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"""
Test lldb data formatter subsystem.
"""
import os, time
import unittest2
import lldb
from lldbtest import *
class DataFormatterTestCase(TestBase):
mydir = os.path.join("functionalities", "data-formatter", "data-formatter-cpp")
@unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
def test_with_dsym_and_run_command(self):
"""Test data formatter commands."""
self.buildDsym()
self.data_formatter_commands()
def test_with_dwarf_and_run_command(self):
"""Test data formatter commands."""
self.buildDwarf()
self.data_formatter_commands()
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
# Find the line number to break at.
self.line = line_number('main.cpp', '// Set break point at this line.')
def data_formatter_commands(self):
"""Test that that file and class static variables display correctly."""
self.runCmd("file a.out", CURRENT_EXECUTABLE_SET)
self.expect("breakpoint set -f main.cpp -l %d" % self.line,
BREAKPOINT_CREATED,
startstr = "Breakpoint created: 1: file ='main.cpp', line = %d, locations = 1" %
self.line)
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'])
self.expect("frame variable",
substrs = ['(Speed) SPILookHex = 5.55' # Speed by default is 5.55.
]);
# This is the function to remove the custom formats in order to have a
# clean slate for the next test case.
def cleanup():
self.runCmd('type format clear', check=False)
self.runCmd('type summary clear', check=False)
# Execute the cleanup function during test case tear down.
self.addTearDownHook(cleanup)
self.runCmd("type format add -C yes -f x Speed BitField")
self.runCmd("type format add -C no -f c RealNumber")
self.runCmd("type format add -C no -f x Type2")
self.runCmd("type format add -C yes -f c Type1")
# The type format list should show our custom formats.
self.expect("type format list",
substrs = ['RealNumber',
'Speed',
'BitField',
'Type1',
'Type2'])
self.expect("frame variable",
patterns = ['\(Speed\) SPILookHex = 0x[0-9a-f]+' # Speed should look hex-ish now.
]);
# gcc4.2 on Mac OS X skips typedef chains in the DWARF output
if self.getCompiler() in ['clang', 'llvm-gcc']:
self.expect("frame variable",
patterns = ['\(SignalMask\) SMILookHex = 0x[0-9a-f]+' # SignalMask should look hex-ish now.
]);
self.expect("frame variable", matching=False,
patterns = ['\(Type4\) T4ILookChar = 0x[0-9a-f]+' # Type4 should NOT look hex-ish now.
]);
# Now let's delete the 'Speed' custom format.
self.runCmd("type format delete Speed")
# The type format list should not show 'Speed' at this point.
self.expect("type format list", matching=False,
substrs = ['Speed'])
# Delete type format for 'Speed', we should expect an error message.
self.expect("type format delete Speed", error=True,
substrs = ['no custom format for Speed'])
self.runCmd("type summary add -f \"arr = ${var%s}\" -x \"char \\[[0-9]+\\]\" -v")
self.expect("frame variable strarr",
substrs = ['arr = "Hello world!\\0\\0\\0\\0\\0\\0\\0\\0\\0\\0\\0\\0\\0\\0\\0\\0\\0\\0\\0\\0"'])
self.runCmd("type summary clear")
self.runCmd("type summary add -f \"ptr = ${var%s}\" \"char *\" -v")
self.expect("frame variable strptr",
substrs = ['ptr = "Hello world!"'])
self.runCmd("type summary add -f \"arr = ${var%s}\" -x \"char \\[[0-9]+\\]\" -v")
self.expect("frame variable strarr",
substrs = ['arr = "Hello world!\\0\\0\\0\\0\\0\\0\\0\\0\\0\\0\\0\\0\\0\\0\\0\\0\\0\\0\\0\\0"'])
self.expect("frame variable strptr",
substrs = ['ptr = "Hello world!"'])
self.runCmd("type summary add -c Point")
self.expect("frame variable iAmSomewhere",
substrs = ['x=4',
'y=6'])
self.expect("type summary list",
substrs = ['Point',
'one-line'])
self.runCmd("type summary add -f \"y=${var.y%x}\" Point")
self.expect("frame variable iAmSomewhere",
substrs = ['y=0x'])
self.runCmd("type summary add -f \"y=${var.y},x=${var.x}\" Point")
self.expect("frame variable iAmSomewhere",
substrs = ['y=6',
'x=4'])
self.runCmd("type summary add -f \"hello\" Point -e")
self.expect("type summary list",
substrs = ['Point',
'show children'])
self.expect("frame variable iAmSomewhere",
substrs = ['hello',
'x = 4',
'}'])
self.runCmd("type summary add -f \"Sign: ${var[31]%B} Exponent: ${var[23-30]%x} Mantissa: ${var[0-22]%u}\" ShowMyGuts")
self.expect("frame variable cool_pointer->floating",
substrs = ['Sign: true',
'Exponent: 0x',
'80'])
self.runCmd("type summary add -f \"a test\" i_am_cool")
self.expect("frame variable cool_pointer",
substrs = ['a test'])
self.runCmd("type summary add -f \"a test\" i_am_cool --skip-pointers")
self.expect("frame variable cool_pointer",
substrs = ['a test'],
matching = False)
self.runCmd("type summary add -f \"${var[1-3]}\" \"int [5]\"")
self.expect("frame variable int_array",
substrs = ['2',
'3',
'4'])
self.runCmd("type summary clear")
self.runCmd("type summary add -f \"${var[0-2].integer}\" \"i_am_cool *\"")
self.runCmd("type summary add -f \"${var[2-4].integer}\" \"i_am_cool [5]\"")
self.expect("frame variable cool_array",
substrs = ['1,1,6'])
self.expect("frame variable cool_pointer",
substrs = ['3,0,0'])
if __name__ == '__main__':
import atexit
lldb.SBDebugger.Initialize()
atexit.register(lambda: lldb.SBDebugger.Terminate())
unittest2.main()
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