4570d3eba0
This has led to many test suite failures because of copy and paste where new test cases were based off of other test cases and the "mydir" variable wasn't updated. Now you can call your superclasses "compute_mydir()" function with "__file__" as the sole argument and the relative path will be computed for you. llvm-svn: 196985
272 lines
11 KiB
Python
272 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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import lldbutil
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class PythonSynthDataFormatterTestCase(TestBase):
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mydir = TestBase.compute_mydir(__file__)
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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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lldbutil.run_break_set_by_file_and_line (self, "main.cpp", self.line, num_expected_locations=1, loc_exact=True)
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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 --ptr-depth 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 --ptr-depth 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 --ptr-depth 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 --ptr-depth 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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# The second breakpoint is on a multi-line expression, so the comment can't be on the right line...
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lldbutil.run_break_set_by_file_and_line (self, "main.cpp", self.line2, num_expected_locations=1, loc_exact=False)
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lldbutil.run_break_set_by_file_and_line (self, "main.cpp", self.line3, num_expected_locations=1, loc_exact=True)
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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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