279 lines
11 KiB
Python
279 lines
11 KiB
Python
"""
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Test lldb data formatter subsystem.
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"""
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import os, time
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import unittest2
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import lldb
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from lldbtest import *
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class PythonSynthDataFormatterTestCase(TestBase):
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mydir = os.path.join("functionalities", "data-formatter", "data-formatter-python-synth")
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@unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
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@dsym_test
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def test_with_dsym_and_run_command(self):
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"""Test data formatter commands."""
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self.buildDsym()
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self.data_formatter_commands()
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@dwarf_test
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def test_with_dwarf_and_run_command(self):
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"""Test data formatter commands."""
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self.buildDwarf()
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self.data_formatter_commands()
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@unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
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@dsym_test
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def test_rdar10960550_with_dsym_and_run_command(self):
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"""Test data formatter commands."""
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self.buildDsym()
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self.rdar10960550_formatter_commands()
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@dwarf_test
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def test_rdar10960550_with_dwarf_and_run_command(self):
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"""Test data formatter commands."""
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self.buildDwarf()
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self.rdar10960550_formatter_commands()
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def setUp(self):
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# Call super's setUp().
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TestBase.setUp(self)
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# Find the line number to break at.
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self.line = line_number('main.cpp', '// Set break point at this line.')
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self.line2 = line_number('main.cpp', '// Set cast break point at this line.')
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self.line3 = line_number('main.cpp', '// Set second cast break point at this line.')
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def data_formatter_commands(self):
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"""Test using Python synthetic children provider."""
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self.runCmd("file a.out", CURRENT_EXECUTABLE_SET)
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self.expect("breakpoint set -f main.cpp -l %d" % self.line,
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BREAKPOINT_CREATED,
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startstr = "Breakpoint created: 1: file ='main.cpp', line = %d, locations = 1" %
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self.line)
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self.runCmd("run", RUN_SUCCEEDED)
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# The stop reason of the thread should be breakpoint.
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self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
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substrs = ['stopped',
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'stop reason = breakpoint'])
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# This is the function to remove the custom formats in order to have a
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# clean slate for the next test case.
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def cleanup():
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self.runCmd('type format clear', check=False)
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self.runCmd('type summary clear', check=False)
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self.runCmd('type filter clear', check=False)
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self.runCmd('type synth clear', check=False)
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# Execute the cleanup function during test case tear down.
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self.addTearDownHook(cleanup)
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# print the f00_1 variable without a synth
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self.expect("frame variable f00_1",
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substrs = ['a = 0',
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'b = 1',
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'r = 33']);
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# now set up the synth
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self.runCmd("script from fooSynthProvider import *")
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self.runCmd("type synth add -l fooSynthProvider foo")
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# check that we get the two real vars and the fake_a variables
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self.expect("frame variable f00_1",
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substrs = ['r = 33',
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'fake_a = 16777216',
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'a = 0']);
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# check that we do not get the extra vars
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self.expect("frame variable f00_1", matching=False,
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substrs = ['b = 1']);
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# check access to members by name
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self.expect('frame variable f00_1.fake_a',
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substrs = ['16777216'])
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# check access to members by index
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self.expect('frame variable f00_1[1]',
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substrs = ['16777216'])
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# put synthetic children in summary in several combinations
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self.runCmd("type summary add --summary-string \"fake_a=${svar.fake_a}\" foo")
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self.expect('frame variable f00_1',
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substrs = ['fake_a=16777216'])
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self.runCmd("type summary add --summary-string \"fake_a=${svar[1]}\" foo")
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self.expect('frame variable f00_1',
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substrs = ['fake_a=16777216'])
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# clear the summary
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self.runCmd("type summary delete foo")
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# check that the caching does not span beyond the stopoint
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self.runCmd("n")
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self.expect("frame variable f00_1",
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substrs = ['r = 33',
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'fake_a = 16777216',
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'a = 1']);
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# check that altering the object also alters fake_a
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self.runCmd("expr f00_1.a = 280")
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self.expect("frame variable f00_1",
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substrs = ['r = 33',
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'fake_a = 16777217',
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'a = 280']);
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# check that expanding a pointer does the right thing
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self.expect("frame variable -P 1 f00_ptr",
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substrs = ['r = 45',
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'fake_a = 218103808',
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'a = 12'])
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# now add a filter.. it should fail
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self.expect("type filter add foo --child b --child j", error=True,
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substrs = ['cannot add'])
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# we get the synth again..
