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path: root/lldb/packages/Python/lldbsuite/test/benchmarks/libcxxmap/TestBenchmarkLibcxxMap.py
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"""
Test lldb data formatter subsystem.
"""

from __future__ import print_function


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


class TestBenchmarkLibcxxMap(BenchBase):

    mydir = TestBase.compute_mydir(__file__)

    @benchmarks_test
    def test_run_command(self):
        """Benchmark the std::map data formatter (libc++)"""
        self.build()
        self.data_formatter_commands()

    def setUp(self):
        # Call super's setUp().
        BenchBase.setUp(self)

    def data_formatter_commands(self):
        """Benchmark the std::map data formatter (libc++)"""
        self.runCmd("file a.out", CURRENT_EXECUTABLE_SET)

        bkpt = self.target().FindBreakpointByID(
            lldbutil.run_break_set_by_source_regexp(
                self, "break here"))

        self.runCmd("run", RUN_SUCCEEDED)

        # The stop reason of the thread should be breakpoint.
        self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
                    substrs=['stopped',
                             'stop reason = breakpoint'])

        # This is the function to remove the custom formats in order to have a
        # clean slate for the next test case.
        def cleanup():
            self.runCmd('type format clear', check=False)
            self.runCmd('type summary clear', check=False)
            self.runCmd('type filter clear', check=False)
            self.runCmd('type synth clear', check=False)
            self.runCmd(
                "settings set target.max-children-count 256",
                check=False)

        # Execute the cleanup function during test case tear down.
        self.addTearDownHook(cleanup)

        sw = Stopwatch()

        sw.start()
        self.expect('frame variable -A map', substrs=['[300]', '300'])
        sw.stop()

        print("time to print: %s" % (sw))
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