TestBenchmarkSwiftDictionary.py

# coding=utf-8

# TestBenchmarkSwiftDictionary.py
#
# This source file is part of the Swift.org open source project
#
# Copyright (c) 2014 - 2016 Apple Inc. and the Swift project authors
# Licensed under Apache License v2.0 with Runtime Library Exception
#
# See https://swift.org/LICENSE.txt for license information
# See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
#
# ------------------------------------------------------------------------------

"""
Test lldb data formatter subsystem.
"""

from __future__ importprint_function


importos
importtime
importlldb
fromlldbsuite.test.lldbbenchimport*
importlldbsuite.test.decoratorsasdecorators
importlldbsuite.test.lldbutilaslldbutil


classTestBenchmarkSwiftDictionary(BenchBase):

mydir=TestBase.compute_mydir(__file__)

@decorators.benchmarks_test
deftest_run_command(self):
"""Benchmark the Swift dictionary data formatter"""
self.build()
self.data_formatter_commands()

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

defdata_formatter_commands(self):
"""Benchmark the Swift dictionary data formatter"""
self.runCmd("file "+getBuildArtifact("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.
defcleanup():
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 dict', substrs=['[300]', '300'])
sw.stop()

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