llvm-project/lldb/test/lang/c/global_variables/TestGlobalVariables.py

86 lines
3.4 KiB
Python

"""Show global variables and check that they do indeed have global scopes."""
import os, time
import unittest2
import lldb
from lldbtest import *
class GlobalVariablesTestCase(TestBase):
mydir = os.path.join("lang", "c", "global_variables")
@unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
@dsym_test
def test_with_dsym(self):
"""Test 'frame variable -s -a' which omits args and shows scopes."""
self.buildDsym()
self.global_variables()
@dwarf_test
def test_with_dwarf(self):
"""Test 'frame variable -s -a' which omits args and shows scopes."""
self.buildDwarf()
self.global_variables()
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
# Find the line number to break inside main().
self.line = line_number('main.c', '// Set break point at this line.')
def global_variables(self):
"""Test 'frame variable -s -a' which omits args and shows scopes."""
exe = os.path.join(os.getcwd(), "a.out")
self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
# Break inside the main.
self.expect("breakpoint set -f main.c -l %d" % self.line,
BREAKPOINT_CREATED,
startstr = "Breakpoint created: 1: file ='main.c', 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'])
# The breakpoint should have a hit count of 1.
self.expect("breakpoint list -f", BREAKPOINT_HIT_ONCE,
substrs = [' resolved, hit count = 1'])
# Check that GLOBAL scopes are indicated for the variables.
self.expect("frame variable -T -s -g -a", VARIABLES_DISPLAYED_CORRECTLY,
substrs = ['GLOBAL: (int) g_file_global_int = 42',
'GLOBAL: (const char *) g_file_global_cstr',
'"g_file_global_cstr"',
'STATIC: (const char *) g_file_static_cstr',
'"g_file_static_cstr"',
'GLOBAL: (int) g_common_1 = 21'])
# 'frame variable' should support address-of operator.
self.runCmd("frame variable &g_file_global_int")
# Exercise the 'target variable' command to display globals in a.c file.
self.expect("target variable g_a", VARIABLES_DISPLAYED_CORRECTLY,
substrs = ['g_a', '123'])
self.expect("target variable g_marked_spot.x", VARIABLES_DISPLAYED_CORRECTLY,
substrs = ['g_marked_spot.x', '20'])
# rdar://problem/9747668
# runCmd: target variable g_marked_spot.y
# output: (int) g_marked_spot.y = <a.o[0x214] can't be resolved, in not currently loaded.
# >
self.expect("target variable g_marked_spot.y", VARIABLES_DISPLAYED_CORRECTLY,
substrs = ['g_marked_spot.y', '21'])
self.expect("target variable g_marked_spot.y", VARIABLES_DISPLAYED_CORRECTLY, matching=False,
substrs = ["can't be resolved"])
if __name__ == '__main__':
import atexit
lldb.SBDebugger.Initialize()
atexit.register(lambda: lldb.SBDebugger.Terminate())
unittest2.main()