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"""Test settings and readings of program variables."""
import os, time
import unittest2
import lldb
from lldbtest import *
import lldbutil
class SetValuesTestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
@skipUnlessDarwin
@dsym_test
def test_with_dsym(self):
"""Test settings and readings of program variables."""
self.buildDsym()
self.set_values()
@dwarf_test
@expectedFailureWindows("llvm.org/pr21765")
def test_with_dwarf(self):
"""Test settings and readings of program variables."""
self.buildDwarf()
self.set_values()
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
# Find the line numbers to break inside main().
self.line1 = line_number('main.c', '// Set break point #1.')
self.line2 = line_number('main.c', '// Set break point #2.')
self.line3 = line_number('main.c', '// Set break point #3.')
self.line4 = line_number('main.c', '// Set break point #4.')
self.line5 = line_number('main.c', '// Set break point #5.')
def set_values(self):
"""Test settings and readings of program variables."""
exe = os.path.join(os.getcwd(), "a.out")
self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
# Set breakpoints on several places to set program variables.
lldbutil.run_break_set_by_file_and_line (self, "main.c", self.line1, num_expected_locations=1, loc_exact=True)
lldbutil.run_break_set_by_file_and_line (self, "main.c", self.line2, num_expected_locations=1, loc_exact=True)
lldbutil.run_break_set_by_file_and_line (self, "main.c", self.line3, num_expected_locations=1, loc_exact=True)
lldbutil.run_break_set_by_file_and_line (self, "main.c", self.line4, num_expected_locations=1, loc_exact=True)
lldbutil.run_break_set_by_file_and_line (self, "main.c", self.line5, 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'])
# The breakpoint should have a hit count of 1.
self.expect("breakpoint list -f", BREAKPOINT_HIT_ONCE,
substrs = [' resolved, hit count = 1'])
# main.c:15
# Check that 'frame variable --show-types' displays the correct data type and value.
self.expect("frame variable --show-types", VARIABLES_DISPLAYED_CORRECTLY,
startstr = "(char) i = 'a'")
# Now set variable 'i' and check that it is correctly displayed.
self.runCmd("expression i = 'b'")
self.expect("frame variable --show-types", VARIABLES_DISPLAYED_CORRECTLY,
startstr = "(char) i = 'b'")
self.runCmd("continue")
# main.c:36
# Check that 'frame variable --show-types' displays the correct data type and value.
self.expect("frame variable --show-types", VARIABLES_DISPLAYED_CORRECTLY,
patterns = ["\((short unsigned int|unsigned short)\) i = 33"])
# Now set variable 'i' and check that it is correctly displayed.
self.runCmd("expression i = 333")
self.expect("frame variable --show-types", VARIABLES_DISPLAYED_CORRECTLY,
patterns = ["\((short unsigned int|unsigned short)\) i = 333"])
self.runCmd("continue")
# main.c:57
# Check that 'frame variable --show-types' displays the correct data type and value.
self.expect("frame variable --show-types", VARIABLES_DISPLAYED_CORRECTLY,
startstr = "(long) i = 33")
# Now set variable 'i' and check that it is correctly displayed.
self.runCmd("expression i = 33333")
self.expect("frame variable --show-types", VARIABLES_DISPLAYED_CORRECTLY,
startstr = "(long) i = 33333")
self.runCmd("continue")
# main.c:78
# Check that 'frame variable --show-types' displays the correct data type and value.
self.expect("frame variable --show-types", VARIABLES_DISPLAYED_CORRECTLY,
startstr = "(double) i = 2.25")
# Now set variable 'i' and check that it is correctly displayed.
self.runCmd("expression i = 1.5")
self.expect("frame variable --show-types", VARIABLES_DISPLAYED_CORRECTLY,
startstr = "(double) i = 1.5")
self.runCmd("continue")
# main.c:85
# Check that 'frame variable --show-types' displays the correct data type and value.
self.expect("frame variable --show-types", VARIABLES_DISPLAYED_CORRECTLY,
startstr = "(long double) i = 2.25")
# Now set variable 'i' and check that it is correctly displayed.
self.runCmd("expression i = 1.5")
self.expect("frame variable --show-types", VARIABLES_DISPLAYED_CORRECTLY,
startstr = "(long double) i = 1.5")
if __name__ == '__main__':
import atexit
lldb.SBDebugger.Initialize()
atexit.register(lambda: lldb.SBDebugger.Terminate())
unittest2.main()
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