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"""
Test lldb data formatter subsystem.
"""
from __future__ import print_function
import os, time
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class StdMapDataFormatterTestCase(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', '// Set break point at this line.')
@expectedFailureAll(compiler="icc", bugnumber="llvm.org/pr15301 LLDB prints incorrect sizes of STL containers")
@skipIfWindows # libstdcpp not ported to Windows
@skipIfFreeBSD
def test_with_run_command(self):
"""Test that that file and class static variables display correctly."""
self.build()
self.runCmd("file a.out", CURRENT_EXECUTABLE_SET)
lldbutil.run_break_set_by_source_regexp (self, "Set break point at this 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'])
# 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)
self.runCmd('type filter clear', check=False)
self.runCmd('type synth clear', check=False)
self.runCmd("settings set target.max-children-count 256", check=False)
# Execute the cleanup function during test case tear down.
self.addTearDownHook(cleanup)
self.runCmd("frame variable ii --show-types")
self.runCmd("type summary add -x \"std::map<\" --summary-string \"map has ${svar%#} items\" -e")
self.expect('frame variable ii',
substrs = ['map has 0 items',
'{}'])
self.runCmd("c");
self.expect('frame variable ii',
substrs = ['map has 2 items',
'[0] = ',
'first = 0',
'second = 0',
'[1] = ',
'first = 1',
'second = 1'])
self.runCmd("c");
self.expect('frame variable ii',
substrs = ['map has 4 items',
'[2] = ',
'first = 2',
'second = 0',
'[3] = ',
'first = 3',
'second = 1'])
self.runCmd("c");
self.expect("frame variable ii",
substrs = ['map has 9 items',
'[5] = ',
'first = 5',
'second = 0',
'[7] = ',
'first = 7',
'second = 1'])
self.expect("p ii",
substrs = ['map has 9 items',
'[5] = ',
'first = 5',
'second = 0',
'[7] = ',
'first = 7',
'second = 1'])
# check access-by-index
self.expect("frame variable ii[0]",
substrs = ['first = 0',
'second = 0']);
self.expect("frame variable ii[3]",
substrs = ['first =',
'second =']);
self.expect("frame variable ii[8]", matching=True,
substrs = ['1234567'])
# check that MightHaveChildren() gets it right
self.assertTrue(self.frame().FindVariable("ii").MightHaveChildren(), "ii.MightHaveChildren() says False for non empty!")
# check that the expression parser does not make use of
# synthetic children instead of running code
# TOT clang has a fix for this, which makes the expression command here succeed
# since this would make the test fail or succeed depending on clang version in use
# this is safer commented for the time being
#self.expect("expression ii[8]", matching=False, error=True,
# substrs = ['1234567'])
self.runCmd("c")
self.expect('frame variable ii',
substrs = ['map has 0 items',
'{}'])
self.runCmd("frame variable si --show-types")
self.expect('frame variable si',
substrs = ['map has 0 items',
'{}'])
self.runCmd("c")
self.expect('frame variable si',
substrs = ['map has 1 items',
'[0] = ',
'first = \"zero\"',
'second = 0'])
self.runCmd("c");
self.expect("frame variable si",
substrs = ['map has 5 items',
'[0] = ',
'first = \"zero\"',
'second = 0',
'[1] = ',
'first = \"one\"',
'second = 1',
'[2] = ',
'first = \"two\"',
'second = 2',
'[3] = ',
'first = \"three\"',
'second = 3',
'[4] = ',
'first = \"four\"',
'second = 4'])
self.expect("p si",
substrs = ['map has 5 items',
'[0] = ',
'first = \"zero\"',
'second = 0',
'[1] = ',
'first = \"one\"',
'second = 1',
'[2] = ',
'first = \"two\"',
'second = 2',
'[3] = ',
'first = \"three\"',
'second = 3',
'[4] = ',
'first = \"four\"',
'second = 4'])
# check access-by-index
self.expect("frame variable si[0]",
substrs = ['first = ', 'four',
'second = 4']);
# check that MightHaveChildren() gets it right
self.assertTrue(self.frame().FindVariable("si").MightHaveChildren(), "si.MightHaveChildren() says False for non empty!")
