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| """
Test lldb data formatter subsystem.
"""
from __future__ import print_function
import lldb
from lldbsuite.test.lldbtest import *
import lldbsuite.test.lldbutil as lldbutil
class AdvDataFormatterTestCase(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.')
def test_with_run_command(self):
"""Test that that file and class static variables display correctly."""
self.build()
self.runCmd("file " + self.getBuildArtifact("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)
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("type summary add --summary-string \"pippo\" \"i_am_cool\"")
self.runCmd(
"type summary add --summary-string \"pluto\" -x \"i_am_cool[a-z]*\"")
self.expect("frame variable cool_boy",
substrs=['pippo'])
self.expect("frame variable cooler_boy",
substrs=['pluto'])
self.runCmd("type summary delete i_am_cool")
self.expect("frame variable cool_boy",
substrs=['pluto'])
self.runCmd("type summary clear")
self.runCmd(
"type summary add --summary-string \"${var[]}\" -x \"int \\[[0-9]\\]")
self.expect("frame variable int_array",
substrs=['1,2,3,4,5'])
# this will fail if we don't do [] as regex correctly
self.runCmd(
'type summary add --summary-string "${var[].integer}" "i_am_cool[]')
self.expect("frame variable cool_array",
substrs=['1,1,1,1,6'])
self.runCmd("type summary clear")
self.runCmd(
"type summary add --summary-string \"${var[1-0]%x}\" \"int\"")
self.expect("frame variable iAmInt",
substrs=['01'])
self.runCmd(
"type summary add --summary-string \"${var[0-1]%x}\" \"int\"")
self.expect("frame variable iAmInt",
substrs=['01'])
self.runCmd("type summary clear")
self.runCmd("type summary add --summary-string \"${var[0-1]%x}\" int")
self.runCmd(
"type summary add --summary-string \"${var[0-31]%x}\" float")
self.expect("frame variable *pointer",
substrs=['0x',
'2'])
# check fix for <rdar://problem/11338654> LLDB crashes when using a
# "type summary" that uses bitfields with no format
self.runCmd("type summary add --summary-string \"${var[0-1]}\" int")
self.expect("frame variable iAmInt",
substrs=['9 1'])
self.expect("frame variable cool_array[3].floating",
substrs=['0x'])
self.runCmd(
"type summary add --summary-string \"low bits are ${*var[0-1]} tgt is ${*var}\" \"int *\"")
self.expect("frame variable pointer",
substrs=['low bits are',
'tgt is 6'])
self.expect(
"frame variable int_array --summary-string \"${*var[0-1]}\"",
substrs=['3'])
self.runCmd("type summary clear")
self.runCmd(
'type summary add --summary-string \"${var[0-1]}\" -x \"int \[[0-9]\]\"')
self.expect("frame variable int_array",
substrs=['1,2'])
self.runCmd(
'type summary add --summary-string \"${var[0-1]}\" "int []"')
self.expect("frame variable int_array",
substrs=['1,2'])
