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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 LanguageCategoryUpdatesTestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
# Find the line number to break at.
self.line = line_number('main.cpp', '// break here')
def test_with_run_command(self):
"""Test that LLDB correctly cleans caches when language categories change."""
# This is the function to remove the custom formats in order to have a
# clean slate for the next test case.
def cleanup():
if hasattr(self, 'type_category') and hasattr(self, 'type_specifier'):
self.type_category.DeleteTypeSummary(self.type_specifier)
# Execute the cleanup function during test case tear down.
self.addTearDownHook(cleanup)
self.build()
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'])
self.expect("frame variable", substrs = ['(S)', 'object', '123', '456'], matching=True)
self.type_category = self.dbg.GetCategory(lldb.eLanguageTypeC_plus_plus)
type_summary = lldb.SBTypeSummary.CreateWithSummaryString("this is an object of type S")
self.type_specifier = lldb.SBTypeNameSpecifier('S')
self.type_category.AddTypeSummary(self.type_specifier, type_summary)
self.expect("frame variable", substrs = ['this is an object of type S'], matching=True)
self.type_category.DeleteTypeSummary(self.type_specifier)
self.expect("frame variable", substrs = ['this is an object of type S'], matching=False)
self.expect("frame variable", substrs = ['(S)', 'object', '123', '456'], matching=True)
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