217 lines
8.5 KiB
Python
217 lines
8.5 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 SynthDataFormatterTestCase(TestBase):
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mydir = TestBase.compute_mydir(__file__)
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@skipUnlessDarwin
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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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@expectedFailureAll("llvm.org/pr23139", oslist=["linux"], compiler="gcc", compiler_version=[">=","4.9"], archs=["x86_64","i386"])
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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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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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def data_formatter_commands(self):
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"""Test that that file and class static variables display correctly."""
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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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# Execute the cleanup function during test case tear down.
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self.addTearDownHook(cleanup)
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# Pick some values and check that the basics work
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self.runCmd("type filter add BagOfInts --child x --child z")
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self.expect("frame variable int_bag",
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substrs = ['x = 6',
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'z = 8'])
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# Check we can still access the missing child by summary
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self.runCmd("type summary add BagOfInts --summary-string \"y=${var.y}\"")
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self.expect('frame variable int_bag',
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substrs = ['y=7'])
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# Even if we have synth children, the summary prevails
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self.expect("frame variable int_bag", matching=False,
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substrs = ['x = 6',
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'z = 8'])
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# if we skip synth and summary show y
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self.expect("frame variable int_bag --synthetic-type false --no-summary-depth=1",
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substrs = ['x = 6',
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'y = 7',
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'z = 8'])
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# if we ask for raw output same happens
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self.expect("frame variable int_bag --raw-output",
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substrs = ['x = 6',
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'y = 7',
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'z = 8'])
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# Summary+Synth must work together
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self.runCmd("type summary add BagOfInts --summary-string \"x=${var.x}\" -e")
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self.expect('frame variable int_bag',
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substrs = ['x=6',
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'x = 6',
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'z = 8'])
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# Same output, but using Python
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self.runCmd("type summary add BagOfInts --python-script \"return 'x=%s' % valobj.GetChildMemberWithName('x').GetValue()\" -e")
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self.expect('frame variable int_bag',
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substrs = ['x=6',
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'x = 6',
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'z = 8'])
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# If I skip summaries, still give me the artificial children
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self.expect("frame variable int_bag --no-summary-depth=1",
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substrs = ['x = 6',
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'z = 8'])
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# Delete synth and check that the view reflects it immediately
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self.runCmd("type filter delete BagOfInts")
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self.expect("frame variable int_bag",
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substrs = ['x = 6',
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'y = 7',
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'z = 8'])
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# Add the synth again and check that it's honored deeper in the hierarchy
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self.runCmd("type filter add BagOfInts --child x --child z")
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self.expect('frame variable bag_bag',
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substrs = ['x = x=69 {',
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'x = 69',
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'z = 71',
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'y = x=66 {',
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'x = 66',
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'z = 68'])
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self.expect('frame variable bag_bag', matching=False,
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substrs = ['y = 70',
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'y = 67'])
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# Check that a synth can expand nested stuff
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self.runCmd("type filter add BagOfBags --child x.y --child y.z")
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self.expect('frame variable bag_bag',
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substrs = ['x.y = 70',
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'y.z = 68'])
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# ...even if we get -> and . wrong
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self.runCmd("type filter add BagOfBags --child x.y --child \"y->z\"")
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self.expect('frame variable bag_bag',
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substrs = ['x.y = 70',
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'y->z = 68'])
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# ...even bitfields
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self.runCmd("type filter add BagOfBags --child x.y --child \"y->z[1-2]\"")
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self.expect('frame variable bag_bag --show-types',
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substrs = ['x.y = 70',
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'(int:2) y->z[1-2] = 2'])
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# ...even if we format the bitfields
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self.runCmd("type filter add BagOfBags --child x.y --child \"y->y[0-0]\"")
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self.runCmd("type format add \"int:1\" -f bool")
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self.expect('frame variable bag_bag --show-types',
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substrs = ['x.y = 70',
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'(int:1) y->y[0-0] = true'])
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# ...even if we use one-liner summaries
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self.runCmd("type summary add -c BagOfBags")
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self.expect('frame variable bag_bag',
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substrs = ['(BagOfBags) bag_bag = (x.y = 70, y->y[0-0] = true)'])
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self.runCmd("type summary delete BagOfBags")
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# now check we are dynamic (and arrays work)
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self.runCmd("type filter add Plenty --child bitfield --child array[0] --child array[2]")
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self.expect('frame variable plenty_of_stuff',
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substrs = ['bitfield = 1',
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'array[0] = 5',
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'array[2] = 3'])
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self.runCmd("n")
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self.expect('frame variable plenty_of_stuff',
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substrs = ['bitfield = 17',
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'array[0] = 5',
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'array[2] = 3'])
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# skip synthetic children
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self.expect('frame variable plenty_of_stuff --synthetic-type no',
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substrs = ['some_values = 0x',
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'array = 0x',
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'array_size = 5'])
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# check flat printing with synthetic children
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self.expect('frame variable plenty_of_stuff --flat',
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substrs = ['plenty_of_stuff.bitfield = 17',
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'*(plenty_of_stuff.array) = 5',
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'*(plenty_of_stuff.array) = 3'])
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# check that we do not lose location information for our children
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self.expect('frame variable plenty_of_stuff --location',
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substrs = ['0x',
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': bitfield = 17'])
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# check we work across pointer boundaries
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self.expect('frame variable plenty_of_stuff.some_values --ptr-depth=1',
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substrs = ['(BagOfInts *) plenty_of_stuff.some_values',
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'x = 5',
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'z = 7'])
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# but not if we don't want to
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self.runCmd("type filter add BagOfInts --child x --child z -p")
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self.expect('frame variable plenty_of_stuff.some_values --ptr-depth=1',
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substrs = ['(BagOfInts *) plenty_of_stuff.some_values',
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'x = 5',
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'y = 6',
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'z = 7'])
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# check we're dynamic even if nested
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self.runCmd("type filter add BagOfBags --child x.z")
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self.expect('frame variable bag_bag',
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substrs = ['x.z = 71'])
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self.runCmd("n")
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self.expect('frame variable bag_bag',
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substrs = ['x.z = 12'])
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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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