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"""Show local variables and check that they can be inspected.
This test was added after we made a change in clang to normalize
DW_OP_constu(X < 32) to DW_OP_litX which broke the debugger because
it didn't read the value as an unsigned.
"""
from __future__ import print_function
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class LocalVariablesTestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
# Find the line number to break inside main().
self.source = 'main.c'
self.line = line_number(
self.source, '// Set break point at this line.')
def test_c_local_variables(self):
"""Test local variable value."""
self.build()
# Create a target by the debugger.
target = self.dbg.CreateTarget(self.getBuildArtifact("a.out"))
self.assertTrue(target, VALID_TARGET)
# Break inside the main.
lldbutil.run_break_set_by_file_and_line(
self, self.source, self.line, num_expected_locations=1, loc_exact=True)
# Now launch the process, and do not stop at entry point.
process = target.LaunchSimple(
None, None, self.get_process_working_directory())
self.assertTrue(process, PROCESS_IS_VALID)
# 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'])
self.expect("frame variable i", VARIABLES_DISPLAYED_CORRECTLY,
substrs=['(unsigned int) i = 10'])
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