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self.expect('frame variable f00_1', matching=False,
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substrs = ['b = 1',
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'j = 17'])
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self.expect("frame variable -P 1 f00_ptr",
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substrs = ['r = 45',
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'fake_a = 218103808',
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'a = 12'])
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# now delete the synth and add the filter
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self.runCmd("type synth delete foo")
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self.runCmd("type filter add foo --child b --child j")
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self.expect('frame variable f00_1',
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substrs = ['b = 1',
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'j = 17'])
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self.expect("frame variable -P 1 f00_ptr", matching=False,
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substrs = ['r = 45',
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'fake_a = 218103808',
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'a = 12'])
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# now add the synth and it should fail
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self.expect("type synth add -l fooSynthProvider foo", error=True,
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substrs = ['cannot add'])
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# check the listing
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self.expect('type synth list', matching=False,
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substrs = ['foo',
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'Python class fooSynthProvider'])
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self.expect('type filter list',
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substrs = ['foo',
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'.b',
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'.j'])
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# delete the filter, add the synth
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self.runCmd("type filter delete foo")
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self.runCmd("type synth add -l fooSynthProvider foo")
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self.expect('frame variable f00_1', matching=False,
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substrs = ['b = 1',
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'j = 17'])
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self.expect("frame variable -P 1 f00_ptr",
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substrs = ['r = 45',
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'fake_a = 218103808',
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'a = 12'])
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# check the listing
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self.expect('type synth list',
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substrs = ['foo',
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'Python class fooSynthProvider'])
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self.expect('type filter list', matching=False,
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substrs = ['foo',
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'.b',
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'.j'])
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# delete the synth and check that we get good output
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self.runCmd("type synth delete foo")
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self.expect("frame variable f00_1",
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substrs = ['a = 280',
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'b = 1',
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'j = 17']);
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self.expect("frame variable f00_1", matching=False,
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substrs = ['fake_a = '])
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def rdar10960550_formatter_commands(self):
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"""Test that synthetic children persist stoppoints."""
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self.runCmd("file a.out", CURRENT_EXECUTABLE_SET)
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self.expect("breakpoint set -f main.cpp -l %d" % self.line2,
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BREAKPOINT_CREATED,
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startstr = "Breakpoint created: 1: file ='main.cpp', line = %d, locations = 1" %
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self.line2)
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self.expect("breakpoint set -f main.cpp -l %d" % self.line3,
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BREAKPOINT_CREATED,
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startstr = "Breakpoint created: 2: file ='main.cpp', line = %d, locations = 1" %
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self.line3)
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self.runCmd("run", RUN_SUCCEEDED)
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# The stop reason of the thread should be breakpoint.
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self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
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substrs = ['stopped',
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'stop reason = breakpoint'])
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# This is the function to remove the custom formats in order to have a
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# clean slate for the next test case.
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def cleanup():
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self.runCmd('type format clear', check=False)
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self.runCmd('type summary clear', check=False)
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self.runCmd('type filter clear', check=False)
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self.runCmd('type synth clear', check=False)
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# Execute the cleanup function during test case tear down.
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self.addTearDownHook(cleanup)
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self.runCmd("command script import ./ftsp.py --allow-reload")
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self.runCmd("type synth add -l ftsp.ftsp wrapint")
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# we need to check that the VO is properly updated so that the same synthetic children are reused
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# but their values change correctly across stop-points - in order to do this, self.runCmd("next")
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# does not work because it forces a wipe of the stack frame - this is why we are using this more contrived
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# mechanism to achieve our goal of preserving test_cast as a VO
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test_cast = self.dbg.GetSelectedTarget().GetProcess().GetSelectedThread().GetSelectedFrame().FindVariable('test_cast')
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str_cast = str(test_cast)
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if self.TraceOn():
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print str_cast
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self.assertTrue(str_cast.find('A') != -1, 'could not find A in output')
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self.assertTrue(str_cast.find('B') != -1, 'could not find B in output')
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self.assertTrue(str_cast.find('C') != -1, 'could not find C in output')
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self.assertTrue(str_cast.find('D') != -1, 'could not find D in output')
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self.assertTrue(str_cast.find("4 = '\\0'") != -1, 'could not find item 4 == 0')
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self.dbg.GetSelectedTarget().GetProcess().GetSelectedThread().StepOver()
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str_cast = str(test_cast)
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if self.TraceOn():
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print str_cast
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# we detect that all the values of the child objects have changed - but the counter-generated item
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# is still fixed at 0 because it is cached - this would fail if update(self): in ftsp returned False
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# or if synthetic children were not being preserved
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self.assertTrue(str_cast.find('Q') != -1, 'could not find Q in output')
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self.assertTrue(str_cast.find('X') != -1, 'could not find X in output')
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self.assertTrue(str_cast.find('T') != -1, 'could not find T in output')
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self.assertTrue(str_cast.find('F') != -1, 'could not find F in output')
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self.assertTrue(str_cast.find("4 = '\\0'") != -1, 'could not find item 4 == 0')
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if __name__ == '__main__':
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import atexit
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lldb.SBDebugger.Initialize()
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atexit.register(lambda: lldb.SBDebugger.Terminate())
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unittest2.main()
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