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1"""
2Test lldb data formatter subsystem.
3"""
4
5from __future__ import print_function
6
7
8import lldb
9from lldbsuite.test.decorators import *
10from lldbsuite.test.lldbbench import *
11from lldbsuite.test.lldbtest import *
12from lldbsuite.test import lldbutil
13
14
15class TestBenchmarkLibcxxList(BenchBase):
16
17    mydir = TestBase.compute_mydir(__file__)
18
19    @benchmarks_test
20    def test_run_command(self):
21        """Benchmark the std::list data formatter (libc++)"""
22        self.build()
23        self.data_formatter_commands()
24
25    def setUp(self):
26        # Call super's setUp().
27        BenchBase.setUp(self)
28
29    def data_formatter_commands(self):
30        """Benchmark the std::list data formatter (libc++)"""
31        self.runCmd("file " + self.getBuildArtifact("a.out"),
32                    CURRENT_EXECUTABLE_SET)
33
34        bkpt = self.target().FindBreakpointByID(
35            lldbutil.run_break_set_by_source_regexp(
36                self, "break here"))
37
38        self.runCmd("run", RUN_SUCCEEDED)
39
40        # The stop reason of the thread should be breakpoint.
41        self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
42                    substrs=['stopped',
43                             'stop reason = breakpoint'])
44
45        # This is the function to remove the custom formats in order to have a
46        # clean slate for the next test case.
47        def cleanup():
48            self.runCmd('type format clear', check=False)
49            self.runCmd('type summary clear', check=False)
50            self.runCmd('type filter clear', check=False)
51            self.runCmd('type synth clear', check=False)
52            self.runCmd(
53                "settings set target.max-children-count 256",
54                check=False)
55
56        # Execute the cleanup function during test case tear down.
57        self.addTearDownHook(cleanup)
58
59        sw = Stopwatch()
60
61        sw.start()
62        self.expect('frame variable -A list', substrs=['[300]', '300'])
63        sw.stop()
64
65        print("time to print: %s" % (sw))
66