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"""Check that compiler-generated register values work correctly"""
from __future__ import print_function
import os, time
import lldb
from lldbsuite.test.lldbtest import *
import lldbsuite.test.lldbutil as lldbutil
class RegisterVariableTestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
@expectedFailureAll(oslist=['macosx'], compiler='clang', compiler_version=['<', '7.0.0'], debug_info="dsym")
@expectedFailureClang(None, ['<', '3.5'])
@expectedFailureGcc(None, ['is', '4.8.2'])
def test_and_run_command(self):
"""Test expressions on register values."""
self.build()
exe = os.path.join(os.getcwd(), "a.out")
self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
# Break inside the main.
lldbutil.run_break_set_by_source_regexp(self, "break", num_expected_locations=2)
####################
# First breakpoint
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'])
# Try some variables that should be visible
self.expect("expr a", VARIABLES_DISPLAYED_CORRECTLY,
substrs = ['(int) $0 = 2'])
self.expect("expr b->m1", VARIABLES_DISPLAYED_CORRECTLY,
substrs = ['(int) $1 = 3'])
#####################
# Second breakpoint
self.runCmd("continue")
# 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'])
# Try some variables that should be visible
self.expect("expr b->m2", VARIABLES_DISPLAYED_CORRECTLY,
substrs = ['(int) $2 = 5'])
self.expect("expr c", VARIABLES_DISPLAYED_CORRECTLY,
substrs = ['(int) $3 = 5'])
self.runCmd("kill")
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