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"""
Test lldb data formatter subsystem.
"""
from __future__ import print_function
import os, time
import lldb
from lldbsuite.test.lldbtest import *
import lldbsuite.test.lldbutil as lldbutil
class ScriptDataFormatterTestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
def test_with_run_command(self):
"""Test data formatter commands."""
self.build()
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)
lldbutil.run_break_set_by_file_and_line (self, "main.cpp", self.line, num_expected_locations=1, loc_exact=True)
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'])
# 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)
# Set the script here to ease the formatting
script = 'a = valobj.GetChildMemberWithName(\'integer\'); a_val = a.GetValue(); str = \'Hello from Python, \' + a_val + \' time\'; return str + (\'!\' if a_val == \'1\' else \'s!\');'
self.runCmd("type summary add i_am_cool --python-script \"%s\"" % script)
self.expect("frame variable one",
substrs = ['Hello from Python',
'1 time!'])
self.expect("frame variable two",
substrs = ['Hello from Python',
'4 times!'])
self.runCmd("n"); # skip ahead to make values change
self.expect("frame variable three",
substrs = ['Hello from Python, 10 times!',
'Hello from Python, 4 times!'])
self.runCmd("n"); # skip ahead to make values change
self.expect("frame variable two",
substrs = ['Hello from Python',
'1 time!'])
script = 'a = valobj.GetChildMemberWithName(\'integer\'); a_val = a.GetValue(); str = \'int says \' + a_val; return str;'
# Check that changes in the script are immediately reflected
self.runCmd("type summary add i_am_cool --python-script \"%s\"" % script)
self.expect("frame variable two",
substrs = ['int says 1'])
self.expect("frame variable twoptr",
substrs = ['int says 1'])
# Change the summary
self.runCmd("type summary add --summary-string \"int says ${var.integer}, and float says ${var.floating}\" i_am_cool")
self.expect("frame variable two",
substrs = ['int says 1',
'and float says 2.71'])
# Try it for pointers
self.expect("frame variable twoptr",
substrs = ['int says 1',
'and float says 2.71'])
# Force a failure for pointers
self.runCmd("type summary add i_am_cool -p --python-script \"%s\"" % script)
self.expect("frame variable twoptr", matching=False,
substrs = ['and float says 2.71'])
script = 'return \'Python summary\'';
self.runCmd("type summary add --name test_summary --python-script \"%s\"" % script)
# attach the Python named summary to someone
self.expect("frame variable one --summary test_summary",
substrs = ['Python summary'])
# should not bind to the type
self.expect("frame variable two", matching=False,
substrs = ['Python summary'])
# and should not stick to the variable
self.expect("frame variable one",matching=False,
substrs = ['Python summary'])
self.runCmd("type summary add i_am_cool --summary-string \"Text summary\"")
# should be temporary only
self.expect("frame variable one",matching=False,
substrs = ['Python summary'])
# use the type summary
self.expect("frame variable two",
substrs = ['Text summary'])
self.runCmd("n"); # skip ahead to make values change
# both should use the type summary now
self.expect("frame variable one",
substrs = ['Text summary'])
self.expect("frame variable two",
substrs = ['Text summary'])
# disable type summary for pointers, and make a Python regex summary
self.runCmd("type summary add i_am_cool -p --summary-string \"Text summary\"")
self.runCmd("type summary add -x cool --python-script \"%s\"" % script)
# variables should stick to the type summary
self.expect("frame variable one",
substrs = ['Text summary'])
self.expect("frame variable two",
substrs = ['Text summary'])
# array and pointer should match the Python one
self.expect("frame variable twoptr",
substrs = ['Python summary'])
self.expect("frame variable array",
substrs = ['Python summary'])
# return pointers to the type summary
self.runCmd("type summary add i_am_cool --summary-string \"Text summary\"")
self.expect("frame variable one",
substrs = ['Text summary'])
self.expect("frame variable two",
substrs = ['Text summary'])
self.expect("frame variable twoptr",
substrs = ['Text summary'])
self.expect("frame variable array",
substrs = ['Python summary'])
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