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Currently TestDataFormatterPythonSynth is failing because of an issue with children capping. Splitting the test case in two so we better isolate the issue and also for better logical separation 

llvm-svn: 151966
This commit is contained in:
Enrico Granata 2012-03-03 03:13:03 +00:00
parent 133e0fb3c6
commit 89fd064582
5 changed files with 182 additions and 25 deletions
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25
lldb/test/functionalities/data-formatter/data-formatter-python-synth/TestDataFormatterPythonSynth.py
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@ -11,16 +11,12 @@ class PythonSynthDataFormatterTestCase(TestBase):
mydir = os.path.join("functionalities", "data-formatter", "data-formatter-python-synth")
# rdar://problem/10887661
@unittest2.expectedFailure
@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()
# rdar://problem/10887661
@unittest2.expectedFailure
def test_with_dwarf_and_run_command(self):
"""Test data formatter commands."""
self.buildDwarf()
@ -55,7 +51,6 @@ class PythonSynthDataFormatterTestCase(TestBase):
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)
@ -92,12 +87,6 @@ class PythonSynthDataFormatterTestCase(TestBase):
self.runCmd("type summary add --summary-string \"fake_a=${svar.fake_a}\" foo")
self.expect('frame variable f00_1',
substrs = ['fake_a=16777216'])
#self.runCmd("type summary add --summary-string \"fake_a=${var.fake_a}\" foo")
#self.expect('frame variable f00_1',
# substrs = ['fake_a=16777216'])
#self.runCmd("type summary add --summary-string \"fake_a=${var[1]}\" foo")
#self.expect('frame variable f00_1',
# substrs = ['fake_a=16777216'])
self.runCmd("type summary add --summary-string \"fake_a=${svar[1]}\" foo")
self.expect('frame variable f00_1',
substrs = ['fake_a=16777216'])
@ -120,20 +109,6 @@ class PythonSynthDataFormatterTestCase(TestBase):
'fake_a = 16777217',
'a = 280']);
# check that capping works for synthetic children as well
self.runCmd("settings set target.max-children-count 2", check=False)
self.expect("frame variable f00_1",
substrs = ['...',
'fake_a = 16777217',
'a = 280']);
self.expect("frame variable f00_1", matching=False,
substrs = ['r = 33']);
self.runCmd("settings set target.max-children-count 256", check=False)
# check that expanding a pointer does the right thing
self.expect("frame variable -P 1 f00_ptr",
substrs = ['r = 45',

5
lldb/test/functionalities/data-formatter/rdar-10887661/Makefile Normal file
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@ -0,0 +1,5 @@
LEVEL = ../../../make
CXX_SOURCES := main.cpp
include $(LEVEL)/Makefile.rules

94
lldb/test/functionalities/data-formatter/rdar-10887661/TestRdar10887661.py Normal file
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@ -0,0 +1,94 @@
"""
Check for an issue where capping does not work because the Target pointer appears to be changing behind our backs
"""
import os, time
import unittest2
import lldb
from lldbtest import *
class Rdar10887661TestCase(TestBase):
mydir = os.path.join("functionalities", "data-formatter", "rdar-10887661")
# rdar://problem/10887661
@unittest2.expectedFailure
@unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
def test_with_dsym_and_run_command(self):
"""Check for an issue where capping does not work because the Target pointer appears to be changing behind our backs."""
self.buildDsym()
self.capping_test_commands()
# rdar://problem/10887661
@unittest2.expectedFailure
def test_with_dwarf_and_run_command(self):
"""Check for an issue where capping does not work because the Target pointer appears to be changing behind our backs."""
self.buildDwarf()
self.capping_test_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 capping_test_commands(self):
"""Check for an issue where capping does not work because the Target pointer appears to be changing behind our backs."""
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'])
# 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)
# set up the synthetic children provider
self.runCmd("script from fooSynthProvider import *")
self.runCmd("type synth add -l fooSynthProvider foo")
# check that the synthetic children work, so we know we are doing the right thing
self.expect("frame variable f00_1",
substrs = ['r = 33',
'fake_a = 16777216',
'a = 0']);
# check that capping works
self.runCmd("settings set target.max-children-count 2", check=False)
self.expect("frame variable f00_1",
substrs = ['...',
'fake_a = 16777217',
'a = 280']);
self.expect("frame variable f00_1", matching=False,
substrs = ['r = 33']);
self.runCmd("settings set target.max-children-count 256", check=False)
self.expect("frame variable f00_1", matching=True,
substrs = ['r = 33']);
if __name__ == '__main__':
import atexit
lldb.SBDebugger.Initialize()
atexit.register(lambda: lldb.SBDebugger.Terminate())
unittest2.main()

21
lldb/test/functionalities/data-formatter/rdar-10887661/fooSynthProvider.py Normal file
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@ -0,0 +1,21 @@
import lldb
class fooSynthProvider:
def __init__(self, valobj, dict):
self.valobj = valobj;
self.int_type = valobj.GetType().GetBasicType(lldb.eBasicTypeInt)
def num_children(self):
return 3;
def get_child_at_index(self, index):
if index == 0:
child = self.valobj.GetChildMemberWithName('a');
if index == 1:
child = self.valobj.CreateChildAtOffset ('fake_a', 1, self.int_type);
if index == 2:
child = self.valobj.GetChildMemberWithName('r');
return child;
def get_child_index(self, name):
if name == 'a':
return 0;
if name == 'fake_a':
return 1;
return 2;

62
lldb/test/functionalities/data-formatter/rdar-10887661/main.cpp Normal file
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@ -0,0 +1,62 @@
struct foo
{
int a;
int b;
int c;
int d;
int e;
int f;
int g;
int h;
int i;
int j;
int k;
int l;
int m;
int n;
int o;
int p;
int q;
int r;
foo(int X) :
a(X),
b(X+1),
c(X+3),
d(X+5),
e(X+7),
f(X+9),
g(X+11),
h(X+13),
i(X+15),
j(X+17),
k(X+19),
l(X+21),
m(X+23),
n(X+25),
o(X+27),
p(X+29),
q(X+31),
r(X+33) {}
};
struct wrapint
{
int x;
wrapint(int X) : x(X) {}
};
int main()
{
foo f00_1(0);
foo *f00_ptr = new foo(12);
f00_1.a++; // Set break point at this line.
wrapint test_cast('A' +
256*'B' +
256*256*'C'+
256*256*256*'D');
return 0;
}