"""
Test that LLDB can emit JIT objects when the appropriate setting is enabled
"""

from __future__ import print_function

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

class SaveJITObjectsTestCase(TestBase):
    mydir = TestBase.compute_mydir(__file__)

    def enumerateJITFiles(self):
        return [f for f in os.listdir(self.getBuildDir()) if f.startswith("jit")]

    def countJITFiles(self):
        return len(self.enumerateJITFiles())

    def cleanJITFiles(self):
        for j in self.enumerateJITFiles():
            os.remove(j)
        return

    @expectedFailureAll(oslist=["windows"])
    def test_save_jit_objects(self):
        self.build()
        os.chdir(self.getBuildDir())
        src_file = "main.c"
        src_file_spec = lldb.SBFileSpec(src_file)

        (target, process, thread, bkpt) = lldbutil.run_to_source_breakpoint(
            self, "break", src_file_spec)

        frame = thread.frames[0]

        self.cleanJITFiles()
        frame.EvaluateExpression("(void*)malloc(0x1)")
        self.assertTrue(self.countJITFiles() == 0,
                        "No files emitted with save-jit-objects=false")

        self.runCmd("settings set target.save-jit-objects true")
        frame.EvaluateExpression("(void*)malloc(0x1)")
        jit_files_count = self.countJITFiles()
        self.cleanJITFiles()
        self.assertTrue(jit_files_count != 0,
                        "At least one file emitted with save-jit-objects=true")

        process.Kill()
        os.chdir(self.getSourceDir())