
