# check that the expression parser does not make use of
# synthetic children instead of running code
# TOT clang has a fix for this, which makes the expression command here succeed
# since this would make the test fail or succeed depending on clang version in use
# this is safer commented for the time being
#self.expect("expression si[0]", matching=False, error=True,
# substrs = ['first = ', 'zero'])
self.runCmd("c")
self.expect('frame variable si',
substrs = ['map has 0 items',
'{}'])
self.runCmd("frame variable is --show-types")
self.expect('frame variable is',
substrs = ['map has 0 items',
'{}'])
self.runCmd("c");
self.expect("frame variable is",
substrs = ['map has 4 items',
'[0] = ',
'second = \"goofy\"',
'first = 85',
'[1] = ',
'second = \"is\"',
'first = 1',
'[2] = ',
'second = \"smart\"',
'first = 2',
'[3] = ',
'second = \"!!!\"',
'first = 3'])
self.expect("p is",
substrs = ['map has 4 items',
'[0] = ',
'second = \"goofy\"',
'first = 85',
'[1] = ',
'second = \"is\"',
'first = 1',
'[2] = ',
'second = \"smart\"',
'first = 2',
'[3] = ',
'second = \"!!!\"',
'first = 3'])
# check access-by-index
self.expect("frame variable is[0]",
substrs = ['first = ',
'second =']);
# check that MightHaveChildren() gets it right
self.assertTrue(self.frame().FindVariable("is").MightHaveChildren(), "is.MightHaveChildren() says False for non empty!")
# check that the expression parser does not make use of
# synthetic children instead of running code
# TOT clang has a fix for this, which makes the expression command here succeed
# since this would make the test fail or succeed depending on clang version in use
# this is safer commented for the time being
#self.expect("expression is[0]", matching=False, error=True,
# substrs = ['first = ', 'goofy'])
self.runCmd("c")
self.expect('frame variable is',
substrs = ['map has 0 items',
'{}'])
self.runCmd("frame variable ss --show-types")
self.expect('frame variable ss',
substrs = ['map has 0 items',
'{}'])
self.runCmd("c");
self.expect("frame variable ss",
substrs = ['map has 4 items',
'[0] = ',
'second = \"hello\"',
'first = \"ciao\"',
'[1] = ',
'second = \"house\"',
'first = \"casa\"',
'[2] = ',
'second = \"cat\"',
'first = \"gatto\"',
'[3] = ',
'second = \"..is always a Mac!\"',
'first = \"a Mac..\"'])
self.expect("p ss",
substrs = ['map has 4 items',
'[0] = ',
'second = \"hello\"',
'first = \"ciao\"',
'[1] = ',
'second = \"house\"',
'first = \"casa\"',
'[2] = ',
'second = \"cat\"',
'first = \"gatto\"',
'[3] = ',
'second = \"..is always a Mac!\"',
'first = \"a Mac..\"'])
# check access-by-index
self.expect("frame variable ss[3]",
substrs = ['gatto', 'cat']);
# check that MightHaveChildren() gets it right
self.assertTrue(self.frame().FindVariable("ss").MightHaveChildren(), "ss.MightHaveChildren() says False for non empty!")
# check that the expression parser does not make use of
# synthetic children instead of running code
# TOT clang has a fix for this, which makes the expression command here succeed
# since this would make the test fail or succeed depending on clang version in use
# this is safer commented for the time being
#self.expect("expression ss[3]", matching=False, error=True,
# substrs = ['gatto'])
self.runCmd("c")
self.expect('frame variable ss',
substrs = ['map has 0 items',
'{}'])
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