# Test the patterns are matched in reverse-chronological order.
self.runCmd(
'type summary add --summary-string \"${var[2-3]}\" "int []"')
self.expect("frame variable int_array",
substrs=['3,4'])
self.runCmd("type summary clear")
self.runCmd("type summary add -c -x \"i_am_cool \[[0-9]\]\"")
self.runCmd("type summary add -c i_am_cool")
self.expect("frame variable cool_array",
substrs=['[0]',
'[1]',
'[2]',
'[3]',
'[4]',
'integer',
'character',
'floating'])
self.runCmd(
"type summary add --summary-string \"int = ${*var.int_pointer}, float = ${*var.float_pointer}\" IWrapPointers")
self.expect("frame variable wrapper",
substrs=['int = 4',
'float = 1.1'])
self.runCmd(
"type summary add --summary-string \"low bits = ${*var.int_pointer[2]}\" IWrapPointers -p")
self.expect("frame variable wrapper",
substrs=['low bits = 1'])
self.expect("frame variable *wrap_pointer",
substrs=['low bits = 1'])
self.runCmd("type summary clear")
self.expect(
"frame variable int_array --summary-string \"${var[0][0-2]%hex}\"",
substrs=[
'0x',
'7'])
self.runCmd("type summary clear")
self.runCmd(
"type summary add --summary-string \"${*var[].x[0-3]%hex} is a bitfield on a set of integers\" -x \"SimpleWithPointers \[[0-9]\]\"")
self.expect(
"frame variable couple --summary-string \"${*var.sp.x[0-2]} are low bits of integer ${*var.sp.x}. If I pretend it is an array I get ${var.sp.x[0-5]}\"",
substrs=[
'1 are low bits of integer 9.',
'If I pretend it is an array I get [9,'])
# if the summary has an error, we still display the value
self.expect(
"frame variable couple --summary-string \"${*var.sp.foo[0-2]\"",
substrs=[
'(Couple) couple = {',
'x = 0x',
'y = 0x',
'z = 0x',
's = 0x'])
self.runCmd(
"type summary add --summary-string \"${*var.sp.x[0-2]} are low bits of integer ${*var.sp.x}. If I pretend it is an array I get ${var.sp.x[0-5]}\" Couple")
self.expect("frame variable sparray",
substrs=['[0x0000000f,0x0000000c,0x00000009]'])
# check that we can format a variable in a summary even if a format is
# defined for its datatype
self.runCmd("type format add -f hex int")
self.runCmd(
"type summary add --summary-string \"x=${var.x%d}\" Simple")
self.expect("frame variable a_simple_object",
substrs=['x=3'])
self.expect("frame variable a_simple_object", matching=False,
substrs=['0x0'])
# now check that the default is applied if we do not hand out a format
self.runCmd("type summary add --summary-string \"x=${var.x}\" Simple")
self.expect("frame variable a_simple_object", matching=False,
substrs=['x=3'])
self.expect("frame variable a_simple_object", matching=True,
substrs=['x=0x00000003'])
# check that we can correctly cap the number of children shown
self.runCmd("settings set target.max-children-count 5")
self.expect('frame variable a_long_guy', matching=True,
substrs=['a_1',
'b_1',
'c_1',
'd_1',
'e_1',
'...'])
# check that no further stuff is printed (not ALL values are checked!)
self.expect('frame variable a_long_guy', matching=False,
substrs=['f_1',
'g_1',
'h_1',
'i_1',
'j_1',
'q_1',
'a_2',
'f_2',
't_2',
'w_2'])
self.runCmd("settings set target.max-children-count 1")
self.expect('frame variable a_long_guy', matching=True,
substrs=['a_1',
'...'])
self.expect('frame variable a_long_guy', matching=False,
substrs=['b_1',
'c_1',
'd_1',
'e_1'])
self.expect('frame variable a_long_guy', matching=False,
substrs=['f_1',
'g_1',
'h_1',
'i_1',
'j_1',
'q_1',
'a_2',
'f_2',
't_2',
'w_2'])
self.runCmd("settings set target.max-children-count 30")
self.expect('frame variable a_long_guy', matching=True,
substrs=['a_1',
'b_1',
'c_1',
'd_1',
'e_1',
'z_1',
'a_2',
'b_2',
'c_2',
'd_2',
'...'])
self.expect('frame variable a_long_guy', matching=False,
substrs=['e_2',
'n_2',
'r_2',
'i_2',
'k_2',
'o_2'])
# override the cap
self.expect(
'frame variable a_long_guy --show-all-children',
matching=True,
substrs=[
'a_1',
'b_1',
'c_1',
'd_1',
'e_1',
'z_1',
'a_2',
'b_2',
'c_2',
'd_2'])
self.expect(
'frame variable a_long_guy --show-all-children',
matching=True,
substrs=[
'e_2',
'n_2',
'r_2',
'i_2',
'k_2',
'o_2'])
self.expect(
'frame variable a_long_guy --show-all-children',
matching=False,
substrs=['...'])
|